SQL/node_modules/rxjs/internal/observable/interval.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var Observable_1 = require("../Observable");
var async_1 = require("../scheduler/async");
var isNumeric_1 = require("../util/isNumeric");
function interval(period, scheduler) {
    if (period === void 0) { period = 0; }
    if (scheduler === void 0) { scheduler = async_1.async; }
    if (!isNumeric_1.isNumeric(period) || period < 0) {
        period = 0;
    }
    if (!scheduler || typeof scheduler.schedule !== 'function') {
        scheduler = async_1.async;
    }
    return new Observable_1.Observable(function (subscriber) {
        subscriber.add(scheduler.schedule(dispatch, period, { subscriber: subscriber, counter: 0, period: period }));
        return subscriber;
    });
}
exports.interval = interval;
function dispatch(state) {
    var subscriber = state.subscriber, counter = state.counter, period = state.period;
    subscriber.next(counter);
    this.schedule({ subscriber: subscriber, counter: counter + 1, period: period }, period);
}
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