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Workaround #10179 in proposal-object-rest-spread (#10200)

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Nicolò Ribaudo 2019-07-15 19:01:29 +02:00 committed by GitHub
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commit 7dc5fdb390
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5
packages/babel-plugin-proposal-object-rest-spread/src/index.js
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@ -455,6 +455,11 @@ export default declare((api, opts) => {
try { try {
helper = file.addHelper("objectSpread2"); helper = file.addHelper("objectSpread2");
} catch { } catch {
// TODO: This is needed to workaround https://github.com/babel/babel/issues/10187
// and https://github.com/babel/babel/issues/10179 for older @babel/core versions
// where #10187 isn't fixed.
this.file.declarations["objectSpread2"] = null;
// objectSpread2 has been introduced in v7.5.0 // objectSpread2 has been introduced in v7.5.0
// We have to maintain backward compatibility. // We have to maintain backward compatibility.
helper = file.addHelper("objectSpread"); helper = file.addHelper("objectSpread");