feat: migrate extension build from webpack to rspack#5817
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feat: migrate extension build from webpack to rspack#5817
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Replace webpack 5 with rspack for the extension build. Rspack is a drop-in webpack replacement written in Rust that uses ~1.3GB vs webpack's ~5GB memory, and builds in ~10s vs ~46s. Changes: - Add rspack.config.js using rspack built-in plugins (HtmlRspackPlugin, CssExtractRspackPlugin, CopyRspackPlugin, CleanPlugin) - Replace babel-loader with builtin:swc-loader - Remove ForkTsCheckerWebpackPlugin (rspack handles TS natively, CI typechecks separately) - Replace dotenv-webpack with dotenv + DefinePlugin - Use per-entry runtime config instead of optimization.runtimeChunk - Downsize CI from xlarge (16GB) to medium (4GB) - Remove webpack, webpack-cli, and related deps Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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dotenv-webpack stubbed process.env as "MISSING_ENV_VAR" so undefined env var access returns undefined instead of throwing. Replicate this in the rspack DefinePlugin config. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Replace webpack 5 with rspack for the extension build. Rspack is a drop-in webpack replacement written in Rust that uses ~1.3GB vs webpack's ~8.7GB memory, and builds in ~10s vs ~46s.
Changes:
Changes
Events
Did you introduce any new tracking events?
Experiment
Did you introduce any new experiments?
Manual Testing
Caution
Please make sure existing components are not breaking/affected by this PR
Preview domain
https://feat-extension-rspack-migration.preview.app.daily.dev