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@@ -1,10 +1,24 @@ | ||
import NODE_VER from '../../utils/node-version'; | ||
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function getOptsForPresetEnv () { | ||
var opts = { targets: { node: 'current' }, loose: true }; | ||
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// NOTE: Disable transforming generators into state-machine for node>=4, because this versions have native generators. | ||
// Also this versions have native template literals, regenerator do not work with them: | ||
// https://github.com/facebook/regenerator/issues/276 | ||
if (NODE_VER >= 4) | ||
opts.exclude = ['transform-regenerator']; | ||
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return opts; | ||
} | ||
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// NOTE: lazy load heavy dependencies | ||
export default function loadBabelLibs () { | ||
return { | ||
babel: require('babel-core'), | ||
presetStage2: require('babel-preset-stage-2'), | ||
transformRuntime: require('babel-plugin-transform-runtime'), | ||
presetFallback: require('babel-preset-env').default(null, { loose: true }), | ||
presetEnv: require('babel-preset-env').default(null, { targets: { node: 'current' }, loose: true }) | ||
presetEnv: require('babel-preset-env').default(null, getOptsForPresetEnv()) | ||
}; | ||
} |