silverwind 3e23dad075 fix webpack polyfills (#9735) (#9738) ...

webpack polyfills did not work because useBuiltIns: 'entry' expects a
explicit core-js import. Changed it to 'usage' which does not require
these explicit imports and polyfills based on browserslist.

As a result, the built index.js now went from 128kB to 192kB.

Ref: https://babeljs.io/docs/en/babel-preset-env#usebuiltins

2020-01-12 17:43:16 -05:00

1.2 KiB

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