31 lines
1.3 KiB
JavaScript
31 lines
1.3 KiB
JavaScript
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define(["require", "exports", "./extendComponent"], function (require, exports, extendComponent_1) {
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.safeSetTimeout = void 0;
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/**
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* Generates a function to be attached to a React component, which can be called
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* as a replacement to setTimeout. In-flight async calls will be auto canceled if the component
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* is unmounting before the async code is executed, preventing bugs where code
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* accesses things within the component after being unmounted.
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*/
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var safeSetTimeout = function (component) {
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var activeTimeouts;
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return function (cb, duration) {
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if (!activeTimeouts) {
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activeTimeouts = new Set();
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(0, extendComponent_1.extendComponent)(component, {
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componentWillUnmount: function () {
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activeTimeouts.forEach(function (id) { return clearTimeout(id); });
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},
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});
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}
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var timeoutId = setTimeout(function () {
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activeTimeouts.delete(timeoutId);
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cb();
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}, duration);
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activeTimeouts.add(timeoutId);
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};
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};
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exports.safeSetTimeout = safeSetTimeout;
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});
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//# sourceMappingURL=safeSetTimeout.js.map
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