Port `formatDiagnostics` and `formatDiagnosticsWithColorAndContext` - #63935

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John Favret (johnfav03) wants to merge 7 commits into

microsoft:mainfrom

johnfav03:johnfav03/investigate-4830-format-diagnostics

Commits on Aug 20, 2026

Commits on Aug 21, 2026

validate diagnostics with file hashes
John Favret (johnfav03)
committed
fe4cad3
addressed feedback
John Favret (johnfav03)
committed
3c5feb4
move diagnostic formatting from go to js
John Favret (johnfav03)
committed
9d62a92