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Fix diffWords treating numbers and underscores as not being word characters #554

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merged 4 commits into from
Sep 5, 2024
Merged

Fix diffWords treating numbers and underscores as not being word characters #554

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bed093c
Add test for bug https://github.com/kpdecker/jsdiff/issues/553
ExplodingCabbage Sep 5, 2024
764d8bc
Fix bug
ExplodingCabbage Sep 5, 2024
bcd54dc
Merge remote-tracking branch 'origin/master' into fix-diffWords
ExplodingCabbage Sep 5, 2024
bb261d4
Add release notes
ExplodingCabbage Sep 5, 2024
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4 changes: 4 additions & 0 deletions release-notes.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,9 @@
# Release Notes

## Future 7.0.0 release

- [#554](https://github.com/kpdecker/jsdiff/pull/554) **`diffWords` treats numbers and underscores as word characters again.** This behaviour was broken in v6.0.0.

## 6.0.0

This is a release containing many, *many* breaking changes. The objective of this release was to carry out a mass fix, in one go, of all the open bugs and design problems that required breaking changes to fix. A substantial, but exhaustive, changelog is below.
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2 changes: 1 addition & 1 deletion src/diff/word.js
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Expand Up @@ -19,7 +19,7 @@ import { longestCommonPrefix, longestCommonSuffix, replacePrefix, replaceSuffix,
// - U+02DC ˜ ˜ Small Tilde
// - U+02DD ˝ ˝ Double Acute Accent
// Latin Extended Additional, 1E00–1EFF
const extendedWordChars = 'a-zA-Z\\u{C0}-\\u{FF}\\u{D8}-\\u{F6}\\u{F8}-\\u{2C6}\\u{2C8}-\\u{2D7}\\u{2DE}-\\u{2FF}\\u{1E00}-\\u{1EFF}';
const extendedWordChars = 'a-zA-Z0-9_\\u{C0}-\\u{FF}\\u{D8}-\\u{F6}\\u{F8}-\\u{2C6}\\u{2C8}-\\u{2D7}\\u{2DE}-\\u{2FF}\\u{1E00}-\\u{1EFF}';
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@ExplodingCabbage ExplodingCabbage Sep 5, 2024 •
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TBH I am confused about the (pre-existing) ranges given here and by the comment explaining them above. I am gonna play around and maybe add more tests. But that can happen subsequent to just getting this PR merged.


// Each token is one of the following:
// - A punctuation mark plus the surrounding whitespace
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28 changes: 28 additions & 0 deletions test/diff/word.js
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Expand Up @@ -31,6 +31,34 @@ describe('WordDiff', function() {
'.'
]);
});

// Test for bug reported at https://github.com/kpdecker/jsdiff/issues/553
it('should treat numbers as part of a word if not separated by whitespace or punctuation', () => {
expect(
wordDiff.tokenize(
'Tea Too, also known as T2, had revenue of 57m AUD in 2012-13.'
)
).to.deep.equal([
'Tea ',
' Too',
', ',
' also ',
' known ',
' as ',
' T2',
', ',
' had ',
' revenue ',
' of ',
' 57m ',
' AUD ',
' in ',
' 2012',
'-',
'13',
'.'
]);
});
});

describe('#diffWords', function() {
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