feat(svelte) add fitViewOptions, closes #3440

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

@@ -23,6 +23,7 @@
   export let nodes: $$Props['nodes'];
   export let edges: $$Props['edges'];
   export let fitView: $$Props['fitView'] = undefined;
+  export let fitViewOptions: $$Props['fitViewOptions'] = undefined;
   export let minZoom: $$Props['minZoom'] = undefined;
   export let maxZoom: $$Props['maxZoom'] = undefined;
   export let initialViewport: Viewport = { x: 0, y: 0, zoom: 1 };
@@ -79,6 +80,10 @@
       store.fitViewOnInit.set(fitView);
     }
 
+    if (fitViewOptions) {
+      store.fitViewOptions.set(fitViewOptions);
+    }
+
     updateStore(store, {
       nodeTypes,
       edgeTypes,

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

@@ -23,7 +23,8 @@ import type {
   NodeTypes,
   KeyDefinition,
   EdgeTypes,
-  DefaultEdgeOptions
+  DefaultEdgeOptions,
+  FitViewOptions
 } from '$lib/types';
 import type { Writable } from 'svelte/store';
 
@@ -37,6 +38,7 @@ export type SvelteFlowProps = DOMAttributes<HTMLDivElement> & {
   panActivationKey?: KeyDefinition;
   deleteKey?: KeyDefinition;
   fitView?: boolean;
+  fitViewOptions?: FitViewOptions;
   nodeOrigin?: NodeOrigin;
   minZoom?: number;
   maxZoom?: number;