Wegwichtel/public/js/geolocation.js
2026-06-16 16:20:09 +02:00

62 lines
1.5 KiB
JavaScript

(function (ns) {
'use strict';
let watchId = null;
function normalize(position) {
return {
lat: position.coords.latitude,
lon: position.coords.longitude,
accuracy: position.coords.accuracy,
altitude: position.coords.altitude,
heading: position.coords.heading,
speed: position.coords.speed,
timestamp: position.timestamp
};
}
ns.Geo = {
current() {
return new Promise((resolve, reject) => {
if (!navigator.geolocation) {
reject(new Error('Dieses Gerät unterstützt keine Geolokalisierung.'));
return;
}
navigator.geolocation.getCurrentPosition(
position => resolve(normalize(position)),
reject,
{
enableHighAccuracy: true,
timeout: ns.Config.geolocationTimeoutMs,
maximumAge: 30000
}
);
});
},
start(callback, onError) {
this.stop();
if (!navigator.geolocation) {
onError?.(new Error('Dieses Gerät unterstützt keine Geolokalisierung.'));
return;
}
watchId = navigator.geolocation.watchPosition(
position => callback(normalize(position)),
onError,
{
enableHighAccuracy: true,
timeout: 20000,
maximumAge: 5000
}
);
},
stop() {
if (watchId != null) navigator.geolocation.clearWatch(watchId);
watchId = null;
}
};
}(window.Wegwichtel));