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feat: Show non-printable control characters to diff output#15696

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cpojer merged 3 commits intojestjs:mainfromnotoriousmango:controlchar
Jun 25, 2025

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Summary

resolve#15506
Added escape functionality to jest-diff that converts non-printable control characters into visible escaped sequences in string diffs:

ASCII control characters (0x00-0x1F, 0x7F) → \x00, \x01, etc.
C1 control characters (0x80-0x9F) → \x80, \x81, etc.
Common control chars get readable names: \b, \f, \v

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unit test

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Thank you for the fix!

@cpojercpojer merged commit2c2586d intojestjs:mainJun 25, 2025
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@notoriousmangonotoriousmango deleted the controlchar branchJuly 3, 2025 01:02
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This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.
Please note this issue tracker is not a help forum. We recommend usingStackOverflow or ourdiscord channel for questions.

@github-actionsgithub-actionsbot locked asresolvedand limited conversation to collaboratorsAug 3, 2025
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[Feature]: Include non-printable control characters such as \x01 in the console "Expected:" and "Received:" outputs.

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