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module.exports = function(api) {
api.cache(true);
const minify = String(process.env.MINIFY) === 'true';
const noModules = String(process.env.BABEL_NO_MODULES) === 'true';
const rename = {};
const mangle = require('./mangle.json');
for (let prop in mangle.props.props) {
let name = prop;
if (name[0] === '$') {
name = name.slice(1);
}
rename[name] = mangle.props.props[prop];
}
return {
presets: [
[
'@babel/preset-env',
{
loose: true,
// Don't transform modules when using esbuild
modules: noModules ? false : 'auto',
exclude: ['@babel/plugin-transform-typeof-symbol'],
targets: {
browsers: ['last 2 versions', 'IE >= 9']
}
}
]
],
plugins: [
'@babel/plugin-proposal-object-rest-spread',
'@babel/plugin-transform-react-jsx',
'babel-plugin-transform-async-to-promises',
['babel-plugin-transform-rename-properties', { rename }]
],
include: ['**/src/**/*.js', '**/test/**/*.js'],
overrides: [
{
test: /(component-stack|debug)\.test\.js$/,
plugins: ['@babel/plugin-transform-react-jsx-source']
}
]
};
};
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