refactor: Dashboard.js, README.md

Author: xidedix

README.md

@@ -15,7 +15,8 @@ CoreUI is meant to be the UX game changer. Pure & transparent code is devoid of
 * [Versions](#versions)
 * [CoreUI Pro](#coreui-pro)
 * [Installation](#installation)
-* [Usage](#usage)
+* [Create React App](#create-react-app)
+* [Usage](#basic-usage)
 * [What's included](#whats-included)
 * [Documentation](#documentation)
 * [Contributing](#contributing)
@@ -85,19 +86,19 @@ Within the download you'll find the following directories and files, logically g
 
 ```
 CoreUI-React#v2.0.0
-├── public/      (static files)
-│   ├── assets/  (assets)
-│   └── index.html (html temlpate)
+├── public/          #static files
+│   ├── assets/      #assets
+│   └── index.html   #html temlpate
 │
-├── src/             (project root)
-│   ├── containers/  (container source)
-│   ├── scss/        (scss/css source)
-│   ├── views/       (views source)
+├── src/             #project root
+│   ├── containers/  #container source
+│   ├── scss/        #user scss/css source
+│   ├── views/       #views source
 │   ├── App.js
 │   ├── App.test.js
 │   ├── index.js
-│   ├── _nav.js      (sidebar config)
-│   └── routes.js    (routes config)
+│   ├── _nav.js      #sidebar config
+│   └── routes.js    #routes config
 │
 └── package.json
 ```
@@ -121,12 +122,10 @@ See [the Releases section of our project](https://github.com/mrholek/CoreUI-Reac
 ## Creators
 
 **Łukasz Holeczek**
-
 * <https://twitter.com/lukaszholeczek>
 * <https://github.com/mrholek>
 
 **Andrzej Kopański**
-
 * <https://github.com/xidedix>
 
 ## Community

src/views/Dashboard/Dashboard.js

@@ -336,11 +336,11 @@ const sparklineChartOpts = {
 // convert Hex to RGBA
 function convertHex(hex, opacity) {
   hex = hex.replace('#', '');
-  var r = parseInt(hex.substring(0, 2), 16);
-  var g = parseInt(hex.substring(2, 4), 16);
-  var b = parseInt(hex.substring(4, 6), 16);
+  const r = parseInt(hex.substring(0, 2), 16);
+  const g = parseInt(hex.substring(2, 4), 16);
+  const b = parseInt(hex.substring(4, 6), 16);
 
-  var result = 'rgba(' + r + ',' + g + ',' + b + ',' + opacity / 100 + ')';
+  const result = 'rgba(' + r + ',' + g + ',' + b + ',' + opacity / 100 + ')';
   return result;
 }
 
@@ -349,12 +349,12 @@ function random(min, max) {
   return Math.floor(Math.random() * (max - min + 1) + min);
 }
 
-var elements = 27;
+const elements = 27;
 var data1 = [];
 var data2 = [];
 var data3 = [];
 
-for (var i = 0; i <= elements; i++) {
+for (let i = 0; i <= elements; i++) {
   data1.push(random(50, 200));
   data2.push(random(80, 100));
   data3.push(65);
@@ -457,8 +457,7 @@ class Dashboard extends Component {
             <Card className="text-white bg-primary">
               <CardBody className="pb-0">
                 <ButtonGroup className="float-right">
-                  <ButtonDropdown id='card1' isOpen={this.state.card1}
-                                  toggle={() => { this.setState({ card1: !this.state.card1 }); }}>
+                  <ButtonDropdown id='card1' isOpen={this.state.card1} toggle={() => { this.setState({ card1: !this.state.card1 }); }}>
                     <DropdownToggle caret className="p-0" color="transparent">
                       <i className="icon-settings"></i>
                     </DropdownToggle>
@@ -483,8 +482,7 @@ class Dashboard extends Component {
             <Card className="text-white bg-info">
               <CardBody className="pb-0">
                 <ButtonGroup className="float-right">
-                  <Dropdown id='card2' isOpen={this.state.card2}
-                            toggle={() => { this.setState({ card2: !this.state.card2 }); }}>
+                  <Dropdown id='card2' isOpen={this.state.card2} toggle={() => { this.setState({ card2: !this.state.card2 }); }}>
                     <DropdownToggle className="p-0" color="transparent">
                       <i className="icon-location-pin"></i>
                     </DropdownToggle>
@@ -508,8 +506,7 @@ class Dashboard extends Component {
             <Card className="text-white bg-warning">
               <CardBody className="pb-0">
                 <ButtonGroup className="float-right">
-                  <Dropdown id='card3' isOpen={this.state.card3}
-                            toggle={() => { this.setState({ card3: !this.state.card3 }); }}>
+                  <Dropdown id='card3' isOpen={this.state.card3} toggle={() => { this.setState({ card3: !this.state.card3 }); }}>
                     <DropdownToggle caret className="p-0" color="transparent">
                       <i className="icon-settings"></i>
                     </DropdownToggle>
@@ -533,8 +530,7 @@ class Dashboard extends Component {
             <Card className="text-white bg-danger">
               <CardBody className="pb-0">
                 <ButtonGroup className="float-right">
-                  <ButtonDropdown id='card4' isOpen={this.state.card4}
-                                  toggle={() => { this.setState({ card4: !this.state.card4 }); }}>
+                  <ButtonDropdown id='card4' isOpen={this.state.card4} toggle={() => { this.setState({ card4: !this.state.card4 }); }}>
                     <DropdownToggle caret className="p-0" color="transparent">
                       <i className="icon-settings"></i>
                     </DropdownToggle>