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Geojson #9

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cdc5b36
Displaying on a map
lutangar Nov 29, 2023
c3b4252
Add Github action to publish/update docs
lutangar Nov 29, 2023
885fa9b
Update docs script
lutangar Nov 29, 2023
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18 changes: 18 additions & 0 deletions .github/workflows/docs.yml
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name: Docs

on:
push:
branches: ['master']
pull_request:
branches: ['master']
workflow_dispatch:
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- uses: actions/setup-node@v3
with:
node-version: '16.x'
registry-url: 'https://registry.npmjs.org'
- run: npm install
1 change: 1 addition & 0 deletions .gitignore
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@@ -1,3 +1,4 @@
docs/*.json
node_modules
npm-debug.log
admin1CodesASCII.txt
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1 change: 1 addition & 0 deletions .npmignore
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Expand Up @@ -42,6 +42,7 @@ packages

# Project
.github/
docs/
.prettierignore
.prettierrc
.release-it.json
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56 changes: 56 additions & 0 deletions docs/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<base target="_top" />
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>cities.json - Cities of the World with a population > 1000</title>
<link
rel="stylesheet"
href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY="
crossorigin=""
/>
<script
src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo="
crossorigin=""
></script>

<style>
html,
body {
height: 100%;
margin: 0;
}
.leaflet-container {
height: 100%;
width: 100%;
max-width: 100%;
max-height: 100%;
}
.ribbon-link {
position: fixed;
right: 0;
top: 0;
z-index: 999;
}
</style>
</head>
<body>
<div id="map"></div>
<a class="ribbon-link" href="https://github.com/lutangar/cities.json"
><img
decoding="async"
width="149"
height="149"
src="https://github.blog/wp-content/uploads/2008/12/forkme_right_red_aa0000.png?resize=149%2C149"
class="attachment-full size-full"
alt="Fork me on GitHub"
loading="lazy"
data-recalc-dims="1"
/></a>
<script type="module" src="./index.js"></script>
<script></script>
</body>
</html>
29 changes: 29 additions & 0 deletions docs/index.js
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import cities from './cities.geo.json' assert { type: 'json' };

const map = L.map('map').setView([45.74846, 4.84671], 15);

L.tileLayer(
'https://{s}.basemaps.cartocdn.com/rastertiles/light_nolabels/{z}/{x}/{y}.png',
{
maxZoom: 18,
}
).addTo(map);

function onEachFeature(feature, layer) {
const popupContent = `<h2>${feature?.properties?.name}</h2>`;
layer.bindPopup(popupContent);
}

L.geoJSON([cities], {
onEachFeature,
pointToLayer(feature, latlng) {
return L.circleMarker(latlng, {
radius: 5,
fillColor: '#ff7800',
color: '#000',
weight: 1,
opacity: 1,
fillOpacity: 0.8,
});
},
}).addTo(map);
24 changes: 24 additions & 0 deletions geojson.js
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const cities = require('./cities.json');
const jsonfile = require('jsonfile');

const mapCityToPointFeature = ({ lat, lng, ...properties }) => ({
type: 'Feature',
properties,
geometry: {
type: 'Point',
coordinates: [parseFloat(lng), parseFloat(lat)],
},
});
jsonfile.writeFile(
'./docs/cities.geo.json',
{
type: 'FeatureCollection',
features: cities.map(mapCityToPointFeature),
},
{ spaces: 2 },
(e) => {
if (e) {
console.error(e);
}
}
);
1 change: 1 addition & 0 deletions package.json
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Expand Up @@ -8,6 +8,7 @@
"convert": "node convert",
"download": "node download",
"build": "npm run download && npm run convert",
"geojson": "node geojson",
"prettier": "prettier -w -u .",
"release": "release-it"
},
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