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refactor(core): check if starting handle exists

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This commit is contained in:
braks
2024-06-03 20:12:05 +02:00
committed by Braks
parent 688f886f9b
commit 660831cc37
1 changed files with 4 additions and 3 deletions
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7
packages/core/src/components/ConnectionLine/index.ts
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@@ -45,11 +45,11 @@ const ConnectionLine = defineComponent({
return null
}
const handleId = connectionStartHandle.value.handleId
const startHandleId = connectionStartHandle.value.handleId
const handleType = connectionStartHandle.value.type
const targetNode = (connectionEndHandle.value?.handleId && findNode(connectionEndHandle.value.nodeId)) || null
const targetNode = (connectionEndHandle.value && findNode(connectionEndHandle.value.nodeId)) || null
const toX = (connectionPosition.value.x - viewport.value.x) / viewport.value.zoom
const toY = (connectionPosition.value.y - viewport.value.y) / viewport.value.zoom
@@ -65,7 +65,7 @@ const ConnectionLine = defineComponent({
return null
}
const fromHandle = (handleId ? handleBounds.find((d) => d.id === handleId) : handleBounds[0]) ?? null
const fromHandle = (startHandleId ? handleBounds.find((d) => d.id === startHandleId) : handleBounds[0]) ?? null
const fromPosition = fromHandle?.position || Position.Top
const { x: fromX, y: fromY } = getHandlePosition(
fromPosition,
@@ -73,6 +73,7 @@ const ConnectionLine = defineComponent({
fromHandle,
)
// todo: this is a bit of a mess, we should refactor this
const toHandle =
(targetNode &&
connectionEndHandle.value?.handleId &&