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71 lines
1.6 KiB
71 lines
1.6 KiB
3 years ago
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module.exports = function(api) {
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var validEnv = ['development', 'test', 'production']
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var currentEnv = api.env()
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var isDevelopmentEnv = api.env('development')
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var isProductionEnv = api.env('production')
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var 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: ' +
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JSON.stringify(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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}
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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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].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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[
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'@babel/plugin-proposal-class-properties',
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{
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loose: true
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}
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],
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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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}
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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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].filter(Boolean)
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}
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}
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