@schoolbelle/common/fesm2015/schoolbelle-common-timer.js

import { Injectable, NgZone, defineInjectable, inject } from '@angular/core';
import { Subject } from 'rxjs';
import { takeWhile, map, startWith } from 'rxjs/operators';

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
class TimerService {
    /**
     * @param {?} zone
     */
    constructor(zone) {
        this.zone = zone;
        this.tickEvent = new Subject();
        /**
         * setInterval is overriden by Angular to cause a change detection cycle.
         * avoid unnecessary detection cycles by using zone.runOutsideAnguler.
         */
        this.zone.runOutsideAngular((/**
         * @return {?}
         */
        () => {
            setInterval((/**
             * @return {?}
             */
            () => {
                this.tickEvent.next(Date.now());
            }), 1000);
        }));
    }
    /**
     * this function return observable that tries to stream time left at every second until it passes zero.
     * @param {?} timeDiff
     * @return {?}
     */
    setTimeout(timeDiff) {
        /** @type {?} */
        const at = Date.now() + timeDiff;
        return this.tickEvent.pipe(takeWhile((/**
         * @param {?} cts
         * @return {?}
         */
        cts => cts <= at)), map((/**
         * @param {?} cts
         * @return {?}
         */
        cts => (at - cts))), startWith(timeDiff));
    }
}
TimerService.decorators = [
    { type: Injectable, args: [{
                providedIn: 'root'
            },] }
];
/** @nocollapse */
TimerService.ctorParameters = () => [
    { type: NgZone }
];
/** @nocollapse */ TimerService.ngInjectableDef = defineInjectable({ factory: function TimerService_Factory() { return new TimerService(inject(NgZone)); }, token: TimerService, providedIn: "root" });

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */

export { TimerService };

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