first commit

public/assets/parchment/src/error.ts

@@ -0,0 +1,12 @@
+export default class ParchmentError extends Error {
+  public message: string;
+  public name: string;
+  public stack!: string;
+
+  constructor(message: string) {
+    message = '[Parchment] ' + message;
+    super(message);
+    this.message = message;
+    this.name = this.constructor.name;
+  }
+}