cerxes/babel
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Fix invalid setter parse (#12076)

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* Fix invalid `setter` parse

* estree

Co-authored-by: Brian Ng <bng412@gmail.com>
This commit is contained in:
fisker Cheung
2020-09-19 16:03:35 +08:00
committed by GitHub
parent ae18f9c0d9
commit 18d13d0032
6 changed files with 123 additions and 18 deletions
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19
packages/babel-parser/src/plugins/estree.js
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@@ -105,22 +105,9 @@ export default (superClass: Class<Parser>): Class<Parser> =>
}
}
checkGetterSetterParams(method: N.ObjectMethod | N.ClassMethod): void {
const prop = ((method: any): N.EstreeProperty | N.EstreeMethodDefinition);
const paramCount = prop.kind === "get" ? 0 : 1;
const start = prop.start;
if (prop.value.params.length !== paramCount) {
if (method.kind === "get") {
this.raise(start, Errors.BadGetterArity);
} else {
this.raise(start, Errors.BadSetterArity);
}
} else if (
prop.kind === "set" &&
prop.value.params[0].type === "RestElement"
) {
this.raise(start, Errors.BadSetterRestParameter);
}
getObjectOrClassMethodParams(method: N.ObjectMethod | N.ClassMethod) {
return ((method: any): N.EstreeProperty | N.EstreeMethodDefinition).value
.params;
}
checkLVal(