ByteFE
Apr 27, 2021 · Frontend Development
Debugging React #31 Minified Error on Android Vivo X7: Symbol Polyfill and Build‑Order Issues
A React component that works locally threw a minified "#31" error only on Vivo X7 Android 5.1 devices because a Symbol polyfill loaded after React caused a mismatch in REACT_ELEMENT_TYPE, and adjusting the build order or JSX runtime resolved the illegal return‑value bug.
AndroidBabelBuild Order
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