Merge pull request #75 from Mental-FIUBA/ISSUE-74_create_new_error_type

ISSUE-74: create a new error type with code as attribute

Author: ivanalemunioz

src/Class/AfipWebService.js

@@ -1,5 +1,6 @@
 const path = require('path');
 
+
 /**
  * Base class for AFIP web services 
  **/ 

src/Class/AfipWebServiceError.js

@@ -0,0 +1,9 @@
+
+module.exports = class AfipWebServiceError extends Error {
+	code;
+
+	constructor(message, code) {
+		super(message);
+		this.code = code;
+	}
+}

src/Class/ElectronicBilling.js

@@ -1,4 +1,5 @@
 const AfipWebService = require('./AfipWebService');
+const AfipWebServiceError = require('./AfipWebServiceError');
 
 /**
  * SDK for AFIP Electronic Billing (wsfe1)
@@ -401,7 +402,7 @@ module.exports = class ElectronicBilling extends AfipWebService {
 
 		if (res.Errors) {
 			const err = Array.isArray(res.Errors.Err) ? res.Errors.Err[0] : res.Errors.Err;
-			throw new Error(`(${err.Code}) ${err.Msg}`, err.Code);
+			throw new AfipWebServiceError(`(${err.Code}) ${err.Msg}`, err.Code);
 		}
 	}
 

types/Class/AfipWebServiceError.d.ts

@@ -0,0 +1,7 @@
+export = AfipWebServiceError;
+
+declare class AfipWebServiceError extends Error {
+    code?: number;
+
+    constructor(message: string, code?: number);
+}