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Fix Babel issues in tests by applying the right transforms #1179

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merged 1 commit into from
Dec 6, 2016
Merged

Fix Babel issues in tests by applying the right transforms #1179

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22 changes: 10 additions & 12 deletions packages/babel-preset-react-app/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,11 +23,6 @@ const plugins = [
[require.resolve('babel-plugin-transform-react-jsx'), {
useBuiltIns: true
}],
// function* () { yield 42; yield 43; }
[require.resolve('babel-plugin-transform-regenerator'), {
// Async functions are converted to generators by babel-preset-latest
async: false
}],
// Polyfills the runtime needed for async/await and generators
[require.resolve('babel-plugin-transform-runtime'), {
helpers: false,
Expand Down Expand Up @@ -69,13 +64,10 @@ if (env === 'development' || env === 'test') {
}

if (env === 'test') {
// The following plugins are a temporary workaround because
// `babel-plugin-transform-regenerator` apparently needs them
// and `babel-preset-env` doesn't detect it.
// https://github.com/facebookincubator/create-react-app/issues/1156
plugins.push.apply(plugins, [
require.resolve('babel-plugin-transform-es2015-arrow-functions'),
require.resolve('babel-plugin-transform-es2015-destructuring'),
// We always include this plugin regardless of environment
// because of a Babel bug that breaks object rest/spread without it:
// https://github.com/babel/babel/issues/4851
require.resolve('babel-plugin-transform-es2015-parameters')
]);

Expand All @@ -100,7 +92,13 @@ if (env === 'test') {
// JSX, Flow
require.resolve('babel-preset-react')
],
plugins: plugins
plugins: plugins.concat([
// function* () { yield 42; yield 43; }
[require.resolve('babel-plugin-transform-regenerator'), {
// Async functions are converted to generators by babel-preset-latest
async: false
}],
])
};

if (env === 'production') {
Expand Down
2 changes: 0 additions & 2 deletions packages/babel-preset-react-app/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,6 @@
],
"dependencies": {
"babel-plugin-transform-class-properties": "6.16.0",
"babel-plugin-transform-es2015-arrow-functions": "6.8.0",
"babel-plugin-transform-es2015-destructuring": "6.19.0",
"babel-plugin-transform-es2015-parameters": "6.18.0",
"babel-plugin-transform-object-rest-spread": "6.19.0",
"babel-plugin-transform-react-constant-elements": "6.9.1",
Expand Down