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Correct Regular Expressions Behavior Related to Annex B #58320

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Merged
rbuckton merged 12 commits into from
May 29, 2024
Merged

Correct Regular Expressions Behavior Related to Annex B #58320

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e049438
Correct RegExp Behavior Related to Annex B
graphemecluster Apr 25, 2024
358eb30
Fix Comment
graphemecluster Apr 25, 2024
8facb0a
Correct Quantifiability of `{1` in Annex B
graphemecluster Apr 27, 2024
f5c0b60
`\c` is an Annex B thing
graphemecluster Apr 27, 2024
cff993f
Add Tests
graphemecluster Apr 27, 2024
603c3cf
Merge from main
rbuckton May 16, 2024
2e62d25
Apply Suggested Changes
graphemecluster May 21, 2024
ed08ef7
Apply Suggested Changes
graphemecluster May 24, 2024
8b67d77
Merge branch 'main' into regex-syntax-check-annexB
graphemecluster May 24, 2024
b48f0d0
Provide User-Friendly Errors for Decimal Escapes Inside Character Cla…
graphemecluster May 24, 2024
c72f92f
Fix Behavior Related to `namedCaptureGroups`
graphemecluster May 28, 2024
70a3214
Clarify why nested character classes should not be considered in the …
graphemecluster May 28, 2024
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Correct Quantifiability of {1 in Annex B
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@graphemecluster
graphemecluster committed Apr 27, 2024
commit 8facb0a78691bc92e1bce34aec287037557b07f0
15 changes: 9 additions & 6 deletions src/compiler/scanner.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2667,13 +2667,16 @@ export function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean
isPreviousTermQuantifiable = true;
break;
}
if (!annexB) {
scanExpectedChar(CharacterCodes.closeBrace);
}
else if (text.charCodeAt(pos) === CharacterCodes.closeBrace) {
pos++;
if (text.charCodeAt(pos) !== CharacterCodes.closeBrace) {
if (annexB) {
isPreviousTermQuantifiable = true;
break;
}
else {
error(Diagnostics._0_expected, pos, 0, String.fromCharCode(CharacterCodes.closeBrace));
pos--;
}
}
pos--;
// falls through
case CharacterCodes.asterisk:
case CharacterCodes.plus:
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