Allow Config.setup() to be called without options

Author: Lee Richmond

src/configuration.ts

@@ -4,12 +4,16 @@ import Model from './model';
 import Attribute from './attribute';
 import Logger from './logger';
 
+let ctx = this;
+
 export default class Config {
   static models: Array<typeof Model> = [];
   static typeMapping: Object = {};
   static logger: Logger = new Logger();
 
-  static setup(options : Object) : void {
+  static setup(options? : Object) : void {
+    if (!options) options = {};
+
     for (let model of this.models) {
       this.typeMapping[model.jsonapiType] = model;
 

test/unit/configuration-test.ts

@@ -2,6 +2,15 @@ import { expect, sinon } from '../test-helper';
 import { Config } from '../../src/index';
 import { Author } from '../fixtures';
 
+describe('#setup()', function() {
+  it('can be called without options', function() {
+    let setup = function() {
+      Config.setup();
+    }
+    expect(setup).to.not.throw();
+  });
+});
+
 describe('#modelForType', function() {
   it('returns the relevant class for jsonapiType', function() {
     expect(Config.modelForType('authors')).to.eq(Author);