Adding event logger

04-main-server.bat

@@ -1 +1 @@
-node .\dist\lib\cli\runNopeBackend.js -c io-server -l info -s
+node .\dist\lib\cli\ioServer.js

10-compile-browser.bat

@@ -0,0 +1,7 @@
+set DIR=%~dp0
+cd "%DIR%"
+
+call npx webpack -c .\webpack-typescript.config.js
+
+cd build
+xcopy * ..\..\nope-browser\

lib/logger/eventLogging.ts

@@ -0,0 +1,142 @@
+/**
+ * @author Martin Karkowski
+ * @email m.karkowski@zema.de
+ * @create date 2021-05-21 16:44:59
+ * @modify date 2021-07-29 16:06:13
+ * @desc [description]
+ */
+
+import { EventEmitter } from "events";
+import { getSingleton } from "../helpers/singletonMethod";
+import { getCentralNopeLogger } from "./getLogger";
+import { LoggerLevel } from "./nopeLogger";
+
+export type TCallback = (name: string, msg: string) => void;
+export type TCallbackWithLevel = (level: LoggerLevel, name: string, msg: string) => void;
+
+
+export class LoggerAsEventEmitter {
+
+  constructor(protected _emitter = new EventEmitter()) {
+    this._emitter = new EventEmitter();
+  }
+
+  /**
+   * Register a Callback for All Log Messages
+   *
+   * @author M.Karkowski
+   * @param {TCallbackWithLevel} callback The callback to use.
+   * @memberof LoggerAsEventEmitter
+   */
+  onLog(callback: TCallbackWithLevel): void {
+    this._emitter.on("log", callback);
+  }
+
+  /**
+   * Register a Callback for debug messages
+   *
+   * @author M.Karkowski
+   * @param {TCallback} callback The callback to use
+   * @memberof LoggerAsEventEmitter
+   */
+  onDebug(callback: TCallback): void {
+    this._emitter.on("log.debug", callback);
+  }
+
+  /**
+   * Register a Callback for info messages
+   *
+   * @author M.Karkowski
+   * @param {TCallback} callback The callback to use
+   * @memberof LoggerAsEventEmitter
+   */
+  onInfo(callback: TCallback): void {
+    this._emitter.on("log.info", callback);
+  }
+
+  /**
+   * Register a Callback for warn messages
+   *
+   * @author M.Karkowski
+   * @param {TCallback} callback The callback to use
+   * @memberof LoggerAsEventEmitter
+   */
+  onWarn(callback: TCallback): void {
+    this._emitter.on("log.warn", callback);
+  }
+
+  /**
+   * Register a Callback for error messages
+   *
+   * @author M.Karkowski
+   * @param {TCallback} callback The callback to use
+   * @memberof LoggerAsEventEmitter
+   */
+  onError(callback: TCallback): void {
+    this._emitter.on("log.error", callback);
+  }
+
+  /**
+   * Emits a logging message.
+   *
+   * @author M.Karkowski
+   * @param {LoggerLevel} level The logging level
+   * @param {string} name Name of the Logger.
+   * @param {string} msg Message
+   * @memberof LoggerAsEventEmitter
+   */
+  emit(level: LoggerLevel, name: string, msg: string): void {
+    switch (level) {
+      case "debug":
+        this._emitter.emit("log.debug", name, msg);
+      // eslint-disable-next-line no-fallthrough
+      case "info":
+        this._emitter.emit("log.info", name, msg);
+      // eslint-disable-next-line no-fallthrough
+      case "warn":
+        this._emitter.emit("log.warn", name, msg);
+      // eslint-disable-next-line no-fallthrough
+      case "error":
+        this._emitter.emit("log.error", name, msg);
+      // eslint-disable-next-line no-fallthrough
+      default:
+        this._emitter.emit("log", level, name, msg);
+    }
+  }
+
+}
+
+export function getLogerAsEventEmitter(): LoggerAsEventEmitter {
+  const res = getSingleton("nope.logger.event", () => {
+    return new LoggerAsEventEmitter();
+  });
+  return res.instance;
+}
+
+/**
+ * Function to use a log file instead of the console log.
+ *
+ * @export
+ */
+export function useEventLogger(): void {
+  const logger = getCentralNopeLogger();
+
+  const res = getSingleton("nope.logger.event", () => {
+    return new LoggerAsEventEmitter();
+  });
+  const emitter = res.instance;
+
+  logger.setHandler((msg, context) => {
+    const msgs: string[] = [];
+
+    // Change the msg to an string based Object.
+    for (const key in msg) {
+      msgs.push(msg[key].toString());
+    }
+
+    emitter.emit(context.level.name.toLowerCase(), context.name, msgs.join(" "));
+  });
+
+
+  return emitter;
+}

lib/logger/index.browser.ts

@@ -2,10 +2,12 @@
  * @author Martin Karkowski
  * @email m.karkowski@zema.de
  * @create date 2021-08-27 19:57:08
- * @modify date 2021-08-27 19:57:08
+ * @modify date 2021-09-05 09:31:19
  * @desc [description]
  */
 
+export { getLogerAsEventEmitter, TCallback, TCallbackWithLevel, useEventLogger } from "./eventLogging";
 export { getCentralNopeLogger, getNopeLogger } from "./getLogger";
-export { LoggerLevels } from "./nopeLogger";
+export { LoggerLevel, LoggerLevels } from "./nopeLogger";
 export { setGlobalLoggerLevel } from "./setGlobalLoggerLevel";
+