fix(core): use correct handlesuffix in getHandleConnections (#1880)

* fix(core): use correct handlesuffix in `getHandleConnections`

Signed-off-by: braks <[email protected]>

* chore(changeset): add

---------

Signed-off-by: braks <[email protected]>

Author: bcakmakoglu

.changeset/twelve-olives-fly.md

@@ -0,0 +1,5 @@
+---
+"@vue-flow/core": patch
+---
+
+Use correct handlesuffix for connection lookup in `getHandleConnections` action.

examples/vite/src/Basic/Basic.vue

@@ -6,11 +6,14 @@ import { Background } from '@vue-flow/background'
 import { Controls } from '@vue-flow/controls'
 import { MiniMap } from '@vue-flow/minimap'
 
-const elements = ref<Elements>([
+const nodes = ref<Elements>([
   { id: '1', type: 'input', label: 'Node 1', position: { x: 250, y: 5 }, class: 'light' },
   { id: '2', label: 'Node 2', position: { x: 100, y: 100 }, class: 'light' },
   { id: '3', label: 'Node 3', position: { x: 400, y: 100 }, class: 'light' },
   { id: '4', label: 'Node 4', position: { x: 400, y: 200 }, class: 'light' },
+])
+
+const edges = ref<Elements>([
   { id: 'e1-2', source: '1', target: '2', animated: true },
   { id: 'e1-3', source: '1', target: '3' },
 ])
@@ -23,7 +26,7 @@ const { onConnect, addEdges, setViewport, toObject } = useVueFlow({
 onConnect(addEdges)
 
 function updatePos() {
-  return elements.value.forEach((el) => {
+  return nodes.value.forEach((el) => {
     if (isNode(el)) {
       el.position = {
         x: Math.random() * 400,
@@ -40,20 +43,34 @@ function resetViewport() {
   return setViewport({ x: 0, y: 0, zoom: 1 })
 }
 function toggleclass() {
-  return elements.value.forEach((el) => (el.class = el.class === 'light' ? 'dark' : 'light'))
+  return nodes.value.forEach((el) => (el.class = el.class === 'light' ? 'dark' : 'light'))
 }
 </script>
 
 <template>
-  <VueFlow v-model="elements" fit-view-on-init class="vue-flow-basic-example">
+  <VueFlow
+    :nodes="nodes"
+    :edges="edges"
+    :delete-key-code="['Backspace', 'Delete']"
+    fit-view-on-init
+    class="vue-flow-basic-example"
+  >
     <Background />
-    <MiniMap />
+    <MiniMap node-color="red" :nodes="nodes" :edges="edges" />
     <Controls />
     <Panel position="top-right" style="display: flex; gap: 5px">
+      <input />
       <button @click="resetViewport">reset viewport</button>
       <button @click="updatePos">change pos</button>
       <button @click="toggleclass">toggle class</button>
       <button @click="logToObject">toObject</button>
     </Panel>
   </VueFlow>
 </template>
+
+<style>
+.vue-flow__minimap {
+  transform: scale(75%);
+  transform-origin: bottom right;
+}
+</style>

packages/core/src/store/actions.ts

@@ -73,7 +73,8 @@ export function useActions(state: State, nodeLookup: ComputedRef<NodeLookup>, ed
   }
 
   const getHandleConnections: Actions['getHandleConnections'] = ({ id, type, nodeId }) => {
-    return Array.from(state.connectionLookup.get(`${nodeId}-${type}-${id ?? null}`)?.values() ?? [])
+    const handleSuffix = id ? `-${type}-${id}` : `-${type}`
+    return Array.from(state.connectionLookup.get(`${nodeId}${handleSuffix}`)?.values() ?? [])
   }
 
   const findNode: Actions['findNode'] = (id) => {