refactor(edge-types-example): cleanup

example/src/EdgeTypes/index.js

@@ -1,39 +1,23 @@
+/**
+ * Example for checking the different edge types and source and target positions
+ */
 import React, { useState } from 'react';
 
-import ReactFlow, { removeElements, addEdge, MiniMap, isNode, Controls, Background } from 'react-flow-renderer';
+import ReactFlow, { removeElements, addEdge, MiniMap, Controls, Background } from 'react-flow-renderer';
 import { getElements } from './utils';
 
 const onLoad = (reactFlowInstance) => {
   reactFlowInstance.fitView();
-
   console.log(reactFlowInstance.getElements());
 };
 
-const initialElements = getElements(10, 10);
+const initialElements = getElements();
 
 const EdgeTypesFlow = () => {
   const [elements, setElements] = useState(initialElements);
   const onElementsRemove = (elementsToRemove) => setElements((els) => removeElements(elementsToRemove, els));
   const onConnect = (params) => setElements((els) => addEdge(params, els));
 
-  const updatePos = () => {
-    setElements((elms) => {
-      return elms.map((el) => {
-        if (isNode(el)) {
-          return {
-            ...el,
-            position: {
-              x: Math.random() * window.innerWidth,
-              y: Math.random() * window.innerHeight,
-            },
-          };
-        }
-
-        return el;
-      });
-    });
-  };
-
   return (
     <ReactFlow
       elements={elements}
@@ -45,10 +29,6 @@ const EdgeTypesFlow = () => {
       <MiniMap />
       <Controls />
       <Background />
-
-      <button onClick={updatePos} style={{ position: 'absolute', right: 10, top: 30, zIndex: 4 }}>
-        change pos
-      </button>
     </ReactFlow>
   );
 };