bug#71550: [PATCH] Add jsdoc support to js-ts-mode

[Damien Cassou]

Tags: patch

Hi,

jsdoc [1] is a special syntax to document JavaScript code. The attached
patch adds a jsdoc parser and font-lock settings to files using the
`js-ts-mode' major mode if the jsdoc grammar is available. Before/after
screenshots are attached to this email.

[1] jsdoc: https://jsdoc.app/

The new code does *not* make `js-ts-mode' dependent on the availability
of the jsdoc grammar: instead, `js-ts-mode' will keep working as it
works today if the jsdoc grammar is absent.

The support for paragraph filling currently in master is broken because
the prefix '*' isn't added at the beginning of lines when filling
documentation blocks. I tried changing the value of
`c-ts-common--comment-regexp' to include "description" (as this is what
the jsdoc parser uses for text) but the result is worse. I also tried
reusing `js-fill-paragraph' but that fails as well. The result of this
patch is that `M-q' doesn't change anything anymore in these blocks. I
will report a bug and seek assistance to fix it if this patch is merged.

Best,

-- 
Damien Cassou

"Success is the ability to go from one failure to another without
losing enthusiasm." --Winston Churchill

0001-Add-jsdoc-support-to-js-ts-mode.patch
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after.png
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before.png
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