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const { NODE_ENV, BABEL_ENV } = process.env
const cjs = NODE_ENV === 'test' || BABEL_ENV === 'commonjs'
module.exports = {
presets: [
[
'@babel/preset-env',
{
targets: {
esmodules: true,
},
// Use the equivalent of `babel-preset-modules`
bugfixes: true,
modules: false,
loose: true,
},
],
'@babel/preset-typescript',
],
plugins: [
['@babel/proposal-decorators', { legacy: true }],
'@babel/transform-react-jsx',
['@babel/plugin-proposal-class-properties', { loose: true }],
['@babel/plugin-proposal-private-methods', { loose: true }],
['@babel/plugin-proposal-private-property-in-object', { loose: true }],
cjs && ['@babel/transform-modules-commonjs'],
[
'@babel/transform-runtime',
{
useESModules: !cjs,
version: require('./package.json').dependencies[
'@babel/runtime'
].replace(/^[^0-9]*/, ''),
},
],
].filter(Boolean),
assumptions: {
enumerableModuleMeta: true,
},
}
|
