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chore(lapis-e2e): bump diff and mocha in /lapis-e2e - #1845

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chore(lapis-e2e): bump diff and mocha in /lapis-e2e#1845
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Bumps diff to 9.0.0 and updates ancestor dependency mocha. These dependencies need to be updated together.

Updates diff from 7.0.0 to 9.0.0

Changelog

Sourced from diff's changelog.

9.0.0

(All changes part of PR #672.)

  • ES5 support is dropped. parsePatch now uses TextDecoder and Uint8Array, which are not available in ES5, and TypeScript is now compiled with the "es6" target. From now on, I intend to freely use any features that are deemed "Widely available" by Baseline. Users who need ES5 support should stick to version 8.

  • C-style quoted strings in filename headers are now properly supported.

    When the name of either the old or new file in a patch contains "special characters", both GNU diff and Git quote the filename in the patch's headers and escape special characters using the same escape sequences that are used in string literals in C, including octal escapes for all non-ASCII characters. Previously, jsdiff had very little support for this; parsePatch would remove the quotes, and unescape any escaped backslashes, but would not unescape other escape sequences. formatPatch, meanwhile, did not quote or escape special characters at all.

    Now, parsePatch parses all the possible escape sequences that GNU diff (or Git) ever output, and formatPatch quotes and escapes filenames containing special characters in the same way GNU diff does.

  • formatPatch now omits file headers when oldFileName or newFileName in the provided patch object are undefined, regardless of the headerOptions parameter. (Previously, it would treat the absence of oldFileName or newFileName as indicating the filename was the word "undefined" and emit headers --- undefined / +++ undefined.)

  • formatPatch no longer outputs trailing tab characters at the end of ---/+++ headers.

    Previously, if formatPatch was passed a patch object to serialize that had empty strings for the oldHeader or newHeader property, it would include a trailing tab character after the filename in the --- and/or +++ file header. Now, this scenario is treated the same as when oldHeader/newHeader is undefined - i.e. the trailing tab is omitted.

  • formatPatch no longer mutates its input when serializing a patch containing a hunk where either the old or new content contained zero lines. (Such a hunk occurs only when the hunk has no context lines and represents a pure insertion or pure deletion, which for instance will occur whenever one of the two files being diffed is completely empty.) Previously formatPatch would provide the correct output but also mutate the oldLines or newLines property on the hunk, changing the meaning of the underlying patch.

  • Git-style patches are now supported by parsePatch, formatPatch, and reversePatch.

    Patches output by git diff can include some features that are unlike those output by GNU diff, and therefore not handled by an ordinary unified diff format parser. An ordinary diff simply describes the differences between the content of two files, but Git diffs can also indicate, via "extended headers", the creation or deletion of (potentially empty) files, indicate that a file was renamed, and contain information about file mode changes. Furthermore, when these changes appear in a diff in the absence of a content change (e.g. when an empty file is created, or a file is renamed without content changes), the patch will contain no associated ---/+++ file headers nor any hunks.

    jsdiff previously did not support parsing Git's extended headers, nor hunkless patches. Now parsePatch parses some of the extended headers, parses hunkless Git patches, and can determine filenames (e.g. from the extended headers) when parsing a patch that includes no --- or +++ file headers. The additional information conveyed by the extended headers we support is recorded on new fields on the result object returned by parsePatch. See isGit and subsequent properties in the docs in the README.md file.

    formatPatch now outputs extended headers based on these new Git-specific properties, and reversePatch respects them as far as possible (with one unavoidable caveat noted in the README.md file).

  • Unpaired file headers now cause parsePatch to throw.

    It remains acceptable to have a patch with no file headers whatsoever (e.g. one that begins with a @@ hunk header on the very first line), but a patch with only a --- header or only a +++ header is now considered an error.

  • parsePatch is now more tolerant of "trailing garbage"

    That is: after a patch, or between files/indexes in a patch, it is now acceptable to have arbitrary lines of "garbage" (so long as they unambiguously have no syntactic meaning - e.g. trailing garbage that leads with a +, -, or and thus is interpretable as part of a hunk still triggers a throw).

    This means we no longer reject patches output by tools that include extra data in "garbage" lines not understood by generic unified diff parsers. (For example, SVN patches can include "Property changes on:" lines that generic unified diff parsers should discard as garbage; jsdiff previously threw errors when encountering them.)

    This change brings jsdiff's behaviour more in line with GNU patch, which is highly permissive of "garbage".

  • The oldFileName and newFileName fields of StructuredPatch are now typed as string | undefined instead of string. This type change reflects the (pre-existing) reality that parsePatch can produce patches without filenames (e.g. when parsing a patch that simply contains hunks with no file headers).

8.0.4

  • #667 - fix another bug in diffWords when used with an Intl.Segmenter. If the text to be diffed included a combining mark after a whitespace character (i.e. roughly speaking, an accented space), diffWords would previously crash. Now this case is handled correctly.

8.0.3

  • #631 - fix support for using an Intl.Segmenter with diffWords. This has been almost completely broken since the feature was added in v6.0.0, since it would outright crash on any text that featured two consecutive newlines between a pair of words (a very common case).
  • #635 - small tweaks to tokenization behaviour of diffWords when used without an Intl.Segmenter. Specifically, the soft hyphen (U+00AD) is no longer considered to be a word break, and the multiplication and division signs (× and ÷) are now treated as punctuation instead of as letters / word characters.

... (truncated)

Commits

Updates mocha from 11.8.0 to 12.0.0

Release notes

Sourced from mocha's releases.

v12.0.0

12.0.0 (2026-08-31)

🩹 Fixes

  • fixup parsing negative numbers and quoted strings (#6250) (2962875)
  • preserve FIFO descriptors when respawning (#6254) (3bb317d)

📚 Documentation

🧹 Chores

v12.0.0-rc.6

12.0.0-rc.6 (2026-08-09)

🩹 Fixes

  • deps: update dependency starlight-blog to ^0.28.0 (#6153) (6b79044)
  • docs: restore homepage logo (#6183) (06e81a8)
  • docs: restore spacing around footer links (#6185) (163d751)
  • use main instead of exports for the package entry point (#6193) (c32a696)

📚 Documentation

  • blog: add community contributions post (#6172) (5fcc0fe)
  • blog: update community-contributions to 2026-community-sponsorships (5462d84)
  • fix blog/2026-community-sponsorships description (#6177) (98c4746)
  • sync CLI docs with v12 options and defaults (#6140) (579fd15)

🧹 Chores

  • deps: update dependency @​playwright/test to v1.62.1 (#6197) (dcc539a)
  • deps: update dependency eslint to v10.8.0 (#6196) (deeeec6)
  • deps: update dependency globals to v17.9.0 (#6201) (c2c6d63)
  • deps: update dependency knip to v6.31.0 (#6166) (b7cd1bd)
  • deps: update dependency sinon to v22.1.0 (#6188) (284f0c2)
  • deps: update dependency webpack to v5.109.2 (#6194) (badf733)
  • extract stripLeadingDashes helper + cover CLI arg-parsing edge cases (#6171) (867e175)
  • fix esm-utils tests when run without coverage (#6160) (c54539f)

... (truncated)

Changelog

Sourced from mocha's changelog.

12.0.0 (2026-08-31)

🩹 Fixes

  • fixup parsing negative numbers and quoted strings (#6250) (2962875)
  • preserve FIFO descriptors when respawning (#6254) (3bb317d)

📚 Documentation

🧹 Chores

12.0.0-rc.6 (2026-08-09)

🩹 Fixes

  • deps: update dependency starlight-blog to ^0.28.0 (#6153) (6b79044)
  • docs: restore homepage logo (#6183) (06e81a8)
  • docs: restore spacing around footer links (#6185) (163d751)
  • use main instead of exports for the package entry point (#6193) (c32a696)

📚 Documentation

  • blog: add community contributions post (#6172) (5fcc0fe)
  • blog: update community-contributions to 2026-community-sponsorships (5462d84)
  • fix blog/2026-community-sponsorships description (#6177) (98c4746)
  • sync CLI docs with v12 options and defaults (#6140) (579fd15)

🧹 Chores

  • deps: update dependency @​playwright/test to v1.62.1 (#6197) (dcc539a)
  • deps: update dependency eslint to v10.8.0 (#6196) (deeeec6)
  • deps: update dependency globals to v17.9.0 (#6201) (c2c6d63)
  • deps: update dependency knip to v6.31.0 (#6166) (b7cd1bd)
  • deps: update dependency sinon to v22.1.0 (#6188) (284f0c2)
  • deps: update dependency webpack to v5.109.2 (#6194) (badf733)
  • extract stripLeadingDashes helper + cover CLI arg-parsing edge cases (#6171) (867e175)
  • fix esm-utils tests when run without coverage (#6160) (c54539f)
  • keep stderr out of the JSON parsed by the FIFO test (#6187) (ea6489e)
  • limit token perms in protect-manifest workflow (#6175) (8cf0030)

... (truncated)

Commits

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@dependabot
chore(lapis-e2e): bump diff and mocha in /lapis-e2e
577a014 
Bumps [diff](https://github.com/kpdecker/jsdiff) to 9.0.0 and updates ancestor dependency [mocha](https://github.com/mochajs/mocha). These dependencies need to be updated together.


Updates `diff` from 7.0.0 to 9.0.0
- [Changelog](https://github.com/kpdecker/jsdiff/blob/master/release-notes.md)
- [Commits](kpdecker/jsdiff@7.0.0...v9.0.0)

Updates `mocha` from 11.8.0 to 12.0.0
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v11.8.0...v12.0.0)

---
updated-dependencies:
- dependency-name: diff
  dependency-version: 9.0.0
  dependency-type: indirect
- dependency-name: mocha
  dependency-version: 12.0.0
  dependency-type: direct:production
...

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@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update Javascript code labels Sep 3, 2026
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