{"version":3,"file":"ng-event-bus.mjs","sources":["../../../projects/ng-event-bus/src/lib/meta-data.ts","../../../projects/ng-event-bus/src/lib/ng-event-bus.ts","../../../projects/ng-event-bus/src/public-api.ts","../../../projects/ng-event-bus/src/ng-event-bus.ts"],"sourcesContent":["/* tslint:disable:variable-name */\n\n/**\n * Metadata of the messages sent through the events bus.\n *\n * @typeParam T Payload type. Defaults to `undefined` when no payload is declared.\n * @author Cristiam Mercado\n * @since 2.0.0\n * @version 11.0.0\n */\nexport class MetaData {\n /**\n * A unique identifier of the message sent through the events bus.\n * @private\n */\n private readonly _id: string;\n\n /**\n * Original key associated to the message.\n * @private\n */\n private readonly _key: string;\n\n /**\n * Payload associated with the message.\n * @private\n */\n private readonly _data: T;\n\n /**\n * Time in milliseconds in which the message was generated.\n * @private\n */\n private readonly _timestamp: number;\n\n /**\n * Constructor for this class.\n *\n * @param key Original key associated to the message sent through the events bus.\n * @param [data] Optional payload sent with the message. Its type is preserved as `T`.\n */\n constructor(key: string, data?: T) {\n this._id = this.uuid();\n this._key = key;\n this._data = data as T;\n this._timestamp = new Date().getTime();\n }\n\n /**\n * Gets unique identifier of the message sent through the events bus.\n */\n public get id(): string {\n return this._id;\n }\n\n /**\n * Original key associated to the message.\n */\n public get key(): string {\n return this._key;\n }\n\n /**\n * Gets the payload associated with the message.\n */\n public get data(): T {\n return this._data;\n }\n\n /**\n * Gets the time in milliseconds in which the message was generated.\n */\n public get timestamp(): number {\n return this._timestamp;\n }\n\n /**\n * Generates UUID version 4. The solution above uses Math.random() for brevity, however, Math.random() is not\n * guaranteed to be a high-quality RNG.\n *\n * @return UUID version 4.\n */\n private uuid(): string {\n return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c: string): string => {\n const r: number = (Math.random() * 16) | 0;\n const v: number = c === 'x' ? r : (r & 0x3) | 0x8;\n return v.toString(16);\n });\n }\n}\n","import { Observable, Subject } from 'rxjs';\nimport { filter, map } from 'rxjs/operators';\n\nimport { MetaData } from './meta-data';\nimport { IEventBusMessage } from './i-event-bus-message';\n\n/**\n * Main library class.\n *\n * @author Cristiam Mercado\n * @since 2.0.0\n * @version 11.0.0\n */\nexport class NgEventBus {\n /**\n * Main observable to multicast to all observers.\n */\n private eventBus: Subject>;\n\n /**\n * Key message separator.\n */\n private separator: string = ':';\n\n /**\n * Constructor for this class: Initializes event bus.\n */\n constructor() {\n this.eventBus = new Subject>();\n }\n\n /**\n * Validates key matching.\n *\n * @param key Key to identify the message/event.\n * @param wildcard Wildcard received from on method.\n *\n * @return true if key matches, false otherwise.\n */\n public keyMatch(key: string, wildcard: string): boolean {\n const w: string = '*';\n const ww: string = '**';\n\n const partMatch = (wl: string, k: string): boolean => wl === w || wl === k;\n\n const sep: string = this.separator;\n const kArr: string[] = key.split(sep);\n const wArr: string[] = wildcard.split(sep);\n\n const kLen: number = kArr.length;\n const wLen: number = wArr.length;\n const max: number = Math.max(kLen, wLen);\n\n for (let i: number = 0; i < max; i++) {\n const cK: string = kArr[i];\n const cW: string = wArr[i];\n\n if (cW === ww && typeof cK !== 'undefined') return true;\n\n if (!partMatch(cW, cK)) return false;\n }\n\n return true;\n }\n\n /**\n * Publish a message/event to event bus.\n *\n * @param key Key to identify the message/event.\n * @param [data] Optional payload sent with the message/event.\n * @throws {Error} key parameter must be a string and must not be empty.\n */\n public cast(key: string): void;\n public cast(key: string, data: T): void;\n public cast(key: string, data?: T): void {\n if (!key.trim().length) throw new Error('key parameter must be a string and must not be empty');\n\n const metadata: MetaData = new MetaData(key, data);\n\n this.eventBus.next({ key, metadata });\n }\n\n /**\n * Returns an observable you can subscribe to listen messages/events.\n *\n * @typeParam T Expected payload type. Defaults to `undefined` when omitted.\n * @param key Key or wildcard pattern used to identify messages/events.\n *\n * @return Observable you can subscribe to listen messages/events.\n */\n public on(key: string): Observable> {\n return this.eventBus.asObservable().pipe(\n filter((event: IEventBusMessage): boolean => this.keyMatch(event.key, key)),\n map((event: IEventBusMessage): MetaData => event.metadata as MetaData)\n );\n }\n}\n","/*\n * Public API Surface of ng-event-bus\n */\n\nexport * from './lib/ng-event-bus';\nexport * from './lib/meta-data';\nexport * from './lib/i-event-bus-message';\n","/**\n * Generated bundle index. 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