feat(accordion): add config file for accordion component

* feat(karma config for saucelabs testing)

* revert changes

* feat(accordion): add config file for accordion component

src/accordion/accordion.component.ts

@@ -1,5 +1,6 @@
 import { Component, HostBinding, Input } from '@angular/core';
 import { AccordionPanelComponent } from './accordion-group.component';
+import { AccordionConfig } from './accordion.config';
 
 @Component({
   selector: 'accordion',
@@ -15,6 +16,10 @@ export class AccordionComponent {
 
   protected groups:AccordionPanelComponent[] = [];
 
+  public constructor(config: AccordionConfig) {
+    Object.assign(this, config);
+  }
+
   public closeOtherPanels(openGroup:AccordionPanelComponent):void {
     if (!this.closeOthers) {
       return;

src/accordion/accordion.config.ts

@@ -0,0 +1,6 @@
+import { Injectable } from '@angular/core';
+
+Injectable();
+export class AccordionConfig {
+  public closeOthers: Boolean = false;
+}

src/accordion/accordion.module.ts

@@ -4,12 +4,13 @@ import { NgModule, ModuleWithProviders } from '@angular/core';
 import { CollapseModule } from '../collapse/collapse.module';
 import { AccordionPanelComponent } from './accordion-group.component';
 import { AccordionComponent } from './accordion.component';
+import { AccordionConfig } from './accordion.config';
 
 @NgModule({
   imports: [CommonModule, CollapseModule],
   declarations: [AccordionComponent, AccordionPanelComponent],
   exports: [AccordionComponent, AccordionPanelComponent]
 })
 export class AccordionModule {
-  public static forRoot(): ModuleWithProviders {return {ngModule: AccordionModule, providers: []};}
+  public static forRoot(): ModuleWithProviders {return {ngModule: AccordionModule, providers: [AccordionConfig]};}
 }

src/accordion/index.ts

@@ -1,3 +1,4 @@
 export { AccordionPanelComponent } from './accordion-group.component';
 export { AccordionComponent } from './accordion.component';
 export { AccordionModule } from './accordion.module';
+export { AccordionConfig } from './accordion.config';

src/spec/accordion.component.spec.ts

@@ -2,6 +2,7 @@ import { Component } from '@angular/core';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { AccordionModule } from '../accordion/accordion.module';
+import { AccordionConfig } from '../accordion/accordion.config';
 
 const html = `
   <accordion [closeOthers]="oneAtATime">
@@ -53,7 +54,7 @@ describe('Component: Accordion', () => {
   let element:any;
 
   beforeEach(() => {
-    TestBed.configureTestingModule({declarations: [TestAccordionComponent], imports: [AccordionModule]});
+    TestBed.configureTestingModule({declarations: [TestAccordionComponent], imports: [AccordionModule.forRoot()]});
     TestBed.overrideComponent(TestAccordionComponent, {set: {template: html}});
     fixture = TestBed.createComponent(TestAccordionComponent);
     context = fixture.componentInstance;
@@ -150,4 +151,8 @@ class TestAccordionComponent {
     {isOpen: false, isDisabled: false},
     {isOpen: false, isDisabled: false}
   ];
+
+  public constructor(config: AccordionConfig) {
+    Object.assign(this, config);
+  }
 }