Files
element-web/src/utils/location/parseGeoUri.ts
renovate[bot] 81192f6989 Update dependency typescript to v5.6.2 (#71)
* Update dependency typescript to v5.6.2

* Fix TS errors

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Florian Duros <florian.duros@ormaz.fr>
2024-09-26 14:25:49 +00:00

50 lines
1.3 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
export const parseGeoUri = (uri: string): GeolocationCoordinates | undefined => {
function parse(s: string): number | null {
const ret = parseFloat(s);
if (Number.isNaN(ret)) {
return null;
} else {
return ret;
}
}
const m = uri.match(/^\s*geo:(.*?)\s*$/);
if (!m) return;
const parts = m[1].split(";");
const coords = parts[0].split(",");
let uncertainty: number | null | undefined = undefined;
for (const param of parts.slice(1)) {
const m = param.match(/u=(.*)/);
if (m) uncertainty = parse(m[1]);
}
const latitude = parse(coords[0]);
const longitude = parse(coords[1]);
if (latitude === null || longitude === null) {
return;
}
const geoCoords = {
latitude: latitude!,
longitude: longitude!,
altitude: parse(coords[2]),
accuracy: uncertainty!,
altitudeAccuracy: null,
heading: null,
speed: null,
};
return {
toJSON: () => geoCoords,
...geoCoords,
};
};