8000 Disallow `#a in #b in c` and similar expressions by nicolo-ribaudo · Pull Request #13727 · babel/babel · GitHub
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Disallow #a in #b in c and similar expressions #13727

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Merged
merged 6 commits into from
Sep 4, 2021
Merged

Disallow #a in #b in c and similar expressions #13727

merged 6 commits into from
Sep 4, 2021

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nicolo-ribaudo
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@nicolo-ribaudo nicolo-ribaudo commented Sep 2, 2021 •
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Q                       A
Fixed Issues? Fixes #13726
Patch: Bug Fix?
Major: Breaking Change?
Minor: New Feature?
Tests Added + Pass? Yes
Documentation PR Link
Any Dependency Changes?
License MIT

@nicolo-ribaudo nicolo-ribaudo added the PR: Spec Compliance 👓 A type of pull request used for our changelog categories label Sep 2, 2021
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babel-bot commented Sep 2, 2021 •
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Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/48524/

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JLHwung
JLHwung reviewed Sep 2, 2021
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JLHwung
JLHwung reviewed Sep 2, 2021
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@nicolo-ribaudo @JLHwung
Update packages/babel-parser/src/parser/expression.js
55ec170 
Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>
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JLHwung commented Sep 3, 2021

Can you add a new test case?

class C {
  #x;
  async test() {
    await #x in this
  }
}

It was parsed successfully but should throw, probably fixed in this PR.

JLHwung
JLHwung reviewed Sep 3, 2021
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packages/babel-parser/src/parser/expression.js
@@ -504,7 +531,7 @@ export default class ExpressionParser extends LValParser {
const startLoc = this.state.startLoc;

return this.parseExprOp(
this.parseMaybeUnary(),
this.parseMaybeUnaryOrPrivate(),

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It's done at https://github.com/babel/babel/pull/13727/files#diff-f876d1e822b0978b9c6de30b9fc6e96e2309c853a694feea274ecccf1d1d9f15R2935.

@nicolo-ribaudo nicolo-ribaudo merged commit 44388e6 into babel:main Sep 4, 2021
@nicolo-ribaudo nicolo-ribaudo deleted the private-in-private-in branch September 4, 2021 08:05
@github-actions github-actions bot added the outdated A closed issue/PR that is archived due to age. Recommended to make a new issue label Dec 5, 2021
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Dec 5, 2021
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@jridgewell jridgewell jridgewell approved these changes

@JLHwung JLHwung JLHwung approved these changes

@sosukesuzuki sosukesuzuki sosukesuzuki approved these changes

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outdated A closed issue/PR that is archived due to age. Recommended to make a new issue PR: Spec Compliance 👓 A type of pull request used for our changelog categories Spec: Brand Check for Private Fields
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Successfully merging this pull request may close these issues.

[Bug]: Private Brand Check incorrectly allowed as RHS of in operator
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