refactor(core): rename core pkg dir to core

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

@@ -0,0 +1,28 @@
+import type { FunctionalComponent } from 'vue'
+import SmoothStepEdge from './SmoothStepEdge'
+import type { EdgeProps } from '~/types'
+
+const StepEdge: FunctionalComponent<EdgeProps> = function (props) {
+  return h(SmoothStepEdge, { ...props, borderRadius: 0 })
+}
+
+StepEdge.props = [
+  'sourcePosition',
+  'targetPosition',
+  'label',
+  'labelStyle',
+  'labelShowBg',
+  'labelBgStyle',
+  'labelBgPadding',
+  'labelBgBorderRadius',
+  'sourceY',
+  'sourceX',
+  'targetX',
+  'targetY',
+  'markerEnd',
+  'markerStart',
+  'style',
+]
+StepEdge.inheritAttrs = false
+
+export default StepEdge