69ee8fd96a
* Add commercial licence and update config files * Update license in headers * Revert "Update license in headers" This reverts commit 7ed7949485e88889a9ffc8075a9df1f8e936777e. * Update only spdx id * Remove LicenseRef- from package.json LicenseRef- no longer allowed in npm v3 package.json This fixes the warning in the logs and failing build check.
50 lines
1.3 KiB
TypeScript
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 OR LicenseRef-Element-Commercial
|
|
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,
|
|
};
|
|
};
|