84 lines
2.1 KiB
JavaScript
84 lines
2.1 KiB
JavaScript
module.exports = function(api) {
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const validEnv = ['development', 'test', 'production'];
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const currentEnv = api.env();
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const isDevelopmentEnv = api.env('development');
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const isProductionEnv = api.env('production');
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const isTestEnv = api.env('test');
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if (!validEnv.includes(currentEnv)) {
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throw new Error(
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`${'Please specify a valid `NODE_ENV` or ' +
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'`BABEL_ENV` environment variables. Valid values are "development", ' +
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'"test", and "production". Instead, received: '}${JSON.stringify(
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currentEnv
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)}.`
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);
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}
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return {
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presets: [
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isTestEnv && [
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'@babel/preset-env',
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{
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targets: {
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node: 'current',
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},
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modules: 'commonjs',
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},
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'@babel/preset-react',
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],
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(isProductionEnv || isDevelopmentEnv) && [
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'@babel/preset-env',
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{
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forceAllTransforms: true,
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useBuiltIns: 'entry',
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corejs: 3,
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modules: false,
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exclude: ['transform-typeof-symbol'],
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},
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],
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[
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'@babel/preset-react',
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{
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development: isDevelopmentEnv || isTestEnv,
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useBuiltIns: true,
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},
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],
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].filter(Boolean),
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plugins: [
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'babel-plugin-macros',
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'@babel/plugin-syntax-dynamic-import',
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isTestEnv && 'babel-plugin-dynamic-import-node',
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'@babel/plugin-transform-destructuring',
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['@babel/plugin-proposal-decorators', { legacy: true }],
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['@babel/plugin-proposal-class-properties', { loose: false }],
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[
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'@babel/plugin-proposal-object-rest-spread',
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{
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useBuiltIns: true,
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},
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],
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[
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'@babel/plugin-transform-runtime',
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{
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helpers: false,
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regenerator: true,
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corejs: false,
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},
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],
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[
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'@babel/plugin-transform-regenerator',
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{
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async: false,
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},
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],
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isProductionEnv && [
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'babel-plugin-transform-react-remove-prop-types',
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{
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removeImport: true,
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},
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],
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].filter(Boolean),
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};
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};
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