chore(build-tools): replace babel with rslib for package compilation#5173
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# Conflicts: # packages/app-admin/src/components/SingleImageUpload.tsx # packages/build-tools/package.json # packages/cli/files/references.json # yarn.lock
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Cypress E2E tests have been initiated (for more information, click here). ✨
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# Conflicts: # packages/cli/files/references.json # packages/webiny/package.json
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Cypress E2E tests have been initiated (for more information, click here). ✨
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Cypress E2E tests have been initiated (for more information, click here). ✨
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Cypress E2E tests have been initiated (for more information, click here). ✨
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# Conflicts: # packages/cli/files/references.json
… into adrian/rslib-2026-05-07
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adrians5j
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What changed
Package compilation now uses rslib (backed by Rspack/SWC) instead of Babel for transpiling TypeScript and JavaScript source files. Both build and watch modes have been updated. The
tsCompilestep for generating.d.tsdeclaration files is unchanged. The public API ofcreateBuildPackageandcreateWatchPackageis identical — no changes needed to anywebiny.config.jsfiles.Changelog
Replace Babel with rslib for Package Compilation
Package source files are now compiled using rslib in bundleless mode instead of Babel. This brings faster incremental builds in watch mode (rslib uses rspack's native watcher via
build({ watch: true })) and eliminates the Babel dependency from the compilation path. Declaration files (.d.ts) continue to be generated by the TypeScript compiler as before.Squash Merge Commit