124 lines
4.6 KiB
Markdown
124 lines
4.6 KiB
Markdown
---
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phase: 06-renderer-architecture
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plan: 01
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subsystem: ui
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tags: [typescript, d3, strategy-pattern, state-management]
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requires:
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- phase: 01-05 (v1.0)
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provides: heatmap.ts monolith with all rendering logic
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provides:
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- ModeRenderer interface and RenderContext type contracts
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- HeatmapState creation via createInitialState()
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- Renderer registry (registerRenderer/getRenderer)
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- Shared tooltip, color-scale, stats, date-utils modules
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affects: [06-02, 06-03, 07-mode-renderers]
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tech-stack:
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added: []
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patterns: [strategy-pattern renderer registry, state factory function, shared utility extraction]
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key-files:
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created:
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- assets/src/state.ts
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- assets/src/renderers/types.ts
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- assets/src/renderers/registry.ts
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- assets/src/shared/tooltip.ts
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- assets/src/shared/color-scale.ts
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- assets/src/shared/stats.ts
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- assets/src/shared/date-utils.ts
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- assets/test/state.test.ts
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- assets/test/registry.test.ts
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- assets/test/tooltip.test.ts
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- assets/test/color-scale.test.ts
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- assets/test/date-utils.test.ts
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modified:
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- assets/src/types.ts
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key-decisions:
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- "clearRegistry() exported for test isolation of module-level Map"
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- "Tooltip consolidated: createTooltip now appends to body and sets fixed positioning (was scattered inline in heatmap.ts)"
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- "FALLBACK_COLORS used directly in color-scale, resolveColors() dropped (always returned same value)"
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patterns-established:
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- "Strategy pattern: ModeRenderer interface with mode string key, render(ctx), optional destroy()"
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- "State factory: plain interface + createInitialState() function, no class"
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- "Shared utilities: pure functions extracted to assets/src/shared/ with independent tests"
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requirements-completed: []
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duration: 2min
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completed: 2026-04-09
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---
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# Phase 6 Plan 01: Foundation Modules Summary
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**Strategy-pattern renderer contracts, state factory, registry, and 4 shared utility modules extracted from heatmap.ts monolith**
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## Performance
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- **Duration:** 2 min
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- **Started:** 2026-04-09T07:31:40Z
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- **Completed:** 2026-04-09T07:34:36Z
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- **Tasks:** 2
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- **Files modified:** 13
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## Accomplishments
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- Created ModeRenderer/RenderContext type contracts for strategy-pattern rendering
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- Built state module with HeatmapState interface and createInitialState() factory
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- Built renderer registry with register/get/clear operations
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- Extracted tooltip, color-scale, stats, and date-utils as standalone shared modules
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- All 62 tests pass (20 new + 42 existing), esbuild still produces valid output
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Create type contracts, state module, and renderer registry** - `fe24e8b` (feat)
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2. **Task 2: Extract shared utilities from heatmap.ts** - `b9b2565` (feat)
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## Files Created/Modified
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- `assets/src/types.ts` - Added DisplayMetric, HeatmapMode, FilterState types
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- `assets/src/state.ts` - HeatmapState interface and createInitialState() factory
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- `assets/src/renderers/types.ts` - ModeRenderer and RenderContext interfaces
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- `assets/src/renderers/registry.ts` - Renderer registration and lookup with clearRegistry()
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- `assets/src/shared/tooltip.ts` - Consolidated tooltip create/show/hide functions
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- `assets/src/shared/color-scale.ts` - buildColorScale with DisplayMetric support
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- `assets/src/shared/stats.ts` - calculateStreak, calculateStats, renderStats
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- `assets/src/shared/date-utils.ts` - buildDateMap, generateCells, getWeekInterval, DayCell
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- `assets/test/state.test.ts` - 2 tests for state factory
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- `assets/test/registry.test.ts` - 3 tests for registry
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- `assets/test/tooltip.test.ts` - 5 tests for tooltip lifecycle
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- `assets/test/color-scale.test.ts` - 4 tests for color scale
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- `assets/test/date-utils.test.ts` - 6 tests for date utilities
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## Decisions Made
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- clearRegistry() exported from registry.ts for test isolation (module-level Map needs clearing between tests)
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- Tooltip creation consolidated: new createTooltip() appends to body with fixed positioning (was scattered across multiple lines in heatmap.ts)
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- resolveColors() dropped from color-scale module -- it always returned FALLBACK_COLORS
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## Deviations from Plan
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None - plan executed exactly as written.
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## Issues Encountered
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None.
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## User Setup Required
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None - no external service configuration required.
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## Next Phase Readiness
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- All building blocks ready for Plan 02 to wire heatmap.ts to use shared modules
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- ModeRenderer interface ready for year-mode renderer implementation
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- State and registry ready for mode switching logic
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## Self-Check: PASSED
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- All 12 created files exist on disk
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- Both task commits verified (fe24e8b, b9b2565)
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- Full test suite: 62/62 passing
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- esbuild: produces valid output
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---
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*Phase: 06-renderer-architecture*
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*Completed: 2026-04-09*
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