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babel.config.js
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babel.config.js
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/* eslint global-require: off */
const developmentEnvironments = ['development', 'test'];
const developmentPlugins = [];
const productionPlugins = [
require('babel-plugin-dev-expression'),
// babel-preset-react-optimize
require('@babel/plugin-transform-react-constant-elements'),
require('@babel/plugin-transform-react-inline-elements'),
require('babel-plugin-transform-react-remove-prop-types'),
];
module.exports = (api) => {
// see docs about api at https://babeljs.io/docs/en/config-files#apicache
const development = api.env(developmentEnvironments);
return {
presets: [
[
require('@babel/preset-env'),
{
targets: { node: true },
},
],
[require('@babel/preset-react'), { development }],
],
plugins: [
// Stage 1
require('@babel/plugin-proposal-export-default-from'),
[require('@babel/plugin-proposal-optional-chaining'), { loose: false }],
[
require('@babel/plugin-proposal-pipeline-operator'),
{ proposal: 'minimal' },
],
[
require('@babel/plugin-proposal-nullish-coalescing-operator'),
{ loose: false },
],
// Stage 2
require('@babel/plugin-proposal-throw-expressions'),
// Stage 3
require('@babel/plugin-syntax-dynamic-import'),
[require('@babel/plugin-proposal-class-properties'), { loose: true }],
...(development ? developmentPlugins : productionPlugins),
],
};
};