started to convert to typescript

back/system/Logger.ts

@@ -3,19 +3,19 @@ class Logger {
 
     }
 
-    log(content) {
-        console.log(this._prefix("log"), content);
+    log(...content): void {
+        // console.log(this._prefix("log"), content);
     }
 
-    warn(content) {
-        console.warn(this._prefix("warn"), content);
+    warn(...content): void {
+        // console.warn(this._prefix("warn"), content);
     }
 
-    error(content) {
-        console.error(this._prefix("err"), content);
+    error(...content): void {
+        // console.error(this._prefix("err"), content);
     }
 
-    _prefix(type) {
+    _prefix(type: string): string {
         let typeStr = "";
         switch (type) {
             case "log":
@@ -39,7 +39,4 @@ class Logger {
 }
 
 const logger = new Logger();
-
-module.exports = {
-    logger,
-}
+export default logger;