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Optimize result filtration. (#77)

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Artem Yavorsky 2016-12-12 15:48:18 +02:00 committed by Henry Zhu
parent 823facba3f
commit 635e76c85a
1 changed files with 13 additions and 16 deletions
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29
experimental/babel-preset-env/src/index.js
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@ -226,25 +226,22 @@ export default function buildPreset(context, opts = {}) {
}
}
let allTransformations = [...transformations, ...whitelist];
let regenerator = allTransformations.indexOf("transform-regenerator") >= 0;
const allTransformations = [...transformations, ...whitelist];
const regenerator = allTransformations.indexOf("transform-regenerator") >= 0;
const modulePlugin = moduleType !== false && MODULE_TRANSFORMATIONS[moduleType];
const plugins = [];
modulePlugin &&
plugins.push([require(`babel-plugin-${modulePlugin}`), { loose }]);
let plugins = allTransformations.map((pluginName) => {
return [require(`babel-plugin-${pluginName}`), { loose }];
});
plugins.push(...allTransformations.map((pluginName) =>
[require(`babel-plugin-${pluginName}`), { loose }]
));
const modules = [
moduleType === "commonjs" && [require("babel-plugin-transform-es2015-modules-commonjs"), { loose }],
moduleType === "systemjs" && [require("babel-plugin-transform-es2015-modules-systemjs"), { loose }],
moduleType === "amd" && [require("babel-plugin-transform-es2015-modules-amd"), { loose }],
moduleType === "umd" && [require("babel-plugin-transform-es2015-modules-umd"), { loose }],
].filter(Boolean);
useBuiltIns &&
plugins.push([transformPolyfillRequirePlugin, { polyfills, regenerator }]);
return {
plugins: [
...modules,
...plugins,
useBuiltIns === true && [transformPolyfillRequirePlugin, { polyfills, regenerator }]
].filter(Boolean)
plugins
};
}