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imp: qweb compiler now condenses whitespaces

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This is a pretty big breaking change: the html output by qweb is now
different.

The main goal is to optimize the compiled templates:
- condense all consecutive whitespaces into a single spaces
- if possible, drop completely some text nodes, based on the following
  heuristic: if a text node is only composed of whitespaces, and
contains at least one linebreak, then it can be dropped.

This leads in my benchmark test to an improvement of about 10%, in
rendering speed and in memory consuption.

Note: whitespace here means anything that matches the \s regexp: newlines,
tabs, ...

close #8
This commit is contained in:
Géry Debongnie
2019-03-22 11:09:57 +01:00
parent d81e5d8f4f
commit a7d2edd0c9
11 changed files with 169 additions and 468 deletions
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tests/__snapshots__/store.test.ts.snap
+2 -12
View File
@@ -1,15 +1,5 @@
// Jest Snapshot v1, https://goo.gl/fbAQLP
exports[`connecting a component to store connecting a component works 1`] = `
"<div>
</div>"
`;
exports[`connecting a component to store connecting a component works 1`] = `"<div></div>"`;
exports[`connecting a component to store connecting a component works 2`] = `
"<div>
<span>hello</span>
</div>"
`;
exports[`connecting a component to store connecting a component works 2`] = `"<div><span>hello</span></div>"`;