refactor(core,edges): make label coords optional

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

packages/core/src/components/Edges/BaseEdge.ts

@@ -1,3 +1,4 @@
+import { isNumber } from '@vueuse/core'
 import type { FunctionalComponent } from 'vue'
 import EdgeText from './EdgeText.vue'
 import type { BaseEdgeProps } from '~/types'
@@ -39,7 +40,7 @@ const BaseEdge: FunctionalComponent<BaseEdgeProps> = function (
           'stroke-width': interactionWidth,
         })
       : null,
-    label
+    label && isNumber(labelX) && isNumber(labelY)
       ? h(EdgeText, {
           x: labelX,
           y: labelY,

packages/core/src/types/edge.ts

@@ -156,8 +156,8 @@ export interface SmoothStepEdgeProps<Data = ElementData, CustomEvents = {}> exte
 }
 
 export interface BaseEdgeProps {
-  labelX: number
-  labelY: number
+  labelX?: number
+  labelY?: number
   path: string
   label?: any
   labelStyle?: any