45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
import VectorLayer from 'ol/layer/Vector';
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import {Vector as VectorSource} from 'ol/source.js';
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import {Style} from 'ol/style.js';
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import Icon from 'ol/style/Icon.js';
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import pinURL from '/layers/chandler/pin.svg?url'; // TODO: remove `?url`?
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import { Collection, Feature } from 'ol';
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import { Point } from 'ol/geom';
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import { fromLonLat } from 'ol/proj';
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let features = new Collection();
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const vectorLayer = new VectorLayer({
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source: new VectorSource({
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features,
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}),
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style: new Style({
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image: new Icon({
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anchor: [0.5, 1],
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src: pinURL,
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}),
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}),
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});
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async function refresh(){
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const res = await fetch("https://whereis.chandlerswift.com/api/0/last");
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const locs = await res.json();
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const loc = locs[0];
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// TODO: I could probably just `features[0] = …` but I'm not sure if that causes problems with re-rendering features
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if (features.getLength() == 0) {
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features.push(new Feature({
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geometry: new Point(fromLonLat([loc.lon, loc.lat])),
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...loc
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}));
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} else {
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features.item(0).setProperties(loc); // TODO: this won't remove a property if it was in a previous response but not this one
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features.item(0).getGeometry().setCoordinates(fromLonLat([loc.lon, loc.lat]));
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}
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}
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refresh();
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setInterval(refresh, 10 * 1000);
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export default vectorLayer;
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