feat(svelte): add isValidConnection prop, cleanup handle classes

packages/svelte/src/lib/container/SvelteFlow/SvelteFlow.svelte

@@ -27,7 +27,9 @@
   export let selectionKey: $$Props['selectionKey'] = undefined;
   export let deleteKey: $$Props['deleteKey'] = undefined;
   export let connectionRadius: $$Props['connectionRadius'] = undefined;
-  export let connectionLineType: $$Props['connectionLineType'] = undefined
+  export let connectionLineType: $$Props['connectionLineType'] = undefined;
+  export let isValidConnection: $$Props['isValidConnection'] = undefined;
+
   export let style: $$Props['style'] = undefined;
   let className: $$Props['class'] = undefined;
   export { className as class };
@@ -52,6 +54,7 @@
       id,
       connectionLineType,
       connectionRadius,
+      isValidConnection
     };
 
     Object.keys(updatableProps).forEach(prop => {

packages/svelte/src/lib/container/SvelteFlow/types.ts

@@ -6,9 +6,14 @@ import type {
   Viewport
 } from '@reactflow/system';
 
-import type { Edge, Node, NodeTypes, KeyDefinition, EdgeTypes } from '$lib/types';
-import type { Writable } from 'svelte/store';
-import type { createNodes } from '$lib/utils';
+import type {
+  Edge,
+  Node,
+  NodeTypes,
+  KeyDefinition,
+  EdgeTypes,
+  IsValidConnection
+} from '$lib/types';
 
 export type SvelteFlowProps = {
   id?: string;
@@ -27,6 +32,7 @@ export type SvelteFlowProps = {
   style?: string;
 
   connectionLineType?: ConnectionLineType;
+  isValidConnection?: IsValidConnection;
 };
 
 export type SvelteFlowEvents = {