wip [FIX] parser: account for CR/LF text nodes

# v2.0.0-beta-12

- fix: compiler: properly handle t-set in t-if with no content

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@odoo/owl",
-  "version": "2.0.0-beta-10",
+  "version": "2.0.0-beta-12",
   "description": "Odoo Web Library (OWL)",
   "main": "dist/owl.cjs.js",
   "browser": "dist/owl.iife.js",

src/compiler/code_generator.ts

@@ -143,7 +143,7 @@ interface Context {
   ctxVar?: string;
 }
 
-function createContext(parentCtx: Context, params?: Partial<Context>) {
+function createContext(parentCtx: Context, params?: Partial<Context>): Context {
   return Object.assign(
     {
       block: null,
@@ -265,10 +265,7 @@ export class CodeGenerator {
       tKeyExpr: null,
     });
     // define blocks and utility functions
-    let mainCode = [
-      `  "use strict";`,
-      `let { text, createBlock, list, multi, html, toggler, comment } = bdom;`,
-    ];
+    let mainCode = [`  let { text, createBlock, list, multi, html, toggler, comment } = bdom;`];
     if (this.helpers.size) {
       mainCode.push(`let { ${[...this.helpers].join(", ")} } = helpers;`);
     }
@@ -337,8 +334,8 @@ export class CodeGenerator {
     this.addLine(`const ${varName} = ${expr};`);
   }
 
-  insertAnchor(block: BlockDescription) {
-    const tag = `block-child-${block.children.length}`;
+  insertAnchor(block: BlockDescription, index: number = block.children.length) {
+    const tag = `block-child-${index}`;
     const anchor = xmlDoc.createElement(tag);
     block.insert(anchor);
   }
@@ -695,7 +692,7 @@ export class CodeGenerator {
       const children = ast.content;
       for (let i = 0; i < children.length; i++) {
         const child = ast.content[i];
-        const subCtx: Context = createContext(ctx, {
+        const subCtx = createContext(ctx, {
           block,
           index: block!.childNumber,
           forceNewBlock: false,
@@ -757,21 +754,37 @@ export class CodeGenerator {
       this.insertAnchor(block);
     }
     block = this.createBlock(block, "html", ctx);
-    this.helpers.add(ast.expr === "0" ? "zero" : "safeOutput");
-    let expr = ast.expr === "0" ? "ctx[zero]" : `safeOutput(${compileExpr(ast.expr)})`;
-    if (ast.body) {
-      const nextId = BlockDescription.nextBlockId;
-      const subCtx: Context = createContext(ctx);
+    let blockStr;
+    if (ast.expr === "0") {
+      this.helpers.add("zero");
+      blockStr = `ctx[zero]`;
+    } else if (ast.body) {
+      let bodyValue = null;
+      bodyValue = BlockDescription.nextBlockId;
+      const subCtx = createContext(ctx);
       this.compileAST({ type: ASTType.Multi, content: ast.body }, subCtx);
-      this.helpers.add("withDefault");
-      expr = `withDefault(${expr}, b${nextId})`;
+      this.helpers.add("safeOutput");
+      blockStr = `safeOutput(${compileExpr(ast.expr)}, b${bodyValue})`;
+    } else {
+      this.helpers.add("safeOutput");
+      blockStr = `safeOutput(${compileExpr(ast.expr)})`;
     }
-    this.insertBlock(`${expr}`, block, ctx);
+    this.insertBlock(blockStr, block, ctx);
+  }
+
+  compileTIfBranch(content: AST, block: BlockDescription, ctx: Context) {
+    this.target.indentLevel++;
+    let childN = block.children.length;
+    this.compileAST(content, createContext(ctx, { block, index: ctx.index }));
+    if (block.children.length > childN) {
+      // we have some content => need to insert an anchor at correct index
+      this.insertAnchor(block!, childN);
+    }
+    this.target.indentLevel--;
   }
 
   compileTIf(ast: ASTTif, ctx: Context, nextNode?: ASTDomNode) {
-    let { block, forceNewBlock, index } = ctx;
-    let currentIndex = index;
+    let { block, forceNewBlock } = ctx;
     const codeIdx = this.target.code.length;
     const isNewBlock = !block || (block.type !== "multi" && forceNewBlock);
     if (block) {
@@ -781,28 +794,16 @@ export class CodeGenerator {
       block = this.createBlock(block, "multi", ctx);
     }
     this.addLine(`if (${compileExpr(ast.condition)}) {`);
-    this.target.indentLevel++;
-    this.insertAnchor(block!);
-    const subCtx: Context = createContext(ctx, { block, index: currentIndex });
-    this.compileAST(ast.content, subCtx);
-    this.target.indentLevel--;
+    this.compileTIfBranch(ast.content, block, ctx);
     if (ast.tElif) {
       for (let clause of ast.tElif) {
         this.addLine(`} else if (${compileExpr(clause.condition)}) {`);
-        this.target.indentLevel++;
-        this.insertAnchor(block);
-        const subCtx: Context = createContext(ctx, { block, index: currentIndex });
-        this.compileAST(clause.content, subCtx);
-        this.target.indentLevel--;
+        this.compileTIfBranch(clause.content, block, ctx);
       }
     }
     if (ast.tElse) {
       this.addLine(`} else {`);
-      this.target.indentLevel++;
-      this.insertAnchor(block);
-      const subCtx: Context = createContext(ctx, { block, index: currentIndex });
-      this.compileAST(ast.tElse, subCtx);
-      this.target.indentLevel--;
+      this.compileTIfBranch(ast.tElse, block, ctx);
     }
     this.addLine("}");
     if (isNewBlock) {
@@ -888,7 +889,7 @@ export class CodeGenerator {
       this.addLine("}");
     }
 
-    const subCtx: Context = createContext(ctx, { block, index: loopVar });
+    const subCtx = createContext(ctx, { block, index: loopVar });
     this.compileAST(ast.body, subCtx);
     if (ast.memo) {
       this.addLine(
@@ -935,7 +936,7 @@ export class CodeGenerator {
     for (let i = 0, l = ast.content.length; i < l; i++) {
       const child = ast.content[i];
       const isTSet = child.type === ASTType.TSet;
-      const subCtx: Context = createContext(ctx, {
+      const subCtx = createContext(ctx, {
         block,
         index,
         forceNewBlock: !isTSet,
@@ -981,7 +982,7 @@ export class CodeGenerator {
       this.addLine(`${ctxVar}[isBoundary] = 1;`);
       this.helpers.add("isBoundary");
       const nextId = BlockDescription.nextBlockId;
-      const subCtx: Context = createContext(ctx, { preventRoot: true, ctxVar });
+      const subCtx = createContext(ctx, { preventRoot: true, ctxVar });
       this.compileAST({ type: ASTType.Multi, content: ast.body }, subCtx);
       if (nextId !== BlockDescription.nextBlockId) {
         this.helpers.add("zero");

src/compiler/parser.ts

@@ -258,16 +258,12 @@ function parseTNode(node: Element, ctx: ParsingContext): AST | null {
 // -----------------------------------------------------------------------------
 // Text and Comment Nodes
 // -----------------------------------------------------------------------------
-const lineBreakRE = /[\r\n]/;
-const whitespaceRE = /\s+/g;
+const whitespaceRE = /[^\S\r\n]+/g;
 
 function parseTextCommentNode(node: Node, ctx: ParsingContext): AST | null {
   if (node.nodeType === Node.TEXT_NODE) {
     let value = node.textContent || "";
     if (!ctx.inPreTag) {
-      if (lineBreakRE.test(value) && !value.trim()) {
-        return null;
-      }
       value = value.replace(whitespaceRE, " ");
     }
 

src/runtime/app.ts

@@ -3,7 +3,6 @@ import { ComponentNode } from "./component_node";
 import { nodeErrorHandlers } from "./error_handling";
 import { Fiber, MountOptions } from "./fibers";
 import { Scheduler } from "./scheduler";
-import { STATUS } from "./status";
 import { validateProps } from "./template_helpers";
 import { TemplateSet, TemplateSetConfig } from "./template_set";
 import { validateTarget } from "./utils";
@@ -141,10 +140,7 @@ export class App<
     return (props: P, key: string, ctx: ComponentNode, parent: any, C: any) => {
       let children = ctx.children;
       let node: any = children[key];
-      if (
-        node &&
-        (node.status === STATUS.DESTROYED || (isDynamic && node.component.constructor !== C))
-      ) {
+      if (isDynamic && node && node.component.constructor !== C) {
         node = undefined;
       }
       const parentFiber = ctx.fiber!;

src/runtime/fibers.ts

@@ -56,6 +56,7 @@ function cancelFibers(fibers: Fiber[]): number {
     fiber.render = throwOnRender;
     if (node.status === STATUS.NEW) {
       node.destroy();
+      delete node.parent!.children[node.parentKey!];
     }
     node.fiber = null;
     if (fiber.bdom) {

src/runtime/template_helpers.ts

@@ -129,9 +129,9 @@ class LazyValue {
 /*
  * Safely outputs `value` as a block depending on the nature of `value`
  */
-export function safeOutput(value: any): ReturnType<typeof toggler> {
-  if (!value) {
-    return value;
+export function safeOutput(value: any, defaultValue?: any): ReturnType<typeof toggler> {
+  if (value === undefined) {
+    return defaultValue ? toggler("default", defaultValue) : toggler("undefined", text(""));
   }
   let safeKey;
   let block;

tests/__snapshots__/reactivity.test.ts.snap

@@ -49,7 +49,6 @@ exports[`Reactivity: useState concurrent renderings 3`] = `
 exports[`Reactivity: useState destroyed component before being mounted is inactive 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -68,7 +67,6 @@ exports[`Reactivity: useState destroyed component before being mounted is inacti
 exports[`Reactivity: useState destroyed component before being mounted is inactive 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -83,7 +81,6 @@ exports[`Reactivity: useState destroyed component before being mounted is inacti
 exports[`Reactivity: useState destroyed component is inactive 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -102,7 +99,6 @@ exports[`Reactivity: useState destroyed component is inactive 1`] = `
 exports[`Reactivity: useState destroyed component is inactive 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -117,7 +113,6 @@ exports[`Reactivity: useState destroyed component is inactive 2`] = `
 exports[`Reactivity: useState one components can subscribe twice to same context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
@@ -133,7 +128,6 @@ exports[`Reactivity: useState one components can subscribe twice to same context
 exports[`Reactivity: useState parent and children subscribed to same context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -150,7 +144,6 @@ exports[`Reactivity: useState parent and children subscribed to same context 1`]
 exports[`Reactivity: useState parent and children subscribed to same context 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -228,7 +221,6 @@ exports[`Reactivity: useState several nodes on different level use same context
 exports[`Reactivity: useState two components are updated in parallel 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Child\`, true, false, false, true);
@@ -246,7 +238,6 @@ exports[`Reactivity: useState two components are updated in parallel 1`] = `
 exports[`Reactivity: useState two components are updated in parallel 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -261,7 +252,6 @@ exports[`Reactivity: useState two components are updated in parallel 2`] = `
 exports[`Reactivity: useState two components can subscribe to same context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Child\`, true, false, false, true);
@@ -279,7 +269,6 @@ exports[`Reactivity: useState two components can subscribe to same context 1`] =
 exports[`Reactivity: useState two components can subscribe to same context 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -294,7 +283,6 @@ exports[`Reactivity: useState two components can subscribe to same context 2`] =
 exports[`Reactivity: useState two independent components on different levels are updated in parallel 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Parent\`, true, false, false, true);
@@ -312,7 +300,6 @@ exports[`Reactivity: useState two independent components on different levels are
 exports[`Reactivity: useState two independent components on different levels are updated in parallel 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -327,7 +314,6 @@ exports[`Reactivity: useState two independent components on different levels are
 exports[`Reactivity: useState two independent components on different levels are updated in parallel 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -343,7 +329,6 @@ exports[`Reactivity: useState two independent components on different levels are
 exports[`Reactivity: useState useContext=useState hook is reactive, for one component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -358,26 +343,37 @@ exports[`Reactivity: useState useContext=useState hook is reactive, for one comp
 exports[`Reactivity: useState useless atoms should be deleted 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Quantity\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/> Total: <block-text-0/> Count: <block-text-1/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ Total: <block-text-0/>
+ Count: <block-text-1/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(Object.keys(ctx['state']));;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`id\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(Object.keys(ctx['state']));;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`id\`] = v_block4[i1];
       const key1 = ctx['id'];
-      c_block2[i1] = withKey(comp1({id: ctx['id']}, key + \`__1__\${key1}\`, node, this, null), key1);
+      const b6 = text(\`
+ \`);
+      const b7 = comp1({id: ctx['id']}, key + \`__1__\${key1}\`, node, this, null);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
     ctx = ctx.__proto__;
-    const b2 = list(c_block2);
+    const b4 = list(c_block4);
     let txt1 = ctx['total'];
     let txt2 = Object.keys(ctx['state']).length;
-    return block1([txt1, txt2], [b2]);
+    const b3 = block3([txt1, txt2], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -385,7 +381,6 @@ exports[`Reactivity: useState useless atoms should be deleted 1`] = `
 exports[`Reactivity: useState useless atoms should be deleted 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -400,7 +395,6 @@ exports[`Reactivity: useState useless atoms should be deleted 2`] = `
 exports[`Reactivity: useState very simple use, with initial value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);

tests/app/__snapshots__/app.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`app App supports env with getters/setters 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/> <block-text-1/></div>\`);
@@ -19,7 +18,6 @@ exports[`app App supports env with getters/setters 1`] = `
 exports[`app can configure an app with props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -34,7 +32,6 @@ exports[`app can configure an app with props 1`] = `
 exports[`app destroy remove the widget from the DOM 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -48,7 +45,6 @@ exports[`app destroy remove the widget from the DOM 1`] = `
 exports[`app warnIfNoStaticProps works as expected 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);

tests/compiler/__snapshots__/attributes.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`attributes changing a class with t-att-class (preexisting class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hoy\\" block-attribute-0=\\"class\\"/>\`);
@@ -18,7 +17,6 @@ exports[`attributes changing a class with t-att-class (preexisting class 1`] = `
 exports[`attributes changing a class with t-att-class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -33,7 +31,6 @@ exports[`attributes changing a class with t-att-class 1`] = `
 exports[`attributes changing an attribute with t-att- 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"value\\"/>\`);
@@ -48,7 +45,6 @@ exports[`attributes changing an attribute with t-att- 1`] = `
 exports[`attributes class and t-att-class should combine together 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\" class=\\"hello\\"/>\`);
@@ -63,7 +59,6 @@ exports[`attributes class and t-att-class should combine together 1`] = `
 exports[`attributes class and t-attf-class with ternary operation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hello\\" block-attribute-0=\\"class\\"/>\`);
@@ -78,7 +73,6 @@ exports[`attributes class and t-attf-class with ternary operation 1`] = `
 exports[`attributes dynamic attribute evaluating to 0 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -93,7 +87,6 @@ exports[`attributes dynamic attribute evaluating to 0 1`] = `
 exports[`attributes dynamic attribute falsy variable  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -108,7 +101,6 @@ exports[`attributes dynamic attribute falsy variable  1`] = `
 exports[`attributes dynamic attribute with a dash 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"data-action-id\\"/>\`);
@@ -123,7 +115,6 @@ exports[`attributes dynamic attribute with a dash 1`] = `
 exports[`attributes dynamic attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -138,7 +129,6 @@ exports[`attributes dynamic attributes 1`] = `
 exports[`attributes dynamic attributes with backticks 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -153,7 +143,6 @@ exports[`attributes dynamic attributes with backticks 1`] = `
 exports[`attributes dynamic class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -168,7 +157,6 @@ exports[`attributes dynamic class attribute 1`] = `
 exports[`attributes dynamic class attribute evaluating to 0 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -183,7 +171,6 @@ exports[`attributes dynamic class attribute evaluating to 0 1`] = `
 exports[`attributes dynamic class attribute that starts and ends with a space 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -198,7 +185,6 @@ exports[`attributes dynamic class attribute that starts and ends with a space 1`
 exports[`attributes dynamic class attribute which is only a space 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -213,7 +199,6 @@ exports[`attributes dynamic class attribute which is only a space 1`] = `
 exports[`attributes dynamic class attribute with multiple consecutive spaces 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -228,7 +213,6 @@ exports[`attributes dynamic class attribute with multiple consecutive spaces 1`]
 exports[`attributes dynamic empty class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -243,7 +227,6 @@ exports[`attributes dynamic empty class attribute 1`] = `
 exports[`attributes dynamic formatted attributes with a dash 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"aria-label\\"/>\`);
@@ -258,7 +241,6 @@ exports[`attributes dynamic formatted attributes with a dash 1`] = `
 exports[`attributes dynamic undefined class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -273,7 +255,6 @@ exports[`attributes dynamic undefined class attribute 1`] = `
 exports[`attributes dynamic undefined generic attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"thing\\"/>\`);
@@ -288,7 +269,6 @@ exports[`attributes dynamic undefined generic attribute 1`] = `
 exports[`attributes fixed variable 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -303,7 +283,6 @@ exports[`attributes fixed variable 1`] = `
 exports[`attributes format expression 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -318,7 +297,6 @@ exports[`attributes format expression 1`] = `
 exports[`attributes format literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -333,7 +311,6 @@ exports[`attributes format literal 1`] = `
 exports[`attributes format multiple 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -348,7 +325,6 @@ exports[`attributes format multiple 1`] = `
 exports[`attributes format value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -363,18 +339,23 @@ exports[`attributes format value 1`] = `
 exports[`attributes from object variables set previously 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><span block-attribute-0=\\"class\\"/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <span block-attribute-0=\\"class\\"/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"o\\", {a:'b'});
     let attr1 = ctx['o'].a;
-    return block1([attr1]);
+    const b3 = block3([attr1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -382,18 +363,22 @@ exports[`attributes from object variables set previously 1`] = `
 exports[`attributes from variables set previously (no external node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<span block-attribute-0=\\"class\\"/>\`);
+  let block4 = createBlock(\`<span block-attribute-0=\\"class\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"abc\\", 'def');
+    const b3 = text(\`
+ \`);
     let attr1 = ctx['abc'];
-    return block1([attr1]);
+    const b4 = block4([attr1]);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -401,7 +386,6 @@ exports[`attributes from variables set previously (no external node) 1`] = `
 exports[`attributes from variables set previously 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -420,7 +404,6 @@ exports[`attributes from variables set previously 1`] = `
 exports[`attributes object 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attributes=\\"0\\"/>\`);
@@ -435,7 +418,6 @@ exports[`attributes object 1`] = `
 exports[`attributes static attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div foo=\\"a\\" bar=\\"b\\" baz=\\"c\\"/>\`);
@@ -449,7 +431,6 @@ exports[`attributes static attributes 1`] = `
 exports[`attributes static attributes on void elements 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<img src=\\"/test.skip.jpg\\" alt=\\"Test\\"/>\`);
@@ -463,7 +444,6 @@ exports[`attributes static attributes on void elements 1`] = `
 exports[`attributes static attributes with backticks 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div foo=\\"\\\\\`bar\\\\\`\\"/>\`);
@@ -477,7 +457,6 @@ exports[`attributes static attributes with backticks 1`] = `
 exports[`attributes static attributes with dashes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div aria-label=\\"Close\\"/>\`);
@@ -491,7 +470,6 @@ exports[`attributes static attributes with dashes 1`] = `
 exports[`attributes string interpolation, alternate syntax 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\"/>\`);
@@ -506,7 +484,6 @@ exports[`attributes string interpolation, alternate syntax 1`] = `
 exports[`attributes t-att-class and class should combine together 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hello\\" block-attribute-0=\\"class\\"/>\`);
@@ -521,7 +498,6 @@ exports[`attributes t-att-class and class should combine together 1`] = `
 exports[`attributes t-att-class with multiple classes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -536,7 +512,6 @@ exports[`attributes t-att-class with multiple classes 1`] = `
 exports[`attributes t-att-class with multiple classes 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -551,7 +526,6 @@ exports[`attributes t-att-class with multiple classes 2`] = `
 exports[`attributes t-att-class with multiple classes 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -566,7 +540,6 @@ exports[`attributes t-att-class with multiple classes 3`] = `
 exports[`attributes t-att-class with multiple classes, some of which are duplicate 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -581,7 +554,6 @@ exports[`attributes t-att-class with multiple classes, some of which are duplica
 exports[`attributes t-att-class with object 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"static\\" block-attribute-0=\\"class\\"/>\`);
@@ -596,7 +568,6 @@ exports[`attributes t-att-class with object 1`] = `
 exports[`attributes t-att-class with object 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -611,7 +582,6 @@ exports[`attributes t-att-class with object 2`] = `
 exports[`attributes t-att-class with object 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -626,7 +596,6 @@ exports[`attributes t-att-class with object 3`] = `
 exports[`attributes t-attf-class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -641,7 +610,6 @@ exports[`attributes t-attf-class 1`] = `
 exports[`attributes t-attf-class should combine with class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hello\\" block-attribute-0=\\"class\\"/>\`);
@@ -656,7 +624,6 @@ exports[`attributes t-attf-class should combine with class 1`] = `
 exports[`attributes t-attf-class with multiple classes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -671,7 +638,6 @@ exports[`attributes t-attf-class with multiple classes 1`] = `
 exports[`attributes t-attf-class with multiple classes separated by multiple spaces 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -686,7 +652,6 @@ exports[`attributes t-attf-class with multiple classes separated by multiple spa
 exports[`attributes tuple literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attributes=\\"0\\"/>\`);
@@ -701,7 +666,6 @@ exports[`attributes tuple literal 1`] = `
 exports[`attributes tuple variable 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attributes=\\"0\\"/>\`);
@@ -716,7 +680,6 @@ exports[`attributes tuple variable 1`] = `
 exports[`attributes two classes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"a b\\"/>\`);
@@ -730,7 +693,6 @@ exports[`attributes two classes 1`] = `
 exports[`attributes two dynamic attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"foo\\" block-attribute-1=\\"bar\\"/>\`);
@@ -746,7 +708,6 @@ exports[`attributes two dynamic attributes 1`] = `
 exports[`attributes updating classes (with obj notation) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"hoy\\" block-attribute-0=\\"class\\"/>\`);
@@ -761,16 +722,18 @@ exports[`attributes updating classes (with obj notation) 1`] = `
 exports[`attributes various escapes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div foo=\\"&lt;foo\\" block-attribute-0=\\"bar\\" block-attribute-1=\\"baz\\" block-attributes=\\"2\\"/>\`);
+  let block3 = createBlock(\`<div foo=\\"&lt;foo\\" block-attribute-0=\\"bar\\" block-attribute-1=\\"baz\\" block-attributes=\\"2\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let attr1 = ctx['bar'];
     let attr2 = \`<\${ctx['baz']}>\`;
     let attr3 = ctx['qux'];
-    return block1([attr1, attr2, attr3]);
+    const b3 = block3([attr1, attr2, attr3]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -778,7 +741,6 @@ exports[`attributes various escapes 1`] = `
 exports[`attributes various escapes 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div> &lt; </div>\`);
@@ -792,7 +754,6 @@ exports[`attributes various escapes 2 1`] = `
 exports[`special cases for some specific html attributes/properties input of type checkbox with t-att-indeterminate 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"indeterminate\\"/>\`);
@@ -807,7 +768,6 @@ exports[`special cases for some specific html attributes/properties input of typ
 exports[`special cases for some specific html attributes/properties input type= checkbox, with t-att-checked 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"checked\\"/>\`);
@@ -822,7 +782,6 @@ exports[`special cases for some specific html attributes/properties input type=
 exports[`special cases for some specific html attributes/properties input with t-att-value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<input block-attribute-0=\\"value\\"/>\`);
@@ -837,14 +796,20 @@ exports[`special cases for some specific html attributes/properties input with t
 exports[`special cases for some specific html attributes/properties select with t-att-value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<select block-attribute-0=\\"value\\"><option value=\\"potato\\">Potato</option><option value=\\"tomato\\">Tomato</option><option value=\\"onion\\">Onion</option></select>\`);
+  let block3 = createBlock(\`<select block-attribute-0=\\"value\\">
+ <option value=\\"potato\\">Potato</option>
+ <option value=\\"tomato\\">Tomato</option>
+ <option value=\\"onion\\">Onion</option>
+ </select>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let attr1 = ctx['value'];
-    return block1([attr1]);
+    const b3 = block3([attr1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -852,7 +817,6 @@ exports[`special cases for some specific html attributes/properties select with
 exports[`special cases for some specific html attributes/properties textarea with t-att-value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<textarea block-attribute-0=\\"value\\"/>\`);
@@ -867,13 +831,25 @@ exports[`special cases for some specific html attributes/properties textarea wit
 exports[`special cases for some specific html attributes/properties various boolean html attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><input type=\\"checkbox\\" checked=\\"checked\\"/><input checked=\\"checked\\"/><div checked=\\"checked\\"/><div selected=\\"selected\\"/><option selected=\\"selected\\" other=\\"1\\"/><input readonly=\\"readonly\\"/><button disabled=\\"disabled\\"/></div>\`);
+  let block3 = createBlock(\`<div>
+ <input type=\\"checkbox\\" checked=\\"checked\\"/>
+ <input checked=\\"checked\\"/>
+ <div checked=\\"checked\\"/>
+ <div selected=\\"selected\\"/>
+ <option selected=\\"selected\\" other=\\"1\\"/>
+ <input readonly=\\"readonly\\"/>
+ <button disabled=\\"disabled\\"/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    return block1();
+    const b2 = text(\`
+ \`);
+    const b3 = block3();
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;

tests/compiler/__snapshots__/comments.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`comments only a comment 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -15,7 +14,6 @@ exports[`comments only a comment 1`] = `
 exports[`comments properly handle comments 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hello <!-- comment-->owl</div>\`);
@@ -29,21 +27,25 @@ exports[`comments properly handle comments 1`] = `
 exports[`comments properly handle comments between t-if/t-else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
-  let block2 = createBlock(\`<span>true</span>\`);
-  let block3 = createBlock(\`<span>owl</span>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/><block-child-1/>
+ </div>\`);
+  let block4 = createBlock(\`<span>true</span>\`);
+  let block5 = createBlock(\`<span>owl</span>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3;
+    const b2 = text(\`
+ \`);
+    let b4,b5;
     if (true) {
-      b2 = block2();
+      b4 = block4();
     } else {
-      b3 = block3();
+      b5 = block5();
     }
-    return block1([], [b2, b3]);
+    const b3 = block3([], [b4, b5]);
+    return multi([b2, b3]);
   }
 }"
 `;

tests/compiler/__snapshots__/event_handling.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-on can bind event handler 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -18,7 +17,6 @@ exports[`t-on can bind event handler 1`] = `
 exports[`t-on can bind handlers with arguments 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -34,7 +32,6 @@ exports[`t-on can bind handlers with arguments 1`] = `
 exports[`t-on can bind handlers with empty  object 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -50,7 +47,6 @@ exports[`t-on can bind handlers with empty  object 1`] = `
 exports[`t-on can bind handlers with empty object (with non empty inner string) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -66,27 +62,34 @@ exports[`t-on can bind handlers with empty object (with non empty inner string)
 exports[`t-on can bind handlers with empty object (with non empty inner string) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<ul><block-child-0/></ul>\`);
-  let block3 = createBlock(\`<li><a block-handler-0=\\"click\\">link</a></li>\`);
+  let block3 = createBlock(\`<ul>
+ <block-child-0/>
+ </ul>\`);
+  let block5 = createBlock(\`<li>
+ <a block-handler-0=\\"click\\">link</a>
+ </li>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(['someval']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`action\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(['someval']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`action\`] = v_block4[i1];
       ctx[\`action_index\`] = i1;
       const key1 = ctx['action_index'];
       const v1 = ctx['activate'];
       const v2 = ctx['action'];
       let hdlr1 = [()=>v1(v2), ctx];
-      c_block2[i1] = withKey(block3([hdlr1]), key1);
+      c_block4[i1] = withKey(block5([hdlr1]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -94,7 +97,6 @@ exports[`t-on can bind handlers with empty object (with non empty inner string)
 exports[`t-on can bind handlers with object arguments 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -110,15 +112,17 @@ exports[`t-on can bind handlers with object arguments 1`] = `
 exports[`t-on can bind two event handlers 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<button block-handler-0=\\"click\\" block-handler-1=\\"dblclick\\">Click</button>\`);
+  let block3 = createBlock(\`<button block-handler-0=\\"click\\" block-handler-1=\\"dblclick\\">Click</button>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let hdlr1 = [ctx['handleClick'], ctx];
     let hdlr2 = [ctx['handleDblClick'], ctx];
-    return block1([hdlr1, hdlr2]);
+    const b3 = block3([hdlr1, hdlr2]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -126,7 +130,6 @@ exports[`t-on can bind two event handlers 1`] = `
 exports[`t-on handler is bound to proper owner 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -141,22 +144,29 @@ exports[`t-on handler is bound to proper owner 1`] = `
 exports[`t-on handler is bound to proper owner, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block2 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
+  let block6 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block1, v_block1, l_block1, c_block1] = prepareList([1]);;
-    for (let i1 = 0; i1 < l_block1; i1++) {
-      ctx[\`value\`] = v_block1[i1];
+    const [k_block3, v_block3, l_block3, c_block3] = prepareList([1]);;
+    for (let i1 = 0; i1 < l_block3; i1++) {
+      ctx[\`value\`] = v_block3[i1];
       const key1 = ctx['value'];
+      const b5 = text(\`
+ \`);
       let hdlr1 = [ctx['add'], ctx];
-      c_block1[i1] = withKey(block2([hdlr1]), key1);
+      const b6 = block6([hdlr1]);
+      const b7 = text(\`
+ \`);
+      c_block3[i1] = withKey(multi([b5, b6, b7]), key1);
     }
-    return list(c_block1);
+    const b3 = list(c_block3);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -164,7 +174,6 @@ exports[`t-on handler is bound to proper owner, part 2 1`] = `
 exports[`t-on handler is bound to proper owner, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -177,7 +186,6 @@ exports[`t-on handler is bound to proper owner, part 3 1`] = `
 exports[`t-on handler is bound to proper owner, part 3 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -192,24 +200,31 @@ exports[`t-on handler is bound to proper owner, part 3 2`] = `
 exports[`t-on handler is bound to proper owner, part 4 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block1, v_block1, l_block1, c_block1] = prepareList([1]);;
-    for (let i1 = 0; i1 < l_block1; i1++) {
-      ctx[\`value\`] = v_block1[i1];
+    const [k_block3, v_block3, l_block3, c_block3] = prepareList([1]);;
+    for (let i1 = 0; i1 < l_block3; i1++) {
+      ctx[\`value\`] = v_block3[i1];
       ctx[\`value_first\`] = i1 === 0;
-      ctx[\`value_last\`] = i1 === v_block1.length - 1;
+      ctx[\`value_last\`] = i1 === v_block3.length - 1;
       ctx[\`value_index\`] = i1;
-      ctx[\`value_value\`] = k_block1[i1];
+      ctx[\`value_value\`] = k_block3[i1];
       const key1 = ctx['value'];
-      c_block1[i1] = withKey(callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}\`), key1);
+      const b5 = text(\`
+ \`);
+      const b6 = callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}\`);
+      const b7 = text(\`
+ \`);
+      c_block3[i1] = withKey(multi([b5, b6, b7]), key1);
     }
-    return list(c_block1);
+    const b3 = list(c_block3);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -217,7 +232,6 @@ exports[`t-on handler is bound to proper owner, part 4 1`] = `
 exports[`t-on handler is bound to proper owner, part 4 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -232,7 +246,6 @@ exports[`t-on handler is bound to proper owner, part 4 2`] = `
 exports[`t-on receive event in first argument 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -247,10 +260,11 @@ exports[`t-on receive event in first argument 1`] = `
 exports[`t-on t-on modifiers (native listener) basic support for native listener 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div class=\\"myClass\\" block-handler-0=\\"click\\"><button block-handler-1=\\"click\\">Button</button></div>\`);
+  let block1 = createBlock(\`<div class=\\"myClass\\" block-handler-0=\\"click\\">
+ <button block-handler-1=\\"click\\">Button</button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let hdlr1 = [ctx['divClicked'], ctx];
@@ -263,7 +277,6 @@ exports[`t-on t-on modifiers (native listener) basic support for native listener
 exports[`t-on t-on modifiers (native listener) t-on combined with t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><button block-handler-0=\\"click\\"><block-text-1/></button></div>\`);
@@ -279,7 +292,6 @@ exports[`t-on t-on modifiers (native listener) t-on combined with t-esc 1`] = `
 exports[`t-on t-on modifiers (native listener) t-on combined with t-out 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -296,10 +308,11 @@ exports[`t-on t-on modifiers (native listener) t-on combined with t-out 1`] = `
 exports[`t-on t-on modifiers (native listener) t-on with .capture modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div block-handler-0=\\"click.capture\\"><button block-handler-1=\\"click\\">Button</button></div>\`);
+  let block1 = createBlock(\`<div block-handler-0=\\"click.capture\\">
+ <button block-handler-1=\\"click\\">Button</button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let hdlr1 = [\\"capture\\", ctx['onCapture'], ctx];
@@ -312,10 +325,11 @@ exports[`t-on t-on modifiers (native listener) t-on with .capture modifier 1`] =
 exports[`t-on t-on modifiers (native listener) t-on with empty handler (only modifiers) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><button block-handler-0=\\"click.prevent\\">Button</button></div>\`);
+  let block1 = createBlock(\`<div>
+ <button block-handler-0=\\"click.prevent\\">Button</button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let hdlr1 = [\\"prevent\\", , ctx];
@@ -327,10 +341,11 @@ exports[`t-on t-on modifiers (native listener) t-on with empty handler (only mod
 exports[`t-on t-on modifiers (native listener) t-on with prevent and self modifiers (order matters) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><button block-handler-0=\\"click.prevent.self\\"><span>Button</span></button></div>\`);
+  let block1 = createBlock(\`<div>
+ <button block-handler-0=\\"click.prevent.self\\"><span>Button</span></button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let hdlr1 = [\\"prevent\\",\\"self\\", ctx['onClick'], ctx];
@@ -342,10 +357,13 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent and self modifi
 exports[`t-on t-on modifiers (native listener) t-on with prevent and/or stop modifiers 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><button block-handler-0=\\"click.prevent\\">Button 1</button><button block-handler-1=\\"click.stop\\">Button 2</button><button block-handler-2=\\"click.prevent.stop\\">Button 3</button></div>\`);
+  let block1 = createBlock(\`<div>
+ <button block-handler-0=\\"click.prevent\\">Button 1</button>
+ <button block-handler-1=\\"click.stop\\">Button 2</button>
+ <button block-handler-2=\\"click.prevent.stop\\">Button 3</button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let hdlr1 = [\\"prevent\\", ctx['onClickPrevented'], ctx];
@@ -359,12 +377,15 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent and/or stop mod
 exports[`t-on t-on modifiers (native listener) t-on with prevent modifier in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<a href=\\"#\\" block-handler-0=\\"click.prevent\\"> Edit <block-text-1/></a>\`);
+  let block1 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<a href=\\"#\\" block-handler-0=\\"click.prevent\\">
+ Edit <block-text-1/>
+ </a>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -372,12 +393,18 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent modifier in t-f
     for (let i1 = 0; i1 < l_block2; i1++) {
       ctx[\`project\`] = v_block2[i1];
       const key1 = ctx['project'];
+      const b4 = text(\`
+ \`);
       const v1 = ctx['onEdit'];
       const v2 = ctx['project'];
       let hdlr1 = [\\"prevent\\", _ev=>v1(v2.id,_ev), ctx];
       let txt1 = ctx['project'].name;
-      c_block2[i1] = withKey(block3([hdlr1, txt1]), key1);
+      const b5 = block5([hdlr1, txt1]);
+      const b6 = text(\`
+ \`);
+      c_block2[i1] = withKey(multi([b4, b5, b6]), key1);
     }
+    ctx = ctx.__proto__;
     const b2 = list(c_block2);
     return block1([], [b2]);
   }
@@ -387,10 +414,11 @@ exports[`t-on t-on modifiers (native listener) t-on with prevent modifier in t-f
 exports[`t-on t-on modifiers (native listener) t-on with self and prevent modifiers (order matters) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><button block-handler-0=\\"click.self.prevent\\"><span>Button</span></button></div>\`);
+  let block1 = createBlock(\`<div>
+ <button block-handler-0=\\"click.self.prevent\\"><span>Button</span></button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let hdlr1 = [\\"self\\",\\"prevent\\", ctx['onClick'], ctx];
@@ -402,10 +430,12 @@ exports[`t-on t-on modifiers (native listener) t-on with self and prevent modifi
 exports[`t-on t-on modifiers (native listener) t-on with self modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><button block-handler-0=\\"click\\"><span>Button</span></button><button block-handler-1=\\"click.self\\"><span>Button</span></button></div>\`);
+  let block1 = createBlock(\`<div>
+ <button block-handler-0=\\"click\\"><span>Button</span></button>
+ <button block-handler-1=\\"click.self\\"><span>Button</span></button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let hdlr1 = [ctx['onClick'], ctx];
@@ -418,10 +448,11 @@ exports[`t-on t-on modifiers (native listener) t-on with self modifier 1`] = `
 exports[`t-on t-on modifiers (synthetic listener) basic support for synthetic 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div block-handler-0=\\"click.synthetic\\"><button block-handler-1=\\"click.synthetic\\">Button</button></div>\`);
+  let block1 = createBlock(\`<div block-handler-0=\\"click.synthetic\\">
+ <button block-handler-1=\\"click.synthetic\\">Button</button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let hdlr1 = [\\"synthetic\\", ctx['divClicked'], ctx];
@@ -434,7 +465,6 @@ exports[`t-on t-on modifiers (synthetic listener) basic support for synthetic 1`
 exports[`t-on t-on with inline statement (function call) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -450,7 +480,6 @@ exports[`t-on t-on with inline statement (function call) 1`] = `
 exports[`t-on t-on with inline statement 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Click</button>\`);
@@ -466,7 +495,6 @@ exports[`t-on t-on with inline statement 1`] = `
 exports[`t-on t-on with inline statement, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Toggle</button>\`);
@@ -482,7 +510,6 @@ exports[`t-on t-on with inline statement, part 2 1`] = `
 exports[`t-on t-on with inline statement, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">Toggle</button>\`);
@@ -499,7 +526,6 @@ exports[`t-on t-on with inline statement, part 3 1`] = `
 exports[`t-on t-on with t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -515,7 +541,6 @@ exports[`t-on t-on with t-call 1`] = `
 exports[`t-on t-on with t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
@@ -530,7 +555,6 @@ exports[`t-on t-on with t-call 2`] = `
 exports[`t-on t-on, with arguments and t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -546,7 +570,6 @@ exports[`t-on t-on, with arguments and t-call 1`] = `
 exports[`t-on t-on, with arguments and t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);

tests/compiler/__snapshots__/misc.test.ts.snap

@@ -3,79 +3,120 @@
 exports[`misc complex template 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`SlotButton\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div block-attribute-0=\\"class\\"><div block-attribute-1=\\"class\\"><div class=\\"batch_header\\"><a block-attribute-2=\\"href\\" block-attribute-3=\\"class\\" title=\\"View Batch\\"><block-text-4/><block-child-0/><i class=\\"arrow fa fa-window-maximize\\"/></a></div><block-child-1/><div class=\\"batch_slots\\"><block-child-2/><block-child-3/></div><div class=\\"batch_commits\\"><block-child-4/></div></div></div>\`);
-  let block2 = createBlock(\`<i class=\\"fa fa-exclamation-triangle\\"/>\`);
-  let block3 = createBlock(\`<span><i class=\\"fa fa-cog fa-spin fa-fw\\"/> preparing</span>\`);
-  let block7 = createBlock(\`<div class=\\"slot_filler\\"/>\`);
-  let block9 = createBlock(\`<div class=\\"one_line\\"><a block-attribute-0=\\"href\\" block-attribute-1=\\"class\\"><block-child-0/><block-child-1/><block-child-2/><block-child-3/><block-text-2/></a><a block-attribute-3=\\"href\\" class=\\"badge badge-light\\" title=\\"View Commit on Github\\"><i class=\\"fa fa-github\\"/></a><span><block-text-4/></span></div>\`);
-  let block10 = createBlock(\`<i class=\\"fa fa-fw fa-hashtag\\" title=\\"This commit is a new head\\"/>\`);
-  let block11 = createBlock(\`<i class=\\"fa fa-fw fa-link\\" title=\\"This commit is an existing head from bundle branches\\"/>\`);
-  let block12 = createBlock(\`<i class=\\"fa fa-fw fa-code-fork\\" title=\\"This commit is matched from a base batch with matching merge_base\\"/>\`);
-  let block13 = createBlock(\`<i class=\\"fa fa-fw fa-clock-o\\" title=\\"This commit is the head of a base branch\\"/>\`);
+  let block3 = createBlock(\`<div block-attribute-0=\\"class\\">
+ <div block-attribute-1=\\"class\\">
+ <div class=\\"batch_header\\">
+ <a block-attribute-2=\\"href\\" block-attribute-3=\\"class\\" title=\\"View Batch\\">
+ <block-text-4/>
+ <block-child-0/>
+ <i class=\\"arrow fa fa-window-maximize\\"/>
+ </a>
+ </div>
+ <block-child-1/>
+ <div class=\\"batch_slots\\">
+ <block-child-2/>
+ <block-child-3/>
+ </div>
+ <div class=\\"batch_commits\\">
+ <block-child-4/>
+ </div>
+ </div>
+ </div>\`);
+  let block4 = createBlock(\`<i class=\\"fa fa-exclamation-triangle\\"/>\`);
+  let block7 = createBlock(\`<span><i class=\\"fa fa-cog fa-spin fa-fw\\"/> preparing</span>\`);
+  let block15 = createBlock(\`<div class=\\"slot_filler\\"/>\`);
+  let block17 = createBlock(\`<div class=\\"one_line\\">
+ <a block-attribute-0=\\"href\\" block-attribute-1=\\"class\\">
+ <block-child-0/>
+ <block-child-1/>
+ <block-child-2/>
+ <block-child-3/>
+ <block-text-2/>
+ </a>
+ <a block-attribute-3=\\"href\\" class=\\"badge badge-light\\" title=\\"View Commit on Github\\"><i class=\\"fa fa-github\\"/></a>
+ <span><block-text-4/></span>
+ </div>\`);
+  let block18 = createBlock(\`<i class=\\"fa fa-fw fa-hashtag\\" title=\\"This commit is a new head\\"/>\`);
+  let block19 = createBlock(\`<i class=\\"fa fa-fw fa-link\\" title=\\"This commit is an existing head from bundle branches\\"/>\`);
+  let block20 = createBlock(\`<i class=\\"fa fa-fw fa-code-fork\\" title=\\"This commit is matched from a base batch with matching merge_base\\"/>\`);
+  let block21 = createBlock(\`<i class=\\"fa fa-fw fa-clock-o\\" title=\\"This commit is the head of a base branch\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3,b4,b6,b8;
+    const b2 = text(\`
+ \`);
+    let b4,b5,b9,b14,b16;
     let attr1 = \`batch_tile \${ctx['options'].more?'more':'nomore'}\`;
     let attr2 = \`card bg-\${ctx['klass']}-light\`;
     let attr3 = \`/runbot/batch/\${ctx['batch'].id}\`;
     let attr4 = \`badge badge-\${ctx['batch'].has_warning?'warning':'light'}\`;
     let txt1 = ctx['batch'].formated_age;
     if (ctx['batch'].has_warning) {
-      b2 = block2();
+      b4 = block4();
     }
     if (ctx['batch'].state=='preparing') {
-      b3 = block3();
+      const b6 = text(\`
+ \`);
+      const b7 = block7();
+      const b8 = text(\`
+ \`);
+      b5 = multi([b6, b7, b8]);
     }
     ctx = Object.create(ctx);
-    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['batch'].slot_ids.filter(_slot=>_slot.build_id.id&&!_slot.trigger_id.manual&&(ctx['options'].trigger_display[_slot.trigger_id.id])));;
-    for (let i1 = 0; i1 < l_block4; i1++) {
-      ctx[\`slot\`] = v_block4[i1];
+    const [k_block9, v_block9, l_block9, c_block9] = prepareList(ctx['batch'].slot_ids.filter(_slot=>_slot.build_id.id&&!_slot.trigger_id.manual&&(ctx['options'].trigger_display[_slot.trigger_id.id])));;
+    for (let i1 = 0; i1 < l_block9; i1++) {
+      ctx[\`slot\`] = v_block9[i1];
       const key1 = ctx['slot'].id;
-      c_block4[i1] = withKey(comp1({class: ctx['slot_container'],slot: ctx['slot']}, key + \`__1__\${key1}\`, node, this, null), key1);
+      const b11 = text(\`
+ \`);
+      const b12 = comp1({class: ctx['slot_container'],slot: ctx['slot']}, key + \`__1__\${key1}\`, node, this, null);
+      const b13 = text(\`
+ \`);
+      c_block9[i1] = withKey(multi([b11, b12, b13]), key1);
     }
     ctx = ctx.__proto__;
-    b4 = list(c_block4);
+    b9 = list(c_block9);
     ctx = Object.create(ctx);
-    const [k_block6, v_block6, l_block6, c_block6] = prepareList([1,2,3,4]);;
-    for (let i1 = 0; i1 < l_block6; i1++) {
-      ctx[\`x\`] = v_block6[i1];
+    const [k_block14, v_block14, l_block14, c_block14] = prepareList([1,2,3,4]);;
+    for (let i1 = 0; i1 < l_block14; i1++) {
+      ctx[\`x\`] = v_block14[i1];
       const key1 = ctx['x'];
-      c_block6[i1] = withKey(block7(), key1);
+      c_block14[i1] = withKey(block15(), key1);
     }
     ctx = ctx.__proto__;
-    b6 = list(c_block6);
+    b14 = list(c_block14);
     ctx = Object.create(ctx);
-    const [k_block8, v_block8, l_block8, c_block8] = prepareList(ctx['commit_links']);;
-    for (let i1 = 0; i1 < l_block8; i1++) {
-      ctx[\`commit_link\`] = v_block8[i1];
+    const [k_block16, v_block16, l_block16, c_block16] = prepareList(ctx['commit_links']);;
+    for (let i1 = 0; i1 < l_block16; i1++) {
+      ctx[\`commit_link\`] = v_block16[i1];
       const key1 = ctx['commit_link'].id;
-      let b10,b11,b12,b13;
+      let b18,b19,b20,b21;
       let attr5 = \`/runbot/commit/\${ctx['commit_link'].commit_id}\`;
       let attr6 = \`badge badge-light batch_commit match_type_\${ctx['commit_link'].match_type}\`;
       if (ctx['commit_link'].match_type=='new') {
-        b10 = block10();
+        b18 = block18();
       }
       if (ctx['commit_link'].match_type=='head') {
-        b11 = block11();
+        b19 = block19();
       }
       if (ctx['commit_link'].match_type=='base_match') {
-        b12 = block12();
+        b20 = block20();
       }
       if (ctx['commit_link'].match_type=='base_head') {
-        b13 = block13();
+        b21 = block21();
       }
       let txt2 = ctx['commit_link'].commit_dname;
       let attr7 = 'https://%s/commit/%s'%(ctx['commit_link'].commit_remote_url,ctx['commit_link'].commit_name);
       let txt3 = ctx['commit_link'].commit_subject;
-      c_block8[i1] = withKey(block9([attr5, attr6, txt2, attr7, txt3], [b10, b11, b12, b13]), key1);
+      c_block16[i1] = withKey(block17([attr5, attr6, txt2, attr7, txt3], [b18, b19, b20, b21]), key1);
     }
-    b8 = list(c_block8);
-    return block1([attr1, attr2, attr3, attr4, txt1], [b2, b3, b4, b6, b8]);
+    ctx = ctx.__proto__;
+    b16 = list(c_block16);
+    const b3 = block3([attr1, attr2, attr3, attr4, txt1], [b4, b5, b9, b14, b16]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -83,7 +124,6 @@ exports[`misc complex template 1`] = `
 exports[`misc global 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, isBoundary, withDefault, setContextValue, zero, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`_callee-uses-foo\`);
@@ -92,43 +132,71 @@ exports[`misc global 1`] = `
   const callTemplate_4 = app.getTemplate(\`_callee-asc\`);
   const callTemplate_5 = app.getTemplate(\`_callee-asc-toto\`);
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
-  let block4 = createBlock(\`<span><block-text-0/></span>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <block-child-1/>
+ </div>\`);
+  let block7 = createBlock(\`<span><block-text-0/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList([4,5,6]);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`value\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList([4,5,6]);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`value\`] = v_block4[i1];
       ctx[\`value_first\`] = i1 === 0;
-      ctx[\`value_last\`] = i1 === v_block2.length - 1;
+      ctx[\`value_last\`] = i1 === v_block4.length - 1;
       ctx[\`value_index\`] = i1;
-      ctx[\`value_value\`] = k_block2[i1];
+      ctx[\`value_value\`] = k_block4[i1];
       const key1 = ctx['value'];
+      const b6 = text(\`
+ \`);
       let txt1 = ctx['value'];
-      const b4 = block4([txt1]);
+      const b7 = block7([txt1]);
+      const b8 = text(\`
+ \`);
       ctx = Object.create(ctx);
       ctx[isBoundary] = 1;
+      const b10 = text(\`
+ \`);
       ctx = Object.create(ctx);
       ctx[isBoundary] = 1;
+      const b12 = text(\`
+ \`);
       setContextValue(ctx, \\"foo\\", 'aaa');
-      const b6 = callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}\`);
+      const b13 = text(\`
+ \`);
+      const b11 = multi([b12, b13]);
+      ctx[zero] = b11;
+      const b14 = callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}\`);
       ctx = ctx.__proto__;
-      const b7 = callTemplate_2.call(this, ctx, node, key + \`__2__\${key1}\`);
+      const b15 = text(\`
+ \`);
+      const b16 = callTemplate_2.call(this, ctx, node, key + \`__2__\${key1}\`);
+      const b17 = text(\`
+ \`);
       setContextValue(ctx, \\"foo\\", 'bbb');
-      const b8 = callTemplate_3.call(this, ctx, node, key + \`__3__\${key1}\`);
-      const b5 = multi([b6, b7, b8]);
-      ctx[zero] = b5;
-      const b9 = callTemplate_4.call(this, ctx, node, key + \`__4__\${key1}\`);
+      const b18 = text(\`
+ \`);
+      const b19 = callTemplate_3.call(this, ctx, node, key + \`__3__\${key1}\`);
+      const b20 = text(\`
+ \`);
+      const b9 = multi([b10, b14, b15, b16, b17, b18, b19, b20]);
+      ctx[zero] = b9;
+      const b21 = callTemplate_4.call(this, ctx, node, key + \`__4__\${key1}\`);
       ctx = ctx.__proto__;
-      c_block2[i1] = withKey(multi([b4, b9]), key1);
+      const b22 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8, b21, b22]), key1);
     }
     ctx = ctx.__proto__;
-    const b2 = list(c_block2);
-    const b10 = callTemplate_5.call(this, ctx, node, key + \`__5\`);
-    return block1([], [b2, b10]);
+    const b4 = list(c_block4);
+    const b23 = callTemplate_5.call(this, ctx, node, key + \`__5\`);
+    const b3 = block3([], [b4, b23]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -136,7 +204,6 @@ exports[`misc global 1`] = `
 exports[`misc global 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { withDefault } = helpers;
   
@@ -152,7 +219,6 @@ exports[`misc global 2`] = `
 exports[`misc global 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -169,15 +235,14 @@ exports[`misc global 3`] = `
 exports[`misc global 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
-  let { safeOutput, withDefault } = helpers;
+  let { safeOutput } = helpers;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const b3 = text(\`toto default\`);
-    const b2 = withDefault(safeOutput(ctx['toto']), b3);
+    const b2 = safeOutput(ctx['toto'], b3);
     return block1([], [b2]);
   }
 }"
@@ -186,14 +251,54 @@ exports[`misc global 4`] = `
 exports[`misc other complex template 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`LOAD_INFOS_TEMPLATE\`);
   const comp1 = app.createComponent(\`BundlesList\`, true, false, false, false);
   const comp2 = app.createComponent(\`BundlesList\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><header><nav class=\\"navbar navbar-expand-md navbar-light bg-light\\"><a block-attribute-0=\\"href\\"><b style=\\"color:#777;\\"><block-text-1/></b></a><button type=\\"button\\" class=\\"navbar-toggler\\" data-toggle=\\"collapse\\" data-target=\\"#top_menu_collapse\\"><span class=\\"navbar-toggler-icon\\"/></button><div class=\\"collapse navbar-collapse\\" id=\\"top_menu_collapse\\" aria-expanded=\\"false\\"><ul class=\\"nav navbar-nav ml-auto text-right\\" id=\\"top_menu\\"><block-child-0/><li class=\\"nav-item divider\\"/><block-child-1/></ul><div><div class=\\"input-group input-group-sm\\"><div class=\\"input-group-prepend input-group-sm\\"><button class=\\"btn btn-default fa fa-cog\\" title=\\"Settings\\" block-handler-2=\\"click\\"/><button class=\\"btn btn-default\\" block-handler-3=\\"click\\"> More </button><block-child-2/></div><input class=\\"form-control\\" type=\\"text\\" placeholder=\\"Search\\" aria-label=\\"Search\\" name=\\"search\\" block-attribute-4=\\"value\\" block-handler-5=\\"keyup\\" block-handler-6=\\"change\\" block-ref=\\"7\\"/><div class=\\"input-group-append\\"><button class=\\"btn btn-default fa fa-eraser\\" block-handler-8=\\"click\\"/></div></div></div></div></nav></header><div class=\\"container-fluid\\" block-ref=\\"9\\"><div class=\\"row\\"><!--div class=\\"form-group col-md-6\\">
+  let block3 = createBlock(\`<div>
+ <header>
+ <nav class=\\"navbar navbar-expand-md navbar-light bg-light\\">
+ <a block-attribute-0=\\"href\\">
+ <b style=\\"color:#777;\\">
+ <block-text-1/>
+ </b>
+ </a>
+ <button type=\\"button\\" class=\\"navbar-toggler\\" data-toggle=\\"collapse\\" data-target=\\"#top_menu_collapse\\">
+ <span class=\\"navbar-toggler-icon\\"/>
+ </button>
+ <div class=\\"collapse navbar-collapse\\" id=\\"top_menu_collapse\\" aria-expanded=\\"false\\">
+ <ul class=\\"nav navbar-nav ml-auto text-right\\" id=\\"top_menu\\">
+ <block-child-0/>
+ 
+ <li class=\\"nav-item divider\\"/>
+ <block-child-1/>
+ </ul>
+ 
+ <div>
+ <div class=\\"input-group input-group-sm\\">
+ <div class=\\"input-group-prepend input-group-sm\\">
+ <button class=\\"btn btn-default fa fa-cog\\" title=\\"Settings\\" block-handler-2=\\"click\\"/>
+ <button class=\\"btn btn-default\\" block-handler-3=\\"click\\">
+ More
+ </button>
+ <block-child-2/>
+ </div>
+ 
+ <input class=\\"form-control\\" type=\\"text\\" placeholder=\\"Search\\" aria-label=\\"Search\\" name=\\"search\\" block-attribute-4=\\"value\\" block-handler-5=\\"keyup\\" block-handler-6=\\"change\\" block-ref=\\"7\\"/>
+ <div class=\\"input-group-append\\">
+ <button class=\\"btn btn-default fa fa-eraser\\" block-handler-8=\\"click\\"/>
+ </div>
+ </div>
+ </div>
+ </div>
+ </nav>
+ </header>
+ 
+ <div class=\\"container-fluid\\" block-ref=\\"9\\">
+ <div class=\\"row\\">
+ <!--div class=\\"form-group col-md-6\\">
                       <h5>Search options</h5>
                       <input class=\\"form-control\\" type=\\"text\\" name=\\"default_search\\" id=\\"default_search\\" t-att-checked=\\"default_search\\" placeholder=\\"Default search\\"/>
       
@@ -206,94 +311,187 @@ exports[`misc other complex template 1`] = `
                           <input class=\\"form-check-input\\" type=\\"checkbox\\" name=\\"display_dev\\"/>
                           <label class=\\"form-check-label\\" for=\\"display_dev\\">Display dev</label>
                       </div>
-                  </div--><div class=\\"form-group col-md-6\\"><h5>Triggers</h5><block-child-3/></div></div></div><div class=\\"container-fluid frontend\\"><div class=\\"row\\"><div class=\\"col-md-12\\"><block-child-4/></div><div class=\\"col-md-12\\"><block-child-5/><block-child-6/><block-child-7/></div></div></div></div>\`);
-  let block3 = createBlock(\`<li class=\\"nav-item\\"><a class=\\"nav-link\\" href=\\"#\\" block-handler-0=\\"click\\"><block-text-1/></a></li>\`);
-  let block5 = createBlock(\`<li class=\\"nav-item dropdown\\"><b><a class=\\"nav-link\\" block-attribute-0=\\"href\\">Login</a></b></li>\`);
-  let block8 = createBlock(\`<li class=\\"nav-item\\"><a href=\\"/runbot/errors\\" class=\\"nav-link text-danger\\" block-attribute-0=\\"title\\"><i class=\\"fa fa-bug\\"/><block-text-1/></a></li>\`);
-  let block9 = createBlock(\`<li class=\\"nav-item divider\\"/>\`);
-  let block11 = createBlock(\`<li class=\\"nav-item\\"><a href=\\"/runbot/errors\\" class=\\"nav-link\\" title=\\"Random Bugs\\"><i class=\\"fa fa-bug\\"/></a></li>\`);
-  let block12 = createBlock(\`<li class=\\"nav-item divider\\"/>\`);
-  let block13 = createBlock(\`<li class=\\"nav-item dropdown\\"><a href=\\"#\\" class=\\"nav-link dropdown-toggle\\" data-toggle=\\"dropdown\\"><b><span><block-text-0/></span></b></a><div class=\\"dropdown-menu js_usermenu\\" role=\\"menu\\"><a class=\\"dropdown-item\\" id=\\"o_logout\\" role=\\"menuitem\\" block-attribute-1=\\"href\\">Logout</a><a class=\\"dropdown-item\\" role=\\"menuitem\\" block-attribute-2=\\"href\\">Web</a></div></li>\`);
-  let block14 = createBlock(\`<select class=\\"custom-select\\" name=\\"category\\" id=\\"category\\"><block-child-0/></select>\`);
-  let block16 = createBlock(\`<option block-attribute-0=\\"value\\" block-attribute-1=\\"selected\\"><block-text-2/></option>\`);
-  let block20 = createBlock(\`<div class=\\"form-check\\"><input class=\\"form-check-input\\" type=\\"checkbox\\" block-attribute-0=\\"name\\" block-attribute-1=\\"id\\" block-attribute-2=\\"checked\\" block-attribute-3=\\"data-trigger_id\\" block-handler-4=\\"change\\"/><label class=\\"form-check-label\\" block-attribute-5=\\"for\\"><block-text-6/></label></div>\`);
-  let block21 = createBlock(\`<div><button class=\\"btn btn-sm btn-default\\" block-handler-0=\\"click\\">All</button><button class=\\"btn btn-sm btn-default\\" block-handler-1=\\"click\\">None</button><button class=\\"btn btn-sm btn-info\\" block-handler-2=\\"click\\">Default</button><button class=\\"btn btn-sm btn-default\\" block-handler-3=\\"click\\">Close</button></div>\`);
-  let block23 = createBlock(\`<div class=\\"alert alert-warning\\" role=\\"alert\\"><block-text-0/> <!-- todo fixme--></div>\`);
-  let block24 = createBlock(\`<div class=\\"mb32\\"><h1>No project</h1></div>\`);
-  let block25 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
+                  </div-->
+ <div class=\\"form-group col-md-6\\">
+ <h5>Triggers</h5>
+ <block-child-3/>
+ </div>
+ </div>
+ </div>
+ 
+ <div class=\\"container-fluid frontend\\">
+ <div class=\\"row\\">
+ <div class=\\"col-md-12\\">
+ <block-child-4/>
+ </div>
+ <div class=\\"col-md-12\\">
+ <block-child-5/>
+ <block-child-6/><block-child-7/>
+ </div>
+ </div>
+ </div>
+ </div>\`);
+  let block5 = createBlock(\`<li class=\\"nav-item\\">
+ <a class=\\"nav-link\\" href=\\"#\\" block-handler-0=\\"click\\">
+ <block-text-1/>
+ </a>
+ </li>\`);
+  let block10 = createBlock(\`<li class=\\"nav-item dropdown\\">
+ <b>
+ <a class=\\"nav-link\\" block-attribute-0=\\"href\\">Login</a>
+ </b>
+ </li>\`);
+  let block16 = createBlock(\`<li class=\\"nav-item\\">
+ <a href=\\"/runbot/errors\\" class=\\"nav-link text-danger\\" block-attribute-0=\\"title\\">
+ <i class=\\"fa fa-bug\\"/><block-text-1/>
+ </a>
+ </li>\`);
+  let block18 = createBlock(\`<li class=\\"nav-item divider\\"/>\`);
+  let block22 = createBlock(\`<li class=\\"nav-item\\">
+ <a href=\\"/runbot/errors\\" class=\\"nav-link\\" title=\\"Random Bugs\\"><i class=\\"fa fa-bug\\"/></a>
+ </li>\`);
+  let block24 = createBlock(\`<li class=\\"nav-item divider\\"/>\`);
+  let block27 = createBlock(\`<li class=\\"nav-item dropdown\\">
+ <a href=\\"#\\" class=\\"nav-link dropdown-toggle\\" data-toggle=\\"dropdown\\">
+ <b>
+ <span><block-text-0/></span>
+ </b>
+ </a>
+ <div class=\\"dropdown-menu js_usermenu\\" role=\\"menu\\">
+ <a class=\\"dropdown-item\\" id=\\"o_logout\\" role=\\"menuitem\\" block-attribute-1=\\"href\\">Logout</a>
+ <a class=\\"dropdown-item\\" role=\\"menuitem\\" block-attribute-2=\\"href\\">Web</a>
+ </div>
+ </li>\`);
+  let block30 = createBlock(\`<select class=\\"custom-select\\" name=\\"category\\" id=\\"category\\">
+ <block-child-0/>
+ </select>\`);
+  let block32 = createBlock(\`<option block-attribute-0=\\"value\\" block-attribute-1=\\"selected\\"><block-text-2/></option>\`);
+  let block38 = createBlock(\`<div class=\\"form-check\\">
+ <input class=\\"form-check-input\\" type=\\"checkbox\\" block-attribute-0=\\"name\\" block-attribute-1=\\"id\\" block-attribute-2=\\"checked\\" block-attribute-3=\\"data-trigger_id\\" block-handler-4=\\"change\\"/>
+ <label class=\\"form-check-label\\" block-attribute-5=\\"for\\"><block-text-6/></label>
+ </div>\`);
+  let block41 = createBlock(\`<div>
+ <button class=\\"btn btn-sm btn-default\\" block-handler-0=\\"click\\">All</button>
+ <button class=\\"btn btn-sm btn-default\\" block-handler-1=\\"click\\">None</button>
+ <button class=\\"btn btn-sm btn-info\\" block-handler-2=\\"click\\">Default</button>
+ <button class=\\"btn btn-sm btn-default\\" block-handler-3=\\"click\\">Close</button>
+ </div>\`);
+  let block44 = createBlock(\`<div class=\\"alert alert-warning\\" role=\\"alert\\">
+ <block-text-0/> <!-- todo fixme-->
+ </div>\`);
+  let block45 = createBlock(\`<div class=\\"mb32\\">
+ <h1>No project</h1>
+ </div>\`);
+  let block46 = createBlock(\`<div>
+ <block-child-0/>
+ <block-child-1/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = (el) => refs[\`search_input\`] = el;
     const ref2 = (el) => refs[\`settings_menu\`] = el;
-    let b2,b4,b14,b17,b22,b23,b24,b25;
+    const b2 = text(\`
+ \`);
+    let b4,b6,b30,b33,b43,b44,b45,b46;
     let attr1 = \`/runbot/\${ctx['project'].slug}\`;
     let txt1 = ctx['project'].name;
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['projects']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`project\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['projects']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`project\`] = v_block4[i1];
       const key1 = ctx['project'].id;
       let hdlr1 = [ctx['selectProject'](ctx['project']), ctx];
       let txt2 = ctx['project'].name;
-      c_block2[i1] = withKey(block3([hdlr1, txt2]), key1);
+      c_block4[i1] = withKey(block5([hdlr1, txt2]), key1);
     }
     ctx = ctx.__proto__;
-    b2 = list(c_block2);
+    b4 = list(c_block4);
     if (ctx['user']) {
-      let b5,b6;
+      let b7,b8,b12,b29;
+      b7 = text(\`
+ \`);
       if (ctx['user'].public) {
+        const b9 = text(\`
+ \`);
         let attr2 = \`/web/login?redirect=/\`;
-        b5 = block5([attr2]);
+        const b10 = block10([attr2]);
+        const b11 = text(\`
+ \`);
+        b8 = multi([b9, b10, b11]);
       } else {
-        let b7,b10,b13;
+        let b13,b14,b20,b26,b27,b28;
+        b13 = text(\`
+ \`);
         if (ctx['nb_assigned_errors']&&ctx['nb_assigned_errors']>0) {
+          const b15 = text(\`
+ \`);
           let attr3 = \`You have \${ctx['nb_assigned_errors']} random bug assigned\`;
           let txt3 = ctx['nb_assigned_errors'];
-          const b8 = block8([attr3, txt3]);
-          const b9 = block9();
-          b7 = multi([b8, b9]);
+          const b16 = block16([attr3, txt3]);
+          const b17 = text(\`
+ \`);
+          const b18 = block18();
+          const b19 = text(\`
+ \`);
+          b14 = multi([b15, b16, b17, b18, b19]);
         } else if (ctx['nb_build_errors']&&ctx['nb_build_errors']>0) {
-          const b11 = block11();
-          const b12 = block12();
-          b10 = multi([b11, b12]);
+          const b21 = text(\`
+ \`);
+          const b22 = block22();
+          const b23 = text(\`
+ \`);
+          const b24 = block24();
+          const b25 = text(\`
+ \`);
+          b20 = multi([b21, b22, b23, b24, b25]);
         }
+        b26 = text(\`
+ \`);
         let txt4 = ctx['user'].name.length>25?ctx['user'].namesubstring(0,23)+'...':ctx['user'].name;
         let attr4 = \`/web/session/logout?redirect=/\`;
         let attr5 = \`/web\`;
-        b13 = block13([txt4, attr4, attr5]);
-        b6 = multi([b7, b10, b13]);
+        b27 = block27([txt4, attr4, attr5]);
+        b28 = text(\`
+ \`);
+        b12 = multi([b13, b14, b20, b26, b27, b28]);
       }
-      b4 = multi([b5, b6]);
+      b29 = text(\`
+ \`);
+      b6 = multi([b7, b8, b12, b29]);
     }
     let hdlr2 = [ctx['toggleSettingsMenu'], ctx];
     let hdlr3 = [ctx['toggleMore'], ctx];
     if (ctx['categories']&&ctx['categories'].length>1) {
       ctx = Object.create(ctx);
-      const [k_block15, v_block15, l_block15, c_block15] = prepareList(ctx['categories']);;
-      for (let i1 = 0; i1 < l_block15; i1++) {
-        ctx[\`category\`] = v_block15[i1];
+      const [k_block31, v_block31, l_block31, c_block31] = prepareList(ctx['categories']);;
+      for (let i1 = 0; i1 < l_block31; i1++) {
+        ctx[\`category\`] = v_block31[i1];
         const key1 = ctx['category'].id;
         let attr6 = ctx['category'].id;
         let attr7 = ctx['category'].id==ctx['options'].active_category_id;
         let txt5 = ctx['category'].name;
-        c_block15[i1] = withKey(block16([attr6, attr7, txt5]), key1);
+        c_block31[i1] = withKey(block32([attr6, attr7, txt5]), key1);
       }
       ctx = ctx.__proto__;
-      const b15 = list(c_block15);
-      b14 = block14([], [b15]);
+      const b31 = list(c_block31);
+      b30 = block30([], [b31]);
     }
     let attr8 = ctx['search'].value;
     let hdlr4 = [ctx['updateFilter'], ctx];
     let hdlr5 = [ctx['updateFilter'], ctx];
     let hdlr6 = [ctx['clearSearch'], ctx];
     if (ctx['triggers']) {
+      const b34 = text(\`
+ \`);
       ctx = Object.create(ctx);
-      const [k_block18, v_block18, l_block18, c_block18] = prepareList(ctx['triggers']);;
-      for (let i1 = 0; i1 < l_block18; i1++) {
-        ctx[\`trigger\`] = v_block18[i1];
+      const [k_block35, v_block35, l_block35, c_block35] = prepareList(ctx['triggers']);;
+      for (let i1 = 0; i1 < l_block35; i1++) {
+        ctx[\`trigger\`] = v_block35[i1];
         const key1 = ctx['trigger'].id;
-        let b20;
+        let b37,b38,b39;
+        b37 = text(\`
+ \`);
         if (!ctx['trigger'].manual&&ctx['trigger'].project_id===ctx['project'].id&&ctx['trigger'].category_id===ctx['options'].active_category_id) {
           let attr9 = \`trigger_\${ctx['trigger'].id}\`;
           let attr10 = \`trigger_\${ctx['trigger'].id}\`;
@@ -302,34 +500,41 @@ exports[`misc other complex template 1`] = `
           let hdlr7 = [ctx['updateTriggerDisplay'], ctx];
           let attr13 = \`trigger_\${ctx['trigger'].id}\`;
           let txt6 = ctx['trigger'].name;
-          b20 = block20([attr9, attr10, attr11, attr12, hdlr7, attr13, txt6]);
+          b38 = block38([attr9, attr10, attr11, attr12, hdlr7, attr13, txt6]);
         }
-        c_block18[i1] = withKey(multi([b20]), key1);
+        b39 = text(\`
+ \`);
+        c_block35[i1] = withKey(multi([b37, b38, b39]), key1);
       }
       ctx = ctx.__proto__;
-      const b18 = list(c_block18);
+      const b35 = list(c_block35);
+      const b40 = text(\`
+ \`);
       let hdlr8 = [ctx['triggerAll'], ctx];
       let hdlr9 = [ctx['triggerNone'], ctx];
       let hdlr10 = [ctx['triggerDefault'], ctx];
       let hdlr11 = [ctx['toggleSettingsMenu'], ctx];
-      const b21 = block21([hdlr8, hdlr9, hdlr10, hdlr11]);
-      b17 = multi([b18, b21]);
+      const b41 = block41([hdlr8, hdlr9, hdlr10, hdlr11]);
+      const b42 = text(\`
+ \`);
+      b33 = multi([b34, b35, b40, b41, b42]);
     }
     if (ctx['load_infos']) {
-      b22 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+      b43 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
     }
     if (ctx['message']) {
       let txt7 = ctx['message'];
-      b23 = block23([txt7]);
+      b44 = block44([txt7]);
     }
     if (!ctx['project']) {
-      b24 = block24();
+      b45 = block45();
     } else {
-      const b26 = comp1({bundles: ctx['bundles'].sticky,category_custom_views: ctx['category_custom_views'],search: ctx['search']}, key + \`__2\`, node, this, null);
-      const b27 = comp2({bundles: ctx['bundles'].dev,search: ctx['search']}, key + \`__3\`, node, this, null);
-      b25 = block25([], [b26, b27]);
+      const b47 = comp1({bundles: ctx['bundles'].sticky,category_custom_views: ctx['category_custom_views'],search: ctx['search']}, key + \`__2\`, node, this, null);
+      const b48 = comp2({bundles: ctx['bundles'].dev,search: ctx['search']}, key + \`__3\`, node, this, null);
+      b46 = block46([], [b47, b48]);
     }
-    return block1([attr1, txt1, hdlr2, hdlr3, attr8, hdlr4, hdlr5, ref1, hdlr6, ref2], [b2, b4, b14, b17, b22, b23, b24, b25]);
+    const b3 = block3([attr1, txt1, hdlr2, hdlr3, attr8, hdlr4, hdlr5, ref1, hdlr6, ref2], [b4, b6, b30, b33, b43, b44, b45, b46]);
+    return multi([b2, b3]);
   }
 }"
 `;

tests/compiler/__snapshots__/qweb_memory.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`memory t-foreach does not leak stuff in global scope 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   

tests/compiler/__snapshots__/simple_templates.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`simple templates, mostly static can render a table row 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<tr><td>cell</td></tr>\`);
@@ -17,7 +16,6 @@ exports[`simple templates, mostly static can render a table row 1`] = `
 exports[`simple templates, mostly static div with a class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"abc\\">foo</div>\`);
@@ -31,7 +29,6 @@ exports[`simple templates, mostly static div with a class attribute 1`] = `
 exports[`simple templates, mostly static div with a class attribute with a quote 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"a'bc\\">word</div>\`);
@@ -45,7 +42,6 @@ exports[`simple templates, mostly static div with a class attribute with a quote
 exports[`simple templates, mostly static div with a span child node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span>word</span></div>\`);
@@ -59,7 +55,6 @@ exports[`simple templates, mostly static div with a span child node 1`] = `
 exports[`simple templates, mostly static div with an arbitrary attribute with a quote 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div abc=\\"a'bc\\">word</div>\`);
@@ -73,7 +68,6 @@ exports[`simple templates, mostly static div with an arbitrary attribute with a
 exports[`simple templates, mostly static div with an empty class attribute 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>word</div>\`);
@@ -87,7 +81,6 @@ exports[`simple templates, mostly static div with an empty class attribute 1`] =
 exports[`simple templates, mostly static div with content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>foo</div>\`);
@@ -101,7 +94,6 @@ exports[`simple templates, mostly static div with content 1`] = `
 exports[`simple templates, mostly static dom node with t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -116,7 +108,6 @@ exports[`simple templates, mostly static dom node with t-esc 1`] = `
 exports[`simple templates, mostly static dom node with t-esc 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -131,7 +122,6 @@ exports[`simple templates, mostly static dom node with t-esc 2`] = `
 exports[`simple templates, mostly static dynamic text value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -143,7 +133,6 @@ exports[`simple templates, mostly static dynamic text value 1`] = `
 exports[`simple templates, mostly static empty div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -157,7 +146,6 @@ exports[`simple templates, mostly static empty div 1`] = `
 exports[`simple templates, mostly static empty string 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -169,7 +157,6 @@ exports[`simple templates, mostly static empty string 1`] = `
 exports[`simple templates, mostly static empty string in a template set 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -181,7 +168,6 @@ exports[`simple templates, mostly static empty string in a template set 1`] = `
 exports[`simple templates, mostly static inline template string in t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -193,7 +179,6 @@ exports[`simple templates, mostly static inline template string in t-esc 1`] = `
 exports[`simple templates, mostly static inline template string with content in t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -209,7 +194,6 @@ exports[`simple templates, mostly static inline template string with content in
 exports[`simple templates, mostly static inline template string with variable in context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -221,7 +205,6 @@ exports[`simple templates, mostly static inline template string with variable in
 exports[`simple templates, mostly static multiple root nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<div>foo</div>\`);
@@ -238,7 +221,6 @@ exports[`simple templates, mostly static multiple root nodes 1`] = `
 exports[`simple templates, mostly static simple string 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -250,7 +232,6 @@ exports[`simple templates, mostly static simple string 1`] = `
 exports[`simple templates, mostly static simple string in t tag 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -262,7 +243,6 @@ exports[`simple templates, mostly static simple string in t tag 1`] = `
 exports[`simple templates, mostly static static text and dynamic text (no t tag) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -276,7 +256,6 @@ exports[`simple templates, mostly static static text and dynamic text (no t tag)
 exports[`simple templates, mostly static static text and dynamic text 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -290,7 +269,6 @@ exports[`simple templates, mostly static static text and dynamic text 1`] = `
 exports[`simple templates, mostly static t-esc in dom node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -305,7 +283,6 @@ exports[`simple templates, mostly static t-esc in dom node 1`] = `
 exports[`simple templates, mostly static t-esc in dom node, variations 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hello <block-text-0/></div>\`);
@@ -320,7 +297,6 @@ exports[`simple templates, mostly static t-esc in dom node, variations 1`] = `
 exports[`simple templates, mostly static t-esc in dom node, variations 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hello <block-text-0/> world</div>\`);
@@ -335,16 +311,24 @@ exports[`simple templates, mostly static t-esc in dom node, variations 2`] = `
 exports[`simple templates, mostly static template with multiple t tag with multiple content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-text-0/><block-text-1/>Loading<block-text-2/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-text-0/>
+ 
+ <block-text-1/>
+ Loading<block-text-2/>
+ 
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['a'];
     let txt2 = ctx['b'];
     let txt3 = ctx['c'];
-    return block1([txt1, txt2, txt3]);
+    const b3 = block3([txt1, txt2, txt3]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -352,7 +336,6 @@ exports[`simple templates, mostly static template with multiple t tag with multi
 exports[`simple templates, mostly static template with t tag with multiple content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>Loading<block-child-0/></div>\`);
@@ -370,7 +353,6 @@ exports[`simple templates, mostly static template with t tag with multiple conte
 exports[`simple templates, mostly static two t-escs next to each other 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -384,7 +366,6 @@ exports[`simple templates, mostly static two t-escs next to each other 1`] = `
 exports[`simple templates, mostly static two t-escs next to each other 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -398,7 +379,6 @@ exports[`simple templates, mostly static two t-escs next to each other 2`] = `
 exports[`simple templates, mostly static two t-escs next to each other, in a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);

tests/compiler/__snapshots__/svg.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`properly support svg add proper namespace to g tags 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<g block-ns=\\"http://www.w3.org/2000/svg\\"><circle cx=\\"50\\" cy=\\"50\\" r=\\"4\\" stroke=\\"green\\" stroke-width=\\"1\\" fill=\\"yellow\\"/> </g>\`);
@@ -17,7 +16,6 @@ exports[`properly support svg add proper namespace to g tags 1`] = `
 exports[`properly support svg add proper namespace to svg 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\" width=\\"100px\\" height=\\"90px\\"><circle cx=\\"50\\" cy=\\"50\\" r=\\"4\\" stroke=\\"green\\" stroke-width=\\"1\\" fill=\\"yellow\\"/> </svg>\`);
@@ -31,7 +29,6 @@ exports[`properly support svg add proper namespace to svg 1`] = `
 exports[`properly support svg namespace to g tags not added if already in svg namespace 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\"><g/></svg>\`);
@@ -45,7 +42,6 @@ exports[`properly support svg namespace to g tags not added if already in svg na
 exports[`properly support svg namespace to svg tags added even if already in svg namespace 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\"><svg/></svg>\`);
@@ -59,20 +55,29 @@ exports[`properly support svg namespace to svg tags added even if already in svg
 exports[`properly support svg svg creates new block if it is within html -- 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block2 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\"><polygon fill=\\"#000000\\" points=\\"0 0 4 4 8 0\\" transform=\\"translate(5 7)\\"/><block-child-0/></svg>\`);
-  let block3 = createBlock(\`<path block-ns=\\"http://www.w3.org/2000/svg\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block4 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\">
+ <polygon fill=\\"#000000\\" points=\\"0 0 4 4 8 0\\" transform=\\"translate(5 7)\\"/>
+ <block-child-0/>
+ </svg>\`);
+  let block5 = createBlock(\`<path block-ns=\\"http://www.w3.org/2000/svg\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b3;
+    const b2 = text(\`
+ \`);
+    let b5;
     if (ctx['hasPath']) {
-      b3 = block3();
+      b5 = block5();
     }
-    const b2 = block2([], [b3]);
-    return block1([], [b2]);
+    const b4 = block4([], [b5]);
+    const b3 = block3([], [b4]);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b6]);
   }
 }"
 `;
@@ -80,15 +85,23 @@ exports[`properly support svg svg creates new block if it is within html -- 2 1`
 exports[`properly support svg svg creates new block if it is within html 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block2 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\"><polygon fill=\\"#000000\\" points=\\"0 0 4 4 8 0\\" transform=\\"translate(5 7)\\"/></svg>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block4 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\">
+ <polygon fill=\\"#000000\\" points=\\"0 0 4 4 8 0\\" transform=\\"translate(5 7)\\"/>
+ </svg>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = block2();
-    return block1([], [b2]);
+    const b2 = text(\`
+ \`);
+    const b4 = block4();
+    const b3 = block3([], [b4]);
+    const b5 = text(\`
+ \`);
+    return multi([b2, b3, b5]);
   }
 }"
 `;
@@ -96,7 +109,6 @@ exports[`properly support svg svg creates new block if it is within html 1`] = `
 exports[`properly support svg svg namespace added to sub templates if root tag is path 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`path\`);
   
@@ -112,7 +124,6 @@ exports[`properly support svg svg namespace added to sub templates if root tag i
 exports[`properly support svg svg namespace added to sub templates if root tag is path 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<path block-ns=\\"http://www.w3.org/2000/svg\\"/>\`);
@@ -126,7 +137,6 @@ exports[`properly support svg svg namespace added to sub templates if root tag i
 exports[`properly support svg svg namespace added to sub-blocks 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<svg block-ns=\\"http://www.w3.org/2000/svg\\"><block-child-0/></svg>\`);

tests/compiler/__snapshots__/t_debug_log.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`debugging t-debug 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -24,7 +23,6 @@ exports[`debugging t-debug 1`] = `
 exports[`debugging t-debug on sub template 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p>coucou</p>\`);
@@ -39,7 +37,6 @@ exports[`debugging t-debug on sub template 1`] = `
 exports[`debugging t-debug on sub template 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -55,11 +52,13 @@ exports[`debugging t-debug on sub template 2`] = `
 exports[`debugging t-log 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div/>\`);
+  let block1 = createBlock(\`<div>
+ 
+ 
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);

tests/compiler/__snapshots__/t_esc.test.ts.snap

@@ -3,18 +3,26 @@
 exports[`t-esc div with falsy values 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><p><block-text-0/></p><p><block-text-1/></p><p><block-text-2/></p><p><block-text-3/></p><p><block-text-4/></p></div>\`);
+  let block3 = createBlock(\`<div>
+ <p><block-text-0/></p>
+ <p><block-text-1/></p>
+ <p><block-text-2/></p>
+ <p><block-text-3/></p>
+ <p><block-text-4/></p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['v1'];
     let txt2 = ctx['v2'];
     let txt3 = ctx['v3'];
     let txt4 = ctx['v4'];
     let txt5 = ctx['v5'];
-    return block1([txt1, txt2, txt3, txt4, txt5]);
+    const b3 = block3([txt1, txt2, txt3, txt4, txt5]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -22,7 +30,6 @@ exports[`t-esc div with falsy values 1`] = `
 exports[`t-esc escaping 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -37,7 +44,6 @@ exports[`t-esc escaping 1`] = `
 exports[`t-esc escaping on a node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -52,7 +58,6 @@ exports[`t-esc escaping on a node 1`] = `
 exports[`t-esc escaping on a node with a body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { withDefault } = helpers;
   
@@ -68,7 +73,6 @@ exports[`t-esc escaping on a node with a body 1`] = `
 exports[`t-esc escaping on a node with a body, as a default 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { withDefault } = helpers;
   
@@ -84,20 +88,21 @@ exports[`t-esc escaping on a node with a body, as a default 1`] = `
 exports[`t-esc falsy values in text nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = text(ctx['v1']);
-    const b3 = text(\`:\`);
-    const b4 = text(ctx['v2']);
-    const b5 = text(\`:\`);
-    const b6 = text(ctx['v3']);
-    const b7 = text(\`:\`);
-    const b8 = text(ctx['v4']);
-    const b9 = text(\`:\`);
-    const b10 = text(ctx['v5']);
-    return multi([b2, b3, b4, b5, b6, b7, b8, b9, b10]);
+    const b2 = text(\`
+ \`);
+    const b3 = text(ctx['v1']);
+    const b4 = text(\`:\`);
+    const b5 = text(ctx['v2']);
+    const b6 = text(\`:\`);
+    const b7 = text(ctx['v3']);
+    const b8 = text(\`:\`);
+    const b9 = text(ctx['v4']);
+    const b10 = text(\`:\`);
+    const b11 = text(ctx['v5']);
+    return multi([b2, b3, b4, b5, b6, b7, b8, b9, b10, b11]);
   }
 }"
 `;
@@ -105,7 +110,6 @@ exports[`t-esc falsy values in text nodes 1`] = `
 exports[`t-esc literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -120,7 +124,6 @@ exports[`t-esc literal 1`] = `
 exports[`t-esc t-esc is escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
@@ -141,10 +144,34 @@ exports[`t-esc t-esc is escaped 1`] = `
 }"
 `;
 
+exports[`t-esc t-esc with the 0 number 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(ctx['var']);
+  }
+}"
+`;
+
+exports[`t-esc t-esc with the 0 number, in a p 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  let block1 = createBlock(\`<p><block-text-0/></p>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    let txt1 = ctx['var'];
+    return block1([txt1]);
+  }
+}"
+`;
+
 exports[`t-esc t-esc work with spread operator 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -159,7 +186,6 @@ exports[`t-esc t-esc work with spread operator 1`] = `
 exports[`t-esc t-esc=0 is escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
@@ -181,7 +207,6 @@ exports[`t-esc t-esc=0 is escaped 1`] = `
 exports[`t-esc t-esc=0 is escaped 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -194,10 +219,20 @@ exports[`t-esc t-esc=0 is escaped 2`] = `
 }"
 `;
 
+exports[`t-esc top level t-esc with undefined 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(ctx['var']);
+  }
+}"
+`;
+
 exports[`t-esc variable 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);

tests/compiler/__snapshots__/t_foreach.test.ts.snap

@@ -3,22 +3,27 @@
 exports[`t-foreach does not pollute the rendering context 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList([1]);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`item\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList([1]);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`item\`] = v_block4[i1];
       const key1 = ctx['item'];
-      c_block2[i1] = withKey(text(ctx['item']), key1);
+      c_block4[i1] = withKey(text(ctx['item']), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -26,24 +31,29 @@ exports[`t-foreach does not pollute the rendering context 1`] = `
 exports[`t-foreach iterate on items (on a element node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<span><block-text-0/></span>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<span><block-text-0/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList([1,2]);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`item\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList([1,2]);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`item\`] = v_block4[i1];
       const key1 = ctx['item'];
       let txt1 = ctx['item'];
-      c_block2[i1] = withKey(block3([txt1]), key1);
+      c_block4[i1] = withKey(block5([txt1]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -51,31 +61,38 @@ exports[`t-foreach iterate on items (on a element node) 1`] = `
 exports[`t-foreach iterate on items 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList([3,2,1]);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`item\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList([3,2,1]);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`item\`] = v_block4[i1];
       ctx[\`item_index\`] = i1;
-      ctx[\`item_value\`] = k_block2[i1];
+      ctx[\`item_value\`] = k_block4[i1];
       const key1 = ctx['item'];
-      const b4 = text(\` [\`);
-      const b5 = text(ctx['item_index']);
-      const b6 = text(\`: \`);
-      const b7 = text(ctx['item']);
-      const b8 = text(\` \`);
-      const b9 = text(ctx['item_value']);
-      const b10 = text(\`] \`);
-      c_block2[i1] = withKey(multi([b4, b5, b6, b7, b8, b9, b10]), key1);
+      const b6 = text(\`
+ [\`);
+      const b7 = text(ctx['item_index']);
+      const b8 = text(\`: \`);
+      const b9 = text(ctx['item']);
+      const b10 = text(\` \`);
+      const b11 = text(ctx['item_value']);
+      const b12 = text(\`]
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8, b9, b10, b11, b12]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -83,31 +100,38 @@ exports[`t-foreach iterate on items 1`] = `
 exports[`t-foreach iterate, dict param 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['value']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`item\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['value']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`item\`] = v_block4[i1];
       ctx[\`item_index\`] = i1;
-      ctx[\`item_value\`] = k_block2[i1];
+      ctx[\`item_value\`] = k_block4[i1];
       const key1 = ctx['item_index'];
-      const b4 = text(\` [\`);
-      const b5 = text(ctx['item_index']);
-      const b6 = text(\`: \`);
-      const b7 = text(ctx['item']);
-      const b8 = text(\` \`);
-      const b9 = text(ctx['item_value']);
-      const b10 = text(\`] \`);
-      c_block2[i1] = withKey(multi([b4, b5, b6, b7, b8, b9, b10]), key1);
+      const b6 = text(\`
+ [\`);
+      const b7 = text(ctx['item_index']);
+      const b8 = text(\`: \`);
+      const b9 = text(ctx['item']);
+      const b10 = text(\` \`);
+      const b11 = text(ctx['item_value']);
+      const b12 = text(\`]
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8, b9, b10, b11, b12]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -115,36 +139,43 @@ exports[`t-foreach iterate, dict param 1`] = `
 exports[`t-foreach iterate, position 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(Array(5));;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`elem\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(Array(5));;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`elem\`] = v_block4[i1];
       ctx[\`elem_first\`] = i1 === 0;
-      ctx[\`elem_last\`] = i1 === v_block2.length - 1;
+      ctx[\`elem_last\`] = i1 === v_block4.length - 1;
       ctx[\`elem_index\`] = i1;
       const key1 = ctx['elem'];
-      let b4,b5,b6,b7,b8,b9;
-      b4 = text(\` -\`);
+      let b6,b7,b8,b9,b10,b11;
+      b6 = text(\`
+ -\`);
       if (ctx['elem_first']) {
-        b5 = text(\` first\`);
+        b7 = text(\` first\`);
       }
       if (ctx['elem_last']) {
-        b6 = text(\` last\`);
+        b8 = text(\` last\`);
       }
-      b7 = text(\` (\`);
-      b8 = text(ctx['elem_index']);
-      b9 = text(\`) \`);
-      c_block2[i1] = withKey(multi([b4, b5, b6, b7, b8, b9]), key1);
+      b9 = text(\` (\`);
+      b10 = text(ctx['elem_index']);
+      b11 = text(\`)
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8, b9, b10, b11]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -152,22 +183,27 @@ exports[`t-foreach iterate, position 1`] = `
 exports[`t-foreach simple iteration (in a node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList([3,2,1]);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`item\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList([3,2,1]);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`item\`] = v_block4[i1];
       const key1 = ctx['item'];
-      c_block2[i1] = withKey(text(ctx['item']), key1);
+      c_block4[i1] = withKey(text(ctx['item']), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -175,7 +211,6 @@ exports[`t-foreach simple iteration (in a node) 1`] = `
 exports[`t-foreach simple iteration 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -195,26 +230,34 @@ exports[`t-foreach simple iteration 1`] = `
 exports[`t-foreach simple iteration with two nodes inside 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block3 = createBlock(\`<span>a<block-text-0/></span>\`);
-  let block4 = createBlock(\`<span>b<block-text-0/></span>\`);
+  let block6 = createBlock(\`<span>a<block-text-0/></span>\`);
+  let block8 = createBlock(\`<span>b<block-text-0/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block1, v_block1, l_block1, c_block1] = prepareList([3,2,1]);;
-    for (let i1 = 0; i1 < l_block1; i1++) {
-      ctx[\`item\`] = v_block1[i1];
+    const [k_block3, v_block3, l_block3, c_block3] = prepareList([3,2,1]);;
+    for (let i1 = 0; i1 < l_block3; i1++) {
+      ctx[\`item\`] = v_block3[i1];
       const key1 = ctx['item'];
+      const b5 = text(\`
+ \`);
       let txt1 = ctx['item'];
-      const b3 = block3([txt1]);
+      const b6 = block6([txt1]);
+      const b7 = text(\`
+ \`);
       let txt2 = ctx['item'];
-      const b4 = block4([txt2]);
-      c_block1[i1] = withKey(multi([b3, b4]), key1);
+      const b8 = block8([txt2]);
+      const b9 = text(\`
+ \`);
+      c_block3[i1] = withKey(multi([b5, b6, b7, b8, b9]), key1);
     }
-    return list(c_block1);
+    const b3 = list(c_block3);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -222,53 +265,75 @@ exports[`t-foreach simple iteration with two nodes inside 1`] = `
 exports[`t-foreach t-call with body in t-foreach in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
-  let { prepareList, isBoundary, withDefault, setContextValue, withKey } = helpers;
+  let { prepareList, isBoundary, withDefault, setContextValue, zero, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
-  let block1 = createBlock(\`<div><block-child-0/><span>[<block-text-0/>][<block-text-1/>][<block-text-2/>]</span></div>\`);
-  let block6 = createBlock(\`<span><block-text-0/></span>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <span>[<block-text-0/>][<block-text-1/>][<block-text-2/>]</span>
+ </div>\`);
+  let block16 = createBlock(\`<span><block-text-0/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['numbers']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`a\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['numbers']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`a\`] = v_block4[i1];
       ctx[\`a_first\`] = i1 === 0;
-      ctx[\`a_last\`] = i1 === v_block2.length - 1;
+      ctx[\`a_last\`] = i1 === v_block4.length - 1;
       ctx[\`a_index\`] = i1;
-      ctx[\`a_value\`] = k_block2[i1];
+      ctx[\`a_value\`] = k_block4[i1];
       const key1 = ctx['a'];
+      const b6 = text(\`
+ \`);
       ctx = Object.create(ctx);
-      const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['letters']);;
-      for (let i2 = 0; i2 < l_block4; i2++) {
-        ctx[\`b\`] = v_block4[i2];
+      const [k_block7, v_block7, l_block7, c_block7] = prepareList(ctx['letters']);;
+      for (let i2 = 0; i2 < l_block7; i2++) {
+        ctx[\`b\`] = v_block7[i2];
         ctx[\`b_first\`] = i2 === 0;
-        ctx[\`b_last\`] = i2 === v_block4.length - 1;
+        ctx[\`b_last\`] = i2 === v_block7.length - 1;
         ctx[\`b_index\`] = i2;
-        ctx[\`b_value\`] = k_block4[i2];
+        ctx[\`b_value\`] = k_block7[i2];
         const key2 = ctx['b'];
+        const b9 = text(\`
+ \`);
         ctx = Object.create(ctx);
         ctx[isBoundary] = 1;
+        const b11 = text(\`
+ \`);
         setContextValue(ctx, \\"c\\", 'x'+'_'+ctx['a']+'_'+ctx['b']);
-        c_block4[i2] = withKey(callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}__\${key2}\`), key2);
+        const b12 = text(\`
+ \`);
+        const b10 = multi([b11, b12]);
+        ctx[zero] = b10;
+        const b13 = callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}__\${key2}\`);
         ctx = ctx.__proto__;
+        const b14 = text(\`
+ \`);
+        c_block7[i2] = withKey(multi([b9, b13, b14]), key2);
       }
       ctx = ctx.__proto__;
-      const b4 = list(c_block4);
+      const b7 = list(c_block7);
+      const b15 = text(\`
+ \`);
       let txt1 = ctx['c'];
-      const b6 = block6([txt1]);
-      c_block2[i1] = withKey(multi([b4, b6]), key1);
+      const b16 = block16([txt1]);
+      const b17 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b15, b16, b17]), key1);
     }
     ctx = ctx.__proto__;
-    const b2 = list(c_block2);
+    const b4 = list(c_block4);
     let txt2 = ctx['a'];
     let txt3 = ctx['b'];
     let txt4 = ctx['c'];
-    return block1([txt2, txt3, txt4], [b2]);
+    const b3 = block3([txt2, txt3, txt4], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -276,18 +341,23 @@ exports[`t-foreach t-call with body in t-foreach in t-foreach 1`] = `
 exports[`t-foreach t-call with body in t-foreach in t-foreach 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = text(\` [\`);
-    const b3 = text(ctx['a']);
-    const b4 = text(\`] [\`);
-    const b5 = text(ctx['b']);
-    const b6 = text(\`] [\`);
-    const b7 = text(ctx['c']);
-    const b8 = text(\`] \`);
-    return multi([b2, b3, b4, b5, b6, b7, b8]);
+    const b2 = text(\`
+ \`);
+    const b3 = text(\`
+ [\`);
+    const b4 = text(ctx['a']);
+    const b5 = text(\`]
+ [\`);
+    const b6 = text(ctx['b']);
+    const b7 = text(\`]
+ [\`);
+    const b8 = text(ctx['c']);
+    const b9 = text(\`]
+ \`);
+    return multi([b2, b3, b4, b5, b6, b7, b8, b9]);
   }
 }"
 `;
@@ -295,47 +365,63 @@ exports[`t-foreach t-call with body in t-foreach in t-foreach 2`] = `
 exports[`t-foreach t-call without body in t-foreach in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
-  let block1 = createBlock(\`<div><block-child-0/><span>[<block-text-0/>][<block-text-1/>][<block-text-2/>]</span></div>\`);
-  let block6 = createBlock(\`<span><block-text-0/></span>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <span>[<block-text-0/>][<block-text-1/>][<block-text-2/>]</span>
+ </div>\`);
+  let block13 = createBlock(\`<span><block-text-0/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['numbers']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`a\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['numbers']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`a\`] = v_block4[i1];
       ctx[\`a_first\`] = i1 === 0;
-      ctx[\`a_last\`] = i1 === v_block2.length - 1;
+      ctx[\`a_last\`] = i1 === v_block4.length - 1;
       ctx[\`a_index\`] = i1;
-      ctx[\`a_value\`] = k_block2[i1];
+      ctx[\`a_value\`] = k_block4[i1];
       const key1 = ctx['a'];
+      const b6 = text(\`
+ \`);
       ctx = Object.create(ctx);
-      const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['letters']);;
-      for (let i2 = 0; i2 < l_block4; i2++) {
-        ctx[\`b\`] = v_block4[i2];
+      const [k_block7, v_block7, l_block7, c_block7] = prepareList(ctx['letters']);;
+      for (let i2 = 0; i2 < l_block7; i2++) {
+        ctx[\`b\`] = v_block7[i2];
         ctx[\`b_first\`] = i2 === 0;
-        ctx[\`b_last\`] = i2 === v_block4.length - 1;
+        ctx[\`b_last\`] = i2 === v_block7.length - 1;
         ctx[\`b_index\`] = i2;
-        ctx[\`b_value\`] = k_block4[i2];
+        ctx[\`b_value\`] = k_block7[i2];
         const key2 = ctx['b'];
-        c_block4[i2] = withKey(callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}__\${key2}\`), key2);
+        const b9 = text(\`
+ \`);
+        const b10 = callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}__\${key2}\`);
+        const b11 = text(\`
+ \`);
+        c_block7[i2] = withKey(multi([b9, b10, b11]), key2);
       }
       ctx = ctx.__proto__;
-      const b4 = list(c_block4);
+      const b7 = list(c_block7);
+      const b12 = text(\`
+ \`);
       let txt1 = ctx['c'];
-      const b6 = block6([txt1]);
-      c_block2[i1] = withKey(multi([b4, b6]), key1);
+      const b13 = block13([txt1]);
+      const b14 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b12, b13, b14]), key1);
     }
     ctx = ctx.__proto__;
-    const b2 = list(c_block2);
+    const b4 = list(c_block4);
     let txt2 = ctx['a'];
     let txt3 = ctx['b'];
     let txt4 = ctx['c'];
-    return block1([txt2, txt3, txt4], [b2]);
+    const b3 = block3([txt2, txt3, txt4], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -343,22 +429,29 @@ exports[`t-foreach t-call without body in t-foreach in t-foreach 1`] = `
 exports[`t-foreach t-call without body in t-foreach in t-foreach 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
+    const b3 = text(\`
+ \`);
     setContextValue(ctx, \\"c\\", 'x'+'_'+ctx['a']+'_'+ctx['b']);
-    const b2 = text(\` [\`);
-    const b3 = text(ctx['a']);
-    const b4 = text(\`] [\`);
-    const b5 = text(ctx['b']);
-    const b6 = text(\`] [\`);
-    const b7 = text(ctx['c']);
-    const b8 = text(\`] \`);
-    return multi([b2, b3, b4, b5, b6, b7, b8]);
+    const b4 = text(\`
+ [\`);
+    const b5 = text(ctx['a']);
+    const b6 = text(\`]
+ [\`);
+    const b7 = text(ctx['b']);
+    const b8 = text(\`]
+ [\`);
+    const b9 = text(ctx['c']);
+    const b10 = text(\`]
+ \`);
+    return multi([b2, b3, b4, b5, b6, b7, b8, b9, b10]);
   }
 }"
 `;
@@ -366,34 +459,46 @@ exports[`t-foreach t-call without body in t-foreach in t-foreach 2`] = `
 exports[`t-foreach t-foreach in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['numbers']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`number\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['numbers']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`number\`] = v_block4[i1];
       const key1 = ctx['number'];
+      const b6 = text(\`
+ \`);
       ctx = Object.create(ctx);
-      const [k_block3, v_block3, l_block3, c_block3] = prepareList(ctx['letters']);;
-      for (let i2 = 0; i2 < l_block3; i2++) {
-        ctx[\`letter\`] = v_block3[i2];
+      const [k_block7, v_block7, l_block7, c_block7] = prepareList(ctx['letters']);;
+      for (let i2 = 0; i2 < l_block7; i2++) {
+        ctx[\`letter\`] = v_block7[i2];
         const key2 = ctx['letter'];
-        const b5 = text(\` [\`);
-        const b6 = text(ctx['number']);
-        const b7 = text(ctx['letter']);
-        const b8 = text(\`] \`);
-        c_block3[i2] = withKey(multi([b5, b6, b7, b8]), key2);
+        const b9 = text(\`
+ [\`);
+        const b10 = text(ctx['number']);
+        const b11 = text(ctx['letter']);
+        const b12 = text(\`]
+ \`);
+        c_block7[i2] = withKey(multi([b9, b10, b11, b12]), key2);
       }
       ctx = ctx.__proto__;
-      c_block2[i1] = withKey(list(c_block3), key1);
+      const b7 = list(c_block7);
+      const b13 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b13]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -401,26 +506,32 @@ exports[`t-foreach t-foreach in t-foreach 1`] = `
 exports[`t-foreach t-foreach with t-if inside (no external node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block3 = createBlock(\`<span><block-text-0/></span>\`);
+  let block6 = createBlock(\`<span><block-text-0/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block1, v_block1, l_block1, c_block1] = prepareList(ctx['elems']);;
-    for (let i1 = 0; i1 < l_block1; i1++) {
-      ctx[\`elem\`] = v_block1[i1];
+    const [k_block3, v_block3, l_block3, c_block3] = prepareList(ctx['elems']);;
+    for (let i1 = 0; i1 < l_block3; i1++) {
+      ctx[\`elem\`] = v_block3[i1];
       const key1 = ctx['elem'].id;
-      let b3;
+      let b5,b6,b7;
+      b5 = text(\`
+ \`);
       if (ctx['elem'].id<3) {
         let txt1 = ctx['elem'].text;
-        b3 = block3([txt1]);
+        b6 = block6([txt1]);
       }
-      c_block1[i1] = withKey(multi([b3]), key1);
+      b7 = text(\`
+ \`);
+      c_block3[i1] = withKey(multi([b5, b6, b7]), key1);
     }
-    return list(c_block1);
+    const b3 = list(c_block3);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -428,28 +539,37 @@ exports[`t-foreach t-foreach with t-if inside (no external node) 1`] = `
 exports[`t-foreach t-foreach with t-if inside 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block4 = createBlock(\`<span><block-text-0/></span>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block7 = createBlock(\`<span><block-text-0/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['elems']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`elem\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['elems']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`elem\`] = v_block4[i1];
       const key1 = ctx['elem'].id;
-      let b4;
+      let b6,b7,b8;
+      b6 = text(\`
+ \`);
       if (ctx['elem'].id<3) {
         let txt1 = ctx['elem'].text;
-        b4 = block4([txt1]);
+        b7 = block7([txt1]);
       }
-      c_block2[i1] = withKey(multi([b4]), key1);
+      b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -457,23 +577,33 @@ exports[`t-foreach t-foreach with t-if inside 1`] = `
 exports[`t-foreach t-key on t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<span/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block7 = createBlock(\`<span/>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['things']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`thing\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['things']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`thing\`] = v_block4[i1];
       const key1 = ctx['thing'];
-      c_block2[i1] = withKey(block3(), key1);
+      const b6 = text(\`
+ \`);
+      const b7 = block7();
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -481,7 +611,6 @@ exports[`t-foreach t-key on t-foreach 1`] = `
 exports[`t-foreach throws error if invalid loop expression 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
@@ -507,37 +636,45 @@ exports[`t-foreach throws error if invalid loop expression 1`] = `
 exports[`t-foreach with t-memo 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<p><block-text-0/><block-text-1/></p>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<p>
+ <block-text-0/>
+ <block-text-1/>
+ </p>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let cache = ctx.cache || {};
     let nextCache = ctx.cache = {};
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['items']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`item\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['items']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`item\`] = v_block4[i1];
       const key1 = ctx['item'].id;
       const memo1 = [ctx['item'].x];
       const vnode1 = cache[key1];;
       if (vnode1) {
         if (shallowEqual(vnode1.memo, memo1)) {
-          c_block2[i1] = vnode1;
+          c_block4[i1] = vnode1;
           nextCache[key1] = vnode1;
           continue;
         }
       }
       let txt1 = ctx['item'].x;
       let txt2 = ctx['item'].y;
-      c_block2[i1] = withKey(block3([txt1, txt2]), key1);
-      nextCache[key1] = Object.assign(c_block2[i1], {memo: memo1});
+      c_block4[i1] = withKey(block5([txt1, txt2]), key1);
+      nextCache[key1] = Object.assign(c_block4[i1], {memo: memo1});
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;

tests/compiler/__snapshots__/t_if.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-if a t-if next to a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<div>foo</div>\`);
@@ -22,7 +21,6 @@ exports[`t-if a t-if next to a div 1`] = `
 exports[`t-if a t-if with two inner nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block3 = createBlock(\`<span>yip</span>\`);
@@ -43,21 +41,22 @@ exports[`t-if a t-if with two inner nodes 1`] = `
 exports[`t-if boolean value condition elif (no outside node) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3,b4,b5;
+    let b2,b3,b4,b5,b6;
+    b2 = text(\`
+ \`);
     if (ctx['color']=='black') {
-      b2 = text(\`black pearl\`);
+      b3 = text(\`black pearl\`);
     } else if (ctx['color']=='yellow') {
-      b3 = text(\`yellow submarine\`);
+      b4 = text(\`yellow submarine\`);
     } else if (ctx['color']=='red') {
-      b4 = text(\`red is dead\`);
+      b5 = text(\`red is dead\`);
     } else {
-      b5 = text(\`beer\`);
+      b6 = text(\`beer\`);
     }
-    return multi([b2, b3, b4, b5]);
+    return multi([b2, b3, b4, b5, b6]);
   }
 }"
 `;
@@ -65,23 +64,27 @@ exports[`t-if boolean value condition elif (no outside node) 1`] = `
 exports[`t-if boolean value condition elif 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-1/><block-child-2/><block-child-3/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/><block-child-1/><block-child-2/><block-child-3/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3,b4,b5;
+    const b2 = text(\`
+ \`);
+    let b4,b5,b6,b7;
     if (ctx['color']=='black') {
-      b2 = text(\`black pearl\`);
+      b4 = text(\`black pearl\`);
     } else if (ctx['color']=='yellow') {
-      b3 = text(\`yellow submarine\`);
+      b5 = text(\`yellow submarine\`);
     } else if (ctx['color']=='red') {
-      b4 = text(\`red is dead\`);
+      b6 = text(\`red is dead\`);
     } else {
-      b5 = text(\`beer\`);
+      b7 = text(\`beer\`);
     }
-    return block1([], [b2, b3, b4, b5]);
+    const b3 = block3([], [b4, b5, b6, b7]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -89,19 +92,25 @@ exports[`t-if boolean value condition elif 1`] = `
 exports[`t-if boolean value condition else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><span>begin</span><block-child-0/><block-child-1/><span>end</span></div>\`);
+  let block3 = createBlock(\`<div>
+ <span>begin</span>
+ <block-child-0/><block-child-1/>
+ <span>end</span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3;
+    const b2 = text(\`
+ \`);
+    let b4,b5;
     if (ctx['condition']) {
-      b2 = text(\`ok\`);
+      b4 = text(\`ok\`);
     } else {
-      b3 = text(\`ok-else\`);
+      b5 = text(\`ok-else\`);
     }
-    return block1([], [b2, b3]);
+    const b3 = block3([], [b4, b5]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -109,19 +118,21 @@ exports[`t-if boolean value condition else 1`] = `
 exports[`t-if boolean value condition false else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><span>begin</span><block-child-0/><block-child-1/><span>end</span></div>\`);
+  let block3 = createBlock(\`<div><span>begin</span><block-child-0/><block-child-1/><span>end</span></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3;
+    const b2 = text(\`
+ \`);
+    let b4,b5;
     if (ctx['condition']) {
-      b2 = text(\`fail\`);
+      b4 = text(\`fail\`);
     } else {
-      b3 = text(\`fail-else\`);
+      b5 = text(\`fail-else\`);
     }
-    return block1([], [b2, b3]);
+    const b3 = block3([], [b4, b5]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -129,7 +140,6 @@ exports[`t-if boolean value condition false else 1`] = `
 exports[`t-if boolean value condition missing 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
@@ -147,38 +157,49 @@ exports[`t-if boolean value condition missing 1`] = `
 exports[`t-if can use some boolean operators in expressions 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-1/><block-child-2/><block-child-3/><block-child-4/><block-child-5/><block-child-6/><block-child-7/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <block-child-1/>
+ <block-child-2/>
+ <block-child-3/>
+ <block-child-4/>
+ <block-child-5/>
+ <block-child-6/>
+ <block-child-7/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3,b4,b5,b6,b7,b8,b9;
+    const b2 = text(\`
+ \`);
+    let b4,b5,b6,b7,b8,b9,b10,b11;
     if (ctx['cond1']&&ctx['cond2']) {
-      b2 = text(\`and\`);
+      b4 = text(\`and\`);
     }
     if (ctx['cond1']&&ctx['cond3']) {
-      b3 = text(\`nope\`);
-    }
-    if (ctx['cond1']||ctx['cond3']) {
-      b4 = text(\`or\`);
-    }
-    if (ctx['cond3']||ctx['cond4']) {
       b5 = text(\`nope\`);
     }
+    if (ctx['cond1']||ctx['cond3']) {
+      b6 = text(\`or\`);
+    }
+    if (ctx['cond3']||ctx['cond4']) {
+      b7 = text(\`nope\`);
+    }
     if (ctx['m']>3) {
-      b6 = text(\`mgt\`);
+      b8 = text(\`mgt\`);
     }
     if (ctx['n']>3) {
-      b7 = text(\`ngt\`);
+      b9 = text(\`ngt\`);
     }
     if (ctx['m']<3) {
-      b8 = text(\`mlt\`);
+      b10 = text(\`mlt\`);
     }
     if (ctx['n']<3) {
-      b9 = text(\`nlt\`);
+      b11 = text(\`nlt\`);
     }
-    return block1([], [b2, b3, b4, b5, b6, b7, b8, b9]);
+    const b3 = block3([], [b4, b5, b6, b7, b8, b9, b10, b11]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -186,7 +207,6 @@ exports[`t-if can use some boolean operators in expressions 1`] = `
 exports[`t-if div containing a t-if with two inner nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -208,7 +228,6 @@ exports[`t-if div containing a t-if with two inner nodes 1`] = `
 exports[`t-if dynamic content after t-if with two children nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
@@ -231,7 +250,6 @@ exports[`t-if dynamic content after t-if with two children nodes 1`] = `
 exports[`t-if just a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -247,7 +265,6 @@ exports[`t-if just a t-if 1`] = `
 exports[`t-if simple t-if/t-else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -265,7 +282,6 @@ exports[`t-if simple t-if/t-else 1`] = `
 exports[`t-if simple t-if/t-else in a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -285,7 +301,6 @@ exports[`t-if simple t-if/t-else in a div 1`] = `
 exports[`t-if t-esc with t-elif 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -305,7 +320,6 @@ exports[`t-if t-esc with t-elif 1`] = `
 exports[`t-if t-esc with t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -323,7 +337,6 @@ exports[`t-if t-esc with t-if 1`] = `
 exports[`t-if t-if and t-else with two nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block4 = createBlock(\`<span>a</span>\`);
@@ -346,7 +359,6 @@ exports[`t-if t-if and t-else with two nodes 1`] = `
 exports[`t-if t-if in a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -364,7 +376,6 @@ exports[`t-if t-if in a div 1`] = `
 exports[`t-if t-if in a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);
@@ -387,7 +398,6 @@ exports[`t-if t-if in a t-if 1`] = `
 exports[`t-if t-if with empty content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -404,7 +414,6 @@ exports[`t-if t-if with empty content 1`] = `
 exports[`t-if t-if/t-else with more content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -424,21 +433,26 @@ exports[`t-if t-if/t-else with more content 1`] = `
 exports[`t-if t-set, then t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
-    let b2;
+    const b2 = text(\`
+ \`);
+    let b4;
     setContextValue(ctx, \\"title\\", 'test');
     if (ctx['title']) {
-      b2 = text(ctx['title']);
+      b4 = text(ctx['title']);
     }
-    return block1([], [b2]);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -446,23 +460,29 @@ exports[`t-if t-set, then t-if 1`] = `
 exports[`t-if t-set, then t-if, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block2 = createBlock(\`<span>COUCOU</span>\`);
+  let block3 = createBlock(\`<div>
+ 
+ 
+ <block-child-0/>
+ </div>\`);
+  let block4 = createBlock(\`<span>COUCOU</span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
-    let b2;
+    const b2 = text(\`
+ \`);
+    let b4;
     setContextValue(ctx, \\"y\\", true);
     setContextValue(ctx, \\"x\\", ctx['y']);
     if (ctx['x']) {
-      b2 = block2();
+      b4 = block4();
     }
-    return block1([], [b2]);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -470,26 +490,32 @@ exports[`t-if t-set, then t-if, part 2 1`] = `
 exports[`t-if t-set, then t-if, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
-  let block2 = createBlock(\`<span>AAA</span>\`);
-  let block3 = createBlock(\`<span>BBB</span>\`);
+  let block3 = createBlock(\`<div>
+ 
+ 
+ <block-child-0/><block-child-1/>
+ </div>\`);
+  let block4 = createBlock(\`<span>AAA</span>\`);
+  let block5 = createBlock(\`<span>BBB</span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
-    let b2,b3;
+    const b2 = text(\`
+ \`);
+    let b4,b5;
     setContextValue(ctx, \\"y\\", false);
     setContextValue(ctx, \\"x\\", ctx['y']);
     if (ctx['x']) {
-      b2 = block2();
+      b4 = block4();
     } else if (!ctx['x']) {
-      b3 = block3();
+      b5 = block5();
     }
-    return block1([], [b2, b3]);
+    const b3 = block3([], [b4, b5]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -497,7 +523,6 @@ exports[`t-if t-set, then t-if, part 3 1`] = `
 exports[`t-if two consecutive t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -516,7 +541,6 @@ exports[`t-if two consecutive t-if 1`] = `
 exports[`t-if two consecutive t-if in a div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
@@ -537,7 +561,6 @@ exports[`t-if two consecutive t-if in a div 1`] = `
 exports[`t-if two t-ifs next to each other 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);

tests/compiler/__snapshots__/t_key.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-key can use t-key directive on a node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -19,7 +18,6 @@ exports[`t-key can use t-key directive on a node 1`] = `
 exports[`t-key can use t-key directive on a node 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -35,7 +33,6 @@ exports[`t-key can use t-key directive on a node 2 1`] = `
 exports[`t-key can use t-key directive on a node as a function 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -51,11 +48,12 @@ exports[`t-key can use t-key directive on a node as a function 1`] = `
 exports[`t-key t-key directive in a list 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<ul><block-child-0/></ul>\`);
+  let block1 = createBlock(\`<ul>
+ <block-child-0/>
+ </ul>\`);
   let block3 = createBlock(\`<li><block-text-0/></li>\`);
   
   return function template(ctx, node, key = \\"\\") {
@@ -67,6 +65,7 @@ exports[`t-key t-key directive in a list 1`] = `
       let txt1 = ctx['beer'].name;
       c_block2[i1] = withKey(block3([txt1]), key1);
     }
+    ctx = ctx.__proto__;
     const b2 = list(c_block2);
     return block1([], [b2]);
   }
@@ -76,21 +75,28 @@ exports[`t-key t-key directive in a list 1`] = `
 exports[`t-key t-key on sub dom node pushes a child block in its parent 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
-  let block2 = createBlock(\`<span/>\`);
-  let block3 = createBlock(\`<div><h1/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <block-child-1/>
+ </div>\`);
+  let block4 = createBlock(\`<span/>\`);
+  let block5 = createBlock(\`<div><h1/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3;
+    const b2 = text(\`
+ \`);
+    let b4,b5;
     if (ctx['hasSpan']) {
-      b2 = block2();
+      b4 = block4();
     }
     const tKey_1 = ctx['key'];
-    b3 = toggler(tKey_1, block3());
-    return block1([], [b2, b3]);
+    b5 = toggler(tKey_1, block5());
+    const b3 = block3([], [b4, b5]);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b6]);
   }
 }"
 `;
@@ -98,7 +104,6 @@ exports[`t-key t-key on sub dom node pushes a child block in its parent 1`] = `
 exports[`t-key t-key on sub dom node pushes a child block in its parent 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><h1/></div>\`);

tests/compiler/__snapshots__/t_out.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-out literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -19,7 +18,6 @@ exports[`t-out literal 1`] = `
 exports[`t-out literal, no outside html element 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -32,21 +30,31 @@ exports[`t-out literal, no outside html element 1`] = `
 exports[`t-out multiple calls to t-out 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block2 = createBlock(\`<span>coucou</span>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block6 = createBlock(\`<span>coucou</span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1;
-    const b2 = block2();
-    ctx[zero] = b2;
-    const b3 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
-    return block1([], [b3]);
+    const b5 = text(\`
+ \`);
+    const b6 = block6();
+    const b7 = text(\`
+ \`);
+    const b4 = multi([b5, b6, b7]);
+    ctx[zero] = b4;
+    const b8 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+    ctx = ctx.__proto__;
+    const b3 = block3([], [b8]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -54,16 +62,22 @@ exports[`t-out multiple calls to t-out 1`] = `
 exports[`t-out multiple calls to t-out 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><div>Greeter</div><block-child-1/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <div>Greeter</div>
+ <block-child-1/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = ctx[zero];
-    const b3 = ctx[zero];
-    return block1([], [b2, b3]);
+    const b2 = text(\`
+ \`);
+    const b4 = ctx[zero];
+    const b5 = ctx[zero];
+    const b3 = block3([], [b4, b5]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -71,7 +85,6 @@ exports[`t-out multiple calls to t-out 2`] = `
 exports[`t-out not escaping 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -87,7 +100,6 @@ exports[`t-out not escaping 1`] = `
 exports[`t-out number literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -103,7 +115,6 @@ exports[`t-out number literal 1`] = `
 exports[`t-out t-out 0 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`_basic-callee\`);
@@ -125,7 +136,6 @@ exports[`t-out t-out 0 1`] = `
 exports[`t-out t-out 0 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { zero } = helpers;
   
@@ -141,7 +151,6 @@ exports[`t-out t-out 0 2`] = `
 exports[`t-out t-out and another sibling node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -157,7 +166,6 @@ exports[`t-out t-out and another sibling node 1`] = `
 exports[`t-out t-out bdom 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue, safeOutput } = helpers;
   
@@ -181,7 +189,6 @@ exports[`t-out t-out bdom 1`] = `
 exports[`t-out t-out block 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -197,7 +204,6 @@ exports[`t-out t-out block 1`] = `
 exports[`t-out t-out escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -213,7 +219,6 @@ exports[`t-out t-out escaped 1`] = `
 exports[`t-out t-out markedup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -229,15 +234,14 @@ exports[`t-out t-out markedup 1`] = `
 exports[`t-out t-out on a node with a body, as a default 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
-  let { safeOutput, withDefault } = helpers;
+  let { safeOutput } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const b3 = text(\`nope\`);
-    const b2 = withDefault(safeOutput(ctx['var']), b3);
+    const b2 = safeOutput(ctx['var'], b3);
     return block1([], [b2]);
   }
 }"
@@ -246,16 +250,15 @@ exports[`t-out t-out on a node with a body, as a default 1`] = `
 exports[`t-out t-out on a node with a dom node in body, as a default 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
-  let { safeOutput, withDefault } = helpers;
+  let { safeOutput } = helpers;
   
   let block1 = createBlock(\`<span><block-child-0/></span>\`);
   let block3 = createBlock(\`<div>nope</div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const b3 = block3();
-    const b2 = withDefault(safeOutput(ctx['var']), b3);
+    const b2 = safeOutput(ctx['var'], b3);
     return block1([], [b2]);
   }
 }"
@@ -264,7 +267,6 @@ exports[`t-out t-out on a node with a dom node in body, as a default 1`] = `
 exports[`t-out t-out switch escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -280,7 +282,6 @@ exports[`t-out t-out switch escaped 1`] = `
 exports[`t-out t-out switch escaped on markup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -296,7 +297,6 @@ exports[`t-out t-out switch escaped on markup 1`] = `
 exports[`t-out t-out switch markup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -312,14 +312,16 @@ exports[`t-out t-out switch markup 1`] = `
 exports[`t-out t-out switch markup on bdom 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue, safeOutput } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
+  let block1 = createBlock(\`<div>
+ 
+ <block-child-0/><block-child-1/>
+ </div>\`);
   let block2 = createBlock(\`<ol>set</ol>\`);
-  let block3 = createBlock(\`<span><block-child-0/></span>\`);
   let block5 = createBlock(\`<span><block-child-0/></span>\`);
+  let block10 = createBlock(\`<span><block-child-0/></span>\`);
   
   function value1(ctx, node, key = \\"\\") {
     return block2();
@@ -328,16 +330,26 @@ exports[`t-out t-out switch markup on bdom 1`] = `
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
-    let b3,b5;
+    let b3,b8;
     ctx[\`bdom\`] = new LazyValue(value1, ctx, this, node);
     if (ctx['hasBdom']) {
-      const b4 = safeOutput(ctx['bdom']);
-      b3 = block3([], [b4]);
+      const b4 = text(\`
+ \`);
+      const b6 = safeOutput(ctx['bdom']);
+      const b5 = block5([], [b6]);
+      const b7 = text(\`
+ \`);
+      b3 = multi([b4, b5, b7]);
     } else {
-      const b6 = safeOutput(ctx['var']);
-      b5 = block5([], [b6]);
+      const b9 = text(\`
+ \`);
+      const b11 = safeOutput(ctx['var']);
+      const b10 = block10([], [b11]);
+      const b12 = text(\`
+ \`);
+      b8 = multi([b9, b10, b12]);
     }
-    return block1([], [b3, b5]);
+    return block1([], [b3, b8]);
   }
 }"
 `;
@@ -345,7 +357,6 @@ exports[`t-out t-out switch markup on bdom 1`] = `
 exports[`t-out t-out switch markup on escaped 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -361,7 +372,6 @@ exports[`t-out t-out switch markup on escaped 1`] = `
 exports[`t-out t-out with a <t/> in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -374,7 +384,6 @@ exports[`t-out t-out with a <t/> in body 1`] = `
 exports[`t-out t-out with arbitrary object 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -390,7 +399,6 @@ exports[`t-out t-out with arbitrary object 1`] = `
 exports[`t-out t-out with arbitrary object 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -406,7 +414,6 @@ exports[`t-out t-out with arbitrary object 2 1`] = `
 exports[`t-out t-out with comment 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -422,7 +429,45 @@ exports[`t-out t-out with comment 1`] = `
 exports[`t-out t-out with just a t-set t-value in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  let { safeOutput } = helpers;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return safeOutput(ctx['var']);
+  }
+}"
+`;
+
+exports[`t-out t-out with the 0 number 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  let { safeOutput } = helpers;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return safeOutput(ctx['var']);
+  }
+}"
+`;
+
+exports[`t-out t-out with the 0 number, in a p 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  let { safeOutput } = helpers;
+  
+  let block1 = createBlock(\`<p><block-child-0/></p>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const b2 = safeOutput(ctx['var']);
+    return block1([], [b2]);
+  }
+}"
+`;
+
+exports[`t-out top level t-out with undefined 1`] = `
+"function anonymous(app, bdom, helpers
+) {
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -435,7 +480,6 @@ exports[`t-out t-out with just a t-set t-value in body 1`] = `
 exports[`t-out variable 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -451,7 +495,6 @@ exports[`t-out variable 1`] = `
 exports[`t-out with a String class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -467,7 +510,6 @@ exports[`t-out with a String class 1`] = `
 exports[`t-out with an extended String class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -483,7 +525,6 @@ exports[`t-out with an extended String class 1`] = `
 exports[`t-raw is deprecated should warn 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
@@ -499,7 +540,6 @@ exports[`t-raw is deprecated should warn 1`] = `
 exports[`t-raw is deprecated t-out is actually called in t-raw's place 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   

tests/compiler/__snapshots__/t_ref.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-ref can get a dynamic ref on a node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span block-ref=\\"0\\"/></div>\`);
@@ -20,7 +19,6 @@ exports[`t-ref can get a dynamic ref on a node 1`] = `
 exports[`t-ref can get a dynamic ref on a node, alternate syntax 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span block-ref=\\"0\\"/></div>\`);
@@ -37,7 +35,6 @@ exports[`t-ref can get a dynamic ref on a node, alternate syntax 1`] = `
 exports[`t-ref can get a ref on a node 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><span block-ref=\\"0\\"/></div>\`);
@@ -53,7 +50,6 @@ exports[`t-ref can get a ref on a node 1`] = `
 exports[`t-ref ref in a t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
@@ -69,7 +65,6 @@ exports[`t-ref ref in a t-call 1`] = `
 exports[`t-ref ref in a t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>1<span block-ref=\\"0\\"/>2</div>\`);
@@ -85,20 +80,29 @@ exports[`t-ref ref in a t-call 2`] = `
 exports[`t-ref ref in a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block2 = createBlock(\`<span block-ref=\\"0\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block6 = createBlock(\`<span block-ref=\\"0\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = (el) => refs[\`name\`] = el;
-    let b2;
+    const b2 = text(\`
+ \`);
+    let b4;
     if (ctx['condition']) {
-      b2 = block2([ref1]);
+      const b5 = text(\`
+ \`);
+      const b6 = block6([ref1]);
+      const b7 = text(\`
+ \`);
+      b4 = multi([b5, b6, b7]);
     }
-    return block1([], [b2]);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -106,12 +110,13 @@ exports[`t-ref ref in a t-if 1`] = `
 exports[`t-ref refs in a loop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<div block-ref=\\"0\\"><block-text-1/></div>\`);
+  let block1 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<div block-ref=\\"0\\"><block-text-1/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
@@ -120,12 +125,18 @@ exports[`t-ref refs in a loop 1`] = `
     for (let i1 = 0; i1 < l_block2; i1++) {
       ctx[\`item\`] = v_block2[i1];
       const key1 = ctx['item'];
+      const b4 = text(\`
+ \`);
       const tKey_1 = ctx['item'];
       const v1 = ctx['item'];
       let ref1 = (el) => refs[(v1)] = el;
       let txt1 = ctx['item'];
-      c_block2[i1] = withKey(block3([ref1, txt1]), tKey_1 + key1);
+      const b5 = toggler(tKey_1, block5([ref1, txt1]));
+      const b6 = text(\`
+ \`);
+      c_block2[i1] = withKey(multi([b4, b5, b6]), key1);
     }
+    ctx = ctx.__proto__;
     const b2 = list(c_block2);
     return block1([], [b2]);
   }
@@ -135,21 +146,31 @@ exports[`t-ref refs in a loop 1`] = `
 exports[`t-ref two refs, one in a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-child-0/><p block-ref=\\"0\\"/></div>\`);
-  let block2 = createBlock(\`<span block-ref=\\"0\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <p block-ref=\\"0\\"/>
+ </div>\`);
+  let block6 = createBlock(\`<span block-ref=\\"0\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = (el) => refs[\`name\`] = el;
     const ref2 = (el) => refs[\`p\`] = el;
-    let b2;
+    const b2 = text(\`
+ \`);
+    let b4;
     if (ctx['condition']) {
-      b2 = block2([ref1]);
+      const b5 = text(\`
+ \`);
+      const b6 = block6([ref1]);
+      const b7 = text(\`
+ \`);
+      b4 = multi([b5, b6, b7]);
     }
-    return block1([ref2], [b2]);
+    const b3 = block3([ref2], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;

tests/compiler/__snapshots__/t_set.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-set evaluate value expression 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -22,7 +21,6 @@ exports[`t-set evaluate value expression 1`] = `
 exports[`t-set evaluate value expression, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -41,7 +39,6 @@ exports[`t-set evaluate value expression, part 2 1`] = `
 exports[`t-set set from attribute literal (no outside div) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -57,7 +54,6 @@ exports[`t-set set from attribute literal (no outside div) 1`] = `
 exports[`t-set set from attribute literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -76,7 +72,6 @@ exports[`t-set set from attribute literal 1`] = `
 exports[`t-set set from attribute lookup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -95,25 +90,37 @@ exports[`t-set set from attribute lookup 1`] = `
 exports[`t-set set from body literal (with t-if/t-else 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
   function value1(ctx, node, key = \\"\\") {
-    let b2,b3;
+    let b5,b6,b7,b8;
+    b5 = text(\`
+ \`);
     if (ctx['condition']) {
-      b2 = text(\`true\`);
+      b6 = text(\`true\`);
     } else {
-      b3 = text(\`false\`);
+      b7 = text(\`false\`);
     }
-    return multi([b2, b3]);
+    b8 = text(\`
+ \`);
+    return multi([b5, b6, b7, b8]);
   }
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
+    const b3 = text(\`
+ \`);
     ctx[\`value\`] = new LazyValue(value1, ctx, this, node);
-    return text(ctx['value']);
+    const b9 = text(\`
+ \`);
+    const b10 = text(ctx['value']);
+    const b11 = text(\`
+ \`);
+    return multi([b2, b3, b9, b10, b11]);
   }
 }"
 `;
@@ -121,7 +128,6 @@ exports[`t-set set from body literal (with t-if/t-else 1`] = `
 exports[`t-set set from body literal 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -137,7 +143,6 @@ exports[`t-set set from body literal 1`] = `
 exports[`t-set set from body lookup 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
@@ -160,7 +165,6 @@ exports[`t-set set from body lookup 1`] = `
 exports[`t-set set from empty body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -179,21 +183,26 @@ exports[`t-set set from empty body 1`] = `
 exports[`t-set t-set and t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
-    let b2;
+    const b2 = text(\`
+ \`);
+    let b4;
     setContextValue(ctx, \\"v\\", ctx['value']);
     if (ctx['v']==='ok') {
-      b2 = text(\`grimbergen\`);
+      b4 = text(\`grimbergen\`);
     }
-    return block1([], [b2]);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -201,26 +210,38 @@ exports[`t-set t-set and t-if 1`] = `
 exports[`t-set t-set body is evaluated immediately 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, LazyValue, safeOutput } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block2 = createBlock(\`<span><block-text-0/></span>\`);
+  let block3 = createBlock(\`<div>
+ 
+ 
+ 
+ <block-child-0/>
+ </div>\`);
+  let block6 = createBlock(\`<span><block-text-0/></span>\`);
   
   function value1(ctx, node, key = \\"\\") {
+    const b5 = text(\`
+ \`);
     let txt1 = ctx['v1'];
-    return block2([txt1]);
+    const b6 = block6([txt1]);
+    const b7 = text(\`
+ \`);
+    return multi([b5, b6, b7]);
   }
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"v1\\", 'before');
     ctx[\`v2\`] = new LazyValue(value1, ctx, this, node);
     setContextValue(ctx, \\"v1\\", 'after');
-    const b3 = safeOutput(ctx['v2']);
-    return block1([], [b3]);
+    const b8 = safeOutput(ctx['v2']);
+    const b3 = block3([], [b8]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -228,21 +249,30 @@ exports[`t-set t-set body is evaluated immediately 1`] = `
 exports[`t-set t-set can't alter from within callee 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
-  let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/><p><block-text-1/></p></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <p><block-text-0/></p>
+ <block-child-0/>
+ <p><block-text-1/></p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 'source');
     let txt1 = ctx['iter'];
-    const b2 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+    const b4 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
     let txt2 = ctx['iter'];
-    return block1([txt1, txt2], [b2]);
+    const b3 = block3([txt1, txt2], [b4]);
+    const b5 = text(\`
+ \`);
+    return multi([b2, b3, b5]);
   }
 }"
 `;
@@ -250,7 +280,6 @@ exports[`t-set t-set can't alter from within callee 1`] = `
 exports[`t-set t-set can't alter from within callee 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -270,25 +299,40 @@ exports[`t-set t-set can't alter from within callee 2`] = `
 exports[`t-set t-set can't alter in t-call body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
-  let { isBoundary, withDefault, setContextValue } = helpers;
+  let { isBoundary, withDefault, setContextValue, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   
-  let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/><p><block-text-1/></p></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <p><block-text-0/></p>
+ <block-child-0/>
+ <p><block-text-1/></p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 'source');
     let txt1 = ctx['iter'];
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1;
+    const b5 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 'inCall');
-    const b2 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+    const b6 = text(\`
+ \`);
+    const b4 = multi([b5, b6]);
+    ctx[zero] = b4;
+    const b7 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
     ctx = ctx.__proto__;
     let txt2 = ctx['iter'];
-    return block1([txt1, txt2], [b2]);
+    const b3 = block3([txt1, txt2], [b7]);
+    const b8 = text(\`
+ \`);
+    return multi([b2, b3, b8]);
   }
 }"
 `;
@@ -296,7 +340,6 @@ exports[`t-set t-set can't alter in t-call body 1`] = `
 exports[`t-set t-set can't alter in t-call body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -316,7 +359,6 @@ exports[`t-set t-set can't alter in t-call body 2`] = `
 exports[`t-set t-set does not modify render context existing key values 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -335,19 +377,25 @@ exports[`t-set t-set does not modify render context existing key values 1`] = `
 exports[`t-set t-set evaluates an expression only once 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-text-0/>
+ <block-text-1/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"v\\", ctx['value']+' artois');
     let txt1 = ctx['v'];
     let txt2 = ctx['v'];
-    return block1([txt1, txt2]);
+    const b3 = block3([txt1, txt2]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -355,30 +403,45 @@ exports[`t-set t-set evaluates an expression only once 1`] = `
 exports[`t-set t-set outside modified in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><p>EndLoop: <block-text-0/></p></div>\`);
-  let block3 = createBlock(\`<p>InLoop: <block-text-0/></p>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ <p>EndLoop: <block-text-0/></p>
+ </div>\`);
+  let block7 = createBlock(\`<p>InLoop: <block-text-0/></p>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 0);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(['a','b']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`val\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(['a','b']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`val\`] = v_block4[i1];
       const key1 = ctx['val'];
+      const b6 = text(\`
+ \`);
       let txt1 = ctx['iter'];
-      c_block2[i1] = withKey(block3([txt1]), key1);
+      const b7 = block7([txt1]);
+      const b8 = text(\`
+ \`);
       setContextValue(ctx, \\"iter\\", ctx['iter']+1);
+      const b9 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8, b9]), key1);
     }
     ctx = ctx.__proto__;
-    const b2 = list(c_block2);
+    const b4 = list(c_block4);
     let txt2 = ctx['iter'];
-    return block1([txt2], [b2]);
+    const b3 = block3([txt2], [b4]);
+    const b10 = text(\`
+ \`);
+    return multi([b2, b3, b10]);
   }
 }"
 `;
@@ -386,30 +449,45 @@ exports[`t-set t-set outside modified in t-foreach 1`] = `
 exports[`t-set t-set outside modified in t-foreach increment-after operator 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><p>EndLoop: <block-text-0/></p></div>\`);
-  let block3 = createBlock(\`<p>InLoop: <block-text-0/></p>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ <p>EndLoop: <block-text-0/></p>
+ </div>\`);
+  let block7 = createBlock(\`<p>InLoop: <block-text-0/></p>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 0);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(['a','b']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`val\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(['a','b']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`val\`] = v_block4[i1];
       const key1 = ctx['val'];
+      const b6 = text(\`
+ \`);
       let txt1 = ctx['iter'];
-      c_block2[i1] = withKey(block3([txt1]), key1);
+      const b7 = block7([txt1]);
+      const b8 = text(\`
+ \`);
       setContextValue(ctx, \\"iter\\", ctx['iter']++);
+      const b9 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8, b9]), key1);
     }
     ctx = ctx.__proto__;
-    const b2 = list(c_block2);
+    const b4 = list(c_block4);
     let txt2 = ctx['iter'];
-    return block1([txt2], [b2]);
+    const b3 = block3([txt2], [b4]);
+    const b10 = text(\`
+ \`);
+    return multi([b2, b3, b10]);
   }
 }"
 `;
@@ -417,30 +495,45 @@ exports[`t-set t-set outside modified in t-foreach increment-after operator 1`]
 exports[`t-set t-set outside modified in t-foreach increment-before operator 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><p>EndLoop: <block-text-0/></p></div>\`);
-  let block3 = createBlock(\`<p>InLoop: <block-text-0/></p>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ <p>EndLoop: <block-text-0/></p>
+ </div>\`);
+  let block7 = createBlock(\`<p>InLoop: <block-text-0/></p>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 0);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(['a','b']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`val\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(['a','b']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`val\`] = v_block4[i1];
       const key1 = ctx['val'];
+      const b6 = text(\`
+ \`);
       let txt1 = ctx['iter'];
-      c_block2[i1] = withKey(block3([txt1]), key1);
+      const b7 = block7([txt1]);
+      const b8 = text(\`
+ \`);
       setContextValue(ctx, \\"iter\\", ++ctx['iter']);
+      const b9 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8, b9]), key1);
     }
     ctx = ctx.__proto__;
-    const b2 = list(c_block2);
+    const b4 = list(c_block4);
     let txt2 = ctx['iter'];
-    return block1([txt2], [b2]);
+    const b3 = block3([txt2], [b4]);
+    const b10 = text(\`
+ \`);
+    return multi([b2, b3, b10]);
   }
 }"
 `;
@@ -448,29 +541,38 @@ exports[`t-set t-set outside modified in t-foreach increment-before operator 1`]
 exports[`t-set t-set should reuse variable if possible 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<div><span>v<block-text-0/></span></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<div>
+ <span>v<block-text-0/></span>
+ 
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"v\\", 1);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['list']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`elem\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['list']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`elem\`] = v_block4[i1];
       ctx[\`elem_index\`] = i1;
       const key1 = ctx['elem_index'];
       let txt1 = ctx['v'];
       setContextValue(ctx, \\"v\\", ctx['elem']);
-      c_block2[i1] = withKey(block3([txt1]), key1);
+      c_block4[i1] = withKey(block5([txt1]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -478,24 +580,29 @@ exports[`t-set t-set should reuse variable if possible 1`] = `
 exports[`t-set t-set with content and sub t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-text-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-text-0/>
+ </div>\`);
   
   function value1(ctx, node, key = \\"\\") {
-    const b3 = text(ctx['beep']);
-    const b4 = text(\` boop\`);
-    return multi([b3, b4]);
+    const b5 = text(ctx['beep']);
+    const b6 = text(\` boop\`);
+    return multi([b5, b6]);
   }
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     ctx[\`setvar\`] = new LazyValue(value1, ctx, this, node);
     let txt1 = ctx['setvar'];
-    return block1([txt1]);
+    const b3 = block3([txt1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -503,28 +610,42 @@ exports[`t-set t-set with content and sub t-esc 1`] = `
 exports[`t-set t-set with t-value (falsy) and body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, LazyValue, safeOutput } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block2 = createBlock(\`<span><block-text-0/></span>\`);
+  let block3 = createBlock(\`<div>
+ 
+ 
+ 
+ 
+ 
+ <block-child-0/>
+ </div>\`);
+  let block6 = createBlock(\`<span><block-text-0/></span>\`);
   
   function value1(ctx, node, key = \\"\\") {
+    const b5 = text(\`
+ \`);
     let txt1 = ctx['v1'];
-    return block2([txt1]);
+    const b6 = block6([txt1]);
+    const b7 = text(\`
+ \`);
+    return multi([b5, b6, b7]);
   }
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"v3\\", false);
     setContextValue(ctx, \\"v1\\", 'before');
     ctx[\`v2\`] = withDefault(ctx['v3'], new LazyValue(value1, ctx, this, node));
     setContextValue(ctx, \\"v1\\", 'after');
     setContextValue(ctx, \\"v3\\", true);
-    const b3 = safeOutput(ctx['v2']);
-    return block1([], [b3]);
+    const b8 = safeOutput(ctx['v2']);
+    const b3 = block3([], [b8]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -532,28 +653,76 @@ exports[`t-set t-set with t-value (falsy) and body 1`] = `
 exports[`t-set t-set with t-value (truthy) and body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, LazyValue, safeOutput } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block2 = createBlock(\`<span><block-text-0/></span>\`);
+  let block3 = createBlock(\`<div>
+ 
+ 
+ 
+ 
+ 
+ <block-child-0/>
+ </div>\`);
+  let block6 = createBlock(\`<span><block-text-0/></span>\`);
   
   function value1(ctx, node, key = \\"\\") {
+    const b5 = text(\`
+ \`);
     let txt1 = ctx['v1'];
-    return block2([txt1]);
+    const b6 = block6([txt1]);
+    const b7 = text(\`
+ \`);
+    return multi([b5, b6, b7]);
   }
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"v3\\", 'Truthy');
     setContextValue(ctx, \\"v1\\", 'before');
     ctx[\`v2\`] = withDefault(ctx['v3'], new LazyValue(value1, ctx, this, node));
     setContextValue(ctx, \\"v1\\", 'after');
     setContextValue(ctx, \\"v3\\", false);
-    const b3 = safeOutput(ctx['v2']);
-    return block1([], [b3]);
+    const b8 = safeOutput(ctx['v2']);
+    const b3 = block3([], [b8]);
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`t-set t-set, multiple t-ifs, and a specific configuration 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  let { isBoundary, withDefault, setContextValue } = helpers;
+  
+  let block3 = createBlock(\`<p>
+ <div>
+ 
+ <span>First div</span>
+ </div>
+ <div>
+ <block-child-0/>
+ </div>
+ </p>\`);
+  
+  return function template(ctx, node, key = \\"\\") {
+    ctx = Object.create(ctx);
+    ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
+    let b4;
+    if (ctx['flag']) {
+      setContextValue(ctx, \\"bouh\\", 2);
+    }
+    if (!ctx['flag']) {
+      b4 = text(\`Second\`);
+    }
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -561,22 +730,27 @@ exports[`t-set t-set with t-value (truthy) and body 1`] = `
 exports[`t-set t-set, t-if, and mix of expression/body lookup, 1 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-text-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-text-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     if (ctx['flag']) {
       setContextValue(ctx, \\"ourvar\\", \`1\`);
     } else {
       setContextValue(ctx, \\"ourvar\\", 0);
     }
     let txt1 = ctx['ourvar'];
-    return block1([txt1]);
+    const b3 = block3([txt1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -584,22 +758,27 @@ exports[`t-set t-set, t-if, and mix of expression/body lookup, 1 1`] = `
 exports[`t-set t-set, t-if, and mix of expression/body lookup, 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-text-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-text-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     if (ctx['flag']) {
       setContextValue(ctx, \\"ourvar\\", 1);
     } else {
       setContextValue(ctx, \\"ourvar\\", \`0\`);
     }
     let txt1 = ctx['ourvar'];
-    return block1([txt1]);
+    const b3 = block3([txt1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -607,21 +786,24 @@ exports[`t-set t-set, t-if, and mix of expression/body lookup, 2 1`] = `
 exports[`t-set t-set, t-if, and mix of expression/body lookup, 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
-    let b2;
+    let b2,b3,b4;
+    b2 = text(\`
+ \`);
     if (ctx['flag']) {
       setContextValue(ctx, \\"ourvar\\", 1);
     } else {
       setContextValue(ctx, \\"ourvar\\", \`0\`);
     }
-    b2 = text(ctx['ourvar']);
-    return multi([b2]);
+    b3 = text(\`
+ \`);
+    b4 = text(ctx['ourvar']);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -629,7 +811,6 @@ exports[`t-set t-set, t-if, and mix of expression/body lookup, 3 1`] = `
 exports[`t-set value priority (with non text body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   
@@ -653,7 +834,6 @@ exports[`t-set value priority (with non text body 1`] = `
 exports[`t-set value priority 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   

tests/compiler/__snapshots__/t_tag.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`qweb t-tag can fallback if falsy tag 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 'fallback'}/>\`);
@@ -18,7 +17,6 @@ exports[`qweb t-tag can fallback if falsy tag 1`] = `
 exports[`qweb t-tag can update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'}/>\`);
@@ -33,7 +31,6 @@ exports[`qweb t-tag can update 1`] = `
 exports[`qweb t-tag simple usecases 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'}/>\`);
@@ -48,7 +45,6 @@ exports[`qweb t-tag simple usecases 1`] = `
 exports[`qweb t-tag simple usecases 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'}>text</\${tag || 't'}>\`);
@@ -63,7 +59,6 @@ exports[`qweb t-tag simple usecases 2`] = `
 exports[`qweb t-tag with multiple attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'} class=\\"blueberry\\" taste=\\"raspberry\\">gooseberry</\${tag || 't'}>\`);
@@ -78,14 +73,20 @@ exports[`qweb t-tag with multiple attributes 1`] = `
 exports[`qweb t-tag with multiple child nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = tag => createBlock(\`<\${tag || 't'}> pear <span>apple</span> strawberry </\${tag || 't'}>\`);
+  let block3 = tag => createBlock(\`<\${tag || 't'}>
+ pear
+ <span>apple</span>
+ strawberry
+ </\${tag || 't'}>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const tag1 = ctx['tag'];
-    return toggler(tag1, block1(tag1)());
+    const b3 = toggler(tag1, block3(tag1)());
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -93,7 +94,6 @@ exports[`qweb t-tag with multiple child nodes 1`] = `
 exports[`qweb t-tag with multiple t-tag in same template 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = tag => createBlock(\`<\${tag || 't'}><block-child-0/></\${tag || 't'}>\`);
@@ -111,7 +111,6 @@ exports[`qweb t-tag with multiple t-tag in same template 1`] = `
 exports[`qweb t-tag with multiple t-tag in same template, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = tag => createBlock(\`<\${tag || 't'}>bar</\${tag || 't'}>\`);

tests/compiler/__snapshots__/template_set.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`loading templates addTemplates does not modify its xml document in place 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -18,7 +17,6 @@ exports[`loading templates addTemplates does not modify its xml document in plac
 exports[`loading templates can initialize qweb with a string 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>jupiler</div>\`);
@@ -32,7 +30,6 @@ exports[`loading templates can initialize qweb with a string 1`] = `
 exports[`loading templates can initialize qweb with an XMLDocument 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>jupiler</div>\`);
@@ -46,7 +43,6 @@ exports[`loading templates can initialize qweb with an XMLDocument 1`] = `
 exports[`loading templates can load a few templates from a xml string 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`items\`);
   
@@ -62,7 +58,6 @@ exports[`loading templates can load a few templates from a xml string 1`] = `
 exports[`loading templates can load a few templates from a xml string 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<li>ok</li>\`);
@@ -79,7 +74,6 @@ exports[`loading templates can load a few templates from a xml string 2`] = `
 exports[`loading templates can load a few templates from an XMLDocument 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`items\`);
   
@@ -95,7 +89,6 @@ exports[`loading templates can load a few templates from an XMLDocument 1`] = `
 exports[`loading templates can load a few templates from an XMLDocument 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<li>ok</li>\`);

tests/compiler/__snapshots__/translation.test.ts.snap

@@ -3,13 +3,17 @@
 exports[`translation support can set and remove translatable attributes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div tomato=\\"word\\" potato=\\"mot\\" title=\\"mot\\" label=\\"word\\">text</div>\`);
+  let block3 = createBlock(\`<div tomato=\\"word\\" potato=\\"mot\\" title=\\"mot\\" label=\\"word\\">text</div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    return block1();
+    const b2 = text(\`
+ \`);
+    const b3 = block3();
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -17,7 +21,6 @@ exports[`translation support can set and remove translatable attributes 1`] = `
 exports[`translation support can translate node content 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>mot</div>\`);
@@ -31,13 +34,20 @@ exports[`translation support can translate node content 1`] = `
 exports[`translation support does not translate node content if disabled 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><span>mot</span><span>word</span></div>\`);
+  let block3 = createBlock(\`<div>
+ <span>mot</span>
+ <span>word</span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    return block1();
+    const b2 = text(\`
+ \`);
+    const b3 = block3();
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -45,13 +55,23 @@ exports[`translation support does not translate node content if disabled 1`] = `
 exports[`translation support some attributes are translated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><p label=\\"mot\\">mot</p><p title=\\"mot\\">mot</p><p placeholder=\\"mot\\">mot</p><p alt=\\"mot\\">mot</p><p something=\\"word\\">mot</p></div>\`);
+  let block3 = createBlock(\`<div>
+ <p label=\\"mot\\">mot</p>
+ <p title=\\"mot\\">mot</p>
+ <p placeholder=\\"mot\\">mot</p>
+ <p alt=\\"mot\\">mot</p>
+ <p something=\\"word\\">mot</p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    return block1();
+    const b2 = text(\`
+ \`);
+    const b3 = block3();
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -59,13 +79,17 @@ exports[`translation support some attributes are translated 1`] = `
 exports[`translation support translation is done on the trimmed text, with extra spaces readded after 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div> mot </div>\`);
+  let block3 = createBlock(\`<div> mot </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    return block1();
+    const b2 = text(\`
+ \`);
+    const b3 = block3();
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;

tests/compiler/__snapshots__/white_space.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`white space handling consecutives whitespaces are condensed into a single space 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div> abc </div>\`);
@@ -17,7 +16,6 @@ exports[`white space handling consecutives whitespaces are condensed into a sing
 exports[`white space handling nothing is done in pre tags 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<pre>   </pre>\`);
@@ -31,7 +29,6 @@ exports[`white space handling nothing is done in pre tags 1`] = `
 exports[`white space handling nothing is done in pre tags 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<pre>
@@ -47,7 +44,6 @@ exports[`white space handling nothing is done in pre tags 2`] = `
 exports[`white space handling nothing is done in pre tags 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<pre>
@@ -63,10 +59,10 @@ exports[`white space handling nothing is done in pre tags 3`] = `
 exports[`white space handling pre inside a div with a new line 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><pre>SomeText</pre></div>\`);
+  let block1 = createBlock(\`<div><pre>SomeText</pre>
+</div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     return block1();
@@ -77,7 +73,6 @@ exports[`white space handling pre inside a div with a new line 1`] = `
 exports[`white space handling white space only text nodes are condensed into a single space 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div> </div>\`);
@@ -91,10 +86,11 @@ exports[`white space handling white space only text nodes are condensed into a s
 exports[`white space handling whitespace only text nodes with newlines are removed 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><span>abc</span></div>\`);
+  let block1 = createBlock(\`<div>
+ <span>abc</span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     return block1();

tests/compiler/t_esc.test.ts

@@ -67,6 +67,21 @@ describe("t-esc", () => {
     );
   });
 
+  test("t-esc with the 0 number", () => {
+    const template = `<t t-esc="var"/>`;
+    expect(renderToString(template, { var: 0 })).toBe("0");
+  });
+
+  test("t-esc with the 0 number, in a p", () => {
+    const template = `<p><t t-esc="var"/></p>`;
+    expect(renderToString(template, { var: 0 })).toBe("<p>0</p>");
+  });
+
+  test("top level t-esc with undefined", () => {
+    const template = `<t t-esc="var"/>`;
+    expect(renderToString(template, { var: undefined })).toBe("");
+  });
+
   test("falsy values in text nodes", () => {
     const template = `
         <t t-esc="v1"/>:<t t-esc="v2"/>:<t t-esc="v3"/>:<t t-esc="v4"/>:<t t-esc="v5"/>`;

tests/compiler/t_out.test.ts

@@ -47,6 +47,21 @@ describe("t-out", () => {
     expect(renderToString(template, { var: new String("ok") })).toBe("<span>ok</span>");
   });
 
+  test("t-out with the 0 number", () => {
+    const template = `<t t-out="var"/>`;
+    expect(renderToString(template, { var: 0 })).toBe("0");
+  });
+
+  test("t-out with the 0 number, in a p", () => {
+    const template = `<p><t t-out="var"/></p>`;
+    expect(renderToString(template, { var: 0 })).toBe("<p>0</p>");
+  });
+
+  test("top level t-out with undefined", () => {
+    const template = `<t t-out="var"/>`;
+    expect(renderToString(template, { var: undefined })).toBe("");
+  });
+
   test("with an extended String class", () => {
     class LoveString extends String {
       valueOf(): string {

tests/compiler/t_set.test.ts

@@ -33,6 +33,22 @@ describe("t-set", () => {
     expect(renderToString(template, { value: "ok" })).toBe("<div>grimbergen</div>");
   });
 
+  test("t-set, multiple t-ifs, and a specific configuration", () => {
+    const template = `
+      <p>
+        <div>
+          <t t-if="flag" t-set="bouh" t-value="2"/>
+          <span>First div</span>
+        </div>
+        <div>
+          <t t-if="!flag">Second</t>
+        </div>
+      </p>`;
+    expect(renderToString(template)).toBe(
+      "<p><div><span>First div</span></div><div>Second</div></p>"
+    );
+  });
+
   test("set from body literal", () => {
     const template = `<t><t t-set="value">ok</t><t t-esc="value"/></t>`;
     expect(renderToString(template)).toBe("ok");

tests/components/__snapshots__/event_handling.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`event handling Invalid handler throws an error 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\">click</button>\`);
@@ -18,7 +17,6 @@ exports[`event handling Invalid handler throws an error 1`] = `
 exports[`event handling handler is not called if component is destroyed 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span block-handler-0=\\"click\\"/>\`);
@@ -33,7 +31,6 @@ exports[`event handling handler is not called if component is destroyed 1`] = `
 exports[`event handling handler receive the event as argument 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -51,7 +48,6 @@ exports[`event handling handler receive the event as argument 1`] = `
 exports[`event handling handler receive the event as argument 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>simple vnode</div>\`);
@@ -65,18 +61,23 @@ exports[`event handling handler receive the event as argument 2`] = `
 exports[`event handling input blur event is not called if component is destroyed 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
-  let block1 = createBlock(\`<div><block-child-0/><textarea/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <textarea/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2;
+    const b2 = text(\`
+ \`);
+    let b4;
     if (ctx['state'].cond) {
-      b2 = comp1({}, key + \`__1\`, node, this, null);
+      b4 = comp1({}, key + \`__1\`, node, this, null);
     }
-    return block1([], [b2]);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -84,7 +85,6 @@ exports[`event handling input blur event is not called if component is destroyed
 exports[`event handling input blur event is not called if component is destroyed 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<input block-handler-0=\\"blur\\"/>\`);
@@ -99,26 +99,36 @@ exports[`event handling input blur event is not called if component is destroyed
 exports[`event handling objects from scope are properly captured by t-on 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<div class=\\"item\\" block-handler-0=\\"click\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block7 = createBlock(\`<div class=\\"item\\" block-handler-0=\\"click\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['items']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`item\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['items']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`item\`] = v_block4[i1];
       const key1 = ctx['item'];
+      const b6 = text(\`
+ \`);
       const v1 = ctx['onClick'];
       const v2 = ctx['item'];
       let hdlr1 = [_ev=>v1(v2.val,_ev), ctx];
-      c_block2[i1] = withKey(block3([hdlr1]), key1);
+      const b7 = block7([hdlr1]);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -126,15 +136,17 @@ exports[`event handling objects from scope are properly captured by t-on 1`] = `
 exports[`event handling support for callable expression in event handler 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-text-0/><input type=\\"text\\" block-handler-1=\\"input\\"/></div>\`);
+  let block3 = createBlock(\`<div><block-text-0/><input type=\\"text\\" block-handler-1=\\"input\\"/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['state'].value;
     let hdlr1 = [ctx['obj'].onInput, ctx];
-    return block1([txt1, hdlr1]);
+    const b3 = block3([txt1, hdlr1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -142,26 +154,36 @@ exports[`event handling support for callable expression in event handler 1`] = `
 exports[`event handling t-on with handler bound to dynamic argument on a t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<div class=\\"item\\" block-handler-0=\\"click\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block7 = createBlock(\`<div class=\\"item\\" block-handler-0=\\"click\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['items']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`item\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['items']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`item\`] = v_block4[i1];
       const key1 = ctx['item'];
+      const b6 = text(\`
+ \`);
       const v1 = ctx['onClick'];
       const v2 = ctx['item'];
       let hdlr1 = [_ev=>v1(v2,_ev), ctx];
-      c_block2[i1] = withKey(block3([hdlr1]), key1);
+      const b7 = block7([hdlr1]);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;

tests/components/__snapshots__/higher_order_component.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`basics basic use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -16,7 +15,6 @@ exports[`basics basic use 1`] = `
 exports[`basics basic use 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child<block-text-0/></span>\`);
@@ -31,20 +29,29 @@ exports[`basics basic use 2`] = `
 exports[`basics can select a sub widget  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`OtherChild\`, true, false, false, true);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3;
+    let b2,b3,b4,b5,b6,b7,b8;
+    b2 = text(\`
+ \`);
+    b3 = text(\`
+ \`);
     if (ctx['env'].options.flag) {
-      b2 = comp1({}, key + \`__1\`, node, this, null);
+      b4 = comp1({}, key + \`__1\`, node, this, null);
     }
+    b5 = text(\`
+ \`);
     if (!ctx['env'].options.flag) {
-      b3 = comp2({}, key + \`__2\`, node, this, null);
+      b6 = comp2({}, key + \`__2\`, node, this, null);
     }
-    return multi([b2, b3]);
+    b7 = text(\`
+ \`);
+    b8 = text(\`
+ \`);
+    return multi([b2, b3, b4, b5, b6, b7, b8]);
   }
 }"
 `;
@@ -52,7 +59,6 @@ exports[`basics can select a sub widget  1`] = `
 exports[`basics can select a sub widget  2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>CHILD 1</span>\`);
@@ -66,7 +72,6 @@ exports[`basics can select a sub widget  2`] = `
 exports[`basics can select a sub widget  3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>CHILD 2</div>\`);
@@ -80,20 +85,29 @@ exports[`basics can select a sub widget  3`] = `
 exports[`basics can select a sub widget, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`OtherChild\`, true, false, false, true);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3;
+    let b2,b3,b4,b5,b6,b7,b8;
+    b2 = text(\`
+ \`);
+    b3 = text(\`
+ \`);
     if (ctx['state'].flag) {
-      b2 = comp1({}, key + \`__1\`, node, this, null);
+      b4 = comp1({}, key + \`__1\`, node, this, null);
     }
+    b5 = text(\`
+ \`);
     if (!ctx['state'].flag) {
-      b3 = comp2({}, key + \`__2\`, node, this, null);
+      b6 = comp2({}, key + \`__2\`, node, this, null);
     }
-    return multi([b2, b3]);
+    b7 = text(\`
+ \`);
+    b8 = text(\`
+ \`);
+    return multi([b2, b3, b4, b5, b6, b7, b8]);
   }
 }"
 `;
@@ -101,7 +115,6 @@ exports[`basics can select a sub widget, part 2 1`] = `
 exports[`basics can select a sub widget, part 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>CHILD 1</span>\`);
@@ -115,7 +128,6 @@ exports[`basics can select a sub widget, part 2 2`] = `
 exports[`basics can select a sub widget, part 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>CHILD 2</div>\`);
@@ -129,7 +141,6 @@ exports[`basics can select a sub widget, part 2 3`] = `
 exports[`basics sub widget is interactive 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -142,15 +153,19 @@ exports[`basics sub widget is interactive 1`] = `
 exports[`basics sub widget is interactive 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<span><button block-handler-0=\\"click\\">click</button>child<block-text-1/></span>\`);
+  let block3 = createBlock(\`<span>
+ <button block-handler-0=\\"click\\">click</button>child<block-text-1/>
+ </span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let hdlr1 = [ctx['inc'], ctx];
     let txt1 = ctx['state'].val;
-    return block1([hdlr1, txt1]);
+    const b3 = block3([hdlr1, txt1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -158,7 +173,6 @@ exports[`basics sub widget is interactive 2`] = `
 exports[`basics top level sub widget with a parent 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentB\`, true, false, false, true);
   
@@ -174,7 +188,6 @@ exports[`basics top level sub widget with a parent 1`] = `
 exports[`basics top level sub widget with a parent 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ComponentC\`, true, false, false, true);
   
@@ -187,7 +200,6 @@ exports[`basics top level sub widget with a parent 2`] = `
 exports[`basics top level sub widget with a parent 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>Hello</span>\`);

tests/components/__snapshots__/hooks.test.ts.snap

@@ -3,21 +3,26 @@
 exports[`hooks autofocus hook input in a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><input block-ref=\\"0\\"/><block-child-0/></div>\`);
-  let block2 = createBlock(\`<input block-ref=\\"0\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <input block-ref=\\"0\\"/>
+ <block-child-0/>
+ </div>\`);
+  let block4 = createBlock(\`<input block-ref=\\"0\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = (el) => refs[\`input1\`] = el;
     const ref2 = (el) => refs[\`input2\`] = el;
-    let b2;
+    const b2 = text(\`
+ \`);
+    let b4;
     if (ctx['state'].flag) {
-      b2 = block2([ref2]);
+      b4 = block4([ref2]);
     }
-    return block1([ref1], [b2]);
+    const b3 = block3([ref1], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -25,16 +30,21 @@ exports[`hooks autofocus hook input in a t-if 1`] = `
 exports[`hooks autofocus hook simple input 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><input block-ref=\\"0\\"/><input block-ref=\\"1\\"/></div>\`);
+  let block3 = createBlock(\`<div>
+ <input block-ref=\\"0\\"/>
+ <input block-ref=\\"1\\"/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = (el) => refs[\`input1\`] = el;
     const ref2 = (el) => refs[\`input2\`] = el;
-    return block1([ref1, ref2]);
+    const b2 = text(\`
+ \`);
+    const b3 = block3([ref1, ref2]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -42,7 +52,6 @@ exports[`hooks autofocus hook simple input 1`] = `
 exports[`hooks can use onWillStart, onWillUpdateProps 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`MyComponent\`, true, false, false, false);
   
@@ -55,7 +64,6 @@ exports[`hooks can use onWillStart, onWillUpdateProps 1`] = `
 exports[`hooks can use onWillStart, onWillUpdateProps 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -70,7 +78,6 @@ exports[`hooks can use onWillStart, onWillUpdateProps 2`] = `
 exports[`hooks can use useComponent 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -84,7 +91,6 @@ exports[`hooks can use useComponent 1`] = `
 exports[`hooks can use useEnv 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -99,7 +105,6 @@ exports[`hooks can use useEnv 1`] = `
 exports[`hooks mounted callbacks should be called in reverse order from willUnmount callbacks 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
@@ -114,7 +119,6 @@ exports[`hooks mounted callbacks should be called in reverse order from willUnmo
 exports[`hooks parent and child env (with useChildSubEnv then useSubEnv) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -129,7 +133,6 @@ exports[`hooks parent and child env (with useChildSubEnv then useSubEnv) 1`] = `
 exports[`hooks parent and child env (with useChildSubEnv then useSubEnv) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<div><block-text-0/></div>\`);
@@ -148,7 +151,6 @@ exports[`hooks parent and child env (with useChildSubEnv then useSubEnv) 2`] = `
 exports[`hooks parent and child env (with useChildSubEnv) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -163,7 +165,6 @@ exports[`hooks parent and child env (with useChildSubEnv) 1`] = `
 exports[`hooks parent and child env (with useChildSubEnv) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -178,7 +179,6 @@ exports[`hooks parent and child env (with useChildSubEnv) 2`] = `
 exports[`hooks parent and child env (with useSubEnv) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -193,7 +193,6 @@ exports[`hooks parent and child env (with useSubEnv) 1`] = `
 exports[`hooks parent and child env (with useSubEnv) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -208,7 +207,6 @@ exports[`hooks parent and child env (with useSubEnv) 2`] = `
 exports[`hooks two different call to willPatch/patched should work 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey<block-text-0/></div>\`);
@@ -223,7 +221,6 @@ exports[`hooks two different call to willPatch/patched should work 1`] = `
 exports[`hooks useChildSubEnv does not pollute user env 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -238,7 +235,6 @@ exports[`hooks useChildSubEnv does not pollute user env 1`] = `
 exports[`hooks useChildSubEnv supports arbitrary descriptor 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -251,7 +247,6 @@ exports[`hooks useChildSubEnv supports arbitrary descriptor 1`] = `
 exports[`hooks useChildSubEnv supports arbitrary descriptor 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/> <block-text-1/></div>\`);
@@ -267,7 +262,6 @@ exports[`hooks useChildSubEnv supports arbitrary descriptor 2`] = `
 exports[`hooks useEffect hook dependencies prevent effects from rerunning when unchanged 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -281,19 +275,25 @@ exports[`hooks useEffect hook dependencies prevent effects from rerunning when u
 exports[`hooks useEffect hook effect can depend on stuff in dom 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block2 = createBlock(\`<div block-ref=\\"0\\"/>\`);
+  let block5 = createBlock(\`<div block-ref=\\"0\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = (el) => refs[\`div\`] = el;
-    let b2;
+    let b2,b3;
+    b2 = text(\`
+ \`);
     if (ctx['state'].value) {
-      b2 = block2([ref1]);
+      const b4 = text(\`
+ \`);
+      const b5 = block5([ref1]);
+      const b6 = text(\`
+ \`);
+      b3 = multi([b4, b5, b6]);
     }
-    return multi([b2]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -301,7 +301,6 @@ exports[`hooks useEffect hook effect can depend on stuff in dom 1`] = `
 exports[`hooks useEffect hook effect runs on mount, is reapplied on patch, and is cleaned up on unmount and before reapplying 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -315,7 +314,6 @@ exports[`hooks useEffect hook effect runs on mount, is reapplied on patch, and i
 exports[`hooks useEffect hook effect with empty dependency list never reruns 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -330,7 +328,6 @@ exports[`hooks useEffect hook effect with empty dependency list never reruns 1`]
 exports[`hooks useEffect hook properly behaves when the effect function throws 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -344,7 +341,6 @@ exports[`hooks useEffect hook properly behaves when the effect function throws 1
 exports[`hooks useExternalListener 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`MyComponent\`, true, false, false, true);
   
@@ -361,7 +357,6 @@ exports[`hooks useExternalListener 1`] = `
 exports[`hooks useExternalListener 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -376,7 +371,6 @@ exports[`hooks useExternalListener 2`] = `
 exports[`hooks useRef hook: basic use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><button block-ref=\\"0\\"><block-text-1/></button></div>\`);
@@ -393,7 +387,6 @@ exports[`hooks useRef hook: basic use 1`] = `
 exports[`hooks useSubEnv modifies user env 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -408,7 +401,6 @@ exports[`hooks useSubEnv modifies user env 1`] = `
 exports[`hooks useSubEnv supports arbitrary descriptor 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -421,7 +413,6 @@ exports[`hooks useSubEnv supports arbitrary descriptor 1`] = `
 exports[`hooks useSubEnv supports arbitrary descriptor 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/> <block-text-1/></div>\`);

tests/components/__snapshots__/lifecycle.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`lifecycle hooks basic checks for a component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>test</span>\`);
@@ -17,7 +16,6 @@ exports[`lifecycle hooks basic checks for a component 1`] = `
 exports[`lifecycle hooks component semantics 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, true);
   const comp2 = app.createComponent(\`C\`, true, false, false, true);
@@ -35,7 +33,6 @@ exports[`lifecycle hooks component semantics 1`] = `
 exports[`lifecycle hooks component semantics 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>B</div>\`);
@@ -49,23 +46,27 @@ exports[`lifecycle hooks component semantics 2`] = `
 exports[`lifecycle hooks component semantics 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`D\`, true, false, false, true);
   const comp2 = app.createComponent(\`E\`, true, false, false, true);
   const comp3 = app.createComponent(\`F\`, true, false, false, true);
   
-  let block1 = createBlock(\`<div>C<block-child-0/><block-child-1/><block-child-2/></div>\`);
+  let block3 = createBlock(\`<div>C<block-child-0/>
+ <block-child-1/><block-child-2/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3,b4;
-    b2 = comp1({}, key + \`__1\`, node, this, null);
+    const b2 = text(\`
+ \`);
+    let b4,b5,b6;
+    b4 = comp1({}, key + \`__1\`, node, this, null);
     if (ctx['state'].flag) {
-      b3 = comp2({}, key + \`__2\`, node, this, null);
+      b5 = comp2({}, key + \`__2\`, node, this, null);
     } else {
-      b4 = comp3({}, key + \`__3\`, node, this, null);
+      b6 = comp3({}, key + \`__3\`, node, this, null);
     }
-    return block1([], [b2, b3, b4]);
+    const b3 = block3([], [b4, b5, b6]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -73,7 +74,6 @@ exports[`lifecycle hooks component semantics 3`] = `
 exports[`lifecycle hooks component semantics 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>D</div>\`);
@@ -87,7 +87,6 @@ exports[`lifecycle hooks component semantics 4`] = `
 exports[`lifecycle hooks component semantics 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>E</div>\`);
@@ -101,7 +100,6 @@ exports[`lifecycle hooks component semantics 5`] = `
 exports[`lifecycle hooks component semantics 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>F</div>\`);
@@ -115,19 +113,24 @@ exports[`lifecycle hooks component semantics 6`] = `
 exports[`lifecycle hooks components are unmounted and destroyed if no longer in DOM, even after updateprops 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block2 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2;
+    let b2,b3,b5;
+    b2 = text(\`
+ \`);
     if (ctx['state'].flag) {
-      const b3 = comp1({n: ctx['state'].n}, key + \`__1\`, node, this, null);
-      b2 = block2([], [b3]);
+      const b4 = comp1({n: ctx['state'].n}, key + \`__1\`, node, this, null);
+      b3 = block3([], [b4]);
     }
-    return multi([b2]);
+    b5 = text(\`
+ \`);
+    return multi([b2, b3, b5]);
   }
 }"
 `;
@@ -135,7 +138,6 @@ exports[`lifecycle hooks components are unmounted and destroyed if no longer in
 exports[`lifecycle hooks components are unmounted and destroyed if no longer in DOM, even after updateprops 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -150,7 +152,6 @@ exports[`lifecycle hooks components are unmounted and destroyed if no longer in
 exports[`lifecycle hooks components are unmounted destroyed if no longer in DOM 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -167,7 +168,6 @@ exports[`lifecycle hooks components are unmounted destroyed if no longer in DOM
 exports[`lifecycle hooks components are unmounted destroyed if no longer in DOM 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -181,7 +181,6 @@ exports[`lifecycle hooks components are unmounted destroyed if no longer in DOM
 exports[`lifecycle hooks destroy new children before being mountged 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -200,7 +199,6 @@ exports[`lifecycle hooks destroy new children before being mountged 1`] = `
 exports[`lifecycle hooks destroy new children before being mountged 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -212,7 +210,6 @@ exports[`lifecycle hooks destroy new children before being mountged 2`] = `
 exports[`lifecycle hooks hooks are called in proper order in widget creation/destruction 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -228,7 +225,6 @@ exports[`lifecycle hooks hooks are called in proper order in widget creation/des
 exports[`lifecycle hooks hooks are called in proper order in widget creation/destruction 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -242,7 +238,6 @@ exports[`lifecycle hooks hooks are called in proper order in widget creation/des
 exports[`lifecycle hooks lifecycle callbacks are bound to component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Test\`, true, false, false, false);
   
@@ -255,7 +250,6 @@ exports[`lifecycle hooks lifecycle callbacks are bound to component 1`] = `
 exports[`lifecycle hooks lifecycle callbacks are bound to component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -267,7 +261,6 @@ exports[`lifecycle hooks lifecycle callbacks are bound to component 2`] = `
 exports[`lifecycle hooks lifecycle semantics 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -283,7 +276,6 @@ exports[`lifecycle hooks lifecycle semantics 1`] = `
 exports[`lifecycle hooks lifecycle semantics 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -297,7 +289,6 @@ exports[`lifecycle hooks lifecycle semantics 2`] = `
 exports[`lifecycle hooks lifecycle semantics, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -314,7 +305,6 @@ exports[`lifecycle hooks lifecycle semantics, part 2 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`GrandChild\`, true, false, false, true);
   
@@ -327,7 +317,6 @@ exports[`lifecycle hooks lifecycle semantics, part 2 2`] = `
 exports[`lifecycle hooks lifecycle semantics, part 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -341,7 +330,6 @@ exports[`lifecycle hooks lifecycle semantics, part 2 3`] = `
 exports[`lifecycle hooks lifecycle semantics, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -358,7 +346,6 @@ exports[`lifecycle hooks lifecycle semantics, part 3 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 4 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -375,7 +362,6 @@ exports[`lifecycle hooks lifecycle semantics, part 4 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 4 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`GrandChild\`, true, false, false, true);
   
@@ -388,7 +374,6 @@ exports[`lifecycle hooks lifecycle semantics, part 4 2`] = `
 exports[`lifecycle hooks lifecycle semantics, part 4 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -402,7 +387,6 @@ exports[`lifecycle hooks lifecycle semantics, part 4 3`] = `
 exports[`lifecycle hooks lifecycle semantics, part 5 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -419,7 +403,6 @@ exports[`lifecycle hooks lifecycle semantics, part 5 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 5 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -433,7 +416,6 @@ exports[`lifecycle hooks lifecycle semantics, part 5 2`] = `
 exports[`lifecycle hooks lifecycle semantics, part 6 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -446,7 +428,6 @@ exports[`lifecycle hooks lifecycle semantics, part 6 1`] = `
 exports[`lifecycle hooks lifecycle semantics, part 6 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -460,7 +441,6 @@ exports[`lifecycle hooks lifecycle semantics, part 6 2`] = `
 exports[`lifecycle hooks mounted hook is called if mounted in DOM 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -474,7 +454,6 @@ exports[`lifecycle hooks mounted hook is called if mounted in DOM 1`] = `
 exports[`lifecycle hooks mounted hook is called on every mount, not just the first one 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -491,7 +470,6 @@ exports[`lifecycle hooks mounted hook is called on every mount, not just the fir
 exports[`lifecycle hooks mounted hook is called on every mount, not just the first one 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child</div>\`);
@@ -505,7 +483,6 @@ exports[`lifecycle hooks mounted hook is called on every mount, not just the fir
 exports[`lifecycle hooks mounted hook is called on subcomponents, in proper order 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -521,7 +498,6 @@ exports[`lifecycle hooks mounted hook is called on subcomponents, in proper orde
 exports[`lifecycle hooks mounted hook is called on subcomponents, in proper order 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -535,7 +511,6 @@ exports[`lifecycle hooks mounted hook is called on subcomponents, in proper orde
 exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper order 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -554,7 +529,6 @@ exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper o
 exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper order 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildChild\`, true, false, false, true);
   
@@ -570,7 +544,6 @@ exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper o
 exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper order 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -584,12 +557,14 @@ exports[`lifecycle hooks mounted hook is called on subsubcomponents, in proper o
 exports[`lifecycle hooks onWillRender 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
   return function template(ctx, node, key = \\"\\") {
-    return comp1({someValue: ctx['state'].value}, key + \`__1\`, node, this, null);
+    const b2 = text(\`
+ \`);
+    const b3 = comp1({someValue: ctx['state'].value}, key + \`__1\`, node, this, null);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -597,7 +572,6 @@ exports[`lifecycle hooks onWillRender 1`] = `
 exports[`lifecycle hooks onWillRender 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"><block-text-1/></button>\`);
@@ -613,7 +587,6 @@ exports[`lifecycle hooks onWillRender 2`] = `
 exports[`lifecycle hooks patched hook is called after updateProps 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -629,7 +602,6 @@ exports[`lifecycle hooks patched hook is called after updateProps 1`] = `
 exports[`lifecycle hooks patched hook is called after updateProps 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -643,7 +615,6 @@ exports[`lifecycle hooks patched hook is called after updateProps 2`] = `
 exports[`lifecycle hooks patched hook is called after updating State 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -658,7 +629,6 @@ exports[`lifecycle hooks patched hook is called after updating State 1`] = `
 exports[`lifecycle hooks render in mounted 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -673,7 +643,6 @@ exports[`lifecycle hooks render in mounted 1`] = `
 exports[`lifecycle hooks render in patched 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -688,7 +657,6 @@ exports[`lifecycle hooks render in patched 1`] = `
 exports[`lifecycle hooks render in willPatch 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -703,7 +671,6 @@ exports[`lifecycle hooks render in willPatch 1`] = `
 exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly called 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -720,7 +687,6 @@ exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly calle
 exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly called 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -734,7 +700,6 @@ exports[`lifecycle hooks sub widget (inside sub node): hooks are correctly calle
 exports[`lifecycle hooks timeout in onWillStart emits a warning 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span/>\`);
@@ -748,7 +713,6 @@ exports[`lifecycle hooks timeout in onWillStart emits a warning 1`] = `
 exports[`lifecycle hooks timeout in onWillUpdateProps emits a warning 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -763,7 +727,6 @@ exports[`lifecycle hooks timeout in onWillUpdateProps emits a warning 1`] = `
 exports[`lifecycle hooks timeout in onWillUpdateProps emits a warning 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -775,15 +738,19 @@ exports[`lifecycle hooks timeout in onWillUpdateProps emits a warning 2`] = `
 exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents, in proper order 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div><block-child-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = comp1({n: ctx['state'].n}, key + \`__1\`, node, this, null);
-    return block1([], [b2]);
+    const b2 = text(\`
+ \`);
+    const b4 = comp1({n: ctx['state'].n}, key + \`__1\`, node, this, null);
+    const b3 = block3([], [b4]);
+    const b5 = text(\`
+ \`);
+    return multi([b2, b3, b5]);
   }
 }"
 `;
@@ -791,15 +758,19 @@ exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents,
 exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents, in proper order 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildChild\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div><block-child-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = comp1({n: ctx['props'].n}, key + \`__1\`, node, this, null);
-    return block1([], [b2]);
+    const b2 = text(\`
+ \`);
+    const b4 = comp1({n: ctx['props'].n}, key + \`__1\`, node, this, null);
+    const b3 = block3([], [b4]);
+    const b5 = text(\`
+ \`);
+    return multi([b2, b3, b5]);
   }
 }"
 `;
@@ -807,14 +778,18 @@ exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents,
 exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents, in proper order 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-text-0/></div>\`);
+  let block3 = createBlock(\`<div><block-text-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['props'].n;
-    return block1([txt1]);
+    const b3 = block3([txt1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -822,7 +797,6 @@ exports[`lifecycle hooks willPatch, patched hook are called on subsubcomponents,
 exports[`lifecycle hooks willStart hook is called on sub component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -835,7 +809,6 @@ exports[`lifecycle hooks willStart hook is called on sub component 1`] = `
 exports[`lifecycle hooks willStart hook is called on sub component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -849,7 +822,6 @@ exports[`lifecycle hooks willStart hook is called on sub component 2`] = `
 exports[`lifecycle hooks willStart is called 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
@@ -863,7 +835,6 @@ exports[`lifecycle hooks willStart is called 1`] = `
 exports[`lifecycle hooks willStart is called with component as this 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>simple vnode</span>\`);
@@ -877,21 +848,35 @@ exports[`lifecycle hooks willStart is called with component as this 1`] = `
 exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is mounted in some other position 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
-  let block3 = createBlock(\`<div/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/><block-child-1/>
+ </div>\`);
+  let block10 = createBlock(\`<div/>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3;
+    const b2 = text(\`
+ \`);
+    let b4,b8;
     if (ctx['state'].ok) {
-      b2 = comp1({}, key + \`__1\`, node, this, null);
+      const b5 = text(\`
+ \`);
+      const b6 = comp1({}, key + \`__1\`, node, this, null);
+      const b7 = text(\`
+ \`);
+      b4 = multi([b5, b6, b7]);
     } else {
-      b3 = block3();
+      const b9 = text(\`
+ \`);
+      const b10 = block10();
+      const b11 = text(\`
+ \`);
+      b8 = multi([b9, b10, b11]);
     }
-    return block1([], [b2, b3]);
+    const b3 = block3([], [b4, b8]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -899,7 +884,6 @@ exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is
 exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is mounted in some other position 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -913,7 +897,6 @@ exports[`lifecycle hooks willStart, mounted on subwidget rendered after main is
 exports[`lifecycle hooks willUpdateProps hook is called 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -926,7 +909,6 @@ exports[`lifecycle hooks willUpdateProps hook is called 1`] = `
 exports[`lifecycle hooks willUpdateProps hook is called 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);

tests/components/__snapshots__/props.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`basics accept ES6-like syntax for props (with getters) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -19,7 +18,6 @@ exports[`basics accept ES6-like syntax for props (with getters) 1`] = `
 exports[`basics accept ES6-like syntax for props (with getters) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -34,22 +32,32 @@ exports[`basics accept ES6-like syntax for props (with getters) 2`] = `
 exports[`basics arrow functions as prop correctly capture their scope 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block1, v_block1, l_block1, c_block1] = prepareList(ctx['items']);;
-    for (let i1 = 0; i1 < l_block1; i1++) {
-      ctx[\`item\`] = v_block1[i1];
+    const [k_block3, v_block3, l_block3, c_block3] = prepareList(ctx['items']);;
+    for (let i1 = 0; i1 < l_block3; i1++) {
+      ctx[\`item\`] = v_block3[i1];
       const key1 = ctx['item'].val;
+      const b5 = text(\`
+ \`);
       const v1 = ctx['onClick'];
       const v2 = ctx['item'];
-      c_block1[i1] = withKey(comp1({onClick: _ev=>v1(v2.val,_ev)}, key + \`__1__\${key1}\`, node, this, null), key1);
+      const b6 = comp1({onClick: _ev=>v1(v2.val,_ev)}, key + \`__1__\${key1}\`, node, this, null);
+      const b7 = text(\`
+ \`);
+      c_block3[i1] = withKey(multi([b5, b6, b7]), key1);
     }
-    return list(c_block1);
+    ctx = ctx.__proto__;
+    const b3 = list(c_block3);
+    const b8 = text(\`
+ \`);
+    return multi([b2, b3, b8]);
   }
 }"
 `;
@@ -57,7 +65,6 @@ exports[`basics arrow functions as prop correctly capture their scope 1`] = `
 exports[`basics arrow functions as prop correctly capture their scope 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"/>\`);
@@ -72,7 +79,6 @@ exports[`basics arrow functions as prop correctly capture their scope 2`] = `
 exports[`basics explicit object prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -88,7 +94,6 @@ exports[`basics explicit object prop 1`] = `
 exports[`basics explicit object prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -103,7 +108,6 @@ exports[`basics explicit object prop 2`] = `
 exports[`basics prop names can contain - 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -116,7 +120,6 @@ exports[`basics prop names can contain - 1`] = `
 exports[`basics prop names can contain - 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -131,7 +134,6 @@ exports[`basics prop names can contain - 2`] = `
 exports[`basics support prop names that aren't valid bare object property names 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -144,7 +146,6 @@ exports[`basics support prop names that aren't valid bare object property names
 exports[`basics support prop names that aren't valid bare object property names 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button block-handler-0=\\"click\\"/>\`);
@@ -159,24 +160,29 @@ exports[`basics support prop names that aren't valid bare object property names
 exports[`basics t-set with a body expression can be passed in props, and then t-out 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block2 = createBlock(\`<p>43</p>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ </div>\`);
+  let block4 = createBlock(\`<p>43</p>\`);
   
   function value1(ctx, node, key = \\"\\") {
-    return block2();
+    return block4();
   }
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     ctx[\`abc\`] = new LazyValue(value1, ctx, this, node);
-    const b3 = comp1({val: ctx['abc']}, key + \`__1\`, node, this, null);
-    return block1([], [b3]);
+    const b5 = comp1({val: ctx['abc']}, key + \`__1\`, node, this, null);
+    const b3 = block3([], [b5]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -184,16 +190,21 @@ exports[`basics t-set with a body expression can be passed in props, and then t-
 exports[`basics t-set with a body expression can be passed in props, and then t-out 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { safeOutput } = helpers;
   
-  let block1 = createBlock(\`<span><block-text-0/><block-child-0/></span>\`);
+  let block3 = createBlock(\`<span>
+ <block-text-0/>
+ <block-child-0/>
+ </span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['props'].val;
-    const b2 = safeOutput(ctx['props'].val);
-    return block1([txt1], [b2]);
+    const b4 = safeOutput(ctx['props'].val);
+    const b3 = block3([txt1], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -201,19 +212,24 @@ exports[`basics t-set with a body expression can be passed in props, and then t-
 exports[`basics t-set with a body expression can be used as textual prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"abc\\", \`42\`);
-    const b2 = comp1({val: ctx['abc']}, key + \`__1\`, node, this, null);
-    return block1([], [b2]);
+    const b4 = comp1({val: ctx['abc']}, key + \`__1\`, node, this, null);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -221,7 +237,6 @@ exports[`basics t-set with a body expression can be used as textual prop 1`] = `
 exports[`basics t-set with a body expression can be used as textual prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -236,19 +251,24 @@ exports[`basics t-set with a body expression can be used as textual prop 2`] = `
 exports[`basics t-set works  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"val\\", 42);
-    const b2 = comp1({val: ctx['val']}, key + \`__1\`, node, this, null);
-    return block1([], [b2]);
+    const b4 = comp1({val: ctx['val']}, key + \`__1\`, node, this, null);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -256,7 +276,6 @@ exports[`basics t-set works  1`] = `
 exports[`basics t-set works  2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -271,7 +290,6 @@ exports[`basics t-set works  2`] = `
 exports[`basics template string in prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -284,7 +302,6 @@ exports[`basics template string in prop 1`] = `
 exports[`basics template string in prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -296,7 +313,6 @@ exports[`basics template string in prop 2`] = `
 exports[`bound functions is referentially equal after update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { bind } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -310,7 +326,6 @@ exports[`bound functions is referentially equal after update 1`] = `
 exports[`bound functions is referentially equal after update 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -322,7 +337,6 @@ exports[`bound functions is referentially equal after update 2`] = `
 exports[`can bind function prop with bind suffix 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { bind } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -336,7 +350,6 @@ exports[`can bind function prop with bind suffix 1`] = `
 exports[`can bind function prop with bind suffix 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {

tests/components/__snapshots__/props_validation.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`default props a default prop cannot be defined on a mandatory prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -18,7 +17,6 @@ exports[`default props a default prop cannot be defined on a mandatory prop 1`]
 exports[`default props can set default boolean values 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -36,7 +34,6 @@ exports[`default props can set default boolean values 1`] = `
 exports[`default props can set default boolean values 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-child-0/><block-child-1/></span>\`);
@@ -57,7 +54,6 @@ exports[`default props can set default boolean values 2`] = `
 exports[`default props can set default values 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -75,7 +71,6 @@ exports[`default props can set default values 1`] = `
 exports[`default props can set default values 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -90,7 +85,6 @@ exports[`default props can set default values 2`] = `
 exports[`default props default values are also set whenever component is updated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -108,7 +102,6 @@ exports[`default props default values are also set whenever component is updated
 exports[`default props default values are also set whenever component is updated 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -123,7 +116,6 @@ exports[`default props default values are also set whenever component is updated
 exports[`props validation can specify that additional props are allowed (array) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -138,7 +130,6 @@ exports[`props validation can specify that additional props are allowed (array)
 exports[`props validation can specify that additional props are allowed (array) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -152,7 +143,6 @@ exports[`props validation can specify that additional props are allowed (array)
 exports[`props validation can specify that additional props are allowed (object) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -167,7 +157,6 @@ exports[`props validation can specify that additional props are allowed (object)
 exports[`props validation can specify that additional props are allowed (object) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -181,7 +170,6 @@ exports[`props validation can specify that additional props are allowed (object)
 exports[`props validation can validate a prop with multiple types 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -199,7 +187,6 @@ exports[`props validation can validate a prop with multiple types 1`] = `
 exports[`props validation can validate a prop with multiple types 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -213,7 +200,6 @@ exports[`props validation can validate a prop with multiple types 2`] = `
 exports[`props validation can validate a prop with multiple types 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -231,7 +217,6 @@ exports[`props validation can validate a prop with multiple types 3`] = `
 exports[`props validation can validate a prop with multiple types 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -245,7 +230,6 @@ exports[`props validation can validate a prop with multiple types 4`] = `
 exports[`props validation can validate a prop with multiple types 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -263,7 +247,6 @@ exports[`props validation can validate a prop with multiple types 5`] = `
 exports[`props validation can validate an array with given primitive type 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -281,7 +264,6 @@ exports[`props validation can validate an array with given primitive type 1`] =
 exports[`props validation can validate an array with given primitive type 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -295,7 +277,6 @@ exports[`props validation can validate an array with given primitive type 2`] =
 exports[`props validation can validate an array with given primitive type 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -313,7 +294,6 @@ exports[`props validation can validate an array with given primitive type 3`] =
 exports[`props validation can validate an array with given primitive type 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -327,7 +307,6 @@ exports[`props validation can validate an array with given primitive type 4`] =
 exports[`props validation can validate an array with given primitive type 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -345,7 +324,6 @@ exports[`props validation can validate an array with given primitive type 5`] =
 exports[`props validation can validate an array with given primitive type 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -363,7 +341,6 @@ exports[`props validation can validate an array with given primitive type 6`] =
 exports[`props validation can validate an array with multiple sub element types 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -381,7 +358,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -395,7 +371,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -413,7 +388,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -427,7 +401,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -445,7 +418,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -459,7 +431,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an array with multiple sub element types 7`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -477,7 +448,6 @@ exports[`props validation can validate an array with multiple sub element types
 exports[`props validation can validate an object with simple shape 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -495,7 +465,6 @@ exports[`props validation can validate an object with simple shape 1`] = `
 exports[`props validation can validate an object with simple shape 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -509,7 +478,6 @@ exports[`props validation can validate an object with simple shape 2`] = `
 exports[`props validation can validate an object with simple shape 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -527,7 +495,6 @@ exports[`props validation can validate an object with simple shape 3`] = `
 exports[`props validation can validate an object with simple shape 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -545,7 +512,6 @@ exports[`props validation can validate an object with simple shape 4`] = `
 exports[`props validation can validate an object with simple shape 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -563,7 +529,6 @@ exports[`props validation can validate an object with simple shape 5`] = `
 exports[`props validation can validate an optional props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -581,7 +546,6 @@ exports[`props validation can validate an optional props 1`] = `
 exports[`props validation can validate an optional props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -595,7 +559,6 @@ exports[`props validation can validate an optional props 2`] = `
 exports[`props validation can validate an optional props 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -613,7 +576,6 @@ exports[`props validation can validate an optional props 3`] = `
 exports[`props validation can validate an optional props 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -627,7 +589,6 @@ exports[`props validation can validate an optional props 4`] = `
 exports[`props validation can validate an optional props 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -645,7 +606,6 @@ exports[`props validation can validate an optional props 5`] = `
 exports[`props validation can validate recursively complicated prop def 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -663,7 +623,6 @@ exports[`props validation can validate recursively complicated prop def 1`] = `
 exports[`props validation can validate recursively complicated prop def 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -677,7 +636,6 @@ exports[`props validation can validate recursively complicated prop def 2`] = `
 exports[`props validation can validate recursively complicated prop def 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -695,7 +653,6 @@ exports[`props validation can validate recursively complicated prop def 3`] = `
 exports[`props validation can validate recursively complicated prop def 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -709,7 +666,6 @@ exports[`props validation can validate recursively complicated prop def 4`] = `
 exports[`props validation can validate recursively complicated prop def 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -727,7 +683,6 @@ exports[`props validation can validate recursively complicated prop def 5`] = `
 exports[`props validation default values are applied before validating props at update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -745,7 +700,6 @@ exports[`props validation default values are applied before validating props at
 exports[`props validation default values are applied before validating props at update 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -760,7 +714,6 @@ exports[`props validation default values are applied before validating props at
 exports[`props validation missing required boolean prop causes an error 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -778,7 +731,6 @@ exports[`props validation missing required boolean prop causes an error 1`] = `
 exports[`props validation mix of optional and mandatory 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -796,7 +748,6 @@ exports[`props validation mix of optional and mandatory 1`] = `
 exports[`props validation props are validated in dev mode (code snapshot) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -814,7 +765,6 @@ exports[`props validation props are validated in dev mode (code snapshot) 1`] =
 exports[`props validation props are validated in dev mode (code snapshot) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -829,7 +779,6 @@ exports[`props validation props are validated in dev mode (code snapshot) 2`] =
 exports[`props validation props are validated whenever component is updated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -847,7 +796,6 @@ exports[`props validation props are validated whenever component is updated 1`]
 exports[`props validation props are validated whenever component is updated 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -862,7 +810,6 @@ exports[`props validation props are validated whenever component is updated 2`]
 exports[`props validation props: list of strings 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -880,7 +827,6 @@ exports[`props validation props: list of strings 1`] = `
 exports[`props validation validate simple types 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -898,7 +844,6 @@ exports[`props validation validate simple types 1`] = `
 exports[`props validation validate simple types 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -916,7 +861,6 @@ exports[`props validation validate simple types 2`] = `
 exports[`props validation validate simple types 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -930,7 +874,6 @@ exports[`props validation validate simple types 3`] = `
 exports[`props validation validate simple types 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -948,7 +891,6 @@ exports[`props validation validate simple types 4`] = `
 exports[`props validation validate simple types 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -966,7 +908,6 @@ exports[`props validation validate simple types 5`] = `
 exports[`props validation validate simple types 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -984,7 +925,6 @@ exports[`props validation validate simple types 6`] = `
 exports[`props validation validate simple types 7`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -998,7 +938,6 @@ exports[`props validation validate simple types 7`] = `
 exports[`props validation validate simple types 8`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1016,7 +955,6 @@ exports[`props validation validate simple types 8`] = `
 exports[`props validation validate simple types 9`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1034,7 +972,6 @@ exports[`props validation validate simple types 9`] = `
 exports[`props validation validate simple types 10`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1052,7 +989,6 @@ exports[`props validation validate simple types 10`] = `
 exports[`props validation validate simple types 11`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1066,7 +1002,6 @@ exports[`props validation validate simple types 11`] = `
 exports[`props validation validate simple types 12`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1084,7 +1019,6 @@ exports[`props validation validate simple types 12`] = `
 exports[`props validation validate simple types 13`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1102,7 +1036,6 @@ exports[`props validation validate simple types 13`] = `
 exports[`props validation validate simple types 14`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1120,7 +1053,6 @@ exports[`props validation validate simple types 14`] = `
 exports[`props validation validate simple types 15`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1134,7 +1066,6 @@ exports[`props validation validate simple types 15`] = `
 exports[`props validation validate simple types 16`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1152,7 +1083,6 @@ exports[`props validation validate simple types 16`] = `
 exports[`props validation validate simple types 17`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1170,7 +1100,6 @@ exports[`props validation validate simple types 17`] = `
 exports[`props validation validate simple types 18`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1188,7 +1117,6 @@ exports[`props validation validate simple types 18`] = `
 exports[`props validation validate simple types 19`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1202,7 +1130,6 @@ exports[`props validation validate simple types 19`] = `
 exports[`props validation validate simple types 20`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1220,7 +1147,6 @@ exports[`props validation validate simple types 20`] = `
 exports[`props validation validate simple types 21`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1238,7 +1164,6 @@ exports[`props validation validate simple types 21`] = `
 exports[`props validation validate simple types 22`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1256,7 +1181,6 @@ exports[`props validation validate simple types 22`] = `
 exports[`props validation validate simple types 23`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1270,7 +1194,6 @@ exports[`props validation validate simple types 23`] = `
 exports[`props validation validate simple types 24`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1288,7 +1211,6 @@ exports[`props validation validate simple types 24`] = `
 exports[`props validation validate simple types, alternate form 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1306,7 +1228,6 @@ exports[`props validation validate simple types, alternate form 1`] = `
 exports[`props validation validate simple types, alternate form 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1324,7 +1245,6 @@ exports[`props validation validate simple types, alternate form 2`] = `
 exports[`props validation validate simple types, alternate form 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1338,7 +1258,6 @@ exports[`props validation validate simple types, alternate form 3`] = `
 exports[`props validation validate simple types, alternate form 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1356,7 +1275,6 @@ exports[`props validation validate simple types, alternate form 4`] = `
 exports[`props validation validate simple types, alternate form 5`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1374,7 +1292,6 @@ exports[`props validation validate simple types, alternate form 5`] = `
 exports[`props validation validate simple types, alternate form 6`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1392,7 +1309,6 @@ exports[`props validation validate simple types, alternate form 6`] = `
 exports[`props validation validate simple types, alternate form 7`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1406,7 +1322,6 @@ exports[`props validation validate simple types, alternate form 7`] = `
 exports[`props validation validate simple types, alternate form 8`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1424,7 +1339,6 @@ exports[`props validation validate simple types, alternate form 8`] = `
 exports[`props validation validate simple types, alternate form 9`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1442,7 +1356,6 @@ exports[`props validation validate simple types, alternate form 9`] = `
 exports[`props validation validate simple types, alternate form 10`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1460,7 +1373,6 @@ exports[`props validation validate simple types, alternate form 10`] = `
 exports[`props validation validate simple types, alternate form 11`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1474,7 +1386,6 @@ exports[`props validation validate simple types, alternate form 11`] = `
 exports[`props validation validate simple types, alternate form 12`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1492,7 +1403,6 @@ exports[`props validation validate simple types, alternate form 12`] = `
 exports[`props validation validate simple types, alternate form 13`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1510,7 +1420,6 @@ exports[`props validation validate simple types, alternate form 13`] = `
 exports[`props validation validate simple types, alternate form 14`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1528,7 +1437,6 @@ exports[`props validation validate simple types, alternate form 14`] = `
 exports[`props validation validate simple types, alternate form 15`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1542,7 +1450,6 @@ exports[`props validation validate simple types, alternate form 15`] = `
 exports[`props validation validate simple types, alternate form 16`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1560,7 +1467,6 @@ exports[`props validation validate simple types, alternate form 16`] = `
 exports[`props validation validate simple types, alternate form 17`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1578,7 +1484,6 @@ exports[`props validation validate simple types, alternate form 17`] = `
 exports[`props validation validate simple types, alternate form 18`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1596,7 +1501,6 @@ exports[`props validation validate simple types, alternate form 18`] = `
 exports[`props validation validate simple types, alternate form 19`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1610,7 +1514,6 @@ exports[`props validation validate simple types, alternate form 19`] = `
 exports[`props validation validate simple types, alternate form 20`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1628,7 +1531,6 @@ exports[`props validation validate simple types, alternate form 20`] = `
 exports[`props validation validate simple types, alternate form 21`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1646,7 +1548,6 @@ exports[`props validation validate simple types, alternate form 21`] = `
 exports[`props validation validate simple types, alternate form 22`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1664,7 +1565,6 @@ exports[`props validation validate simple types, alternate form 22`] = `
 exports[`props validation validate simple types, alternate form 23`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);
@@ -1678,7 +1578,6 @@ exports[`props validation validate simple types, alternate form 23`] = `
 exports[`props validation validate simple types, alternate form 24`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, false);
   
@@ -1696,7 +1595,6 @@ exports[`props validation validate simple types, alternate form 24`] = `
 exports[`props validation validation is only done in dev mode 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -1714,7 +1612,6 @@ exports[`props validation validation is only done in dev mode 1`] = `
 exports[`props validation validation is only done in dev mode 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`SubComp\`, true, false, false, true);
   
@@ -1730,7 +1627,6 @@ exports[`props validation validation is only done in dev mode 2`] = `
 exports[`props validation validation is only done in dev mode 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>hey</div>\`);

tests/components/__snapshots__/reactivity.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`reactivity in lifecycle Child component doesn't render when state they depend on changes but their parent is about to unmount them 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -20,7 +19,6 @@ exports[`reactivity in lifecycle Child component doesn't render when state they
 exports[`reactivity in lifecycle Child component doesn't render when state they depend on changes but their parent is about to unmount them 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -32,7 +30,6 @@ exports[`reactivity in lifecycle Child component doesn't render when state they
 exports[`reactivity in lifecycle Component is automatically subscribed to reactive object received as prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -45,7 +42,6 @@ exports[`reactivity in lifecycle Component is automatically subscribed to reacti
 exports[`reactivity in lifecycle Component is automatically subscribed to reactive object received as prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -59,7 +55,6 @@ exports[`reactivity in lifecycle Component is automatically subscribed to reacti
 exports[`reactivity in lifecycle can use a state hook 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -74,7 +69,6 @@ exports[`reactivity in lifecycle can use a state hook 1`] = `
 exports[`reactivity in lifecycle can use a state hook 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -89,7 +83,6 @@ exports[`reactivity in lifecycle can use a state hook 2 1`] = `
 exports[`reactivity in lifecycle can use a state hook on Map 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -104,14 +97,18 @@ exports[`reactivity in lifecycle can use a state hook on Map 1`] = `
 exports[`reactivity in lifecycle change state while mounting component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-text-0/></div>\`);
+  let block3 = createBlock(\`<div><block-text-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['state'].val;
-    return block1([txt1]);
+    const b3 = block3([txt1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -119,18 +116,24 @@ exports[`reactivity in lifecycle change state while mounting component 1`] = `
 exports[`reactivity in lifecycle state changes in willUnmount do not trigger rerender 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2;
+    const b2 = text(\`
+ \`);
+    let b4;
     if (ctx['state'].flag) {
-      b2 = comp1({val: ctx['state'].val}, key + \`__1\`, node, this, null);
+      b4 = comp1({val: ctx['state'].val}, key + \`__1\`, node, this, null);
     }
-    return block1([], [b2]);
+    const b3 = block3([], [b4]);
+    const b5 = text(\`
+ \`);
+    return multi([b2, b3, b5]);
   }
 }"
 `;
@@ -138,15 +141,19 @@ exports[`reactivity in lifecycle state changes in willUnmount do not trigger rer
 exports[`reactivity in lifecycle state changes in willUnmount do not trigger rerender 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
+  let block3 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['props'].val;
     let txt2 = ctx['state'].n;
-    return block1([txt1, txt2]);
+    const b3 = block3([txt1, txt2]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;

tests/components/__snapshots__/refs.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`refs basic use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-ref=\\"0\\"/>\`);
@@ -19,23 +18,34 @@ exports[`refs basic use 1`] = `
 exports[`refs can use 2 refs with same name in a t-if/t-else situation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { multiRefSetter } = helpers;
   
-  let block2 = createBlock(\`<div block-ref=\\"0\\"/>\`);
-  let block3 = createBlock(\`<span block-ref=\\"0\\"/>\`);
+  let block5 = createBlock(\`<div block-ref=\\"0\\"/>\`);
+  let block9 = createBlock(\`<span block-ref=\\"0\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = multiRefSetter(refs, \`coucou\`);
-    let b2,b3;
+    let b2,b3,b7;
+    b2 = text(\`
+ \`);
     if (ctx['state'].value) {
-      b2 = block2([ref1]);
+      const b4 = text(\`
+ \`);
+      const b5 = block5([ref1]);
+      const b6 = text(\`
+ \`);
+      b3 = multi([b4, b5, b6]);
     } else {
-      b3 = block3([ref1]);
+      const b8 = text(\`
+ \`);
+      const b9 = block9([ref1]);
+      const b10 = text(\`
+ \`);
+      b7 = multi([b8, b9, b10]);
     }
-    return multi([b2, b3]);
+    return multi([b2, b3, b7]);
   }
 }"
 `;
@@ -43,21 +53,26 @@ exports[`refs can use 2 refs with same name in a t-if/t-else situation 1`] = `
 exports[`refs refs and recursive templates 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Test\`, true, false, false, false);
   
-  let block1 = createBlock(\`<p block-ref=\\"0\\"><block-text-1/><block-child-0/></p>\`);
+  let block3 = createBlock(\`<p block-ref=\\"0\\">
+ <block-text-1/>
+ <block-child-0/>
+ </p>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = (el) => refs[\`root\`] = el;
-    let b2;
+    const b2 = text(\`
+ \`);
+    let b4;
     let txt1 = ctx['props'].tree.value;
     if (ctx['props'].tree.child) {
-      b2 = comp1({tree: ctx['props'].tree.child}, key + \`__1\`, node, this, null);
+      b4 = comp1({tree: ctx['props'].tree.child}, key + \`__1\`, node, this, null);
     }
-    return block1([ref1, txt1], [b2]);
+    const b3 = block3([ref1, txt1], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -65,26 +80,41 @@ exports[`refs refs and recursive templates 1`] = `
 exports[`refs refs are properly bound in slots 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, markRaw } = helpers;
   const comp1 = app.createComponent(\`Dialog\`, true, true, false, true);
   
-  let block1 = createBlock(\`<div><span class=\\"counter\\"><block-text-0/></span><block-child-0/></div>\`);
-  let block2 = createBlock(\`<button block-handler-0=\\"click\\" block-ref=\\"1\\">do something</button>\`);
+  let block3 = createBlock(\`<div>
+ <span class=\\"counter\\"><block-text-0/></span>
+ <block-child-0/>
+ </div>\`);
+  let block4 = createBlock(\`<button block-handler-0=\\"click\\" block-ref=\\"1\\">do something</button>\`);
   
   function slot1(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = (el) => refs[\`myButton\`] = el;
     let hdlr1 = [ctx['doSomething'], ctx];
-    return block2([hdlr1, ref1]);
+    return block4([hdlr1, ref1]);
+  }
+  
+  function slot2(ctx, node, key = \\"\\") {
+    const b6 = text(\`
+ \`);
+    const b7 = text(\`
+ \`);
+    return multi([b6, b7]);
   }
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['state'].val;
     const ctx1 = capture(ctx);
-    const b3 = comp1({slots: markRaw({'footer': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, this, null);
-    return block1([txt1], [b3]);
+    const b8 = comp1({slots: markRaw({'footer': {__render: slot1, __ctx: ctx1}, 'default': {__render: slot2, __ctx: ctx1}})}, key + \`__1\`, node, this, null);
+    const b3 = block3([txt1], [b8]);
+    const b9 = text(\`
+ \`);
+    return multi([b2, b3, b9]);
   }
 }"
 `;
@@ -92,7 +122,6 @@ exports[`refs refs are properly bound in slots 1`] = `
 exports[`refs refs are properly bound in slots 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -108,19 +137,22 @@ exports[`refs refs are properly bound in slots 2`] = `
 exports[`refs throws if there are 2 same refs at the same time 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { multiRefSetter } = helpers;
   
-  let block2 = createBlock(\`<div block-ref=\\"0\\"/>\`);
-  let block3 = createBlock(\`<span block-ref=\\"0\\"/>\`);
+  let block3 = createBlock(\`<div block-ref=\\"0\\"/>\`);
+  let block5 = createBlock(\`<span block-ref=\\"0\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const refs = ctx.__owl__.refs;
     const ref1 = multiRefSetter(refs, \`coucou\`);
-    const b2 = block2([ref1]);
+    const b2 = text(\`
+ \`);
     const b3 = block3([ref1]);
-    return multi([b2, b3]);
+    const b4 = text(\`
+ \`);
+    const b5 = block5([ref1]);
+    return multi([b2, b3, b4, b5]);
   }
 }"
 `;

tests/components/__snapshots__/rendering.test.ts.snap

@@ -3,14 +3,19 @@
 exports[`children, default props and renderings 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = text(ctx['state'].value);
-    const b3 = comp1({}, key + \`__1\`, node, this, null);
-    return multi([b2, b3]);
+    const b2 = text(\`
+ \`);
+    const b3 = text(ctx['state'].value);
+    const b4 = text(\`
+ \`);
+    const b5 = comp1({}, key + \`__1\`, node, this, null);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b4, b5, b6]);
   }
 }"
 `;
@@ -18,7 +23,6 @@ exports[`children, default props and renderings 1`] = `
 exports[`children, default props and renderings 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -30,7 +34,6 @@ exports[`children, default props and renderings 2`] = `
 exports[`force render in case of existing render 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -43,7 +46,6 @@ exports[`force render in case of existing render 1`] = `
 exports[`force render in case of existing render 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
   
@@ -58,7 +60,6 @@ exports[`force render in case of existing render 2`] = `
 exports[`force render in case of existing render 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -70,14 +71,19 @@ exports[`force render in case of existing render 3`] = `
 exports[`rendering semantics can force a render to update sub tree 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = text(ctx['state'].value);
-    const b3 = comp1({}, key + \`__1\`, node, this, null);
-    return multi([b2, b3]);
+    const b2 = text(\`
+ \`);
+    const b3 = text(ctx['state'].value);
+    const b4 = text(\`
+ \`);
+    const b5 = comp1({}, key + \`__1\`, node, this, null);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b4, b5, b6]);
   }
 }"
 `;
@@ -85,7 +91,6 @@ exports[`rendering semantics can force a render to update sub tree 1`] = `
 exports[`rendering semantics can force a render to update sub tree 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -97,14 +102,19 @@ exports[`rendering semantics can force a render to update sub tree 2`] = `
 exports[`rendering semantics can render a parent without rendering child 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = text(ctx['state'].value);
-    const b3 = comp1({}, key + \`__1\`, node, this, null);
-    return multi([b2, b3]);
+    const b2 = text(\`
+ \`);
+    const b3 = text(ctx['state'].value);
+    const b4 = text(\`
+ \`);
+    const b5 = comp1({}, key + \`__1\`, node, this, null);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b4, b5, b6]);
   }
 }"
 `;
@@ -112,7 +122,6 @@ exports[`rendering semantics can render a parent without rendering child 1`] = `
 exports[`rendering semantics can render a parent without rendering child 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -124,12 +133,16 @@ exports[`rendering semantics can render a parent without rendering child 2`] = `
 exports[`rendering semantics props are reactive (nested prop) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
   return function template(ctx, node, key = \\"\\") {
-    return comp1({a: ctx['state']}, key + \`__1\`, node, this, null);
+    const b2 = text(\`
+ \`);
+    const b3 = comp1({a: ctx['state']}, key + \`__1\`, node, this, null);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -137,7 +150,6 @@ exports[`rendering semantics props are reactive (nested prop) 1`] = `
 exports[`rendering semantics props are reactive (nested prop) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -149,12 +161,16 @@ exports[`rendering semantics props are reactive (nested prop) 2`] = `
 exports[`rendering semantics props are reactive 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
   return function template(ctx, node, key = \\"\\") {
-    return comp1({a: ctx['state']}, key + \`__1\`, node, this, null);
+    const b2 = text(\`
+ \`);
+    const b3 = comp1({a: ctx['state']}, key + \`__1\`, node, this, null);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -162,7 +178,6 @@ exports[`rendering semantics props are reactive 1`] = `
 exports[`rendering semantics props are reactive 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -174,14 +189,19 @@ exports[`rendering semantics props are reactive 2`] = `
 exports[`rendering semantics render need a boolean = true to be 'deep' 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = text(ctx['state'].value);
-    const b3 = comp1({}, key + \`__1\`, node, this, null);
-    return multi([b2, b3]);
+    const b2 = text(\`
+ \`);
+    const b3 = text(ctx['state'].value);
+    const b4 = text(\`
+ \`);
+    const b5 = comp1({}, key + \`__1\`, node, this, null);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b4, b5, b6]);
   }
 }"
 `;
@@ -189,7 +209,6 @@ exports[`rendering semantics render need a boolean = true to be 'deep' 1`] = `
 exports[`rendering semantics render need a boolean = true to be 'deep' 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -201,7 +220,6 @@ exports[`rendering semantics render need a boolean = true to be 'deep' 2`] = `
 exports[`rendering semantics render with deep=true followed by render with deep=false work as expected 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -217,7 +235,6 @@ exports[`rendering semantics render with deep=true followed by render with deep=
 exports[`rendering semantics render with deep=true followed by render with deep=false work as expected 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -231,7 +248,6 @@ exports[`rendering semantics render with deep=true followed by render with deep=
 exports[`rendering semantics rendering is atomic (for one subtree) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`B\`, true, false, false, false);
   
@@ -246,7 +262,6 @@ exports[`rendering semantics rendering is atomic (for one subtree) 1`] = `
 exports[`rendering semantics rendering is atomic (for one subtree) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`C\`, true, false, false, false);
   
@@ -259,7 +274,6 @@ exports[`rendering semantics rendering is atomic (for one subtree) 2`] = `
 exports[`rendering semantics rendering is atomic (for one subtree) 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -271,12 +285,16 @@ exports[`rendering semantics rendering is atomic (for one subtree) 3`] = `
 exports[`rendering semantics works as expected for dynamic number of props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, true, false);
   
   return function template(ctx, node, key = \\"\\") {
-    return comp1(Object.assign({}, ctx['state']), key + \`__1\`, node, this, null);
+    const b2 = text(\`
+ \`);
+    const b3 = comp1(Object.assign({}, ctx['state']), key + \`__1\`, node, this, null);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -284,7 +302,6 @@ exports[`rendering semantics works as expected for dynamic number of props 1`] =
 exports[`rendering semantics works as expected for dynamic number of props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {

tests/components/__snapshots__/style_class.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`style and class handling can set class on multi root component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -16,7 +15,6 @@ exports[`style and class handling can set class on multi root component 1`] = `
 exports[`style and class handling can set class on multi root component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block2 = createBlock(\`<div>a</div>\`);
@@ -34,7 +32,6 @@ exports[`style and class handling can set class on multi root component 2`] = `
 exports[`style and class handling can set class on sub component, as prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -47,7 +44,6 @@ exports[`style and class handling can set class on sub component, as prop 1`] =
 exports[`style and class handling can set class on sub component, as prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">child</div>\`);
@@ -62,7 +58,6 @@ exports[`style and class handling can set class on sub component, as prop 2`] =
 exports[`style and class handling can set class on sub sub component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -75,7 +70,6 @@ exports[`style and class handling can set class on sub sub component 1`] = `
 exports[`style and class handling can set class on sub sub component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildChild\`, true, false, false, false);
   
@@ -88,7 +82,6 @@ exports[`style and class handling can set class on sub sub component 2`] = `
 exports[`style and class handling can set class on sub sub component 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">childchild</div>\`);
@@ -103,7 +96,6 @@ exports[`style and class handling can set class on sub sub component 3`] = `
 exports[`style and class handling can set more than one class on sub component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -116,7 +108,6 @@ exports[`style and class handling can set more than one class on sub component 1
 exports[`style and class handling can set more than one class on sub component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">child</div>\`);
@@ -131,13 +122,17 @@ exports[`style and class handling can set more than one class on sub component 2
 exports[`style and class handling can set style and class inside component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div style=\\"font-weight:bold;\\" class=\\"some-class\\">world</div>\`);
+  let block3 = createBlock(\`<div style=\\"font-weight:bold;\\" class=\\"some-class\\">world</div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    return block1();
+    const b2 = text(\`
+ \`);
+    const b3 = block3();
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -145,7 +140,6 @@ exports[`style and class handling can set style and class inside component 1`] =
 exports[`style and class handling class on components do not interfere with user defined classes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -160,7 +154,6 @@ exports[`style and class handling class on components do not interfere with user
 exports[`style and class handling class on sub component, which is switched to another 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -173,7 +166,6 @@ exports[`style and class handling class on sub component, which is switched to a
 exports[`style and class handling class on sub component, which is switched to another 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`ChildA\`, true, false, false, false);
   const comp2 = app.createComponent(\`ChildB\`, true, false, false, false);
@@ -193,7 +185,6 @@ exports[`style and class handling class on sub component, which is switched to a
 exports[`style and class handling class on sub component, which is switched to another 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">a</div>\`);
@@ -208,7 +199,6 @@ exports[`style and class handling class on sub component, which is switched to a
 exports[`style and class handling class on sub component, which is switched to another 4`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span block-attribute-0=\\"class\\">b</span>\`);
@@ -223,7 +213,6 @@ exports[`style and class handling class on sub component, which is switched to a
 exports[`style and class handling class with extra whitespaces (variation) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -239,7 +228,6 @@ exports[`style and class handling class with extra whitespaces (variation) 1`] =
 exports[`style and class handling class with extra whitespaces (variation) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -254,7 +242,6 @@ exports[`style and class handling class with extra whitespaces (variation) 2`] =
 exports[`style and class handling class with extra whitespaces 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -267,7 +254,6 @@ exports[`style and class handling class with extra whitespaces 1`] = `
 exports[`style and class handling class with extra whitespaces 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"/>\`);
@@ -282,7 +268,6 @@ exports[`style and class handling class with extra whitespaces 2`] = `
 exports[`style and class handling component class and parent class combine together 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -295,7 +280,6 @@ exports[`style and class handling component class and parent class combine toget
 exports[`style and class handling component class and parent class combine together 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div class=\\"child\\" block-attribute-0=\\"class\\">child</div>\`);
@@ -337,7 +321,6 @@ exports[`style and class handling dynamic t-att-style is properly added and upda
 exports[`style and class handling empty class attribute is not added on widget root el 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -353,7 +336,6 @@ exports[`style and class handling empty class attribute is not added on widget r
 exports[`style and class handling empty class attribute is not added on widget root el 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span block-attribute-0=\\"class\\"/>\`);
@@ -368,7 +350,6 @@ exports[`style and class handling empty class attribute is not added on widget r
 exports[`style and class handling error in subcomponent with class 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -381,7 +362,6 @@ exports[`style and class handling error in subcomponent with class 1`] = `
 exports[`style and class handling error in subcomponent with class 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\"><block-text-1/></div>\`);
@@ -397,7 +377,6 @@ exports[`style and class handling error in subcomponent with class 2`] = `
 exports[`style and class handling no class is set is child ignores it 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -410,7 +389,6 @@ exports[`style and class handling no class is set is child ignores it 1`] = `
 exports[`style and class handling no class is set is child ignores it 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child</div>\`);
@@ -424,7 +402,6 @@ exports[`style and class handling no class is set is child ignores it 2`] = `
 exports[`style and class handling no class is set is parent does not give it as prop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -437,7 +414,6 @@ exports[`style and class handling no class is set is parent does not give it as
 exports[`style and class handling no class is set is parent does not give it as prop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"class\\">child</div>\`);
@@ -452,7 +428,6 @@ exports[`style and class handling no class is set is parent does not give it as
 exports[`style and class handling style is properly added on widget root el 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -465,7 +440,6 @@ exports[`style and class handling style is properly added on widget root el 1`]
 exports[`style and class handling style is properly added on widget root el 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"style\\"/>\`);
@@ -480,15 +454,19 @@ exports[`style and class handling style is properly added on widget root el 2`]
 exports[`style and class handling t-att-class is properly added/removed on widget root el (v2) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = comp1({class: {b:ctx['state'].b}}, key + \`__1\`, node, this, null);
-    return block1([], [b2]);
+    const b2 = text(\`
+ \`);
+    const b4 = comp1({class: {b:ctx['state'].b}}, key + \`__1\`, node, this, null);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -496,7 +474,6 @@ exports[`style and class handling t-att-class is properly added/removed on widge
 exports[`style and class handling t-att-class is properly added/removed on widget root el (v2) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span class=\\"c\\" block-attribute-0=\\"class\\"/>\`);
@@ -511,7 +488,6 @@ exports[`style and class handling t-att-class is properly added/removed on widge
 exports[`style and class handling t-att-class is properly added/removed on widget root el (v3) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -524,7 +500,6 @@ exports[`style and class handling t-att-class is properly added/removed on widge
 exports[`style and class handling t-att-class is properly added/removed on widget root el (v3) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span class=\\"c\\" block-attribute-0=\\"class\\"/>\`);

tests/components/__snapshots__/t_call.test.ts.snap

@@ -3,18 +3,22 @@
 exports[`t-call dynamic t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, zero } = helpers;
   const call = app.callTemplate.bind(app);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1;
-    const b1 = text(\` owl \`);
-    ctx[zero] = b1;
+    const b3 = text(\`
+ owl
+ \`);
+    ctx[zero] = b3;
     const template1 = (ctx['current'].template);
-    return call(this, template1, ctx, node, key + \`__1\`);
+    const b4 = call(this, template1, ctx, node, key + \`__1\`);
+    return multi([b2, b4]);
   }
 }"
 `;
@@ -22,7 +26,6 @@ exports[`t-call dynamic t-call 1`] = `
 exports[`t-call dynamic t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>foo</div>\`);
@@ -36,7 +39,6 @@ exports[`t-call dynamic t-call 2`] = `
 exports[`t-call dynamic t-call 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -48,7 +50,6 @@ exports[`t-call dynamic t-call 3`] = `
 exports[`t-call dynamic t-call: key is propagated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const call = app.callTemplate.bind(app);
@@ -65,7 +66,6 @@ exports[`t-call dynamic t-call: key is propagated 1`] = `
 exports[`t-call dynamic t-call: key is propagated 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-attribute-0=\\"id\\"/>\`);
@@ -80,7 +80,6 @@ exports[`t-call dynamic t-call: key is propagated 2`] = `
 exports[`t-call dynamic t-call: key is propagated 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -93,17 +92,19 @@ exports[`t-call dynamic t-call: key is propagated 3`] = `
 exports[`t-call handlers are properly bound through a dynamic t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const call = app.callTemplate.bind(app);
   
-  let block1 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
+  let block3 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const template1 = ('__template__999');
-    const b2 = call(this, template1, ctx, node, key + \`__1\`);
+    const b4 = call(this, template1, ctx, node, key + \`__1\`);
     let txt1 = ctx['counter'];
-    return block1([txt1], [b2]);
+    const b3 = block3([txt1], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -111,7 +112,6 @@ exports[`t-call handlers are properly bound through a dynamic t-call 1`] = `
 exports[`t-call handlers are properly bound through a dynamic t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
@@ -126,16 +126,18 @@ exports[`t-call handlers are properly bound through a dynamic t-call 2`] = `
 exports[`t-call handlers are properly bound through a t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
-  let block1 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
+  let block3 = createBlock(\`<div><block-child-0/><block-text-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+    const b2 = text(\`
+ \`);
+    const b4 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
     let txt1 = ctx['counter'];
-    return block1([txt1], [b2]);
+    const b3 = block3([txt1], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -143,7 +145,6 @@ exports[`t-call handlers are properly bound through a t-call 1`] = `
 exports[`t-call handlers are properly bound through a t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
@@ -158,7 +159,6 @@ exports[`t-call handlers are properly bound through a t-call 2`] = `
 exports[`t-call handlers with arguments are properly bound through a t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
@@ -174,7 +174,6 @@ exports[`t-call handlers with arguments are properly bound through a t-call 1`]
 exports[`t-call handlers with arguments are properly bound through a t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p block-handler-0=\\"click\\">lucas</p>\`);
@@ -190,7 +189,6 @@ exports[`t-call handlers with arguments are properly bound through a t-call 2`]
 exports[`t-call parent is set within t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
@@ -206,7 +204,6 @@ exports[`t-call parent is set within t-call 1`] = `
 exports[`t-call parent is set within t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -219,7 +216,6 @@ exports[`t-call parent is set within t-call 2`] = `
 exports[`t-call parent is set within t-call 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>lucas</span>\`);
@@ -233,7 +229,6 @@ exports[`t-call parent is set within t-call 3`] = `
 exports[`t-call parent is set within t-call with no parentNode 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
@@ -246,7 +241,6 @@ exports[`t-call parent is set within t-call with no parentNode 1`] = `
 exports[`t-call parent is set within t-call with no parentNode 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -259,7 +253,6 @@ exports[`t-call parent is set within t-call with no parentNode 2`] = `
 exports[`t-call parent is set within t-call with no parentNode 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>lucas</span>\`);
@@ -273,21 +266,26 @@ exports[`t-call parent is set within t-call with no parentNode 3`] = `
 exports[`t-call recursive t-call binding this -- static t-call 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`recursive\`);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div><block-child-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1;
     setContextValue(ctx, \\"level\\", 0);
-    const b2 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
-    return block1([], [b2]);
+    const b4 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+    ctx = ctx.__proto__;
+    const b3 = block3([], [b4]);
+    const b5 = text(\`
+ \`);
+    return multi([b2, b3, b5]);
   }
 }"
 `;
@@ -295,29 +293,44 @@ exports[`t-call recursive t-call binding this -- static t-call 1`] = `
 exports[`t-call recursive t-call binding this -- static t-call 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
-  let { isBoundary, withDefault, setContextValue } = helpers;
+  let { isBoundary, withDefault, setContextValue, zero } = helpers;
   const callTemplate_1 = app.getTemplate(\`recursive\`);
   
-  let block3 = createBlock(\`<div block-handler-0=\\"click.stop\\"><block-text-1/></div>\`);
+  let block5 = createBlock(\`<div block-handler-0=\\"click.stop\\"><block-text-1/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
-    let b2;
+    let b2,b3,b12;
+    b2 = text(\`
+ \`);
     if (ctx['level']<2) {
+      const b4 = text(\`
+ \`);
       let hdlr1 = [\\"stop\\", ctx['onClicked'].bind(this), ctx];
       let txt1 = ctx['level'];
-      const b3 = block3([hdlr1, txt1]);
+      const b5 = block5([hdlr1, txt1]);
+      const b6 = text(\`
+ \`);
       ctx = Object.create(ctx);
       ctx[isBoundary] = 1;
+      const b8 = text(\`
+ \`);
       setContextValue(ctx, \\"level\\", ctx['level']+1);
-      const b4 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+      const b9 = text(\`
+ \`);
+      const b7 = multi([b8, b9]);
+      ctx[zero] = b7;
+      const b10 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
       ctx = ctx.__proto__;
-      b2 = multi([b3, b4]);
+      const b11 = text(\`
+ \`);
+      b3 = multi([b4, b5, b6, b10, b11]);
     }
-    return multi([b2]);
+    b12 = text(\`
+ \`);
+    return multi([b2, b3, b12]);
   }
 }"
 `;
@@ -325,22 +338,28 @@ exports[`t-call recursive t-call binding this -- static t-call 2`] = `
 exports[`t-call sub components in two t-calls 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`sub\`);
   const callTemplate_2 = app.getTemplate(\`sub\`);
   
-  let block3 = createBlock(\`<div><block-child-0/></div>\`);
+  let block7 = createBlock(\`<div><block-child-0/></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3;
+    let b2,b3,b7;
+    b2 = text(\`
+ \`);
     if (ctx['state'].val===1) {
-      b2 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+      const b4 = text(\`
+ \`);
+      const b5 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
+      const b6 = text(\`
+ \`);
+      b3 = multi([b4, b5, b6]);
     } else {
-      const b4 = callTemplate_2.call(this, ctx, node, key + \`__2\`);
-      b3 = block3([], [b4]);
+      const b8 = callTemplate_2.call(this, ctx, node, key + \`__2\`);
+      b7 = block7([], [b8]);
     }
-    return multi([b2, b3]);
+    return multi([b2, b3, b7]);
   }
 }"
 `;
@@ -348,7 +367,6 @@ exports[`t-call sub components in two t-calls 1`] = `
 exports[`t-call sub components in two t-calls 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -361,7 +379,6 @@ exports[`t-call sub components in two t-calls 2`] = `
 exports[`t-call sub components in two t-calls 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -376,27 +393,37 @@ exports[`t-call sub components in two t-calls 3`] = `
 exports[`t-call t-call in t-foreach and children component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const callTemplate_1 = app.getTemplate(\`__template__999\`);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(['a','b','c']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`val\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(['a','b','c']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`val\`] = v_block4[i1];
       ctx[\`val_first\`] = i1 === 0;
-      ctx[\`val_last\`] = i1 === v_block2.length - 1;
+      ctx[\`val_last\`] = i1 === v_block4.length - 1;
       ctx[\`val_index\`] = i1;
-      ctx[\`val_value\`] = k_block2[i1];
+      ctx[\`val_value\`] = k_block4[i1];
       const key1 = ctx['val'];
-      c_block2[i1] = withKey(callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}\`), key1);
+      const b6 = text(\`
+ \`);
+      const b7 = callTemplate_1.call(this, ctx, node, key + \`__1__\${key1}\`);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -404,7 +431,6 @@ exports[`t-call t-call in t-foreach and children component 1`] = `
 exports[`t-call t-call in t-foreach and children component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -417,7 +443,6 @@ exports[`t-call t-call in t-foreach and children component 2`] = `
 exports[`t-call t-call in t-foreach and children component 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -432,13 +457,15 @@ exports[`t-call t-call in t-foreach and children component 3`] = `
 exports[`t-call t-call with t-call-context and subcomponent 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`someTemplate\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let ctx1 = ctx['subctx'];
-    return callTemplate_1.call(this, ctx1, node, key + \`__1\`);
+    const b3 = callTemplate_1.call(this, ctx1, node, key + \`__1\`);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -446,15 +473,20 @@ exports[`t-call t-call with t-call-context and subcomponent 1`] = `
 exports[`t-call t-call with t-call-context and subcomponent 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const comp2 = app.createComponent(\`Child\`, true, false, false, false);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = comp1({name: ctx['aab']}, key + \`__1\`, node, this, null);
-    const b3 = comp2({name: ctx['lpe']}, key + \`__2\`, node, this, null);
-    return multi([b2, b3]);
+    const b2 = text(\`
+ \`);
+    const b3 = comp1({name: ctx['aab']}, key + \`__1\`, node, this, null);
+    const b4 = text(\`
+ \`);
+    const b5 = comp2({name: ctx['lpe']}, key + \`__2\`, node, this, null);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b4, b5, b6]);
   }
 }"
 `;
@@ -462,7 +494,6 @@ exports[`t-call t-call with t-call-context and subcomponent 2`] = `
 exports[`t-call t-call with t-call-context and subcomponent 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -476,13 +507,15 @@ exports[`t-call t-call with t-call-context and subcomponent 3`] = `
 exports[`t-call t-call with t-call-context, simple use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`someTemplate\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let ctx1 = ctx['subctx'];
-    return callTemplate_1.call(this, ctx1, node, key + \`__1\`);
+    const b3 = callTemplate_1.call(this, ctx1, node, key + \`__1\`);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -490,7 +523,6 @@ exports[`t-call t-call with t-call-context, simple use 1`] = `
 exports[`t-call t-call with t-call-context, simple use 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {

tests/components/__snapshots__/t_call_block.test.ts.snap

@@ -3,7 +3,6 @@
 exports[`t-call-block simple t-call-block with static text 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-child-0/></div>\`);

tests/components/__snapshots__/t_component.test.ts.snap

@@ -3,16 +3,20 @@
 exports[`t-component can switch between dynamic components without the need for a t-key 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const Comp1 = ctx['constructor'].components[ctx['state'].child];
-    const b2 = toggler(Comp1, comp1({}, key + \`__1\`, node, this, Comp1));
-    return block1([], [b2]);
+    const b4 = toggler(Comp1, comp1({}, key + \`__1\`, node, this, Comp1));
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -20,7 +24,6 @@ exports[`t-component can switch between dynamic components without the need for
 exports[`t-component can switch between dynamic components without the need for a t-key 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child a</span>\`);
@@ -34,7 +37,6 @@ exports[`t-component can switch between dynamic components without the need for
 exports[`t-component can switch between dynamic components without the need for a t-key 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child b</span>\`);
@@ -48,7 +50,6 @@ exports[`t-component can switch between dynamic components without the need for
 exports[`t-component can use dynamic components (the class) if given (with different root tagname) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -63,7 +64,6 @@ exports[`t-component can use dynamic components (the class) if given (with diffe
 exports[`t-component can use dynamic components (the class) if given (with different root tagname) 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child a</span>\`);
@@ -77,7 +77,6 @@ exports[`t-component can use dynamic components (the class) if given (with diffe
 exports[`t-component can use dynamic components (the class) if given (with different root tagname) 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child b</div>\`);
@@ -91,7 +90,6 @@ exports[`t-component can use dynamic components (the class) if given (with diffe
 exports[`t-component can use dynamic components (the class) if given 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -106,7 +104,6 @@ exports[`t-component can use dynamic components (the class) if given 1`] = `
 exports[`t-component can use dynamic components (the class) if given 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child a</span>\`);
@@ -120,7 +117,6 @@ exports[`t-component can use dynamic components (the class) if given 2`] = `
 exports[`t-component can use dynamic components (the class) if given 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>child b</span>\`);
@@ -134,7 +130,6 @@ exports[`t-component can use dynamic components (the class) if given 3`] = `
 exports[`t-component modifying a sub widget 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -151,16 +146,18 @@ exports[`t-component modifying a sub widget 1`] = `
 exports[`t-component modifying a sub widget 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<div><block-text-0/><button block-handler-1=\\"click\\">Inc</button></div>\`);
+  let block3 = createBlock(\`<div><block-text-0/><button block-handler-1=\\"click\\">Inc</button></div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['state'].counter;
     const v1 = ctx['state'];
     let hdlr1 = [()=>v1.counter++, ctx];
-    return block1([txt1, hdlr1]);
+    const b3 = block3([txt1, hdlr1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -168,7 +165,6 @@ exports[`t-component modifying a sub widget 2`] = `
 exports[`t-component switching dynamic component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -182,7 +178,6 @@ exports[`t-component switching dynamic component 1`] = `
 exports[`t-component switching dynamic component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child a</div>\`);
@@ -196,7 +191,6 @@ exports[`t-component switching dynamic component 2`] = `
 exports[`t-component switching dynamic component 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -208,7 +202,6 @@ exports[`t-component switching dynamic component 3`] = `
 exports[`t-component t-component works in simple case 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(null, false, false, false, true);
   
@@ -222,7 +215,6 @@ exports[`t-component t-component works in simple case 1`] = `
 exports[`t-component t-component works in simple case 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div>child</div>\`);

tests/components/__snapshots__/t_foreach.test.ts.snap

@@ -3,25 +3,39 @@
 exports[`list of components components in a node in a t-foreach  1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><ul><block-child-0/></ul></div>\`);
-  let block3 = createBlock(\`<li><block-child-0/></li>\`);
+  let block3 = createBlock(\`<div>
+ <ul>
+ <block-child-0/>
+ </ul>
+ </div>\`);
+  let block7 = createBlock(\`<li>
+ <block-child-0/>
+ </li>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['items']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`item\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['items']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`item\`] = v_block4[i1];
       const key1 = 'li_'+ctx['item'];
-      const b4 = comp1({item: ctx['item']}, key + \`__1__\${key1}\`, node, this, null);
-      c_block2[i1] = withKey(block3([], [b4]), key1);
+      const b6 = text(\`
+ \`);
+      const b8 = comp1({item: ctx['item']}, key + \`__1__\${key1}\`, node, this, null);
+      const b7 = block7([], [b8]);
+      const b9 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b9]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -29,7 +43,6 @@ exports[`list of components components in a node in a t-foreach  1`] = `
 exports[`list of components components in a node in a t-foreach  2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -44,25 +57,35 @@ exports[`list of components components in a node in a t-foreach  2`] = `
 exports[`list of components crash on duplicate key in dev mode 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block1, v_block1, l_block1, c_block1] = prepareList([1,2]);;
-    const keys1 = new Set();
-    for (let i1 = 0; i1 < l_block1; i1++) {
-      ctx[\`item\`] = v_block1[i1];
+    const [k_block3, v_block3, l_block3, c_block3] = prepareList([1,2]);;
+    const keys3 = new Set();
+    for (let i1 = 0; i1 < l_block3; i1++) {
+      ctx[\`item\`] = v_block3[i1];
       const key1 = 'child';
-      if (keys1.has(key1)) { throw new Error(\`Got duplicate key in t-foreach: \${key1}\`)}
-      keys1.add(key1);
+      if (keys3.has(key1)) { throw new Error(\`Got duplicate key in t-foreach: \${key1}\`)}
+      keys3.add(key1);
+      const b5 = text(\`
+ \`);
       const props1 = {};
       helpers.validateProps(\`Child\`, props1, ctx);
-      c_block1[i1] = withKey(comp1(props1, key + \`__1__\${key1}\`, node, this, null), key1);
+      const b6 = comp1(props1, key + \`__1__\${key1}\`, node, this, null);
+      const b7 = text(\`
+ \`);
+      c_block3[i1] = withKey(multi([b5, b6, b7]), key1);
     }
-    return list(c_block1);
+    ctx = ctx.__proto__;
+    const b3 = list(c_block3);
+    const b8 = text(\`
+ \`);
+    return multi([b2, b3, b8]);
   }
 }"
 `;
@@ -70,7 +93,6 @@ exports[`list of components crash on duplicate key in dev mode 1`] = `
 exports[`list of components crash on duplicate key in dev mode 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -82,25 +104,32 @@ exports[`list of components crash on duplicate key in dev mode 2`] = `
 exports[`list of components list of sub components inside other nodes 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`SubComponent\`, true, false, false, true);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state'].blips);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`blip\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state'].blips);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`blip\`] = v_block4[i1];
       const key1 = ctx['blip'].id;
-      const b4 = comp1({}, key + \`__1__\${key1}\`, node, this, null);
-      c_block2[i1] = withKey(block3([], [b4]), key1);
+      const b6 = comp1({}, key + \`__1__\${key1}\`, node, this, null);
+      c_block4[i1] = withKey(block5([], [b6]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -108,7 +137,6 @@ exports[`list of components list of sub components inside other nodes 1`] = `
 exports[`list of components list of sub components inside other nodes 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span>asdf</span>\`);
@@ -122,33 +150,48 @@ exports[`list of components list of sub components inside other nodes 2`] = `
 exports[`list of components reconciliation alg works for t-foreach in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state'].s);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`section\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state'].s);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`section\`] = v_block4[i1];
       ctx[\`section_index\`] = i1;
       const key1 = ctx['section_index'];
+      const b6 = text(\`
+ \`);
       ctx = Object.create(ctx);
-      const [k_block3, v_block3, l_block3, c_block3] = prepareList(ctx['section'].blips);;
-      for (let i2 = 0; i2 < l_block3; i2++) {
-        ctx[\`blip\`] = v_block3[i2];
+      const [k_block7, v_block7, l_block7, c_block7] = prepareList(ctx['section'].blips);;
+      for (let i2 = 0; i2 < l_block7; i2++) {
+        ctx[\`blip\`] = v_block7[i2];
         ctx[\`blip_index\`] = i2;
         const key2 = ctx['blip_index'];
-        c_block3[i2] = withKey(comp1({blip: ctx['blip']}, key + \`__1__\${key1}__\${key2}\`, node, this, null), key2);
+        const b9 = text(\`
+ \`);
+        const b10 = comp1({blip: ctx['blip']}, key + \`__1__\${key1}__\${key2}\`, node, this, null);
+        const b11 = text(\`
+ \`);
+        c_block7[i2] = withKey(multi([b9, b10, b11]), key2);
       }
       ctx = ctx.__proto__;
-      c_block2[i1] = withKey(list(c_block3), key1);
+      const b7 = list(c_block7);
+      const b12 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b12]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -156,7 +199,6 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach
 exports[`list of components reconciliation alg works for t-foreach in t-foreach 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -171,35 +213,44 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach
 exports[`list of components reconciliation alg works for t-foreach in t-foreach, 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<p><block-child-0/></p>\`);
-  let block5 = createBlock(\`<p><block-child-0/></p>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<p>
+ <block-child-0/>
+ </p>\`);
+  let block7 = createBlock(\`<p>
+ <block-child-0/>
+ </p>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state'].rows);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`row\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state'].rows);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`row\`] = v_block4[i1];
       const key1 = ctx['row'];
       ctx = Object.create(ctx);
-      const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state'].cols);;
-      for (let i2 = 0; i2 < l_block4; i2++) {
-        ctx[\`col\`] = v_block4[i2];
+      const [k_block6, v_block6, l_block6, c_block6] = prepareList(ctx['state'].cols);;
+      for (let i2 = 0; i2 < l_block6; i2++) {
+        ctx[\`col\`] = v_block6[i2];
         const key2 = ctx['col'];
-        const b6 = comp1({row: ctx['row'],col: ctx['col']}, key + \`__1__\${key1}__\${key2}\`, node, this, null);
-        c_block4[i2] = withKey(block5([], [b6]), key2);
+        const b8 = comp1({row: ctx['row'],col: ctx['col']}, key + \`__1__\${key1}__\${key2}\`, node, this, null);
+        c_block6[i2] = withKey(block7([], [b8]), key2);
       }
       ctx = ctx.__proto__;
-      const b4 = list(c_block4);
-      c_block2[i1] = withKey(block3([], [b4]), key1);
+      const b6 = list(c_block6);
+      c_block4[i1] = withKey(block5([], [b6]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -207,7 +258,6 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach,
 exports[`list of components reconciliation alg works for t-foreach in t-foreach, 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -222,20 +272,27 @@ exports[`list of components reconciliation alg works for t-foreach in t-foreach,
 exports[`list of components simple list 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block1, v_block1, l_block1, c_block1] = prepareList(ctx['state'].elems);;
-    for (let i1 = 0; i1 < l_block1; i1++) {
-      ctx[\`elem\`] = v_block1[i1];
+    const [k_block3, v_block3, l_block3, c_block3] = prepareList(ctx['state'].elems);;
+    for (let i1 = 0; i1 < l_block3; i1++) {
+      ctx[\`elem\`] = v_block3[i1];
       const key1 = ctx['elem'].id;
-      c_block1[i1] = withKey(comp1({value: ctx['elem'].value}, key + \`__1__\${key1}\`, node, this, null), key1);
+      const b5 = text(\`
+ \`);
+      const b6 = comp1({value: ctx['elem'].value}, key + \`__1__\${key1}\`, node, this, null);
+      const b7 = text(\`
+ \`);
+      c_block3[i1] = withKey(multi([b5, b6, b7]), key1);
     }
-    return list(c_block1);
+    const b3 = list(c_block3);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -243,7 +300,6 @@ exports[`list of components simple list 1`] = `
 exports[`list of components simple list 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<span><block-text-0/></span>\`);
@@ -258,23 +314,33 @@ exports[`list of components simple list 2`] = `
 exports[`list of components sub components rendered in a loop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state'].numbers);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`number\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state'].numbers);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`number\`] = v_block4[i1];
       const key1 = ctx['number'];
-      c_block2[i1] = withKey(comp1({n: ctx['number']}, key + \`__1__\${key1}\`, node, this, null), key1);
+      const b6 = text(\`
+ \`);
+      const b7 = comp1({n: ctx['number']}, key + \`__1__\${key1}\`, node, this, null);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -282,7 +348,6 @@ exports[`list of components sub components rendered in a loop 1`] = `
 exports[`list of components sub components rendered in a loop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
@@ -297,23 +362,33 @@ exports[`list of components sub components rendered in a loop 2`] = `
 exports[`list of components sub components with some state rendered in a loop 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state'].numbers);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`number\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state'].numbers);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`number\`] = v_block4[i1];
       const key1 = ctx['number'];
-      c_block2[i1] = withKey(comp1({}, key + \`__1__\${key1}\`, node, this, null), key1);
+      const b6 = text(\`
+ \`);
+      const b7 = comp1({}, key + \`__1__\${key1}\`, node, this, null);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -321,7 +396,6 @@ exports[`list of components sub components with some state rendered in a loop 1`
 exports[`list of components sub components with some state rendered in a loop 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<p><block-text-0/></p>\`);
@@ -336,12 +410,13 @@ exports[`list of components sub components with some state rendered in a loop 2`
 exports[`list of components switch component position 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<span><block-child-0/></span>\`);
+  let block1 = createBlock(\`<span>
+ <block-child-0/>
+ </span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -349,8 +424,14 @@ exports[`list of components switch component position 1`] = `
     for (let i1 = 0; i1 < l_block2; i1++) {
       ctx[\`c\`] = v_block2[i1];
       const key1 = ctx['c'];
-      c_block2[i1] = withKey(comp1({key: ctx['c']}, key + \`__1__\${key1}\`, node, this, null), key1);
+      const b4 = text(\`
+ \`);
+      const b5 = comp1({key: ctx['c']}, key + \`__1__\${key1}\`, node, this, null);
+      const b6 = text(\`
+ \`);
+      c_block2[i1] = withKey(multi([b4, b5, b6]), key1);
     }
+    ctx = ctx.__proto__;
     const b2 = list(c_block2);
     return block1([], [b2]);
   }
@@ -360,7 +441,6 @@ exports[`list of components switch component position 1`] = `
 exports[`list of components switch component position 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -375,24 +455,34 @@ exports[`list of components switch component position 2`] = `
 exports[`list of components t-foreach with t-component, and update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(Array(2));;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`n\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(Array(2));;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`n\`] = v_block4[i1];
       ctx[\`n_index\`] = i1;
       const key1 = ctx['n_index'];
-      c_block2[i1] = withKey(comp1({val: ctx['n_index']}, key + \`__1__\${key1}\`, node, this, null), key1);
+      const b6 = text(\`
+ \`);
+      const b7 = comp1({val: ctx['n_index']}, key + \`__1__\${key1}\`, node, this, null);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -400,15 +490,20 @@ exports[`list of components t-foreach with t-component, and update 1`] = `
 exports[`list of components t-foreach with t-component, and update 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<span><block-text-0/><block-text-1/></span>\`);
+  let block3 = createBlock(\`<span>
+ <block-text-0/>
+ <block-text-1/>
+ </span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['state'].val;
     let txt2 = ctx['props'].val;
-    return block1([txt1, txt2]);
+    const b3 = block3([txt1, txt2]);
+    return multi([b2, b3]);
   }
 }"
 `;

tests/components/__snapshots__/t_key.test.ts.snap

@@ -3,12 +3,13 @@
 exports[`t-key t-foreach with t-key switch component position 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<span><block-child-0/></span>\`);
+  let block1 = createBlock(\`<span>
+ <block-child-0/>
+ </span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -16,9 +17,15 @@ exports[`t-key t-foreach with t-key switch component position 1`] = `
     for (let i1 = 0; i1 < l_block2; i1++) {
       ctx[\`c\`] = v_block2[i1];
       const key1 = ctx['c'];
+      const b4 = text(\`
+ \`);
       const tKey_1 = ctx['key1'];
-      c_block2[i1] = withKey(comp1({key: ctx['c']+ctx['key1']}, tKey_1 + key + \`__1__\${key1}\`, node, this, null), tKey_1 + key1);
+      const b5 = toggler(tKey_1, comp1({key: ctx['c']+ctx['key1']}, tKey_1 + key + \`__1__\${key1}\`, node, this, null));
+      const b6 = text(\`
+ \`);
+      c_block2[i1] = withKey(multi([b4, b5, b6]), key1);
     }
+    ctx = ctx.__proto__;
     const b2 = list(c_block2);
     return block1([], [b2]);
   }
@@ -28,7 +35,6 @@ exports[`t-key t-foreach with t-key switch component position 1`] = `
 exports[`t-key t-foreach with t-key switch component position 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -43,7 +49,6 @@ exports[`t-key t-foreach with t-key switch component position 2`] = `
 exports[`t-key t-key on Component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -57,7 +62,6 @@ exports[`t-key t-key on Component 1`] = `
 exports[`t-key t-key on Component 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -72,7 +76,6 @@ exports[`t-key t-key on Component 2`] = `
 exports[`t-key t-key on Component as a function 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
@@ -89,7 +92,6 @@ exports[`t-key t-key on Component as a function 1`] = `
 exports[`t-key t-key on Component as a function 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -104,12 +106,14 @@ exports[`t-key t-key on Component as a function 2`] = `
 exports[`t-key t-key on multiple Components 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const comp2 = app.createComponent(\`Child\`, true, false, false, false);
   
-  let block1 = createBlock(\`<span><block-child-0/><block-child-1/></span>\`);
+  let block1 = createBlock(\`<span>
+ <block-child-0/>
+ <block-child-1/>
+ </span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const tKey_1 = ctx['key1'];
@@ -124,7 +128,6 @@ exports[`t-key t-key on multiple Components 1`] = `
 exports[`t-key t-key on multiple Components 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -139,13 +142,15 @@ exports[`t-key t-key on multiple Components 2`] = `
 exports[`t-key t-key on multiple Components with t-call 1 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const callTemplate_1 = app.getTemplate(\`calledTemplate\`);
   const callTemplate_2 = app.getTemplate(\`calledTemplate\`);
   
-  let block1 = createBlock(\`<span><block-child-0/><block-child-1/></span>\`);
+  let block1 = createBlock(\`<span>
+ <block-child-0/>
+ <block-child-1/>
+ </span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
@@ -159,6 +164,7 @@ exports[`t-key t-key on multiple Components with t-call 1 1`] = `
     ctx[isBoundary] = 1;
     setContextValue(ctx, \\"key\\", ctx['key2']);
     const b3 = callTemplate_2.call(this, ctx, node, key + \`__2\`);
+    ctx = ctx.__proto__;
     return block1([], [b2, b3]);
   }
 }"
@@ -167,13 +173,17 @@ exports[`t-key t-key on multiple Components with t-call 1 1`] = `
 exports[`t-key t-key on multiple Components with t-call 1 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const tKey_1 = ctx['key'];
-    return toggler(tKey_1, comp1({key: ctx['key']}, tKey_1 + key + \`__1\`, node, this, null));
+    const b3 = toggler(tKey_1, comp1({key: ctx['key']}, tKey_1 + key + \`__1\`, node, this, null));
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -181,7 +191,6 @@ exports[`t-key t-key on multiple Components with t-call 1 2`] = `
 exports[`t-key t-key on multiple Components with t-call 1 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -196,11 +205,12 @@ exports[`t-key t-key on multiple Components with t-call 1 3`] = `
 exports[`t-key t-key on multiple Components with t-call 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const callTemplate_1 = app.getTemplate(\`calledTemplate\`);
   
-  let block1 = createBlock(\`<span><block-child-0/></span>\`);
+  let block1 = createBlock(\`<span>
+ <block-child-0/>
+ </span>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const b2 = callTemplate_1.call(this, ctx, node, key + \`__1\`);
@@ -212,17 +222,20 @@ exports[`t-key t-key on multiple Components with t-call 2 1`] = `
 exports[`t-key t-key on multiple Components with t-call 2 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const comp2 = app.createComponent(\`Child\`, true, false, false, false);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const tKey_1 = ctx['key1'];
-    const b2 = toggler(tKey_1, comp1({key: ctx['key1']}, tKey_1 + key + \`__1\`, node, this, null));
+    const b3 = toggler(tKey_1, comp1({key: ctx['key1']}, tKey_1 + key + \`__1\`, node, this, null));
     const tKey_2 = ctx['key2'];
-    const b3 = toggler(tKey_2, comp2({key: ctx['key2']}, tKey_2 + key + \`__2\`, node, this, null));
-    return multi([b2, b3]);
+    const b4 = toggler(tKey_2, comp2({key: ctx['key2']}, tKey_2 + key + \`__2\`, node, this, null));
+    const b5 = text(\`
+ \`);
+    return multi([b2, b3, b4, b5]);
   }
 }"
 `;
@@ -230,7 +243,6 @@ exports[`t-key t-key on multiple Components with t-call 2 2`] = `
 exports[`t-key t-key on multiple Components with t-call 2 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);

tests/components/__snapshots__/t_model.test.ts.snap

@@ -3,19 +3,26 @@
 exports[`t-model directive .lazy modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"change\\"/><span><block-text-2/></span></div>\`);
+  let block3 = createBlock(\`<div>
+ <input block-attribute-0=\\"value\\" block-handler-1=\\"change\\"/>
+ <span><block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'text';
     let attr1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
     let txt1 = ctx['state'].text;
-    return block1([attr1, hdlr1, txt1]);
+    const b3 = block3([attr1, hdlr1, txt1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -23,19 +30,26 @@ exports[`t-model directive .lazy modifier 1`] = `
 exports[`t-model directive .number modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  let block3 = createBlock(\`<div>
+ <input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>
+ <span><block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'number';
     let attr1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = toNumber(ev.target.value); }];
     let txt1 = ctx['state'].number;
-    return block1([attr1, hdlr1, txt1]);
+    const b3 = block3([attr1, hdlr1, txt1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -43,19 +57,26 @@ exports[`t-model directive .number modifier 1`] = `
 exports[`t-model directive .trim modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  let block3 = createBlock(\`<div>
+ <input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>
+ <span><block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'text';
     let attr1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value.trim(); }];
     let txt1 = ctx['state'].text;
-    return block1([attr1, hdlr1, txt1]);
+    const b3 = block3([attr1, hdlr1, txt1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -63,19 +84,24 @@ exports[`t-model directive .trim modifier 1`] = `
 exports[`t-model directive basic use, on an input 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  let block3 = createBlock(\`<div>
+ <input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>
+ <span><block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'text';
     let attr1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
     let txt1 = ctx['state'].text;
-    return block1([attr1, hdlr1, txt1]);
+    const b3 = block3([attr1, hdlr1, txt1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -83,19 +109,24 @@ exports[`t-model directive basic use, on an input 1`] = `
 exports[`t-model directive basic use, on an input with bracket expression 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  let block3 = createBlock(\`<div>
+ <input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>
+ <span><block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'text';
     let attr1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
     let txt1 = ctx['state'].text;
-    return block1([attr1, hdlr1, txt1]);
+    const b3 = block3([attr1, hdlr1, txt1]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -103,11 +134,13 @@ exports[`t-model directive basic use, on an input with bracket expression 1`] =
 exports[`t-model directive basic use, on another key in component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  let block1 = createBlock(\`<div>
+ <input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>
+ <span><block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const bExpr1 = ctx['some'];
@@ -123,19 +156,25 @@ exports[`t-model directive basic use, on another key in component 1`] = `
 exports[`t-model directive can also define t-on directive on same event, part 1 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-handler-0=\\"input\\" block-attribute-1=\\"value\\" block-handler-2=\\"input\\"/></div>\`);
+  let block3 = createBlock(\`<div>
+ <input block-handler-0=\\"input\\" block-attribute-1=\\"value\\" block-handler-2=\\"input\\"/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let hdlr1 = [ctx['onInput'], ctx];
     const bExpr1 = ctx['state'];
     const expr1 = 'text';
     let attr1 = bExpr1[expr1];
     let hdlr2 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
-    return block1([hdlr1, attr1, hdlr2]);
+    const b3 = block3([hdlr1, attr1, hdlr2]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -143,13 +182,18 @@ exports[`t-model directive can also define t-on directive on same event, part 1
 exports[`t-model directive can also define t-on directive on same event, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input type=\\"radio\\" id=\\"one\\" value=\\"One\\" block-handler-0=\\"click\\" block-attribute-1=\\"checked\\" block-handler-2=\\"click\\"/><input type=\\"radio\\" id=\\"two\\" value=\\"Two\\" block-handler-3=\\"click\\" block-attribute-4=\\"checked\\" block-handler-5=\\"click\\"/><input type=\\"radio\\" id=\\"three\\" value=\\"Three\\" block-handler-6=\\"click\\" block-attribute-7=\\"checked\\" block-handler-8=\\"click\\"/></div>\`);
+  let block3 = createBlock(\`<div>
+ <input type=\\"radio\\" id=\\"one\\" value=\\"One\\" block-handler-0=\\"click\\" block-attribute-1=\\"checked\\" block-handler-2=\\"click\\"/>
+ <input type=\\"radio\\" id=\\"two\\" value=\\"Two\\" block-handler-3=\\"click\\" block-attribute-4=\\"checked\\" block-handler-5=\\"click\\"/>
+ <input type=\\"radio\\" id=\\"three\\" value=\\"Three\\" block-handler-6=\\"click\\" block-attribute-7=\\"checked\\" block-handler-8=\\"click\\"/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let hdlr1 = [ctx['onClick'], ctx];
     const bExpr1 = ctx['state'];
     const expr1 = 'choice';
@@ -165,7 +209,10 @@ exports[`t-model directive can also define t-on directive on same event, part 2
     const expr3 = 'choice';
     let attr3 = bExpr3[expr3] === 'Three';
     let hdlr6 = [(ev) => { bExpr3[expr3] = ev.target.value; }];
-    return block1([hdlr1, attr1, hdlr2, hdlr3, attr2, hdlr4, hdlr5, attr3, hdlr6]);
+    const b3 = block3([hdlr1, attr1, hdlr2, hdlr3, attr2, hdlr4, hdlr5, attr3, hdlr6]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -173,21 +220,28 @@ exports[`t-model directive can also define t-on directive on same event, part 2
 exports[`t-model directive following a scope protecting directive (e.g. t-set) 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"admiral\\", 'Bruno');
     const bExpr1 = ctx['state'];
     const expr1 = 'text';
     let attr1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
-    return block1([attr1, hdlr1]);
+    const b3 = block3([attr1, hdlr1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -195,27 +249,39 @@ exports[`t-model directive following a scope protecting directive (e.g. t-set) 1
 exports[`t-model directive in a t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, toNumber, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"checked\\" block-handler-1=\\"input\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block7 = createBlock(\`<input type=\\"checkbox\\" block-attribute-0=\\"checked\\" block-handler-1=\\"input\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`thing\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`thing\`] = v_block4[i1];
       const key1 = ctx['thing'].id;
+      const b6 = text(\`
+ \`);
       const bExpr1 = ctx['thing'];
       const expr1 = 'f';
       let attr1 = bExpr1[expr1];
       let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.checked; }];
-      c_block2[i1] = withKey(block3([attr1, hdlr1]), key1);
+      const b7 = block7([attr1, hdlr1]);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    const b9 = text(\`
+ \`);
+    return multi([b2, b3, b9]);
   }
 }"
 `;
@@ -223,28 +289,40 @@ exports[`t-model directive in a t-foreach 1`] = `
 exports[`t-model directive in a t-foreach, part 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, toNumber, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block7 = createBlock(\`<input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`thing\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`thing\`] = v_block4[i1];
       ctx[\`thing_index\`] = i1;
       const key1 = ctx['thing_index'];
+      const b6 = text(\`
+ \`);
       const bExpr1 = ctx['state'];
       const expr1 = ctx['thing_index'];
       let attr1 = bExpr1[expr1];
       let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
-      c_block2[i1] = withKey(block3([attr1, hdlr1]), key1);
+      const b7 = block7([attr1, hdlr1]);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    const b9 = text(\`
+ \`);
+    return multi([b2, b3, b9]);
   }
 }"
 `;
@@ -252,28 +330,40 @@ exports[`t-model directive in a t-foreach, part 2 1`] = `
 exports[`t-model directive in a t-foreach, part 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, toNumber, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block7 = createBlock(\`<input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['names']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`name\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['names']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`name\`] = v_block4[i1];
       ctx[\`name_index\`] = i1;
       const key1 = ctx['name_index'];
+      const b6 = text(\`
+ \`);
       const bExpr1 = ctx['state'].values;
       const expr1 = ctx['name'];
       let attr1 = bExpr1[expr1];
       let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
-      c_block2[i1] = withKey(block3([attr1, hdlr1]), key1);
+      const b7 = block7([attr1, hdlr1]);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    const b9 = text(\`
+ \`);
+    return multi([b2, b3, b9]);
   }
 }"
 `;
@@ -281,11 +371,17 @@ exports[`t-model directive in a t-foreach, part 3 1`] = `
 exports[`t-model directive on a select 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><select block-attribute-0=\\"value\\" block-handler-1=\\"change\\"><option value=\\"\\">Please select one</option><option value=\\"red\\">Red</option><option value=\\"blue\\">Blue</option></select><span>Choice: <block-text-2/></span></div>\`);
+  let block1 = createBlock(\`<div>
+ <select block-attribute-0=\\"value\\" block-handler-1=\\"change\\">
+ <option value=\\"\\">Please select one</option>
+ <option value=\\"red\\">Red</option>
+ <option value=\\"blue\\">Blue</option>
+ </select>
+ <span>Choice: <block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const bExpr1 = ctx['state'];
@@ -301,18 +397,28 @@ exports[`t-model directive on a select 1`] = `
 exports[`t-model directive on a select, initial state 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><select block-attribute-0=\\"value\\" block-handler-1=\\"change\\"><option value=\\"\\">Please select one</option><option value=\\"red\\">Red</option><option value=\\"blue\\">Blue</option></select></div>\`);
+  let block3 = createBlock(\`<div>
+ <select block-attribute-0=\\"value\\" block-handler-1=\\"change\\">
+ <option value=\\"\\">Please select one</option>
+ <option value=\\"red\\">Red</option>
+ <option value=\\"blue\\">Blue</option>
+ </select>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'color';
     let attr1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
-    return block1([attr1, hdlr1]);
+    const b3 = block3([attr1, hdlr1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -320,19 +426,26 @@ exports[`t-model directive on a select, initial state 1`] = `
 exports[`t-model directive on a sub state key 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  let block3 = createBlock(\`<div>
+ <input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>
+ <span><block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'].something;
     const expr1 = 'text';
     let attr1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
     let txt1 = ctx['state'].something.text;
-    return block1([attr1, hdlr1, txt1]);
+    const b3 = block3([attr1, hdlr1, txt1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -340,11 +453,14 @@ exports[`t-model directive on a sub state key 1`] = `
 exports[`t-model directive on an input type=radio 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input type=\\"radio\\" id=\\"one\\" value=\\"One\\" block-attribute-0=\\"checked\\" block-handler-1=\\"click\\"/><input type=\\"radio\\" id=\\"two\\" value=\\"Two\\" block-attribute-2=\\"checked\\" block-handler-3=\\"click\\"/><span>Choice: <block-text-4/></span></div>\`);
+  let block1 = createBlock(\`<div>
+ <input type=\\"radio\\" id=\\"one\\" value=\\"One\\" block-attribute-0=\\"checked\\" block-handler-1=\\"click\\"/>
+ <input type=\\"radio\\" id=\\"two\\" value=\\"Two\\" block-attribute-2=\\"checked\\" block-handler-3=\\"click\\"/>
+ <span>Choice: <block-text-4/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const bExpr1 = ctx['state'];
@@ -364,11 +480,13 @@ exports[`t-model directive on an input type=radio 1`] = `
 exports[`t-model directive on an input type=radio, with initial value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input type=\\"radio\\" id=\\"one\\" value=\\"One\\" block-attribute-0=\\"checked\\" block-handler-1=\\"click\\"/><input type=\\"radio\\" id=\\"two\\" value=\\"Two\\" block-attribute-2=\\"checked\\" block-handler-3=\\"click\\"/></div>\`);
+  let block1 = createBlock(\`<div>
+ <input type=\\"radio\\" id=\\"one\\" value=\\"One\\" block-attribute-0=\\"checked\\" block-handler-1=\\"click\\"/>
+ <input type=\\"radio\\" id=\\"two\\" value=\\"Two\\" block-attribute-2=\\"checked\\" block-handler-3=\\"click\\"/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const bExpr1 = ctx['state'];
@@ -387,11 +505,15 @@ exports[`t-model directive on an input type=radio, with initial value 1`] = `
 exports[`t-model directive on an input, type=checkbox 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input type=\\"checkbox\\" block-attribute-0=\\"checked\\" block-handler-1=\\"input\\"/><span><block-child-0/><block-child-1/></span></div>\`);
+  let block1 = createBlock(\`<div>
+ <input type=\\"checkbox\\" block-attribute-0=\\"checked\\" block-handler-1=\\"input\\"/>
+ <span>
+ <block-child-0/><block-child-1/>
+ </span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     let b2,b3;
@@ -412,11 +534,13 @@ exports[`t-model directive on an input, type=checkbox 1`] = `
 exports[`t-model directive on an textarea 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><textarea block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  let block1 = createBlock(\`<div>
+ <textarea block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>
+ <span><block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     const bExpr1 = ctx['state'];
@@ -432,7 +556,6 @@ exports[`t-model directive on an textarea 1`] = `
 exports[`t-model directive t-model on an input with an undefined value 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
@@ -451,13 +574,20 @@ exports[`t-model directive t-model on an input with an undefined value 1`] = `
 exports[`t-model directive t-model on select with static options 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><select block-attribute-0=\\"value\\" block-handler-1=\\"change\\"><option value=\\"a\\"><block-text-2/></option><option value=\\"b\\"><block-text-3/></option><option value=\\"c\\"><block-text-4/></option></select></div>\`);
+  let block3 = createBlock(\`<div>
+ <select block-attribute-0=\\"value\\" block-handler-1=\\"change\\">
+ <option value=\\"a\\"><block-text-2/></option>
+ <option value=\\"b\\"><block-text-3/></option>
+ <option value=\\"c\\"><block-text-4/></option>
+ </select>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'model';
     let attr1 = bExpr1[expr1];
@@ -465,7 +595,10 @@ exports[`t-model directive t-model on select with static options 1`] = `
     let txt1 = 'a';
     let txt2 = 'b';
     let txt3 = 'c';
-    return block1([attr1, hdlr1, txt1, txt2, txt3]);
+    const b3 = block3([attr1, hdlr1, txt1, txt2, txt3]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -473,13 +606,19 @@ exports[`t-model directive t-model on select with static options 1`] = `
 exports[`t-model directive t-model with dynamic values on select options -- 2 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><select block-handler-0=\\"change\\"><option block-attribute-1=\\"value\\" block-attribute-2=\\"selected\\"><block-text-3/></option><option block-attribute-4=\\"value\\" block-attribute-5=\\"selected\\"><block-text-6/></option></select></div>\`);
+  let block3 = createBlock(\`<div>
+ <select block-handler-0=\\"change\\">
+ <option block-attribute-1=\\"value\\" block-attribute-2=\\"selected\\"><block-text-3/></option>
+ <option block-attribute-4=\\"value\\" block-attribute-5=\\"selected\\"><block-text-6/></option>
+ </select>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'model';
     const bValue1 = bExpr1[expr1];
@@ -490,7 +629,10 @@ exports[`t-model directive t-model with dynamic values on select options -- 2 1`
     let attr3 = (ctx['options'][1]);
     let attr4 = bValue1 === (ctx['options'][1]);
     let txt2 = ctx['options'][1];
-    return block1([hdlr1, attr1, attr2, txt1, attr3, attr4, txt2]);
+    const b3 = block3([hdlr1, attr1, attr2, txt1, attr3, attr4, txt2]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -498,13 +640,19 @@ exports[`t-model directive t-model with dynamic values on select options -- 2 1`
 exports[`t-model directive t-model with dynamic values on select options -- 3 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><select block-handler-0=\\"change\\"><option block-attribute-1=\\"value\\" block-attribute-2=\\"selected\\"><block-text-3/></option><option value=\\"b\\" block-attribute-4=\\"selected\\"><block-text-5/></option></select></div>\`);
+  let block3 = createBlock(\`<div>
+ <select block-handler-0=\\"change\\">
+ <option block-attribute-1=\\"value\\" block-attribute-2=\\"selected\\"><block-text-3/></option>
+ <option value=\\"b\\" block-attribute-4=\\"selected\\"><block-text-5/></option>
+ </select>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'model';
     const bValue1 = bExpr1[expr1];
@@ -514,7 +662,10 @@ exports[`t-model directive t-model with dynamic values on select options -- 3 1`
     let txt1 = ctx['options'][0];
     let attr3 = bValue1 === \\"b\\";
     let txt2 = ctx['options'][1];
-    return block1([hdlr1, attr1, attr2, txt1, attr3, txt2]);
+    const b3 = block3([hdlr1, attr1, attr2, txt1, attr3, txt2]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -522,13 +673,19 @@ exports[`t-model directive t-model with dynamic values on select options -- 3 1`
 exports[`t-model directive t-model with dynamic values on select options 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><select block-handler-0=\\"change\\"><option block-attribute-1=\\"value\\" block-attribute-2=\\"selected\\"><block-text-3/></option><option block-attribute-4=\\"value\\" block-attribute-5=\\"selected\\"><block-text-6/></option></select></div>\`);
+  let block3 = createBlock(\`<div>
+ <select block-handler-0=\\"change\\">
+ <option block-attribute-1=\\"value\\" block-attribute-2=\\"selected\\"><block-text-3/></option>
+ <option block-attribute-4=\\"value\\" block-attribute-5=\\"selected\\"><block-text-6/></option>
+ </select>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'model';
     const bValue1 = bExpr1[expr1];
@@ -539,7 +696,10 @@ exports[`t-model directive t-model with dynamic values on select options 1`] = `
     let attr3 = ctx['options'][1];
     let attr4 = bValue1 === ctx['options'][1];
     let txt2 = ctx['options'][1];
-    return block1([hdlr1, attr1, attr2, txt1, attr3, attr4, txt2]);
+    const b3 = block3([hdlr1, attr1, attr2, txt1, attr3, attr4, txt2]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -547,30 +707,44 @@ exports[`t-model directive t-model with dynamic values on select options 1`] = `
 exports[`t-model directive t-model with dynamic values on select options in foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber, prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><select block-handler-0=\\"change\\"><block-child-0/></select></div>\`);
-  let block3 = createBlock(\`<option block-attribute-0=\\"value\\" block-attribute-1=\\"selected\\"><block-text-2/></option>\`);
+  let block3 = createBlock(\`<div>
+ <select block-handler-0=\\"change\\">
+ <block-child-0/>
+ </select>
+ </div>\`);
+  let block7 = createBlock(\`<option block-attribute-0=\\"value\\" block-attribute-1=\\"selected\\"><block-text-2/></option>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'];
     const expr1 = 'model';
     const bValue1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['options']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`v\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['options']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`v\`] = v_block4[i1];
       const key1 = ctx['v'];
+      const b6 = text(\`
+ \`);
       let attr1 = ctx['v'];
       let attr2 = bValue1 === ctx['v'];
       let txt1 = ctx['v'];
-      c_block2[i1] = withKey(block3([attr1, attr2, txt1]), key1);
+      const b7 = block7([attr1, attr2, txt1]);
+      const b8 = text(\`
+ \`);
+      c_block4[i1] = withKey(multi([b6, b7, b8]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([hdlr1], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([hdlr1], [b4]);
+    const b9 = text(\`
+ \`);
+    return multi([b2, b3, b9]);
   }
 }"
 `;
@@ -578,31 +752,38 @@ exports[`t-model directive t-model with dynamic values on select options in fore
 exports[`t-model directive two inputs in a div alternating with a t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-1/></div>\`);
-  let block2 = createBlock(\`<input class=\\"a\\" block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
-  let block3 = createBlock(\`<input class=\\"b\\" block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <block-child-1/>
+ </div>\`);
+  let block4 = createBlock(\`<input class=\\"a\\" block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
+  let block5 = createBlock(\`<input class=\\"b\\" block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    let b2,b3;
+    const b2 = text(\`
+ \`);
+    let b4,b5;
     if (ctx['state'].flag) {
       const bExpr1 = ctx['state'];
       const expr1 = 'text1';
       let attr1 = bExpr1[expr1];
       let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
-      b2 = block2([attr1, hdlr1]);
+      b4 = block4([attr1, hdlr1]);
     }
     if (!ctx['state'].flag) {
       const bExpr2 = ctx['state'];
       const expr2 = 'text2';
       let attr2 = bExpr2[expr2];
       let hdlr2 = [(ev) => { bExpr2[expr2] = ev.target.value; }];
-      b3 = block3([attr2, hdlr2]);
+      b5 = block5([attr2, hdlr2]);
     }
-    return block1([], [b2, b3]);
+    const b3 = block3([], [b4, b5]);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b6]);
   }
 }"
 `;
@@ -610,19 +791,26 @@ exports[`t-model directive two inputs in a div alternating with a t-if 1`] = `
 exports[`t-model directive with expression having a changing key 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { toNumber } = helpers;
   
-  let block1 = createBlock(\`<div><input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/><span><block-text-2/></span></div>\`);
+  let block3 = createBlock(\`<div>
+ <input block-attribute-0=\\"value\\" block-handler-1=\\"input\\"/>
+ <span><block-text-2/></span>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const bExpr1 = ctx['state'].something;
     const expr1 = ctx['text'].key;
     let attr1 = bExpr1[expr1];
     let hdlr1 = [(ev) => { bExpr1[expr1] = ev.target.value; }];
     let txt1 = ctx['state'].something[ctx['text'].key];
-    return block1([attr1, hdlr1, txt1]);
+    const b3 = block3([attr1, hdlr1, txt1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;

tests/components/__snapshots__/t_on.test.ts.snap

@@ -3,30 +3,41 @@
 exports[`t-on t-on expression captured in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<div><button block-handler-0=\\"click\\">expr</button></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<div>
+ <button block-handler-0=\\"click\\">expr</button>
+ 
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 0);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['arr']);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`val\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['arr']);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`val\`] = v_block4[i1];
       const key1 = ctx['val'];
       const v1 = ctx['otherState'];
       const v2 = ctx['iter'];
       let hdlr1 = [()=>v1.vals.push(v2+'_'+v2), ctx];
       setContextValue(ctx, \\"iter\\", ctx['iter']+1);
-      c_block2[i1] = withKey(block3([hdlr1]), key1);
+      c_block4[i1] = withKey(block5([hdlr1]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b6]);
   }
 }"
 `;
@@ -34,18 +45,24 @@ exports[`t-on t-on expression captured in t-foreach 1`] = `
 exports[`t-on t-on expression in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<div><block-text-0/>: <block-text-1/><button block-handler-2=\\"click\\">Expr</button></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<div>
+ <block-text-0/>: <block-text-1/>
+ <button block-handler-2=\\"click\\">Expr</button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state'].values);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`val\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state'].values);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`val\`] = v_block4[i1];
       ctx[\`val_index\`] = i1;
       const key1 = ctx['val'];
       let txt1 = ctx['val_index'];
@@ -53,10 +70,14 @@ exports[`t-on t-on expression in t-foreach 1`] = `
       const v1 = ctx['otherState'];
       const v2 = ctx['val'];
       let hdlr1 = [()=>v1.vals.push(v2), ctx];
-      c_block2[i1] = withKey(block3([txt1, txt2, hdlr1]), key1);
+      c_block4[i1] = withKey(block5([txt1, txt2, hdlr1]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b6]);
   }
 }"
 `;
@@ -64,21 +85,29 @@ exports[`t-on t-on expression in t-foreach 1`] = `
 exports[`t-on t-on expression in t-foreach with t-set 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<div><block-text-0/>: <block-text-1/><button block-handler-2=\\"click\\">Expr</button></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<div>
+ 
+ <block-text-0/>: <block-text-1/>
+ <button block-handler-2=\\"click\\">Expr</button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"bossa\\", 'nova');
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state'].values);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`val\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state'].values);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`val\`] = v_block4[i1];
       ctx[\`val_index\`] = i1;
       const key1 = ctx['val'];
       setContextValue(ctx, \\"bossa\\", ctx['bossa']+'_'+ctx['val_index']);
@@ -88,10 +117,14 @@ exports[`t-on t-on expression in t-foreach with t-set 1`] = `
       const v2 = ctx['val'];
       const v3 = ctx['bossa'];
       let hdlr1 = [()=>v1.vals.push(v2+'_'+v3), ctx];
-      c_block2[i1] = withKey(block3([txt1, txt2, hdlr1]), key1);
+      c_block4[i1] = withKey(block5([txt1, txt2, hdlr1]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b6]);
   }
 }"
 `;
@@ -99,28 +132,38 @@ exports[`t-on t-on expression in t-foreach with t-set 1`] = `
 exports[`t-on t-on method call in t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, withKey } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
-  let block3 = createBlock(\`<div><block-text-0/>: <block-text-1/><button block-handler-2=\\"click\\">meth call</button></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
+  let block5 = createBlock(\`<div>
+ <block-text-0/>: <block-text-1/>
+ <button block-handler-2=\\"click\\">meth call</button>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block2, v_block2, l_block2, c_block2] = prepareList(ctx['state'].values);;
-    for (let i1 = 0; i1 < l_block2; i1++) {
-      ctx[\`val\`] = v_block2[i1];
+    const [k_block4, v_block4, l_block4, c_block4] = prepareList(ctx['state'].values);;
+    for (let i1 = 0; i1 < l_block4; i1++) {
+      ctx[\`val\`] = v_block4[i1];
       ctx[\`val_index\`] = i1;
       const key1 = ctx['val'];
       let txt1 = ctx['val_index'];
       let txt2 = ctx['val']+'';
       const v1 = ctx['val'];
       let hdlr1 = [()=>this.addVal(v1), ctx];
-      c_block2[i1] = withKey(block3([txt1, txt2, hdlr1]), key1);
+      c_block4[i1] = withKey(block5([txt1, txt2, hdlr1]), key1);
     }
-    const b2 = list(c_block2);
-    return block1([], [b2]);
+    ctx = ctx.__proto__;
+    const b4 = list(c_block4);
+    const b3 = block3([], [b4]);
+    const b6 = text(\`
+ \`);
+    return multi([b2, b3, b6]);
   }
 }"
 `;
@@ -128,19 +171,24 @@ exports[`t-on t-on method call in t-foreach 1`] = `
 exports[`t-on t-on on component next to t-on on div 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const catcher1 = createCatcher({\\"click\\":0});
   
-  let block1 = createBlock(\`<div><block-child-0/><p block-handler-0=\\"click\\">dec</p></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ <p block-handler-0=\\"click\\">dec</p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const hdlr1 = [ctx['increment'], ctx];
-    const b2 = catcher1(comp1({value: ctx['state'].value}, key + \`__1\`, node, this, null), [hdlr1]);
+    const b4 = catcher1(comp1({value: ctx['state'].value}, key + \`__1\`, node, this, null), [hdlr1]);
     let hdlr2 = [ctx['decrement'], ctx];
-    return block1([hdlr2], [b2]);
+    const b3 = block3([hdlr2], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -148,7 +196,6 @@ exports[`t-on t-on on component next to t-on on div 1`] = `
 exports[`t-on t-on on component next to t-on on div 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button><block-text-0/></button>\`);
@@ -163,7 +210,6 @@ exports[`t-on t-on on component next to t-on on div 2`] = `
 exports[`t-on t-on on components 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -179,7 +225,6 @@ exports[`t-on t-on on components 1`] = `
 exports[`t-on t-on on components 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button><block-text-0/></button>\`);
@@ -194,23 +239,30 @@ exports[`t-on t-on on components 2`] = `
 exports[`t-on t-on on components and t-foreach 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { prepareList, createCatcher, withKey } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const catcher1 = createCatcher({\\"click\\":0});
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     ctx = Object.create(ctx);
-    const [k_block1, v_block1, l_block1, c_block1] = prepareList(['John','Raoul','Gérald']);;
-    for (let i1 = 0; i1 < l_block1; i1++) {
-      ctx[\`name\`] = v_block1[i1];
+    const [k_block3, v_block3, l_block3, c_block3] = prepareList(['John','Raoul','Gérald']);;
+    for (let i1 = 0; i1 < l_block3; i1++) {
+      ctx[\`name\`] = v_block3[i1];
       const key1 = ctx['name'];
+      const b5 = text(\`
+ \`);
       const v1 = ctx['name'];
       const hdlr1 = [()=>this.log(v1), ctx];
-      c_block1[i1] = withKey(catcher1(comp1({value: ctx['name']}, key + \`__1__\${key1}\`, node, this, null), [hdlr1]), key1);
+      const b6 = catcher1(comp1({value: ctx['name']}, key + \`__1__\${key1}\`, node, this, null), [hdlr1]);
+      const b7 = text(\`
+ \`);
+      c_block3[i1] = withKey(multi([b5, b6, b7]), key1);
     }
-    return list(c_block1);
+    const b3 = list(c_block3);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -218,7 +270,6 @@ exports[`t-on t-on on components and t-foreach 1`] = `
 exports[`t-on t-on on components and t-foreach 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -233,18 +284,24 @@ exports[`t-on t-on on components and t-foreach 2`] = `
 exports[`t-on t-on on components, variation 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
   const catcher1 = createCatcher({\\"click\\":0});
   
-  let block1 = createBlock(\`<div><span/><block-child-0/><p/></div>\`);
+  let block3 = createBlock(\`<div>
+ <span/>
+ <block-child-0/>
+ <p/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const hdlr1 = [ctx['increment'], ctx];
-    const b2 = catcher1(comp1({value: ctx['state'].value}, key + \`__1\`, node, this, null), [hdlr1]);
-    return block1([], [b2]);
+    const b4 = catcher1(comp1({value: ctx['state'].value}, key + \`__1\`, node, this, null), [hdlr1]);
+    const b3 = block3([], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -252,7 +309,6 @@ exports[`t-on t-on on components, variation 1`] = `
 exports[`t-on t-on on components, variation 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button><block-text-0/></button>\`);
@@ -267,7 +323,6 @@ exports[`t-on t-on on components, variation 2`] = `
 exports[`t-on t-on on components, with 'prevent' modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -283,7 +338,6 @@ exports[`t-on t-on on components, with 'prevent' modifier 1`] = `
 exports[`t-on t-on on components, with 'prevent' modifier 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<button><block-text-0/></button>\`);
@@ -298,7 +352,6 @@ exports[`t-on t-on on components, with 'prevent' modifier 2`] = `
 exports[`t-on t-on on components, with a handler update 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, createCatcher } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, false);
@@ -307,10 +360,15 @@ exports[`t-on t-on on components, with a handler update 1`] = `
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"name\\", ctx['state'].name);
+    const b3 = text(\`
+ \`);
     const v1 = ctx['name'];
     const hdlr1 = [()=>this.log(v1), ctx];
-    return catcher1(comp1({value: ctx['name']}, key + \`__1\`, node, this, null), [hdlr1]);
+    const b4 = catcher1(comp1({value: ctx['name']}, key + \`__1\`, node, this, null), [hdlr1]);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -318,7 +376,6 @@ exports[`t-on t-on on components, with a handler update 1`] = `
 exports[`t-on t-on on components, with a handler update 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -333,7 +390,6 @@ exports[`t-on t-on on components, with a handler update 2`] = `
 exports[`t-on t-on on destroyed components 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
@@ -352,7 +408,6 @@ exports[`t-on t-on on destroyed components 1`] = `
 exports[`t-on t-on on destroyed components 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div block-handler-0=\\"click\\"/>\`);
@@ -367,19 +422,26 @@ exports[`t-on t-on on destroyed components 2`] = `
 exports[`t-on t-on on slot, with 'prevent' modifier 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, true, false, true);
   
-  let block1 = createBlock(\`<button>button</button>\`);
+  let block5 = createBlock(\`<button>button</button>\`);
   
   function slot1(ctx, node, key = \\"\\") {
-    return block1();
+    const b4 = text(\`
+ \`);
+    const b5 = block5();
+    const b6 = text(\`
+ \`);
+    return multi([b4, b5, b6]);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return comp1({slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, this, null);
+    const b2 = text(\`
+ \`);
+    const b7 = comp1({slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, this, null);
+    return multi([b2, b7]);
   }
 }"
 `;
@@ -387,7 +449,6 @@ exports[`t-on t-on on slot, with 'prevent' modifier 1`] = `
 exports[`t-on t-on on slot, with 'prevent' modifier 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot, createCatcher } = helpers;
   const catcher1 = createCatcher({\\"click.prevent\\":0});
@@ -402,29 +463,44 @@ exports[`t-on t-on on slot, with 'prevent' modifier 2`] = `
 exports[`t-on t-on on t-set-slots 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, createCatcher, markRaw } = helpers;
   const catcher1 = createCatcher({\\"click\\":0});
   const comp1 = app.createComponent(\`Child\`, true, true, false, true);
   
-  let block6 = createBlock(\`<p>something</p>\`);
-  let block7 = createBlock(\`<p>paragraph</p>\`);
+  let block7 = createBlock(\`<p>something</p>\`);
+  let block9 = createBlock(\`<p>paragraph</p>\`);
   
   function slot1(ctx, node, key = \\"\\") {
-    const b6 = block6();
+    const b6 = text(\`
+ \`);
     const b7 = block7();
+    const b8 = text(\`
+ \`);
+    const b9 = block9();
+    const b10 = text(\`
+ \`);
     const hdlr1 = [()=>this.state.count++, ctx];
-    return catcher1(multi([b6, b7]), [hdlr1]);
+    return catcher1(multi([b6, b7, b8, b9, b10]), [hdlr1]);
+  }
+  
+  function slot2(ctx, node, key = \\"\\") {
+    const b12 = text(\`
+ \`);
+    const b13 = text(\`
+ \`);
+    return multi([b12, b13]);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = text(\` [\`);
+    const b2 = text(\`
+ [\`);
     const b3 = text(ctx['state'].count);
-    const b4 = text(\`] \`);
+    const b4 = text(\`]
+ \`);
     const ctx1 = capture(ctx);
-    const b8 = comp1({slots: markRaw({'myslot': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, this, null);
-    return multi([b2, b3, b4, b8]);
+    const b14 = comp1({slots: markRaw({'myslot': {__render: slot1, __ctx: ctx1}, 'default': {__render: slot2, __ctx: ctx1}})}, key + \`__1\`, node, this, null);
+    return multi([b2, b3, b4, b14]);
   }
 }"
 `;
@@ -432,7 +508,6 @@ exports[`t-on t-on on t-set-slots 1`] = `
 exports[`t-on t-on on t-set-slots 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -445,19 +520,26 @@ exports[`t-on t-on on t-set-slots 2`] = `
 exports[`t-on t-on on t-slots 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { markRaw } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, true, false, true);
   
-  let block1 = createBlock(\`<p>something</p>\`);
+  let block5 = createBlock(\`<p>something</p>\`);
   
   function slot1(ctx, node, key = \\"\\") {
-    return block1();
+    const b4 = text(\`
+ \`);
+    const b5 = block5();
+    const b6 = text(\`
+ \`);
+    return multi([b4, b5, b6]);
   }
   
   return function template(ctx, node, key = \\"\\") {
-    return comp1({slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, this, null);
+    const b2 = text(\`
+ \`);
+    const b7 = comp1({slots: markRaw({'default': {__render: slot1, __ctx: ctx}})}, key + \`__1\`, node, this, null);
+    return multi([b2, b7]);
   }
 }"
 `;
@@ -465,15 +547,16 @@ exports[`t-on t-on on t-slots 1`] = `
 exports[`t-on t-on on t-slots 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot, createCatcher } = helpers;
   const catcher1 = createCatcher({\\"click\\":0});
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = text(\` [\`);
+    const b2 = text(\`
+ [\`);
     const b3 = text(ctx['state'].count);
-    const b4 = text(\`] \`);
+    const b4 = text(\`]
+ \`);
     const hdlr1 = [()=>this.state.count++, ctx];
     const b5 = catcher1(callSlot(ctx, node, key, 'default', false, {}), [hdlr1]);
     return multi([b2, b3, b4, b5]);

tests/components/__snapshots__/t_props.test.ts.snap

@@ -3,15 +3,21 @@
 exports[`t-props basic use 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, true, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = comp1(Object.assign({}, ctx['some'].obj), key + \`__1\`, node, this, null);
-    return block1([], [b2]);
+    const b2 = text(\`
+ \`);
+    const b4 = comp1(Object.assign({}, ctx['some'].obj), key + \`__1\`, node, this, null);
+    const b3 = block3([], [b4]);
+    const b5 = text(\`
+ \`);
+    return multi([b2, b3, b5]);
   }
 }"
 `;
@@ -19,14 +25,20 @@ exports[`t-props basic use 1`] = `
 exports[`t-props basic use 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
-  let block1 = createBlock(\`<span><block-text-0/></span>\`);
+  let block3 = createBlock(\`<span>
+ <block-text-0/>
+ </span>\`);
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['props'].a+ctx['props'].b;
-    return block1([txt1]);
+    const b3 = block3([txt1]);
+    const b4 = text(\`
+ \`);
+    return multi([b2, b3, b4]);
   }
 }"
 `;
@@ -34,7 +46,6 @@ exports[`t-props basic use 2`] = `
 exports[`t-props child receives a copy of the t-props object, not the original 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, true, false);
   
@@ -47,7 +58,6 @@ exports[`t-props child receives a copy of the t-props object, not the original 1
 exports[`t-props child receives a copy of the t-props object, not the original 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);
@@ -61,7 +71,6 @@ exports[`t-props child receives a copy of the t-props object, not the original 2
 exports[`t-props t-props and other props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Comp\`, true, false, true, false);
   
@@ -77,7 +86,6 @@ exports[`t-props t-props and other props 1`] = `
 exports[`t-props t-props and other props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/><block-text-1/></div>\`);
@@ -93,7 +101,6 @@ exports[`t-props t-props and other props 2`] = `
 exports[`t-props t-props only 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Comp\`, true, false, true, false);
   
@@ -109,7 +116,6 @@ exports[`t-props t-props only 1`] = `
 exports[`t-props t-props only 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div><block-text-0/></div>\`);
@@ -124,15 +130,21 @@ exports[`t-props t-props only 2`] = `
 exports[`t-props t-props with props 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   const comp1 = app.createComponent(\`Child\`, true, false, true, false);
   
-  let block1 = createBlock(\`<div><block-child-0/></div>\`);
+  let block3 = createBlock(\`<div>
+ <block-child-0/>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
-    const b2 = comp1(Object.assign({}, ctx['childProps'], {a: 1,b: 2}), key + \`__1\`, node, this, null);
-    return block1([], [b2]);
+    const b2 = text(\`
+ \`);
+    const b4 = comp1(Object.assign({}, ctx['childProps'], {a: 1,b: 2}), key + \`__1\`, node, this, null);
+    const b3 = block3([], [b4]);
+    const b5 = text(\`
+ \`);
+    return multi([b2, b3, b5]);
   }
 }"
 `;
@@ -140,7 +152,6 @@ exports[`t-props t-props with props 1`] = `
 exports[`t-props t-props with props 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   let block1 = createBlock(\`<div/>\`);

tests/components/__snapshots__/t_set.test.ts.snap

@@ -3,29 +3,40 @@
 exports[`t-set slot setted value (with t-set) not accessible with t-esc 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue, capture, markRaw } = helpers;
   const comp1 = app.createComponent(\`Childcomp\`, true, true, false, true);
   
-  let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/><p><block-text-1/></p></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <p><block-text-0/></p>
+ <block-child-0/>
+ <p><block-text-1/></p>
+ </div>\`);
   
   function slot1(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b5 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 'inCall');
-  return text('');
+    const b6 = text(\`
+ \`);
+    return multi([b5, b6]);
   }
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 'source');
     let txt1 = ctx['iter'];
     const ctx1 = capture(ctx);
-    const b2 = comp1({slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, this, null);
+    const b7 = comp1({slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__1\`, node, this, null);
     let txt2 = ctx['iter'];
-    return block1([txt1, txt2], [b2]);
+    const b3 = block3([txt1, txt2], [b7]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -33,7 +44,6 @@ exports[`t-set slot setted value (with t-set) not accessible with t-esc 1`] = `
 exports[`t-set slot setted value (with t-set) not accessible with t-esc 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -53,7 +63,6 @@ exports[`t-set slot setted value (with t-set) not accessible with t-esc 2`] = `
 exports[`t-set slots with a t-set with a component in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, isBoundary, withDefault, LazyValue, safeOutput, markRaw } = helpers;
   const comp1 = app.createComponent(\`C\`, true, false, false, true);
@@ -62,19 +71,33 @@ exports[`t-set slots with a t-set with a component in body 1`] = `
   function slot1(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b4 = text(\`
+ \`);
     ctx[\`v\`] = new LazyValue(value1, ctx, this, node);
-    const b3 = text(\` in slot \`);
-    const b4 = safeOutput(ctx['v']);
-    return multi([b3, b4]);
+    const b9 = text(\`
+ in slot
+ \`);
+    const b10 = safeOutput(ctx['v']);
+    const b11 = text(\`
+ \`);
+    return multi([b4, b9, b10, b11]);
   }
   
   function value1(ctx, node, key = \\"\\") {
-    return comp1({}, key + \`__1\`, node, this, null);
+    const b6 = text(\`
+ \`);
+    const b7 = comp1({}, key + \`__1\`, node, this, null);
+    const b8 = text(\`
+ \`);
+    return multi([b6, b7, b8]);
   }
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const ctx1 = capture(ctx);
-    return comp2({slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, this, null);
+    const b12 = comp2({slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, this, null);
+    return multi([b2, b12]);
   }
 }"
 `;
@@ -82,7 +105,6 @@ exports[`t-set slots with a t-set with a component in body 1`] = `
 exports[`t-set slots with a t-set with a component in body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -97,7 +119,6 @@ exports[`t-set slots with a t-set with a component in body 2`] = `
 exports[`t-set slots with a t-set with a component in body 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -109,32 +130,46 @@ exports[`t-set slots with a t-set with a component in body 3`] = `
 exports[`t-set slots with an t-set with a component in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, isBoundary, withDefault, LazyValue, safeOutput, markRaw } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   const comp2 = app.createComponent(\`Blorg\`, true, true, false, true);
   
-  let block4 = createBlock(\`<div>coffee</div>\`);
+  let block9 = createBlock(\`<div>coffee</div>\`);
   
   function slot1(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b4 = text(\`
+ \`);
     ctx[\`v\`] = new LazyValue(value1, ctx, this, node);
-    const b5 = text(\` tea \`);
-    const b6 = safeOutput(ctx['v']);
-    return multi([b5, b6]);
+    const b11 = text(\`
+ tea
+ \`);
+    const b12 = safeOutput(ctx['v']);
+    const b13 = text(\`
+ \`);
+    return multi([b4, b11, b12, b13]);
   }
   
   function value1(ctx, node, key = \\"\\") {
-    const b3 = comp1({}, key + \`__1\`, node, this, null);
-    const b4 = block4();
-    return multi([b3, b4]);
+    const b6 = text(\`
+ \`);
+    const b7 = comp1({}, key + \`__1\`, node, this, null);
+    const b8 = text(\`
+ \`);
+    const b9 = block9();
+    const b10 = text(\`
+ \`);
+    return multi([b6, b7, b8, b9, b10]);
   }
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const ctx1 = capture(ctx);
-    return comp2({slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, this, null);
+    const b14 = comp2({slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, this, null);
+    return multi([b2, b14]);
   }
 }"
 `;
@@ -142,7 +177,6 @@ exports[`t-set slots with an t-set with a component in body 1`] = `
 exports[`t-set slots with an t-set with a component in body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -157,7 +191,6 @@ exports[`t-set slots with an t-set with a component in body 2`] = `
 exports[`t-set slots with an t-set with a component in body 3`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -169,7 +202,6 @@ exports[`t-set slots with an t-set with a component in body 3`] = `
 exports[`t-set slots with an unused t-set with a component in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { capture, isBoundary, withDefault, LazyValue, markRaw } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
@@ -178,17 +210,30 @@ exports[`t-set slots with an unused t-set with a component in body 1`] = `
   function slot1(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b4 = text(\`
+ \`);
     ctx[\`v\`] = new LazyValue(value1, ctx, this, node);
-    return text(\` in slot \`);
+    const b9 = text(\`
+ in slot
+ \`);
+    return multi([b4, b9]);
   }
   
   function value1(ctx, node, key = \\"\\") {
-    return comp1({}, key + \`__1\`, node, this, null);
+    const b6 = text(\`
+ \`);
+    const b7 = comp1({}, key + \`__1\`, node, this, null);
+    const b8 = text(\`
+ \`);
+    return multi([b6, b7, b8]);
   }
   
   return function template(ctx, node, key = \\"\\") {
+    const b2 = text(\`
+ \`);
     const ctx1 = capture(ctx);
-    return comp2({slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, this, null);
+    const b10 = comp2({slots: markRaw({'default': {__render: slot1, __ctx: ctx1}})}, key + \`__2\`, node, this, null);
+    return multi([b2, b10]);
   }
 }"
 `;
@@ -196,7 +241,6 @@ exports[`t-set slots with an unused t-set with a component in body 1`] = `
 exports[`t-set slots with an unused t-set with a component in body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { callSlot } = helpers;
   
@@ -211,19 +255,25 @@ exports[`t-set slots with an unused t-set with a component in body 2`] = `
 exports[`t-set t-set can't alter component even if key in component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><p><block-text-0/></p><p><block-text-1/></p></div>\`);
+  let block3 = createBlock(\`<div>
+ <p><block-text-0/></p>
+ 
+ <p><block-text-1/></p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['iter'];
     setContextValue(ctx, \\"iter\\", 5);
     let txt2 = ctx['iter'];
-    return block1([txt1, txt2]);
+    const b3 = block3([txt1, txt2]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -231,19 +281,25 @@ exports[`t-set t-set can't alter component even if key in component 1`] = `
 exports[`t-set t-set can't alter component if key not in component 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><p><block-text-0/></p><p><block-text-1/></p></div>\`);
+  let block3 = createBlock(\`<div>
+ <p><block-text-0/></p>
+ 
+ <p><block-text-1/></p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     let txt1 = ctx['iter'];
     setContextValue(ctx, \\"iter\\", 5);
     let txt2 = ctx['iter'];
-    return block1([txt1, txt2]);
+    const b3 = block3([txt1, txt2]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -251,25 +307,47 @@ exports[`t-set t-set can't alter component if key not in component 1`] = `
 exports[`t-set t-set in t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-child-0/><p><block-text-0/></p></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <block-child-0/><block-child-1/><block-child-2/>
+ <p><block-text-0/></p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
+    let b4,b7,b10;
     setContextValue(ctx, \\"flag\\", ctx['state'].flag);
     if (ctx['flag']==='if') {
+      const b5 = text(\`
+ \`);
       setContextValue(ctx, \\"iter\\", 2);
+      const b6 = text(\`
+ \`);
+      b4 = multi([b5, b6]);
     } else if (ctx['flag']==='elif') {
+      const b8 = text(\`
+ \`);
       setContextValue(ctx, \\"iter\\", 3);
+      const b9 = text(\`
+ \`);
+      b7 = multi([b8, b9]);
     } else {
+      const b11 = text(\`
+ \`);
       setContextValue(ctx, \\"iter\\", 4);
+      const b12 = text(\`
+ \`);
+      b10 = multi([b11, b12]);
     }
     let txt1 = ctx['iter'];
-    return block1([txt1]);
+    const b3 = block3([txt1], [b4, b7, b10]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -277,21 +355,28 @@ exports[`t-set t-set in t-if 1`] = `
 exports[`t-set t-set not altered by child comp 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   const comp1 = app.createComponent(\`Childcomp\`, true, false, false, true);
   
-  let block1 = createBlock(\`<div><p><block-text-0/></p><block-child-0/><p><block-text-1/></p></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <p><block-text-0/></p>
+ <block-child-0/>
+ <p><block-text-1/></p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     setContextValue(ctx, \\"iter\\", 'source');
     let txt1 = ctx['iter'];
-    const b2 = comp1({}, key + \`__1\`, node, this, null);
+    const b4 = comp1({}, key + \`__1\`, node, this, null);
     let txt2 = ctx['iter'];
-    return block1([txt1, txt2], [b2]);
+    const b3 = block3([txt1, txt2], [b4]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -299,7 +384,6 @@ exports[`t-set t-set not altered by child comp 1`] = `
 exports[`t-set t-set not altered by child comp 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
@@ -319,26 +403,49 @@ exports[`t-set t-set not altered by child comp 2`] = `
 exports[`t-set t-set outside modified in t-if 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, setContextValue } = helpers;
   
-  let block1 = createBlock(\`<div><block-child-0/><block-child-0/><block-child-0/><p><block-text-0/></p></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ 
+ <block-child-0/><block-child-1/><block-child-2/>
+ <p><block-text-0/></p>
+ </div>\`);
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
+    let b4,b7,b10;
     setContextValue(ctx, \\"iter\\", 0);
     setContextValue(ctx, \\"flag\\", ctx['state'].flag);
     if (ctx['flag']==='if') {
+      const b5 = text(\`
+ \`);
       setContextValue(ctx, \\"iter\\", 2);
+      const b6 = text(\`
+ \`);
+      b4 = multi([b5, b6]);
     } else if (ctx['flag']==='elif') {
+      const b8 = text(\`
+ \`);
       setContextValue(ctx, \\"iter\\", 3);
+      const b9 = text(\`
+ \`);
+      b7 = multi([b8, b9]);
     } else {
+      const b11 = text(\`
+ \`);
       setContextValue(ctx, \\"iter\\", 4);
+      const b12 = text(\`
+ \`);
+      b10 = multi([b11, b12]);
     }
     let txt1 = ctx['iter'];
-    return block1([txt1]);
+    const b3 = block3([txt1], [b4, b7, b10]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -346,23 +453,33 @@ exports[`t-set t-set outside modified in t-if 1`] = `
 exports[`t-set t-set with a component in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue, safeOutput } = helpers;
   const comp1 = app.createComponent(\`Child\`, true, false, false, true);
   
-  let block1 = createBlock(\`<div><div><block-child-0/></div></div>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <div><block-child-0/></div>
+ </div>\`);
   
   function value1(ctx, node, key = \\"\\") {
-    return comp1({}, key + \`__1\`, node, this, null);
+    const b5 = text(\`
+ \`);
+    const b6 = comp1({}, key + \`__1\`, node, this, null);
+    const b7 = text(\`
+ \`);
+    return multi([b5, b6, b7]);
   }
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     ctx[\`v\`] = new LazyValue(value1, ctx, this, node);
-    const b3 = safeOutput(ctx['v']);
-    return block1([], [b3]);
+    const b8 = safeOutput(ctx['v']);
+    const b3 = block3([], [b8]);
+    return multi([b2, b3]);
   }
 }"
 `;
@@ -370,7 +487,6 @@ exports[`t-set t-set with a component in body 1`] = `
 exports[`t-set t-set with a component in body 2`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   
   return function template(ctx, node, key = \\"\\") {
@@ -382,23 +498,33 @@ exports[`t-set t-set with a component in body 2`] = `
 exports[`t-set t-set with something in body 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
-  \\"use strict\\";
   let { text, createBlock, list, multi, html, toggler, comment } = bdom;
   let { isBoundary, withDefault, LazyValue, safeOutput } = helpers;
   
-  let block1 = createBlock(\`<div><div><block-child-0/></div></div>\`);
-  let block2 = createBlock(\`<p>coucou</p>\`);
+  let block3 = createBlock(\`<div>
+ 
+ <div><block-child-0/></div>
+ </div>\`);
+  let block6 = createBlock(\`<p>coucou</p>\`);
   
   function value1(ctx, node, key = \\"\\") {
-    return block2();
+    const b5 = text(\`
+ \`);
+    const b6 = block6();
+    const b7 = text(\`
+ \`);
+    return multi([b5, b6, b7]);
   }
   
   return function template(ctx, node, key = \\"\\") {
     ctx = Object.create(ctx);
     ctx[isBoundary] = 1
+    const b2 = text(\`
+ \`);
     ctx[\`v\`] = new LazyValue(value1, ctx, this, node);
-    const b3 = safeOutput(ctx['v']);
-    return block1([], [b3]);
+    const b8 = safeOutput(ctx['v']);
+    const b3 = block3([], [b8]);
+    return multi([b2, b3]);
   }
 }"
 `;

tests/components/basics.test.ts

@@ -1084,4 +1084,25 @@ describe("t-out in components", () => {
     await nextTick();
     expect(fixture.innerHTML).toBe("<div>1</div><div>2</div>");
   });
+
+  test("t-out and updating falsy values, ", async () => {
+    class Test extends Component {
+      static template = xml`<t t-out="state.a"/>`;
+      state: any = useState({ a: 0 });
+    }
+
+    const comp = await mount(Test, fixture);
+    expect(fixture.innerHTML).toBe("0");
+    comp.state.a = undefined;
+    await nextTick();
+    expect(fixture.innerHTML).toBe("");
+
+    comp.state.a = "hello";
+    await nextTick();
+    expect(fixture.innerHTML).toBe("hello");
+
+    comp.state.a = false;
+    await nextTick();
+    expect(fixture.innerHTML).toBe("false");
+  });
 });