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See #317 first. Will be a much smaller changeset if that PR is merged.
Previously this library depended on a global polyfills (@babel/polyfill) to be compatible with older platforms (e.g. older browsers and node). Babel deprecated this strategy and encourages importing from
core-js
directly. Withbabel-preset-env
preset, we can automatically import the required polyfills with theuseBuiltins
options.For example previously we would get this as a babel output...
Now with the
useBuiltins
option, our output looks like this:Including the polyfills in the library will increase the size, but solves issues with versions of
@babel/polyfill
and other globals effecting this library. Another option would be to usebabel/runtime
, but that would require changes to the consumers. See more details on the tradeoffs.