30 lines
1.0 KiB
JavaScript
30 lines
1.0 KiB
JavaScript
const BabelMinifyPlugin = require("babel-minify-webpack-plugin");
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module.exports.minimizer = [
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// Took options from Polymer build tool
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// https://github.com/Polymer/tools/blob/master/packages/build/src/js-transform.ts
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new BabelMinifyPlugin(
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{
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// Disable the minify-constant-folding plugin because it has a bug relating
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// to invalid substitution of constant values into export specifiers:
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// https://github.com/babel/minify/issues/820
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evaluate: false,
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// TODO(aomarks) Find out why we disabled this plugin.
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simplifyComparisons: false,
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// Prevent removal of things that babel thinks are unreachable, but sometimes
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// gets wrong: https://github.com/Polymer/tools/issues/724
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deadcode: false,
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// Disable the simplify plugin because it can eat some statements preceeding
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// loops. https://github.com/babel/minify/issues/824
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simplify: false,
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// This is breaking ES6 output. https://github.com/Polymer/tools/issues/261
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mangle: false,
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},
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{}
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),
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];
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