Add npm package exporting wasm and worker files - #439
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Chriztiaan
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Jul 23, 2026
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This adds an npm package exporting the
powersync_db.worker.jsfile along withsqlite3.wasmandsqlite3mc.wasm. This helps with Kotlin web support: Because Kotlin web apps can have npm dependencies and are bundled with webpack, adding an npm package makes it easy to import them in Kotlin. Usingnew URL('@powersync/dart-sdk-assets', import.meta.url)will be recognized by webpack to bundle the asset. We want to use the Dart worker and WebAssembly files in Kotlin to avoid having to write yet another sync worker (the JavaScript worker relies on Comlink and doesn't have a stable protocol).We actually had this package before, to use jsdelivr as a CDN for FlutterFlow apps. We removed that package after it wasn't used anymore, but now we need it again for Kotlin web.
Kotlin PR for context: powersync-ja/powersync-kotlin#361