From 5fccd080c76f26c73d13df6e600356a08f5f95b4 Mon Sep 17 00:00:00 2001
From: dcodeIO <dcode@dcode.io>
Date: Mon, 12 Nov 2018 09:11:45 +0100
Subject: [PATCH] Improve std Error compatibility

---
 std/assembly/error.ts | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/std/assembly/error.ts b/std/assembly/error.ts
index f6e2f574..4e40a15f 100644
--- a/std/assembly/error.ts
+++ b/std/assembly/error.ts
@@ -1,12 +1,31 @@
 export class Error {
 
+  name: string = "Error";
   message: string;
   stack: string = ""; // TODO
 
   constructor(message: string = "") {
     this.message = message;
   }
+
+  toString(): string {
+    var message = this.message;
+    return message.length
+      ? this.name + ": " + message
+      : this.name;
+  }
 }
 
-export class RangeError extends Error {}
-export class TypeError extends Error {}
+export class RangeError extends Error {
+  constructor(message: string = "") {
+    super(message);
+    this.name = "RangeError";
+  }
+}
+
+export class TypeError extends Error {
+  constructor(message: string = "") {
+    super(message);
+    this.name = "TypeError";
+  }
+}