add events + betters stubs

src/listener-rss.ts

@@ -1,9 +1,14 @@
 import Parser from "rss-parser/index";
 import { ListenerRSSInfos as ListenerInfo } from "./Models/ListenerRSSInfos";
+import EventEmitter from "events";
 
 const DEFAULT_TIMELOOP: number = 5 * 60; // default timeloop is 5 min
 
-export class ListenerRss {
+/**
+ * Emit 'update' when he's making a fetch during the start fun
+ * Emit 'update_err' when the fetch has an issue
+ */
+export class ListenerRss extends EventEmitter {
   name: string = "";
   address: string = "";
   timeloop: number = DEFAULT_TIMELOOP; // time in seconds
@@ -18,6 +23,8 @@ export class ListenerRss {
    * @param config ListenerRSSInfos interface who's contain the ListenerInfos
    */
   constructor(config: ListenerInfo) {
+    super();
+
     this.setData(config);
     this.setParser();
   }
@@ -70,18 +77,13 @@ export class ListenerRss {
    * @brief call the callback function each looptime
    * @param callback function who's going to be called with the latest get
    */
-  start(
-    callback: (
-      obj: { [key: string]: any } | undefined,
-      err: Error | undefined
-    ) => void
-  ): void {
+  start(): void {
     this.loopRunning = true;
 
     const fun: () => void = () => {
       this.fetchRSS()
-        .then((obj: { [key: string]: any }) => callback(obj, undefined))
-        .catch((err) => callback(undefined, err));
+        .then((obj: { [key: string]: any }) => this.emit("update", obj))
+        .catch((err) => this.emit("update_err", err));
     };
 
     (async () => {