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Replace Parcel with Vite for frontend builds - #4383
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…odules cache Run the stale-chunk cleanup inside NpmRunBuild so it only fires when the build runs. Remove the node_modules cache step: npm ci wipes node_modules, and setup-node already caches the npm download cache. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Docs preview (local build)Handbook preview: https://docs-v3-preview.elastic.dev/elastic/docs-builder/pull/4383/ |
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Merging this since this was approved twice over, i just accidentally closed the PR. |
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The frontend toolchain moves from Parcel to Vite 8.x, directly on
main. This removes the WindowsTEMPworkaround and stops MSBuild from reading EUI icon chunk names as build errors.Affects: Site UI, Automation
Prompt summary: #3884 replaced Parcel with Vite but went stale. This PR lands the reworked version on its own, independent of the preview upload changes in #4206, which need more production testing.
Why
Parcel needs a Windows-specific workaround (redirecting
TEMPto the same drive) and has no incremental-build hooks, so everydotnet buildruns a fullnpm run build. The MSBuildExectask also scans output for error patterns and fails on chunk names such aschunk-EuiIconWarning-xxx.js, even when the exit code is 0.What
Vite migration
vite.config.tsreplaces.parcelrcand.postcssrc. TheSkipNpmBuildandDesignTimeBuildMSBuild hooks stop npm from running in IDE and--no-buildcontexts.IgnoreStandardErrorWarningFormatstops MSBuild from misclassifying chunk names as diagnostics.ParcelWatchServicebecomesFrontendWatchService.Incremental build guard
The stale-chunk cleanup runs inside
NpmRunBuild, so it only fires when the build runs.main.jsandstyles.cssstay in place, andnpm run buildis skipped when no sources changed.Verify
Stack: none. This replaces #4205 and #4240.
package.jsontakes the highest version per package wheremainand #4240 disagreed (moment2.31.0,typescript-eslint8.70.0), andpackage-lock.jsonis regenerated.🤖 Generated with Claude Code