Fix diffWords treating numbers and underscores as not being word characters #554
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ExplodingCabbage
commented
Sep 5, 2024
| @@ -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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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.
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Fixes #553 (the original issue, not the orthogonal bug posted in a comment).
The bug was introduced in #494. Previously we were splitting into words on
\b, which per the linked MDN docs considers the following things to be word characters:Then I swapped to using the
extendedWordCharsregex (previously only used for stitching together some adjacent tokens into single tokens after the original splitting), but didn't ensure it actually contained all the things that\bconsiders to be word characters.This should fix it!