node_modules/rxjs/dist/cjs/internal/observable/timer.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.timer = void 0;
var Observable_1 = require("../Observable");
var async_1 = require("../scheduler/async");
var isScheduler_1 = require("../util/isScheduler");
var isDate_1 = require("../util/isDate");
function timer(dueTime, intervalOrScheduler, scheduler) {
    if (dueTime === void 0) { dueTime = 0; }
    if (scheduler === void 0) { scheduler = async_1.async; }
    var intervalDuration = -1;
    if (intervalOrScheduler != null) {
        if (isScheduler_1.isScheduler(intervalOrScheduler)) {
            scheduler = intervalOrScheduler;
        }
        else {
            intervalDuration = intervalOrScheduler;
        }
    }
    return new Observable_1.Observable(function (subscriber) {
        var due = isDate_1.isValidDate(dueTime) ? +dueTime - scheduler.now() : dueTime;
        if (due < 0) {
            due = 0;
        }
        var n = 0;
        return scheduler.schedule(function () {
            if (!subscriber.closed) {
                subscriber.next(n++);
                if (0 <= intervalDuration) {
                    this.schedule(undefined, intervalDuration);
                }
                else {
                    subscriber.complete();
                }
            }
        }, due);
    });
}
exports.timer = timer;
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