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Set "typeofs: false" to prevent mangling typeofs by uglify #439

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Aug 1, 2018
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Set "typeofs: false" to prevent mangling typeofs by uglify #439

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de3575c
set typeofs: false to prevent mangling typeofs by uglify
Jul 22, 2018
65e94fa
Fix lint
KevinGrandon Jul 31, 2018
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9 changes: 8 additions & 1 deletion build/compiler.js
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Expand Up @@ -508,7 +508,14 @@ function getConfig({target, env, dir, watch, cover}) {
parallel: true, // default from webpack
uglifyOptions: {
compress: {
inline: 1, // inline=2 can cause const reassignment (https://github.com/mishoo/UglifyJS2/issues/2842)
// typeofs: true (default) transforms typeof foo == "undefined" into foo === void 0.
// This mangles mapbox-gl creating an error when used alongside with window global mangling:
// https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/189
typeofs: false,

// inline=2 can cause const reassignment
// https://github.com/mishoo/UglifyJS2/issues/2842
inline: 1,
},
},
}),
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