Add High Contrast Base Map and Other a11y Improvements#247
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Pull request overview
This PR improves accessibility of the parcels app by adding support for a high-contrast basemap option and making a few semantic/a11y-oriented markup updates, alongside updating the Utah Design System dependency that likely enables these capabilities.
Changes:
- Adds a “High Contrast” basemap option to the map layer selector configuration.
- Improves document structure/semantics by adding a
main-contentlandmark target and promoting the app title to anh1. - Enhances the
<noscript>experience with a clearer, more accessible message and bumps@ugrc/utah-design-systemto^1.35.0(with corresponding lockfile update).
Reviewed changes
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Show a summary per file
| File | Description |
|---|---|
| src/MapContainer.tsx | Adds “High Contrast” to the LayerSelector basemap options. |
| src/App.tsx | Adds id="main-content" to <main> and changes the header title from h2 to h1. |
| index.html | Replaces the plain <noscript> text with a structured alert message. |
| package.json | Bumps @ugrc/utah-design-system to ^1.35.0 and adjusts pnpm.overrides entries. |
| pnpm-lock.yaml | Updates lockfile for the design system version bump. |
| .vscode/settings.json | Adds “basemaps” to cSpell words list. |
Files not reviewed (1)
- pnpm-lock.yaml: Language not supported
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Visit the preview URL for this PR (updated for commit da3f238): |
jacobdadams
approved these changes
Mar 30, 2026
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