@ecip/shared/esm2015/src/broadcaster.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { Injectable } from "@angular/core";
import { Subject } from "rxjs/Rx";
/**
 * @record
 */
function BroadcastEvent() { }
if (false) {
    /** @type {?} */
    BroadcastEvent.prototype.key;
    /** @type {?|undefined} */
    BroadcastEvent.prototype.data;
}
export class Broadcaster {
    constructor() {
        this._eventBus = new Subject();
    }
    /**
     * @param {?} key
     * @param {?=} data
     * @return {?}
     */
    broadcast(key, data) {
        this._eventBus.next({ key, data });
    }
    /**
     * @template T
     * @param {?} key
     * @return {?}
     */
    on(key) {
        return this._eventBus.asObservable()
            .filter((/**
         * @param {?} event
         * @return {?}
         */
        event => event.key === key))
            .map((/**
         * @param {?} event
         * @return {?}
         */
        event => (/** @type {?} */ (event.data))));
    }
}
Broadcaster.decorators = [
    { type: Injectable }
];
/** @nocollapse */
Broadcaster.ctorParameters = () => [];
if (false) {
    /**
     * @type {?}
     * @private
     */
    Broadcaster.prototype._eventBus;
}
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