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Add semantic breadcrumbs to chart examples - #1465

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taren/chart-example-breadcrumbs
Nov 1, 2026
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tannerlinsley merged 2 commits into
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taren/chart-example-breadcrumbs

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@tannerlinsley

@tannerlinsley tannerlinsley commented Nov 1, 2026 •

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Chart examples currently show one back link without a semantic breadcrumb trail or matching structured data. Build both from the same catalog metadata, including the collection when it exists, and mark only the example as the current page.

The existing collection link preserves search parameters and disables preloading. The shared breadcrumb component now accepts those two options so this change keeps that navigation behavior. Structured-data URLs remain canonical and query-free.

Continues #1151 for chart example pages. Catalog indexes, library landing pages and the separate docs work remain outside this change.

Validation: full pnpm test through normal commit hooks; actual-component SSR and 375px keyboard fixture checks. Removing search forwarding makes the preservation assertion fail. The isolated fixture used a fallback font, so full application preview verification remains required before merge. Google Rich Results validation was not performed.

Summary by CodeRabbit

  • New Features
    • Chart detail pages now display breadcrumb navigation linking to the catalog and chart, with a collection link when applicable.
    • Breadcrumb navigation preserves relevant search context and avoids preloading linked pages.
    • Chart pages now provide structured breadcrumb data for search engines.

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Latest commit: 499b263

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  • src/routes/_library/charts.catalog.charts.$caseId.tsx

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Walkthrough

Chart detail pages now display generated breadcrumbs. The shared Breadcrumbs component passes optional navigation settings to links. When loader data is available, the chart route head emits breadcrumb JSON-LD.

Changes: Chart breadcrumb flow

Layer / File(s) Summary
Shared breadcrumb contract
src/components/Breadcrumbs.tsx
BreadcrumbItem adds optional search and preload fields. Breadcrumbs passes these values to each link.
Chart breadcrumb data
src/utils/chart-breadcrumbs.ts, tests/chart-breadcrumbs.test.ts
Utilities build catalog, collection, and chart breadcrumb items and map them to Schema.org breadcrumb entries. Tests cover collection handling, navigation options, positions, and the canonical chart URL.
Chart detail integration
src/components/charts/ChartsCatalogPages.tsx, src/routes/_library/charts.catalog.charts.$caseId.tsx
Chart detail pages render generated breadcrumbs instead of a conditional single link. The route head emits serialized breadcrumb JSON-LD when loader data exists.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  participant ChartsCatalogDetail
  participant getChartBreadcrumbItems
  participant Breadcrumbs
  participant ChartRouteHead
  participant getChartBreadcrumbJsonLd
  ChartsCatalogDetail->>getChartBreadcrumbItems: catalogCase
  getChartBreadcrumbItems-->>ChartsCatalogDetail: breadcrumb items
  ChartsCatalogDetail->>Breadcrumbs: items
  ChartRouteHead->>getChartBreadcrumbJsonLd: loaderData.case
  getChartBreadcrumbJsonLd-->>ChartRouteHead: BreadcrumbList
  ChartRouteHead->>ChartRouteHead: serialize JSON-LD script
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Pre-merge checks: Passed 4 · Failed 1

Failed Failed checks: 1 warning

Check name Status Explanation Resolution
Docstring Coverage Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat… Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed Passed checks: 4 passed
Check name Status Explanation
Description Check Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check Passed The title clearly and concisely describes the main change: adding semantic breadcrumbs to chart example pages.
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.
Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 2 functions across 5 files.

Resolution

Write docstrings for the functions missing them to satisfy the coverage threshold.

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Actionable comments posted: 1


  • Fix comments: Fix CodeRabbit comments on this PR
Prompt to fix review comments
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @src/routes/_library/charts.catalog.charts.$caseId.tsx:
- Around line 29-31: Escape less-than characters in the serialized JSON-LD
before assigning it to children in the chart breadcrumb metadata, using
getChartBreadcrumbJsonLd as the value source.

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Commits

Reviewing files that changed from the base of the PR and between 483b653 and cb8853a.

Files selected for processing: 5
  • src/components/Breadcrumbs.tsx
  • src/components/charts/ChartsCatalogPages.tsx
  • src/routes/_library/charts.catalog.charts.$caseId.tsx
  • src/utils/chart-breadcrumbs.ts
  • tests/chart-breadcrumbs.test.ts

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@tannerlinsley
tannerlinsley merged commit 4c3a336 into main Nov 1, 2026
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@tannerlinsley
tannerlinsley deleted the taren/chart-example-breadcrumbs branch November 1, 2026 02:33
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