update(examples): Add switch example

examples/Switch/SwitchExample.vue

@@ -0,0 +1,47 @@
+<script lang="ts" setup>
+import Flow, { removeElements, addEdge, Node, FlowElement, Elements, Connection, Edge } from '~/index'
+
+const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node)
+const onElementClick = (_: MouseEvent, element: FlowElement) => console.log('click', element)
+
+const elementsA: Elements = [
+  { id: '1a', type: 'input', data: { label: 'Node 1' }, position: { x: 250, y: 5 }, className: 'light' },
+  { id: '2a', data: { label: 'Node 2' }, position: { x: 100, y: 100 }, className: 'light' },
+  { id: '3a', data: { label: 'Node 3' }, position: { x: 400, y: 100 }, className: 'light' },
+  { id: '4a', data: { label: 'Node 4' }, position: { x: 400, y: 200 }, className: 'light' },
+  { id: 'e1-2', source: '1a', target: '2a' },
+  { id: 'e1-3', source: '1a', target: '3a' },
+] as Elements
+
+const elementsB: Elements = [
+  { id: 'inputb', type: 'input', data: { label: 'Input' }, position: { x: 300, y: 5 }, className: 'light' },
+  { id: '1b', data: { label: 'Node 1' }, position: { x: 0, y: 100 }, className: 'light' },
+  { id: '2b', data: { label: 'Node 2' }, position: { x: 200, y: 100 }, className: 'light' },
+  { id: '3b', data: { label: 'Node 3' }, position: { x: 400, y: 100 }, className: 'light' },
+  { id: '4b', data: { label: 'Node 4' }, position: { x: 600, y: 100 }, className: 'light' },
+
+  { id: 'e1b', source: 'inputb', target: '1b' },
+  { id: 'e2b', source: 'inputb', target: '2b' },
+  { id: 'e3b', source: 'inputb', target: '3b' },
+  { id: 'e4b', source: 'inputb', target: '4b' },
+] as Elements
+
+const elements = ref(elementsA)
+
+const onConnect = (params: Connection | Edge) => (elements.value = addEdge(params, elements.value))
+const onElementsRemove = (elementsToRemove: Elements) => (elements.value = removeElements(elementsToRemove, elements.value))
+</script>
+<template>
+  <Flow
+    :elements="elements"
+    @element-click="onElementClick"
+    @elements-remove="onElementsRemove"
+    @connect="onConnect"
+    @node-drag-stop="onNodeDragStop"
+  >
+    <div :style="{ position: 'absolute', right: 10, top: 10, zIndex: 4 }">
+      <button style="margin-right: 5px" @click="() => (elements = elementsA)">flow a</button>
+      <button @click="() => (elements = elementsB)">flow b</button>
+    </div>
+  </Flow>
+</template>

examples/router.ts

@@ -77,6 +77,10 @@ export const routes: RouterOptions['routes'] = [
     path: '/stress',
     component: () => import('./Stress/StressExample.vue'),
   },
+  {
+    path: '/switch',
+    component: () => import('./Switch/SwitchExample.vue'),
+  },
 ]
 
 export const router = createRouter({