56 lines
2.9 KiB
JavaScript
56 lines
2.9 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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var _typeof = require("@babel/runtime/helpers/typeof");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = useEffectState;
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exports.useBatcher = useBatcher;
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var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
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var _useEvent = _interopRequireDefault(require("rc-util/lib/hooks/useEvent"));
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var React = _interopRequireWildcard(require("react"));
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var _reactDom = require("react-dom");
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var _channelUpdate = _interopRequireDefault(require("./channelUpdate"));
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function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
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function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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/**
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* Batcher for record any `useEffectState` need update.
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*/
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function useBatcher() {
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// Updater Trigger
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var updateFuncRef = React.useRef(null);
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// Notify update
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var notifyEffectUpdate = function notifyEffectUpdate(callback) {
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if (!updateFuncRef.current) {
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updateFuncRef.current = [];
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(0, _channelUpdate.default)(function () {
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(0, _reactDom.unstable_batchedUpdates)(function () {
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updateFuncRef.current.forEach(function (fn) {
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fn();
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});
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updateFuncRef.current = null;
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});
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});
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}
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updateFuncRef.current.push(callback);
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};
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return notifyEffectUpdate;
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}
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/**
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* Trigger state update by `useLayoutEffect` to save perf.
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*/
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function useEffectState(notifyEffectUpdate, defaultValue) {
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// Value
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var _React$useState = React.useState(defaultValue),
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_React$useState2 = (0, _slicedToArray2.default)(_React$useState, 2),
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stateValue = _React$useState2[0],
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setStateValue = _React$useState2[1];
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// Set State
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var setEffectVal = (0, _useEvent.default)(function (nextValue) {
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notifyEffectUpdate(function () {
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setStateValue(nextValue);
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});
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});
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return [stateValue, setEffectVal];
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} |