[wp-trac] [WordPress Trac] #42213: Code Editors: Filter autocomplete suggestions

[WordPress Trac]

#42213: Code Editors: Filter autocomplete suggestions
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 Reporter:  melchoyce     |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.9
Component:  General       |     Version:
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by WraithKenny):

 The proof of concept patch is a working patch showing what would be needed
 to achieve the functionality.

 (To test the patch, please enable `SCRIPT_DEBUG` as it currently breaks
 the grunt build step because of the class syntax.)

 The patch uses a couple utilities from Chrome's dev tools, most
 significantly, the `CSSMetadata` class, which does all of the work. (and a
 shim for `Array.pushAll()`.)

 It also copies out a few of CodeMirror's own utilities. (a helper function
 from the `CSS` mode, and the default bundled `css-hint.js` for
 modification.)

 This is really raw code, and a number of improvements can be made to
 improve it:
  * Trim out unneeded code from `SDK.CSSMetadata`
  * Organize the new code into the main file better
  * redo `getPropertyName()`
  * maybe not show so many vendor-prefixed values

 The code isn't fully complete either. We'd have to import more of the dev
 tools, specifically, wherever `Common.Color` is defined. (color based
 properties are erroring.)

 Basically, this shows it can be done, it's just a lot of code.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42213#comment:3>
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