reformattings

no redirect on tagclick on homepage
no multiple add of same tag possible

src/elements/Preview/Preview.js

@@ -1,8 +1,8 @@
-import React from "react";
-import style from "./Preview.module.css";
-import Player from "../../pages/Player/Player";
-import {Spinner} from "react-bootstrap";
-import GlobalInfos from "../../GlobalInfos";
+import React from 'react';
+import style from './Preview.module.css';
+import Player from '../../pages/Player/Player';
+import {Spinner} from 'react-bootstrap';
+import GlobalInfos from '../../GlobalInfos';
 
 /**
  * Component for single preview tile
@@ -62,7 +62,7 @@ class Preview extends React.Component {
      * handle the click event of a tile
      */
     itemClick() {
-        console.log("item clicked!" + this.state.name);
+        console.log('item clicked!' + this.state.name);
 
         this.props.viewbinding.changeRootElement(
             <Player

src/elements/Preview/Previw.test.js

@@ -1,7 +1,7 @@
 import React from 'react';
-import {shallow} from 'enzyme'
+import {shallow} from 'enzyme';
 
-import Preview, {TagPreview} from "./Preview";
+import Preview, {TagPreview} from './Preview';
 
 describe('<Preview/>', function () {
     it('renders without crashing ', function () {
@@ -23,7 +23,7 @@ describe('<Preview/>', function () {
         wrapper.setProps({
             viewbinding: {
                 changeRootElement: () => {
-                    func()
+                    func();
                 }
             }
         });
@@ -38,7 +38,7 @@ describe('<Preview/>', function () {
         const mockSuccessResponse = 'testsrc';
         const mockJsonPromise = Promise.resolve(mockSuccessResponse);
         const mockFetchPromise = Promise.resolve({
-            text: () => mockJsonPromise,
+            text: () => mockJsonPromise
         });
         global.fetch = jest.fn().mockImplementation(() => mockFetchPromise);
 
@@ -49,7 +49,7 @@ describe('<Preview/>', function () {
 
         process.nextTick(() => {
             // received picture should be rendered into wrapper
-            expect(wrapper.find(".previewimage").props().src).not.toBeNull();
+            expect(wrapper.find('.previewimage').props().src).not.toBeNull();
 
             global.fetch.mockClear();
             done();
@@ -61,7 +61,7 @@ describe('<Preview/>', function () {
         const wrapper = shallow(<Preview/>);
 
         // expect load animation to be visible
-        expect(wrapper.find(".loadAnimation")).toHaveLength(1);
+        expect(wrapper.find('.loadAnimation')).toHaveLength(1);
     });
 });
 
@@ -84,7 +84,7 @@ describe('<TagPreview/>', function () {
         const wrapper = shallow(<TagPreview/>);
         wrapper.setProps({
             categorybinding: () => {
-                func()
+                func();
             }
         });