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babel-config.js
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babel-config.js
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const semver = require('semver');
const { resolveApp } = require('./scripts/paths');
const pkg = require(resolveApp('package.json'));
const corejs = pkg.dependencies['core-js'] ? semver.coerce(pkg.dependencies['core-js']).major : undefined;
const { getUserConfigValue } = require('./scripts/config');
const useStyledJSX = getUserConfigValue('styledJSX', false);
const allDependencies = {
...(pkg.dependencies || {}),
...(pkg.devDependencies || {}),
};
module.exports = {
presets: [
require.resolve('@babel/preset-react'),
require.resolve('@babel/preset-flow'),
[
require.resolve('@babel/preset-env'),
{
corejs,
modules: false,
useBuiltIns: 'entry',
},
],
].filter(Boolean),
plugins: [
require.resolve('babel-plugin-dev-expression'),
require.resolve('@babel/plugin-proposal-object-rest-spread'),
require.resolve('@babel/plugin-proposal-class-properties'),
require.resolve('@babel/plugin-transform-react-display-name'),
[require.resolve('@babel/plugin-transform-runtime'), { regenerator: true }],
].filter(Boolean),
env: {
production: {
plugins: [require.resolve('babel-plugin-transform-react-remove-prop-types')],
},
development: {
plugins: [require.resolve('@babel/plugin-transform-react-jsx-source')],
},
test: {
plugins: [require.resolve('@babel/plugin-transform-modules-commonjs')],
},
},
};