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Enable loose mode for class-properties #4248

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Merged
merged 2 commits into from
Apr 6, 2018
Merged

Enable loose mode for class-properties #4248

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658c1e9
Enable loose mode for `class-properties`
rgrochowicz Apr 3, 2018
c4719d0
Update comment to point to discussion
rgrochowicz Apr 5, 2018
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9 changes: 8 additions & 1 deletion packages/babel-preset-react-app/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,14 @@ module.exports = function(api, opts) {
// don't work without it: https://github.com/babel/babel/issues/7215
require('@babel/plugin-transform-destructuring').default,
// class { handleClick = () => { } }
require('@babel/plugin-proposal-class-properties').default,
// Enable loose mode to use assignment instead of defineProperty
// See discussion in https://github.com/facebook/create-react-app/issues/4263
[
require('@babel/plugin-proposal-class-properties').default,
{
loose: true,
},
],
// The following two plugins use Object.assign directly, instead of Babel's
// extends helper. Note that this assumes `Object.assign` is available.
// { ...todo, completed: true }
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