ducha-qianduan/node_modules/rxjs/internal/operators/timeInterval.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var async_1 = require("../scheduler/async");
var scan_1 = require("./scan");
var defer_1 = require("../observable/defer");
var map_1 = require("./map");
function timeInterval(scheduler) {
    if (scheduler === void 0) { scheduler = async_1.async; }
    return function (source) { return defer_1.defer(function () {
        return source.pipe(scan_1.scan(function (_a, value) {
            var current = _a.current;
            return ({ value: value, current: scheduler.now(), last: current });
        }, { current: scheduler.now(), value: undefined, last: undefined }), map_1.map(function (_a) {
            var current = _a.current, last = _a.last, value = _a.value;
            return new TimeInterval(value, current - last);
        }));
    }); };
}
exports.timeInterval = timeInterval;
var TimeInterval = (function () {
    function TimeInterval(value, interval) {
        this.value = value;
        this.interval = interval;
    }
    return TimeInterval;
}());
exports.TimeInterval = TimeInterval;
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