refactor: refactor and clean code (#54)

* chore: remove commented out code

* fix: remove unused state

* refactor: extract code to function

* chore: remove todo

* chore: remove unused imports

* chore: remove commented out code

* fix: react component names uppercase

* fix: comparing to a new constructed object

playwright.config.js

@@ -1,12 +1,6 @@
 // @ts-check
 const { defineConfig, devices } = require('@playwright/test');
 
-/**
- * Read environment variables from file.
- * https://github.com/motdotla/dotenv
- */
-// require('dotenv').config();
-
 /**
  * @see https://playwright.dev/docs/test-configuration
  */

src/App.js

@@ -3,12 +3,10 @@ import "./styles.css";
 import DiagramEditor from "./components/DiagramEditor/DiagramEditor";
 
 export default function App() {
-    const [data, setData] = React.useState(null);
-
     return (
         <div className="App">
             <div className="container">
-                <DiagramEditor data={data} />
+                <DiagramEditor />
             </div>
         </div>
     );