[wp-trac] [WordPress Trac] #64662: Add TypeScript static analysis for core JavaScript files

[WordPress Trac]

#64662: Add TypeScript static analysis for core JavaScript files
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 Reporter:  westonruter       |       Owner:  westonruter
     Type:  task (blessed)    |      Status:  accepted
 Priority:  normal            |   Milestone:  7.0
Component:  Build/Test Tools  |     Version:
 Severity:  normal            |  Resolution:
 Keywords:                    |     Focuses:  javascript
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Comment (by westonruter):

 In [changeset:"61800" 61800]:
 {{{
 #!CommitTicketReference repository="" revision="61800"
 Code Editor: Improve types and fix options handling to avoid double-
 linting at initialization.

 * Refactor how CodeMirror is initialized so that the full settings are
 provided up-front. This avoids the linting from being applied twice at
 initialization, the first time with an incorrect configuration.
 * Add initial TypeScript configuration for core with `npm run
 typecheck:js`.
 * Add comprehensive types for code editor files: `code-editor.js`,
 `javascript-lint.js`, and `htmlhint-kses.js`.
 * Move code editor scripts from `src/js/_enqueues/vendor/codemirror/` to
 `src/js/_enqueues/lib/codemirror/`. The CodeMirror library is sourced from
 the npm package as of r61539.
 * Remove (deprecated) `esprima.js` from being committed to SVN since in
 r61539 it was switched to using the npm package as its source.
 * Move `fakejshint.js` to `src/js/_enqueues/deprecated`.

 Developed in https://github.com/WordPress/wordpress-develop/pull/10900

 Follow up to r61611, r61539.

 Props westonruter, jonsurrell, justlevine.
 See #64662, #48456.
 Fixes #64661.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64662#comment:5>
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