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Backport regex-free comparator whitespace scanning while preserving numeric-first prerelease matching and existing regex exports. Include regression coverage for compatibility, exported regex preservation, and parsing without COMPARATORTRIM execution. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 03b4a44c-26a3-4d56-9b26-cd46006844c6
nishantms
approved these changes
Oct 16, 2026
martinrrm
approved these changes
Oct 19, 2026
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Summary
Backport the v7 range parsing performance fix from #918 to v6. Replace execution of
COMPARATORTRIMduring range parsing with a regex-free whitespace scanner while preserving the existing exported regexes.Preserve v6-specific parsing behavior, including numeric-first prerelease matching. Add coverage confirming legacy compatibility, exported regex preservation, and parsing without executing
COMPARATORTRIM.Stack
Depends on #924, the v6 coverage backport of #917. This PR targets
reggi/chore-adds-tests-v6so its diff contains only fix commit9d1812e. Merge #924 first, then retarget this PR torelease/v6if GitHub does not do so automatically.Validation
The full v6 test suite passed locally on Node 20.19.5 with 100% statement, branch, function, and line coverage; one test was skipped. Additional differential checks matched the legacy regex across 30,870 cases. The full supported Node-version matrix remains unverified locally.