46 lines
1023 B
JavaScript
46 lines
1023 B
JavaScript
var __read = this && this.__read || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o),
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r,
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ar = [],
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e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) {
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ar.push(r.value);
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}
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} catch (error) {
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e = {
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error: error
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};
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} finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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} finally {
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if (e) throw e.error;
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}
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}
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return ar;
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};
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import React from 'react';
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import useUnmountedRef from '../useUnmountedRef';
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function useSafeState(initialState) {
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var unmountedRef = useUnmountedRef();
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var _a = __read(React.useState(initialState), 2),
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state = _a[0],
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setState = _a[1];
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var setCurrentState = React.useCallback(function (currentState) {
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/** 如果组件已经卸载则不再更新 state */
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if (unmountedRef.current) return;
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setState(currentState);
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}, []);
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return [state, setCurrentState];
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}
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export default useSafeState; |