48 lines
No EOL
1.7 KiB
JavaScript
48 lines
No EOL
1.7 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.debounceTime = void 0;
|
|
var async_1 = require("../scheduler/async");
|
|
var lift_1 = require("../util/lift");
|
|
var OperatorSubscriber_1 = require("./OperatorSubscriber");
|
|
function debounceTime(dueTime, scheduler) {
|
|
if (scheduler === void 0) { scheduler = async_1.asyncScheduler; }
|
|
return lift_1.operate(function (source, subscriber) {
|
|
var activeTask = null;
|
|
var lastValue = null;
|
|
var lastTime = null;
|
|
var emit = function () {
|
|
if (activeTask) {
|
|
activeTask.unsubscribe();
|
|
activeTask = null;
|
|
var value = lastValue;
|
|
lastValue = null;
|
|
subscriber.next(value);
|
|
}
|
|
};
|
|
function emitWhenIdle() {
|
|
var targetTime = lastTime + dueTime;
|
|
var now = scheduler.now();
|
|
if (now < targetTime) {
|
|
activeTask = this.schedule(undefined, targetTime - now);
|
|
subscriber.add(activeTask);
|
|
return;
|
|
}
|
|
emit();
|
|
}
|
|
source.subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
|
|
lastValue = value;
|
|
lastTime = scheduler.now();
|
|
if (!activeTask) {
|
|
activeTask = scheduler.schedule(emitWhenIdle, dueTime);
|
|
subscriber.add(activeTask);
|
|
}
|
|
}, function () {
|
|
emit();
|
|
subscriber.complete();
|
|
}, undefined, function () {
|
|
lastValue = activeTask = null;
|
|
}));
|
|
});
|
|
}
|
|
exports.debounceTime = debounceTime;
|
|
//# sourceMappingURL=debounceTime.js.map
|