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