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64 lines
1.5 KiB
64 lines
1.5 KiB
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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|
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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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|
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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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(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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[ |
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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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