59 lines
2.6 KiB
JavaScript
59 lines
2.6 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(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
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function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
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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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} |