59 lines
2.3 KiB
JavaScript
59 lines
2.3 KiB
JavaScript
var $1254e5bb94ac8761$exports = require("./useEffectEvent.main.js");
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var $78605a5d7424e31b$exports = require("./useLayoutEffect.main.js");
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var $fymK9$react = require("react");
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function $parcel$export(e, n, v, s) {
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Object.defineProperty(e, n, {get: v, set: s, enumerable: true, configurable: true});
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}
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$parcel$export(module.exports, "useValueEffect", () => $19a2307bfabafaf1$export$14d238f342723f25);
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/*
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* Copyright 2020 Adobe. All rights reserved.
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* This file is licensed to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License. You may obtain a copy
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* of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
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* OF ANY KIND, either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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function $19a2307bfabafaf1$export$14d238f342723f25(defaultValue) {
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let [value, setValue] = (0, $fymK9$react.useState)(defaultValue);
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let effect = (0, $fymK9$react.useRef)(null);
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// Store the function in a ref so we can always access the current version
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// which has the proper `value` in scope.
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let nextRef = (0, $1254e5bb94ac8761$exports.useEffectEvent)(()=>{
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if (!effect.current) return;
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// Run the generator to the next yield.
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let newValue = effect.current.next();
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// If the generator is done, reset the effect.
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if (newValue.done) {
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effect.current = null;
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return;
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}
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// If the value is the same as the current value,
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// then continue to the next yield. Otherwise,
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// set the value in state and wait for the next layout effect.
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if (value === newValue.value) nextRef();
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else setValue(newValue.value);
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});
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(0, $78605a5d7424e31b$exports.useLayoutEffect)(()=>{
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// If there is an effect currently running, continue to the next yield.
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if (effect.current) nextRef();
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});
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let queue = (0, $1254e5bb94ac8761$exports.useEffectEvent)((fn)=>{
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effect.current = fn(value);
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nextRef();
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});
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return [
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value,
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queue
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];
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}
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//# sourceMappingURL=useValueEffect.main.js.map
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