matrix-react-sdk
Version:
SDK for matrix.org using React
45 lines (41 loc) • 5.63 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getBeaconBounds = void 0;
var _arrays = require("../arrays");
var _location = require("../location");
/*
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.
*/
/**
* Get the geo bounds of given list of beacons
*
* Latitude:
* equator: 0, North pole: 90, South pole -90
* Longitude:
* Prime Meridian (Greenwich): 0
* east of Greenwich has a positive longitude, max 180
* west of Greenwich has a negative longitude, min -180
*/
const getBeaconBounds = beacons => {
const coords = (0, _arrays.filterBoolean)(beacons.map(beacon => !!beacon.latestLocationState?.uri ? (0, _location.parseGeoUri)(beacon.latestLocationState.uri) : undefined));
if (!coords.length) {
return;
}
// sort descending
const sortedByLat = [...coords].sort((left, right) => right.latitude - left.latitude);
const sortedByLong = [...coords].sort((left, right) => right.longitude - left.longitude);
if (sortedByLat.length < 1 || sortedByLong.length < 1) return;
return {
north: sortedByLat[0].latitude,
south: sortedByLat[sortedByLat.length - 1].latitude,
east: sortedByLong[0].longitude,
west: sortedByLong[sortedByLong.length - 1].longitude
};
};
exports.getBeaconBounds = getBeaconBounds;
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