536a8f98b9
Implements the journal-elevation-profile change (specs/journal-elevation-profile):
- gpx: `elevationSeries(tracks)` → { d, e, lat, lng }[] with cumulative distance,
downsampled (keeps first/last), empty when <2 points carry elevation.
- ElevationProfile: read-only SVG area chart (vertical gradient fill), highest/
lowest summary + a hover readout. Reports hovered index (onActive) and clicked
index (onSeek); draws a marker at the active index. Renders nothing for an
empty series.
- RouteMapThumbnail: ActiveMarker (CircleMarker at the chart's active point),
HoverTracker (route hover → nearest sample → onHoverIndex), Recenter (panTo on
chart click). Props forwarded through ClientMap.
- Wired into the activity + route detail pages via a shared activeIndex/centerOn
state; loaders expose the series (activity reuses the moving-time parse).
- i18n journal.elevation.{highest,lowest} in en + de.
Ascent/descent stay in the stat row (#532); the chart summary shows highest/
lowest to avoid duplication.
Tests: elevationSeries unit; ElevationProfile component (jsdom); e2e creates an
activity from an elevation GPX and asserts the chart renders. typecheck + lint +
unit (gpx 67, journal 315) green.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
28 lines
1.9 KiB
Markdown
28 lines
1.9 KiB
Markdown
## 1. Series helper
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- [x] 1.1 `elevationSeries(tracks, maxPoints=400)` in `@trails-cool/gpx` → `{ d, e, lat, lng }[]`, downsampled (keeps first/last), empty when <2 points carry elevation; unit-tested.
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- [x] 1.2 Expose the series from the route + activity detail loaders (one parse; activity reuses the moving-time parse). Highest/lowest are computed in the chart; ascent/descent stay in the stat row.
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## 2. Chart component
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- [x] 2.1 Presentational `ElevationProfile` SVG area chart (vertical gradient fill) with a highest/lowest summary + a hover readout (distance · elevation).
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- [x] 2.2 Renders nothing when the series has <2 points.
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## 3. Active-distance interaction
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- [x] 3.1 Lift a shared `activeIndex | null` (+ `centerOn`) above the detail page's map + chart.
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- [x] 3.2 Chart hover → `onActive(index)`; map draws a `CircleMarker` at that sample's lat/lng.
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- [x] 3.3 Map route hover → `HoverTracker` finds the nearest sample → `onHoverIndex`; chart draws a crosshair + dot.
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- [x] 3.4 Chart pointer-down → `onSeek` bumps `centerOn`; map `panTo`s that point (read-only, no data change).
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## 4. Wire-in & i18n
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- [x] 4.1 Mounted in `routes.$id.tsx` and `activities.$id.tsx` (props forwarded through `ClientMap`).
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- [x] 4.2 Add `journal.elevation.{highest,lowest}` to en + de.
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## 5. Tests & checks
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- [x] 5.1 Unit: `elevationSeries` (cumulative distance, flatten segments, downsample first/last, no-elevation → empty).
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- [x] 5.2 Component (jsdom): chart renders for a series + highest/lowest summary; nothing for a too-short series; marker on active; `onSeek` on pointer-down.
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- [x] 5.3 E2E: create an activity from an elevation GPX, assert the profile chart + summary render (`e2e/elevation-profile.test.ts`, registered in `playwright.config.ts`). Passes locally.
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- [x] 5.4 typecheck + lint + unit (gpx 67, journal 315) green; new e2e passes locally. Full `pnpm test:e2e` runs in CI.
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