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Fix invalid identifier name on unfinished escape #13261

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JLHwung
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@JLHwung JLHwung commented May 5, 2021

Q                       A
Fixed Issues? When errorRecovery is true, x\ is parsed as an Identifier named with xx\. astexplorer
Patch: Bug Fix? Y
Major: Breaking Change?
Minor: New Feature?
Tests Added + Pass? Yes
Documentation PR Link
Any Dependency Changes?
License MIT

Correctly update the chunkStart after raising errors so the read word x will not be re-read in input.slice(chunkStart, this.state.pos).

@JLHwung JLHwung added PR: Bug Fix 🐛 A type of pull request used for our changelog categories pkg: parser labels May 5, 2021
@@ -1 +0,0 @@
x\
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Deleted this test because it is identical to esprima/invalid-syntax/migrated_0032.

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Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/45837/

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@JLHwung JLHwung merged commit 278193b into babel:main May 6, 2021
@JLHwung JLHwung deleted the fix-invalid-identifier-name-on-unfinished-escape branch May 6, 2021 12:31
@github-actions github-actions bot added the outdated A closed issue/PR that is archived due to age.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 Aug 6, 2021
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5 participants