44 lines
901 B
JavaScript
44 lines
901 B
JavaScript
let map;
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let circle;
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function update() {
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get_data().then(c=> {
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const d = [c.latitude,c.longitude];
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if (!map) {
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map = L.map('map', {
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center: d,
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zoom: 13
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});
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L.tileLayer(`https://tile.openstreetmap.org/{z}/{x}/{y}.png`, {
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maxZoom: 19,
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attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
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}).addTo(map);
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}
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if (circle) {
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circle.remove();
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circle=null;
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}
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if (circle == null) {
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circle = L.circle(d, {
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color: 'red',
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fillColor: '#f03',
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fillOpacity: 0.5,
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radius: 50
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}).addTo(map).bindPopup('I\'m here.');
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}
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});
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}
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function get_data() {
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const res = fetch("lastloc.json").then((a)=> {
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const b = a.json().then((j) => {
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return j;
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})
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return b;
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})
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return res;
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}
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update();
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setInterval(update,10000);
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