fix(web-app): replace removed stylelint --syntax flag#4241
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tomsun28 merged 2 commits intoJul 25, 2026
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stylelint 14 removed the --syntax option, so lint:style crashed before linting anything. Use customSyntax with postcss-less (postcss 8 compatible) instead.
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Close #3728
What's changed
npm run lint:stylecrashed immediately with:stylelint 14 removed the
--syntaxCLI flag, but thelint:stylescript stillpassed
--syntax less, so the command errored out before linting anything.Fix, following stylelint's own migration guidance:
package.json: drop the removed--syntax lessflag fromlint:style..stylelintrc: declare"customSyntax": "postcss-less"(applies to everyinvocation, incl. lint-staged and IDE integrations).
postcss-less@6.0.0— the postcss 8 compatible line (stylelint 14 usespostcss 8; the older 3.1.4 requires postcss 7 and would mismatch).
Test plan
cd web-app && npm run lint:styleThe "syntax" option is no longer available..lessfiles (exits with the existingstyle violations instead of crashing).
Note
Once the command runs, it surfaces a backlog of pre-existing
.lessstyleviolations. Those are unrelated to this change and
lint:styleis not currentlywired into CI or a pre-commit hook, so they block nothing. Cleaning them up (and
optionally enforcing the lint) is left as a separate follow-up.