--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Platforms/Wasm/logger.ts	Thu Mar 14 19:04:35 2019 +0100
@@ -0,0 +1,90 @@
+export enum LogSource {
+  Cpp,
+  Typescript
+}
+
+export class StandardConsoleLogger {
+  public showSource: boolean = true;
+
+  public debug(...args: any[]): void {
+    this._debug(LogSource.Typescript, ...args);
+  }
+
+  public info(...args: any[]): void {
+    this._info(LogSource.Typescript, ...args);
+  }
+
+  public infoFromCpp(message: string): void {
+    this._info(LogSource.Cpp, message);
+  }
+
+  public warning(...args: any[]): void {
+    this._warning(LogSource.Typescript, ...args);
+  }
+
+  public error(...args: any[]): void {
+    this._error(LogSource.Typescript, ...args);
+  }
+
+  public errorFromCpp(message: string): void {
+    this._error(LogSource.Cpp, message);
+  }
+
+  public _debug(source: LogSource, ...args: any[]): void {
+    var output = this.getOutput(source, args);
+    console.debug(...output);
+  }
+
+  private _info(source: LogSource, ...args: any[]): void {
+    var output = this.getOutput(source, args);
+    console.info(...output);
+  }
+
+  public _warning(source: LogSource, ...args: any[]): void {
+    var output = this.getOutput(source, args);
+    console.warn(...output);
+  }
+
+  public _error(source: LogSource, ...args: any[]): void {
+    var output = this.getOutput(source, args);
+    console.error(...output);
+  }
+
+
+  private getOutput(source: LogSource, args: any[]): any[] {
+    var prefix = this.getPrefix();
+    var prefixAndSource = [];
+
+    if (prefix != null) {
+      prefixAndSource = [prefix];
+    } 
+
+    if (this.showSource) {
+      if (source == LogSource.Typescript) {
+        prefixAndSource = [...prefixAndSource, "TS "];
+      } else if (source == LogSource.Cpp) {
+        prefixAndSource = [...prefixAndSource, "C++"];
+      }
+    }
+
+    if (prefixAndSource.length > 0) {
+      prefixAndSource = [...prefixAndSource, "|"];
+    }
+
+    return [...prefixAndSource, ...args];
+  }
+
+  protected getPrefix(): string {
+    return null;
+  }
+}
+
+export class TimeConsoleLogger extends StandardConsoleLogger {
+  protected getPrefix(): string {
+    let now = new Date();
+    let timeString = now.getHours().toString().padStart(2, "0") + ":" + now.getMinutes().toString().padStart(2, "0") + ":" + now.getSeconds().toString().padStart(2, "0") + "." + now.getMilliseconds().toString().padStart(3, "0");
+    return timeString;
+  }
+}
+
+export var defaultLogger: StandardConsoleLogger = new TimeConsoleLogger();