Carlos Florêncio
63 lines
2.7 KiB
Markdown
63 lines
2.7 KiB
Markdown
---
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id: "02-clipboard-fallback"
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title: "Clipboard fallback migration"
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status: done
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wave: 2
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depends_on: ["01-uuid-fallback"]
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plan: "plan.md"
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spec: "../../specs/auth/requirements/secure-context-browser-fallbacks.md"
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---
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# Task 02: Clipboard fallback migration
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Make every web copy action tolerate an unavailable or rejected Clipboard API
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by sharing the existing dialog-aware DOM fallback.
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## Acceptance
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- Modern `navigator.clipboard.writeText` is preferred when available.
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- Missing or rejected Clipboard API requests use the DOM fallback and do not
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produce uncaught promise rejections or `TypeError`s.
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- Existing copied indicators, toasts, and focus behavior remain intact across
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migrated call sites.
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- No direct `navigator.clipboard.writeText(...)` calls remain in application
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source outside the shared utility and its tests.
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## Files likely touched
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- `apps/web/lib/utils/copy-to-clipboard.ts`
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- `apps/web/lib/utils/copy-to-clipboard.test.ts`
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- `apps/web/hooks/use-copy-to-clipboard.ts`
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- `apps/web/hooks/use-copy-to-clipboard.test.ts`
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- `apps/web/hooks/use-prompt-result-delivery.ts`
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- `apps/web/hooks/use-prompt-result-delivery.test.ts`
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- Direct-copy settings, onboarding, task, diff/editor, review, and share
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components listed in the clipboard section of `plan.md`.
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## Verification
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```bash
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cd apps && pnpm --filter @kandev/web test -- --run lib/utils/copy-to-clipboard.test.ts hooks/use-copy-to-clipboard.test.ts components/settings components/task components/editors components/review components/diff app/settings
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cd apps/web && pnpm run typecheck
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rtk rg -n --glob '!**/*.test.*' --glob '!**/e2e/**' 'navigator\.clipboard(?:\?|\.)?\.writeText\s*\(' apps/web
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```
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## Risks
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The fallback is best effort on browsers that block `execCommand`; callers must
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retain their current failure/toast semantics and must not report success when
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the utility returns false.
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## Results
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- RED: the prompt-result delivery regression initially reported an error and
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skipped the DOM fallback when `navigator.clipboard` was unavailable.
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- GREEN: `cd apps && pnpm --filter @kandev/web test -- --run lib/utils/copy-to-clipboard.test.ts hooks/use-copy-to-clipboard.test.ts hooks/use-prompt-result-delivery.test.ts`
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passed (3 files, 21 tests).
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- The task-defined broader command passed (360 files, 2,647 tests, 4 skipped):
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`cd apps && pnpm --filter @kandev/web test -- --run lib/utils/copy-to-clipboard.test.ts hooks/use-copy-to-clipboard.test.ts hooks/use-prompt-result-delivery.test.ts components/settings components/task components/editors components/review components/diff app/settings`.
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- `cd apps/web && pnpm run typecheck` passed.
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- Targeted ESLint, Prettier, and `i18n:ratchet` checks passed.
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- Static audit leaves direct Clipboard API access only in the shared utility and
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tests/E2E helpers.
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