rx-queue
Version:
Easy to Use ReactiveX Queue that Supports Delay/DelayExecutor/Throttle/Debounce/Concurrency Features Powered by RxJS/IxJS
41 lines • 1.41 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DelayQueue = void 0;
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const rx_queue_js_1 = __importDefault(require("../rx-queue.js"));
/**
* DelayQueue passes all the items and add delays between items.
* T: item type
*/
class DelayQueue extends rx_queue_js_1.default {
subscription;
subject;
/**
*
* @param period milliseconds
*/
constructor(period) {
super(period);
this.subject = new rxjs_1.Subject();
this.subscription = this.subject.pipe((0, operators_1.concatMap)(x => (0, rxjs_1.concat)((0, rxjs_1.of)(x), // emit first item right away
/**
* Issue #71 - DelayQueue failed: behavior breaking change after RxJS from v6 to v7
* https://github.com/huan/rx-queue/issues/71
*/
(0, rxjs_1.timer)(this.period).pipe((0, operators_1.ignoreElements)())))).subscribe((item) => super.next(item));
}
next(item) {
this.subject.next(item);
}
unsubscribe() {
this.subscription.unsubscribe();
super.unsubscribe();
}
}
exports.DelayQueue = DelayQueue;
exports.default = DelayQueue;
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