timer.js
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"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");
var isScheduler_1 = require("../util/isScheduler");
function timer(dueTime, periodOrScheduler, scheduler) {
if (dueTime === void 0) { dueTime = 0; }
var period = -1;
if (isNumeric_1.isNumeric(periodOrScheduler)) {
period = Number(periodOrScheduler) < 1 && 1 || Number(periodOrScheduler);
}
else if (isScheduler_1.isScheduler(periodOrScheduler)) {
scheduler = periodOrScheduler;
}
if (!isScheduler_1.isScheduler(scheduler)) {
scheduler = async_1.async;
}
return new Observable_1.Observable(function (subscriber) {
var due = isNumeric_1.isNumeric(dueTime)
? dueTime
: (+dueTime - scheduler.now());
return scheduler.schedule(dispatch, due, {
index: 0, period: period, subscriber: subscriber
});
});
}
exports.timer = timer;
function dispatch(state) {
var index = state.index, period = state.period, subscriber = state.subscriber;
subscriber.next(index);
if (subscriber.closed) {
return;
}
else if (period === -1) {
return subscriber.complete();
}
state.index = index + 1;
this.schedule(state, period);
}
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