26 lines
1015 B
JavaScript
26 lines
1015 B
JavaScript
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import { extendComponent } from './extendComponent';
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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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export 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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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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//# sourceMappingURL=safeSetTimeout.js.map
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