Individual skill
portaljs-add-map
Render a GeoJSON dataset on an interactive Leaflet map in the Views section of a dataset's showcase. Installs react-leaflet and a Map component, then renders the map for the chosen dataset. Use when a dataset's data is geographic and a map view is needed alongside the showcase's default metadata and download.
skills/portaljs-add-map/SKILL.md
Source commit fc7ccd651459549a962c8b7aa08f60f8849fd9a5
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 3, 2026
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Repository context
- Repository stars (not skill ratings)
- 2,370
- Repository last updated
- Oct 28, 2026
- License
- MIT
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- data-portal Repository topic
- ckan Repository topic
- nextjs Repository topic
- open-data-portal Repository topic
- data-mesh Repository topic
- datahub Repository topic
- open-data Repository topic
- openmetadata Repository topic
- dataverse Repository topic
- dkan Repository topic
- portaljs Declared skill tag
- data-portal Declared skill tag
- map Declared skill tag
- geojson Declared skill tag
- leaflet Declared skill tag
- dataviz Declared skill tag
- data Derived category
- engineering Derived category
- engineering-web Derived category
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# PortalJS — Add Map
## Overview
Add an interactive Leaflet map as a view on a dataset's **showcase** in a
`portaljs-catalog` portal. The skill installs `react-leaflet`/`leaflet` (added directly —
never `@portaljs/components`), writes a reusable `Map` component split across
`MapView.tsx` (the Leaflet code) and `Map.tsx` (a `dynamic(..., { ssr: false })` wrapper,
since Leaflet touches `window` at module load), and renders `<Map />` into the **Views**
section of the showcase route `pages/[owner]/[slug].tsx` for one chosen GeoJSON dataset.
The dataset should already carry `format: "geojson"` in `datasets.json`; if it doesn't
exist yet, the skill can copy the file and register it first.
## Prerequisites