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make widget class generic on props

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This commit is contained in:
Géry Debongnie
2019-01-28 21:32:21 +01:00
parent d80421d647
commit 2ea569f7aa
10 changed files with 58 additions and 54 deletions
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web/static/src/ts/core/Widget.ts
+10 -10
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@@ -23,8 +23,8 @@ interface Meta<T extends WEnv> {
isStarted: boolean;
isMounted: boolean;
isDestroyed: boolean;
parent: Widget<T> | null;
children: { [key: number]: Widget<T> };
parent: Widget<T, {}> | null;
children: { [key: number]: Widget<T, {}> };
// children mapping: from templateID to widgetID
// should it be a map number => Widget?
cmap: { [key: number]: number };
@@ -35,7 +35,7 @@ const patch = init([sdListeners, sdAttrs]);
//------------------------------------------------------------------------------
// Widget
//------------------------------------------------------------------------------
export class Widget<T extends WEnv> {
export class Widget<T extends WEnv, Props> {
__widget__: Meta<WEnv>;
name: string = "widget";
template: string = "<div></div>";
@@ -46,18 +46,18 @@ export class Widget<T extends WEnv> {
env: T;
state: Object = {};
props: any;
refs: { [key: string]: Widget<T> | HTMLElement | undefined } = {};
props: Props | undefined;
refs: { [key: string]: Widget<T, {}> | HTMLElement | undefined } = {};
//--------------------------------------------------------------------------
// Lifecycle
//--------------------------------------------------------------------------
constructor(parent: Widget<T> | T, props?: any) {
constructor(parent: Widget<T, {}> | T, props?: Props) {
wl.push(this);
this.props = props;
let id: number;
let p: Widget<T> | null = null;
let p: Widget<T, any> | null = null;
if (parent instanceof Widget) {
p = parent;
this.env = parent.env;
@@ -83,7 +83,7 @@ export class Widget<T extends WEnv> {
mounted() {}
shouldUpdate(nextProps: any): boolean {
shouldUpdate(nextProps: Props): boolean {
return true;
}
@@ -147,7 +147,7 @@ export class Widget<T extends WEnv> {
}
}
updateProps(nextProps?: any): Promise<void> {
updateProps(nextProps: Props): Promise<void> {
const shouldUpdate = this.shouldUpdate(nextProps);
this.props = nextProps;
return shouldUpdate ? this.render() : Promise.resolve();
@@ -205,7 +205,7 @@ export class Widget<T extends WEnv> {
}
}
private visitSubTree(callback: (w: Widget<T>) => void) {
private visitSubTree(callback: (w: Widget<T, any>) => void) {
callback(this);
const children = this.__widget__.children;
for (let id in children) {