material-motion/dist/operators/thresholdRange.js

Makes it easy to add rich, interactive motion to your application.

/** @license
 *  Copyright 2016 - present The Material Motion Authors. All Rights Reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not
 *  use this file except in compliance with the License. You may obtain a copy
 *  of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *  License for the specific language governing permissions and limitations
 *  under the License.
 */
import * as tslib_1 from "tslib";
import { ThresholdRegion, } from '../enums';
export function withThresholdRange(superclass) {
    return class extends superclass {
        thresholdRange(_a) {
            var { start$, end$ } = _a, _reactiveMapOptions = tslib_1.__rest(_a, ["start$", "end$"]);
            return this._reactiveMap(Object.assign({ transform: ({ upstream, start, end }) => {
                    const lowerLimit = Math.min(start, end);
                    const upperLimit = Math.max(start, end);
                    if (upstream < lowerLimit) {
                        return ThresholdRegion.BELOW;
                    }
                    else if (upstream > upperLimit) {
                        return ThresholdRegion.ABOVE;
                    }
                    else {
                        return ThresholdRegion.WITHIN;
                    }
                }, inputs: {
                    start: start$,
                    end: end$
                } }, _reactiveMapOptions));
        }
    };
}
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