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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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examples/web/static/tests/ui/__snapshots__/navbar.test.ts.snap
+4 -40
View File
@@ -1,45 +1,9 @@
// Jest Snapshot v1, https://goo.gl/fbAQLP
exports[`can be rendered (in home menu, no app) 1`] = `
"<div class=\\"o_navbar o_in_home\\">
</div>"
`;
exports[`can be rendered (in home menu, no app) 1`] = `"<div class=\\"o_navbar o_in_home\\"></div>"`;
exports[`can be rendered (in home menu, one active app) 1`] = `
"<div class=\\"o_navbar o_in_home\\">
<a aria-label=\\"Applications\\" class=\\"o_title fa fa-chevron-left\\" href=\\"#\\" title=\\"Applications\\" accesskey=\\"h\\"></a>
</div>"
`;
exports[`can be rendered (in home menu, one active app) 1`] = `"<div class=\\"o_navbar o_in_home\\"><a aria-label=\\"Applications\\" class=\\"o_title fa fa-chevron-left\\" href=\\"#\\" title=\\"Applications\\" accesskey=\\"h\\"></a></div>"`;
exports[`can render one menu item 1`] = `
"<div class=\\"o_navbar\\">
<a aria-label=\\"Applications\\" class=\\"o_title fa fa-th\\" href=\\"#\\" title=\\"Applications\\" accesskey=\\"h\\"></a>
<a class=\\"o_menu_brand\\" href=\\"\\" role=\\"button\\">
Discuss
</a>
<ul class=\\"o_menu_sections\\">
</ul>
</div>"
`;
exports[`can render one menu item 1`] = `"<div class=\\"o_navbar\\"><a aria-label=\\"Applications\\" class=\\"o_title fa fa-th\\" href=\\"#\\" title=\\"Applications\\" accesskey=\\"h\\"></a><a class=\\"o_menu_brand\\" href=\\"\\" role=\\"button\\">Discuss</a><ul class=\\"o_menu_sections\\"></ul></div>"`;
exports[`mobile mode: navbar is different 1`] = `
"<div class=\\"o_navbar\\">
<a aria-label=\\"Applications\\" class=\\"o_title fa fa-th\\" href=\\"#\\" title=\\"Applications\\" accesskey=\\"h\\"></a>
<a class=\\"o_menu_brand\\" href=\\"\\" role=\\"button\\">
Notes
</a>
<ul class=\\"o_menu_sections\\">
<li>MOBILEMODE</li>
</ul>
</div>"
`;
exports[`mobile mode: navbar is different 1`] = `"<div class=\\"o_navbar\\"><a aria-label=\\"Applications\\" class=\\"o_title fa fa-th\\" href=\\"#\\" title=\\"Applications\\" accesskey=\\"h\\"></a><a class=\\"o_menu_brand\\" href=\\"\\" role=\\"button\\">Notes</a><ul class=\\"o_menu_sections\\"><li>MOBILEMODE</li></ul></div>"`;