feat: babel support new syntax and fine tuning compile #342
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snapshot updated
test passed
Bump babel ecological packages version
Drop
plugin-syntax-dynamic-import
as it has been included by@babel-preset-env
by default https://github.com/babel/babel/blob/master/packages/babel-preset-env/src/available-plugins.js#L69Add @babel/plugin-proposal-nullish-coalescing-operator and @babel/plugin-proposal-optional-chaining for out of box using.
Add
externalHelpers: true
to babel-plugin-transform-async-to-promises, it could avoid helper function import bloat. https://github.com/rpetrich/babel-plugin-transform-async-to-promises/pull/57/files#diff-04c6e90faac2675aa89e2176d2eec7d8Add some types for rollup-plugin-babel