Initial auth library commmit

lib/middleware/errorHandler.ts

@@ -0,0 +1,13 @@
+import { StatusCodes } from "http-status-codes";
+import { Context, Next } from "koa";
+
+export const errorHandler = async (ctx: Context, next: Next) => {
+    try {
+        await next();
+    } catch (error: any) {
+        ctx.status = error.statusCode || error.status || StatusCodes.INTERNAL_SERVER_ERROR;
+        error.status = ctx.status;
+        ctx.body = { error };
+        ctx.app.emit('error', error, ctx);
+    }
+};