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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__/notification.test.ts.snap
+2 -24
View File
@@ -1,27 +1,5 @@
// Jest Snapshot v1, https://goo.gl/fbAQLP
exports[`can be rendered (type = warning) 1`] = `
"<div class=\\"o_notification o_error\\">
<div class=\\"o_notification_title\\">
<span class=\\"o_icon fa fa-3x fa-exclamation\\" role=\\"img\\" aria-label=\\"Notification title\\" title=\\"Notification title\\"></span>
title
</div>
<div class=\\"o_notification_content\\">
message
</div>
</div>"
`;
exports[`can be rendered (type = warning) 1`] = `"<div class=\\"o_notification o_error\\"><div class=\\"o_notification_title\\"><span class=\\"o_icon fa fa-3x fa-exclamation\\" role=\\"img\\" aria-label=\\"Notification title\\" title=\\"Notification title\\"></span>title</div><div class=\\"o_notification_content\\">message</div></div>"`;
exports[`can be rendered 1`] = `
"<div class=\\"o_notification\\">
<div class=\\"o_notification_title\\">
<span class=\\"o_icon fa fa-3x fa-lightbulb\\" role=\\"img\\" aria-label=\\"Notification title\\" title=\\"Notification title\\"></span>
title
</div>
<div class=\\"o_notification_content\\">
message
</div>
</div>"
`;
exports[`can be rendered 1`] = `"<div class=\\"o_notification\\"><div class=\\"o_notification_title\\"><span class=\\"o_icon fa fa-3x fa-lightbulb\\" role=\\"img\\" aria-label=\\"Notification title\\" title=\\"Notification title\\"></span>title</div><div class=\\"o_notification_content\\">message</div></div>"`;