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Set correct async/generator in IIFE for params (#11346)

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* Set correct async/generator in IIFE for params

* Reject in async params

* Skip async test on node 6 (it doesn't support async fns)
This commit is contained in:
Nicolò Ribaudo
2020-03-29 22:01:15 +02:00
committed by GitHub
parent 71e7a7b1e0
commit c8a8be7221
6 changed files with 71 additions and 0 deletions
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7
packages/babel-plugin-transform-parameters/src/params.js
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@@ -181,6 +181,13 @@ export default function convertFunctionParams(path, loose) {
const bodyPath = path.get("body.body");
const arrowPath = bodyPath[bodyPath.length - 1].get("argument.callee");
arrowPath.arrowFunctionToExpression();
arrowPath.node.generator = path.node.generator;
arrowPath.node.async = path.node.async;
// We don't reset "async" because if the default value of a parameter
// throws, it must reject asynchronously.
path.node.generator = false;
} else {
path.get("body").unshiftContainer("body", body);
}