feat: use v-html for node labels
* add span tag as wrapper for node labels feat(examples): * Add overview example
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Braks
45
examples/NodeTypeChange/NodeTypeChangeExample.vue
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45
examples/NodeTypeChange/NodeTypeChangeExample.vue
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<script lang="ts" setup>
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import { CSSProperties } from 'vue'
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import Flow, { addEdge, Connection, Elements, OnLoadParams, Position, Edge, isEdge } from '~/index'
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const onLoad = (reactFlowInstance: OnLoadParams) => reactFlowInstance.fitView()
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const initialElements: Elements = [
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{
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id: '1',
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sourcePosition: Position.Right,
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type: 'input',
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data: { label: 'Input' },
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position: { x: 0, y: 80 },
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},
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{
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id: '2',
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type: 'output',
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sourcePosition: Position.Right,
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targetPosition: Position.Left,
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data: { label: 'A Node' },
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position: { x: 250, y: 0 },
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},
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{ id: 'e1-2', source: '1', type: 'smoothstep', target: '2', animated: true },
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] as Elements
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const buttonStyle: CSSProperties = { position: 'absolute', right: 10, top: 30, zIndex: 4 }
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const elements = ref<Elements>(initialElements)
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const onConnect = (params: Connection | Edge) => (elements.value = addEdge(params, elements.value))
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const changeType = () => {
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elements.value = elements.value.map((el) => {
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if (isEdge(el) || el.type === 'input') return el
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return {
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...el,
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type: el.type === 'default' ? 'output' : 'default',
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}
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})
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}
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</script>
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<template>
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<Flow :elements="elements" @connect="onConnect" @load="onLoad">
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<button :style="buttonStyle" @click="changeType">change type</button>
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</Flow>
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</template>
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172
examples/Overview/Overview.vue
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172
examples/Overview/Overview.vue
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<script lang="ts" setup>
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import { CSSProperties } from 'vue'
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import Flow, {
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removeElements,
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addEdge,
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MiniMap,
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Controls,
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Background,
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isNode,
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Node,
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Elements,
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FlowElement,
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OnLoadParams,
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FlowTransform,
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SnapGrid,
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ArrowHeadType,
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Connection,
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Edge,
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} from '~/index'
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const onNodeDragStart = (_: MouseEvent, node: Node) => console.log('drag start', node)
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const onNodeDrag = (_: MouseEvent, node: Node) => console.log('drag', node)
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const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node)
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const onNodeDoubleClick = (_: MouseEvent, node: Node) => console.log('node double click', node)
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const onPaneClick = (event: MouseEvent) => console.log('pane click', event)
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const onPaneScroll = (event?: MouseEvent) => console.log('pane scroll', event)
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const onPaneContextMenu = (event: MouseEvent) => console.log('pane context menu', event)
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const onSelectionDrag = (_: MouseEvent, nodes: Node[]) => console.log('selection drag', nodes)
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const onSelectionDragStart = (_: MouseEvent, nodes: Node[]) => console.log('selection drag start', nodes)
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const onSelectionDragStop = (_: MouseEvent, nodes: Node[]) => console.log('selection drag stop', nodes)
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const onSelectionContextMenu = (event: MouseEvent, nodes: Node[]) => {
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event.preventDefault()
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console.log('selection context menu', nodes)
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}
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const onElementClick = (_: MouseEvent, element: FlowElement) =>
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console.log(`${isNode(element) ? 'node' : 'edge'} click:`, element)
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const onSelectionChange = (elements: Elements | null) => console.log('selection change', elements)
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const onLoad = (reactFlowInstance: OnLoadParams) => {
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console.log('flow loaded:', reactFlowInstance)
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reactFlowInstance.fitView()
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}
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const onMoveEnd = (transform?: FlowTransform) => console.log('zoom/move end', transform)
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const onEdgeContextMenu = (_: MouseEvent, edge: Edge) => console.log('edge context menu', edge)
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const onEdgeMouseEnter = (_: MouseEvent, edge: Edge) => console.log('edge mouse enter', edge)
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const onEdgeMouseMove = (_: MouseEvent, edge: Edge) => console.log('edge mouse move', edge)
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const onEdgeMouseLeave = (_: MouseEvent, edge: Edge) => console.log('edge mouse leave', edge)
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const onEdgeDoubleClick = (_: MouseEvent, edge: Edge) => console.log('edge double click', edge)
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const initialElements: Elements = [
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{
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id: '1',
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type: 'input',
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data: {
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label: 'Welcome to <strong>Vue Flow!</strong>',
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},
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position: { x: 250, y: 0 },
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},
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{
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id: '2',
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data: {
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label: 'This is a <strong>default node</strong>',
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},
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position: { x: 100, y: 100 },
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},
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{
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id: '3',
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data: {
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label: 'This one has a <strong>custom style</strong>',
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},
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position: { x: 400, y: 100 },
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style: { background: '#D6D5E6', color: '#333', border: '1px solid #222138', width: 180 },
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},
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{
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id: '4',
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position: { x: 250, y: 200 },
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data: {
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label: `You can find the docs on
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<a href="https://github.com/bcakmakoglu/vue-flow" target="_blank" rel="noopener noreferrer">
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Github
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</a>`,
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},
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},
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{
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id: '5',
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data: {
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label: 'Or check out the other <strong>examples</strong>',
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},
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position: { x: 250, y: 325 },
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},
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{
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id: '6',
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type: 'output',
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data: {
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label: 'An <strong>output node</strong>',
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},
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position: { x: 100, y: 480 },
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},
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{ id: '7', type: 'output', data: { label: 'Another output node' }, position: { x: 400, y: 450 } },
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{ id: 'e1-2', source: '1', target: '2', label: 'this is an edge label' },
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{ id: 'e1-3', source: '1', target: '3' },
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{ id: 'e3-4', source: '3', target: '4', animated: true, label: 'animated edge' },
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{ id: 'e4-5', source: '4', target: '5', arrowHeadType: ArrowHeadType.Arrow, label: 'edge with arrow head' },
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{ id: 'e5-6', source: '5', target: '6', type: 'smoothstep', label: 'smooth step edge' },
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{
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id: 'e5-7',
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source: '5',
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target: '7',
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type: 'step',
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style: { stroke: '#f6ab6c' },
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label: 'a step edge',
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animated: true,
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labelStyle: { fill: '#f6ab6c', fontWeight: 700 },
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},
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] as Elements
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const connectionLineStyle: CSSProperties = { stroke: '#ddd' }
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const snapGrid: SnapGrid = [16, 16]
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const nodeStrokeColor = (n: Node): string => {
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if (n.style?.background) return n.style.background as string
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if (n.type === 'input') return '#0041d0'
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if (n.type === 'output') return '#ff0072'
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if (n.type === 'default') return '#1a192b'
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return '#eee'
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}
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const nodeColor = (n: Node): string => {
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if (n.style?.background) return n.style.background as string
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return '#fff'
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}
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const elements = ref<Elements>(initialElements)
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const onConnect = (params: Connection | Edge) => (elements.value = addEdge(params, elements.value))
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const onElementsRemove = (elementsToRemove: Elements) => (elements.value = removeElements(elementsToRemove, elements.value))
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</script>
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<template>
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<Flow
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:elements="elements"
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:connection-line-style="connectionLineStyle"
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:snap-to-grid="true"
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:snap-grid="snapGrid"
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@element-click="onElementClick"
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@elements-remove="onElementsRemove"
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@eonnect="onConnect"
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@pane-click="onPaneClick"
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@pane-scroll="onPaneScroll"
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@pane-contex-menu="onPaneContextMenu"
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@node-drag-start="onNodeDragStart"
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@node-drag="onNodeDrag"
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@node-drag-stop="onNodeDragStop"
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@node-double-click="onNodeDoubleClick"
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@selection-drag-start="onSelectionDragStart"
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@selection-drag="onSelectionDrag"
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@selection-drag-stop="onSelectionDragStop"
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@selection-context-menu="onSelectionContextMenu"
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@selection-change="onSelectionChange"
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@move-end="onMoveEnd"
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@load="onLoad"
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@edge-context-menu="onEdgeContextMenu"
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@edge-mouse-enter="onEdgeMouseEnter"
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@edge-mouse-move="onEdgeMouseMove"
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@edge-mouse-leave="onEdgeMouseLeave"
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@edge-double-click="onEdgeDoubleClick"
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>
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<MiniMap :node-stroke-color="nodeStrokeColor" :node-color="nodeColor" :node-border-radius="2" />
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<Controls />
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<Background color="#aaa" gap="20" />
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</Flow>
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</template>
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@@ -3,7 +3,7 @@ import { createRouter, createWebHashHistory, RouterOptions } from 'vue-router'
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export const routes: RouterOptions['routes'] = [
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{
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path: '/',
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redirect: '/basic',
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redirect: '/overview',
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},
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{
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path: '/basic',
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@@ -53,6 +53,14 @@ export const routes: RouterOptions['routes'] = [
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path: '/multi-flows',
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component: () => import('./MultiFlows/MultiFlowsExample.vue'),
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},
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{
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path: '/node-type-change',
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component: () => import('./NodeTypeChange/NodeTypeChangeExample.vue'),
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},
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{
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path: '/overview',
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component: () => import('./Overview/Overview.vue'),
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},
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]
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export const router = createRouter({
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