material-motion
Version:
Makes it easy to add rich, interactive motion to your application.
42 lines • 1.67 kB
JavaScript
/** @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';
import { isDefined, } from '../typeGuards';
export function withThreshold(superclass) {
return class extends superclass {
threshold(_a) {
var { limit$ } = _a, reactiveMapOptions = tslib_1.__rest(_a, ["limit$"]);
if (!isDefined(limit$)) {
limit$ = arguments[0];
}
return this._reactiveMap(Object.assign({ transform: ({ upstream, limit }) => {
if (upstream < limit) {
return ThresholdRegion.BELOW;
}
else if (upstream > limit) {
return ThresholdRegion.ABOVE;
}
else {
return ThresholdRegion.WITHIN;
}
}, inputs: {
limit: limit$,
} }, reactiveMapOptions));
}
};
}
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