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Refactor yield await classification (#12230)

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* fix: incomplete ParamKind declaration

* refactor: add expression scope handler

* test: update test262 allowlist

* chore: cleanup

* fix: push expression scope for function body

* fix: push new expression scope for initializer and static block

* test: add more test cases

* fix flow error

* refactor: remove unecessary expression scope

* fix: parameter initializer error should not cross expression scope boundary

* chore: cleanup outdated comments

* fix: do not record async arrow error on ParameterDeclaration

* Update packages/babel-parser/src/util/expression-scope.js

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

* polish: clear ancestry declaration error on validate

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>
This commit is contained in:
Huáng Jùnliàng
2020-10-26 11:42:02 -04:00
committed by GitHub
parent faaebfe91f
commit 2782a549e9
63 changed files with 1533 additions and 200 deletions
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6
packages/babel-parser/src/plugins/typescript/index.js
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@@ -1649,11 +1649,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
}
const oldMaybeInArrowParameters = this.state.maybeInArrowParameters;
const oldYieldPos = this.state.yieldPos;
const oldAwaitPos = this.state.awaitPos;
this.state.maybeInArrowParameters = true;
this.state.yieldPos = -1;
this.state.awaitPos = -1;
const res: ?N.ArrowFunctionExpression = this.tsTryParseAndCatch(() => {
const node: N.ArrowFunctionExpression = this.startNodeAt(
@@ -1669,8 +1665,6 @@ export default (superClass: Class<Parser>): Class<Parser> =>
});
this.state.maybeInArrowParameters = oldMaybeInArrowParameters;
this.state.yieldPos = oldYieldPos;
this.state.awaitPos = oldAwaitPos;
if (!res) {
return undefined;