fix: repair 16 failing tests across utility library#240
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- calculator: divide now throws on division by zero - string-utils: wordCount splits on whitespace runs; implement truncate - task-manager: implement remove, update, and sortBy - date-utils: fix off-by-one in formatRelative day rounding - validator: allow long TLDs in isEmail and ports in isUrl
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Summary
Fixes all 16 failing tests in the TypeScript utility library. 60/60 tests now pass with no regressions. Only source files were changed — no test files touched, no dependencies added.
Changes
src/calculator.tsdividethrowsError("Division by zero")when divisor is0src/string-utils.tswordCountsplits on/\s+/(handles consecutive spaces); implementedtruncate(unchanged if within limit, word-boundary truncation, ellipsis counts towardmaxLength, handles strings shorter than the ellipsis)src/task-manager.tsremove(returns bool),update(title/priority, returns bool), andsortBy(priorityhigh→medium→low,createdAtoldest first)src/date-utils.tsformatRelativeday roundingsrc/validator.tsisEmailaccepts long TLDs (e.g..museum);isUrlaccepts URLs with a portAlso removed three stale
BUG:JSDoc comments that described now-fixed behaviour.Verification
bun test→ 60 pass, 0 failAssumptions