addWatch: function()

in src/windows/GeolocationProxy.js [130:187]
2 lines of code
1 McCabe index (conditional complexity)

    addWatch: function (success, fail, args, env) {
        ensureAndCreateLocator().done(function (loc) {
            const clientId = args[0];
            const highAccuracy = args[1];

            const onPositionChanged = function (e) {
                success(createResult(e.position), { keepCallback: true });
            };

            const onStatusChanged = function (e) {
                switch (e.status) {
                case Windows.Devices.Geolocation.PositionStatus.noData:
                case Windows.Devices.Geolocation.PositionStatus.notAvailable:
                    fail({
                        code: PositionError.POSITION_UNAVAILABLE,
                        message:
                                'Data from location services is currently unavailable or you do not have the required location services present on your system.'
                    });
                    break;

                case Windows.Devices.Geolocation.PositionStatus.disabled:
                    fail({
                        code: PositionError.PERMISSION_DENIED,
                        message: 'Your location is currently turned off.'
                    });
                    break;

                    // case Windows.Devices.Geolocation.PositionStatus.initializing:
                    // case Windows.Devices.Geolocation.PositionStatus.ready:
                default:
                    break;
                }
            };

            loc.desiredAccuracy = highAccuracy
                ? Windows.Devices.Geolocation.PositionAccuracy.high
                : Windows.Devices.Geolocation.PositionAccuracy.default;

            if (cordova.platformId === 'windows') {
                // eslint-disable-line no-undef
                // 'positionchanged' event fails with error below if movementThreshold is not set
                // JavaScript runtime error: Operation aborted
                // You must set the MovementThreshold property or the ReportInterval property before adding event handlers.
                // WinRT information: You must set the MovementThreshold property or the ReportInterval property before adding event handlers
                if (Number.EPSILON) {
                    loc.movementThreshold = Number.EPSILON;
                } else {
                    loc.movementThreshold = FALLBACK_EPSILON;
                }
            }

            loc.addEventListener('positionchanged', onPositionChanged);
            loc.addEventListener('statuschanged', onStatusChanged);

            callbacks[clientId] = { pos: onPositionChanged, status: onStatusChanged };
            locs[clientId] = loc;
        }, fail);
    },