Ilia Denisov
4a0c296bbb
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The es2019 down-level fixed the parse error, but the Chromium 66 in-app WebView (Android 9) then threw "Uncaught ReferenceError: globalThis is not defined" — esbuild lowers syntax, not the es2020+ runtime globals the bundle and its deps reference (globalThis, structuredClone, Array.at, Object.hasOwn, Promise.allSettled, …), so the module still failed to evaluate and the SPA stayed a white screen. Load core-js only where it is actually missing. A permanent ES5 gate in index.html feature-detects the engine and, on an old one, document.writes a parser-blocking <script src=polyfills.js> before the deferred module runs; a modern engine matches none of the checks and downloads nothing. document.write is used deliberately — it is the only way to inject a script guaranteed to run before a deferred module — with a static literal argument (no interpolation, no injection surface). vite.config emitPolyfills writes dist/polyfills.js from the prebuilt core-js-bundle and keeps it out of the module graph, so the bundle-size budget is unaffected (app entry still 108.8 / 110 KB gzip). pnpm-workspace denies core-js-bundle's install script (the package ships a prebuilt minified.js we only read at build time; its script is a funding banner). svelte-check and the mock e2e (Chromium + WebKit) are green and the size gate still passes. The on-device re-test on the Chromium 66 emulator is pending.
9 lines
417 B
YAML
9 lines
417 B
YAML
# pnpm 11 records build-script approval here. esbuild's postinstall materialises
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# its CLI shim; the platform binary itself ships as an optional dependency.
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# core-js-bundle ships a prebuilt minified.js (we only read that file at build time,
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# via vite.config emitPolyfills) and its install script is just a funding banner, so
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# it is denied — nothing to build.
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allowBuilds:
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core-js-bundle: false
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esbuild: true
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