45 lines
1.6 KiB
Plaintext
45 lines
1.6 KiB
Plaintext
import { __awaiter, __generator } from "tslib";
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import { useEffect } from 'react';
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import { isFunction } from '../utils';
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function isAsyncGenerator(val) {
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return isFunction(val[Symbol.asyncIterator]);
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}
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function useAsyncEffect(effect, deps) {
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useEffect(function () {
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var e = effect();
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var cancelled = false;
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function execute() {
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return __awaiter(this, void 0, void 0, function () {
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var result;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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if (!isAsyncGenerator(e)) return [3 /*break*/, 4];
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_a.label = 1;
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case 1:
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if (!true) return [3 /*break*/, 3];
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return [4 /*yield*/, e.next()];
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case 2:
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result = _a.sent();
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if (result.done || cancelled) {
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return [3 /*break*/, 3];
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}
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return [3 /*break*/, 1];
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case 3: return [3 /*break*/, 6];
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case 4: return [4 /*yield*/, e];
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case 5:
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_a.sent();
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_a.label = 6;
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case 6: return [2 /*return*/];
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}
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});
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});
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}
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execute();
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return function () {
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cancelled = true;
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};
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}, deps);
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}
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export default useAsyncEffect;
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