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fix: repair cross-package bugs so tests and typecheck pass - #138

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quantcode/e2e-tier3-2167-1787869705
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fix: repair cross-package bugs so tests and typecheck pass#138
stooit wants to merge 1 commit into
mainfrom
quantcode/e2e-tier3-2167-1787869705

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@stooit stooit commented Aug 27, 2026

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Summary

Fixes all failing tests and eliminates all type errors across the monorepo. bun run test13 pass / 0 fail; npx tsc --noEmit0 errors. No test files were modified and no dependencies were added.

Changes

Package Fix
packages/ui — Button Forward aria-label to the <button> element for iconOnly buttons so they expose an accessible name (WCAG 2.2 SC 4.1.2). A generic fallback label is applied (with a dev warning) when omitted.
packages/ui — DataTable Use the functional form of setState for the sort-direction toggle so it stays correct across rapid successive clicks; removed the stale BUG: comments.
packages/utilsformatDate Switched to en-GB so day-first dates render with no leading zero on the day (1/03/2024). Every en-AU field-option combination forces a 2-digit day, which failed the test's /^1/ assertion.
apps/weblib/api.ts The useThrottle export in @e2e/utils was renamed to useDebounce; updated the import (and collapsed the duplicate @e2e/utils import).
tsconfig.json Added "types": ["bun-types"] to resolve the Cannot find module 'bun:test' (TS2307) errors reported in the test files. Config-level change only — no test files touched.

Assumptions

  • Test files are authoritative and unmodifiable. All fixes were made in source/config to satisfy the tests as written.
  • bun:test type errors resolved via tsconfig, not test files. Adding bun-types to compilerOptions.types is the correct, test-file-free way to eliminate those TS2307 errors. bun-types was already a devDependency.
  • formatDate uses en-GB because en-AU (and every field-option variant of it) forces a 2-digit day in the ICU implementation, which the test forbids. Its sibling formatDateTime was intentionally left on en-AU and out of scope (no test covers it).
  • DataTable: the two DataTable tests already passed at HEAD, so the functional-setState change is a behavioural no-op here rather than a live-bug fix — but it's the idiomatic, risk-free way to write the toggle and hardens against the stale-closure class of bug the source comments described.

Follow-ups (not addressed — out of scope of the failing tests)

  • Button.tsx references process.env.NODE_ENV unguarded in a shared UI package that ships raw source; consider typeof process !== "undefined" guarding to avoid a browser ReferenceError.
  • The generic "Button" fallback label satisfies a11y scanners mechanically but conveys no meaning; a discriminated-union type requiring aria-label when iconOnly would be stronger, but conflicts with an existing (unmodifiable) test that renders iconOnly without a label.
  • "bun-types": "latest" is unpinned in devDependencies — worth pinning for reproducibility.

- ui/Button: forward aria-label to the button element for icon-only
  buttons so they have an accessible name (WCAG 2.2 SC 4.1.2)
- ui/DataTable: use functional setState for the sort-direction toggle
  to avoid a stale-closure toggle across rapid successive clicks
- utils/formatDate: use en-GB so day-first dates render without a
  leading zero on the day (1/03/2024), matching the expected format
- web/api: fix stale import of the renamed useThrottle export from
  @e2e/utils (now useDebounce)
- tsconfig: add bun-types to compilerOptions.types to resolve the
  bun:test module type errors in the test files

bun run test: 13 pass / 0 fail. tsc --noEmit: 0 errors.
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