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Ensure babel-preset-env targets input object is not mutated (#7438)

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Guy Bedford 2018-02-27 16:46:24 +02:00 committed by Brian Ng
parent 5459c75d64
commit f004972625
1 changed files with 1 additions and 1 deletions
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2
packages/babel-preset-env/src/normalize-options.js
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@ -169,7 +169,7 @@ export default function normalizeOptions(opts: Options) {
false, false,
), ),
spec: validateBoolOption("loose", opts.spec, false), spec: validateBoolOption("loose", opts.spec, false),
targets: opts.targets, targets: Object.assign({}, opts.targets),
useBuiltIns: validateUseBuiltInsOption(opts.useBuiltIns), useBuiltIns: validateUseBuiltInsOption(opts.useBuiltIns),
}; };
} }