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build: bundle with Rolldown instead of Rollup and Babel - #521
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Rolldown handles TypeScript, CommonJS and Node resolution itself, which drops Rollup, its four plugins and both Babel presets (121 packages). The target is pinned to node22.12 (engines) instead of Babel's node: 'current'. Rolldown keeps no ordinary comments, so dist/esm/index.mjs goes from 374 kB to 222 kB; the sourcemap still embeds the commented sources. Two start-ssr checks now accept either quote style around './server.js'.
🦋 Changeset detectedLatest commit: 00a194b The changes in this PR will be included in the next version bump. This PR includes changesets to release 1 package
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Rolldown handles TypeScript, CommonJS and Node resolution itself, so Rollup, its four plugins and both Babel presets go (121 fewer packages), and the build targets Node 22.12 from
enginesinstead of the machine's Node. Rolldown drops ordinary comments, sodist/esm/index.mjsshrinks from 374 kB to 222 kB, while the sourcemap keeps the commented sources. Unit tests and the start-ssr, start-client, start-env, ssr, css-matrix and vite-8 example suites pass.