feat(panzoom): add paneClickDistance prop

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

@@ -79,6 +79,7 @@
   export let onbeforedelete: $$Props['onbeforedelete'] = undefined;
   export let oninit: $$Props['oninit'] = undefined;
   export let nodeOrigin: $$Props['nodeOrigin'] = undefined;
+  export let paneClickDistance: $$Props['paneClickDistance'] = 0;
 
   export let defaultMarkerColor = '#b1b1b7';
 
@@ -125,7 +126,8 @@
       edgeTypes,
       minZoom,
       maxZoom,
-      translateExtent
+      translateExtent,
+      paneClickDistance
     });
 
     return () => {
@@ -188,7 +190,8 @@
     edgeTypes,
     minZoom,
     maxZoom,
-    translateExtent
+    translateExtent,
+    paneClickDistance
   });
 
   $: colorModeClass = useColorModeClass(colorMode);
@@ -225,6 +228,7 @@
     zoomOnPinch={zoomOnPinch === undefined ? true : zoomOnPinch}
     panOnScroll={panOnScroll === undefined ? false : panOnScroll}
     panOnDrag={panOnDrag === undefined ? true : panOnDrag}
+    paneClickDistance={paneClickDistance === undefined ? 0 : paneClickDistance}
   >
     <Pane
       on:paneclick

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

@@ -134,6 +134,10 @@ export type SvelteFlowProps = DOMAttributes<HTMLDivElement> & {
    * @default 1
    */
   nodeDragThreshold?: number;
+  /** Distance that the mouse can move between mousedown/up that will trigger a click
+   * @default 0
+   */
+  paneClickDistance?: number;
   /** Minimum zoom level
    * @default 0.5
    */

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

@@ -1,7 +1,8 @@
+import type { Writable } from 'svelte/store';
+import type { CoordinateExtent } from '@xyflow/system';
+
 import type { SvelteFlowStore } from '$lib/store/types';
 import type { EdgeTypes, NodeTypes } from '$lib/types';
-import type { CoordinateExtent } from '@xyflow/system';
-import type { Writable } from 'svelte/store';
 
 // this is helper function for updating the store
 // for props where we need to call a specific store action
@@ -12,13 +13,15 @@ export function updateStore(
     edgeTypes,
     minZoom,
     maxZoom,
-    translateExtent
+    translateExtent,
+    paneClickDistance
   }: {
     nodeTypes?: NodeTypes;
     edgeTypes?: EdgeTypes;
     minZoom?: number;
     maxZoom?: number;
     translateExtent?: CoordinateExtent;
+    paneClickDistance?: number;
   }
 ) {
   if (nodeTypes !== undefined) {
@@ -40,6 +43,10 @@ export function updateStore(
   if (translateExtent !== undefined) {
     store.setTranslateExtent(translateExtent);
   }
+
+  if (paneClickDistance !== undefined) {
+    store.setPaneClickDistance(paneClickDistance);
+  }
 }
 
 const getKeys = <T extends object>(obj: T) => Object.keys(obj) as Array<keyof T>;

packages/svelte/src/lib/container/Zoom/Zoom.svelte

@@ -19,6 +19,7 @@
   export let zoomOnPinch: $$Props['zoomOnPinch'];
   export let panOnDrag: $$Props['panOnDrag'];
   export let panOnScroll: $$Props['panOnScroll'];
+  export let paneClickDistance: $$Props['paneClickDistance'];
 
   const {
     viewport,
@@ -68,7 +69,8 @@
     noWheelClassName: 'nowheel',
     userSelectionActive: !!$selectionRect,
     translateExtent: $translateExtent,
-    lib: $lib
+    lib: $lib,
+    paneClickDistance
   }}
 >
   <slot />

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

@@ -12,4 +12,5 @@ export type ZoomProps = {
   zoomOnPinch: boolean;
   panOnScroll: boolean;
   panOnDrag: boolean | number[];
+  paneClickDistance: number;
 };