added nodeExtent to Svelte Flow and React Flow Provider

packages/react/src/components/NodeWrapper/index.tsx

@@ -90,7 +90,7 @@ export function NodeWrapper<NodeType extends Node>({
   const inlineDimensions = getNodeInlineStyleDimensions(node);
   // TODO: clamping should happen earlier
   const clampedPosition = nodeExtent
-    ? clampPosition(internals.positionAbsolute, nodeExtent, node.measured)
+    ? clampPosition(internals.positionAbsolute, nodeExtent, nodeDimensions)
     : internals.positionAbsolute;
 
   const hasPointerEvents = isSelectable || isDraggable || onClick || onMouseEnter || onMouseMove || onMouseLeave;

packages/react/src/components/ReactFlowProvider/index.tsx

@@ -4,7 +4,7 @@ import { Provider } from '../../contexts/StoreContext';
 import { createStore } from '../../store';
 import { BatchProvider } from '../BatchProvider';
 import type { Node, Edge } from '../../types';
-import { NodeOrigin } from '@xyflow/system';
+import { CoordinateExtent, NodeOrigin } from '@xyflow/system';
 
 export type ReactFlowProviderProps = {
   initialNodes?: Node[];
@@ -15,6 +15,7 @@ export type ReactFlowProviderProps = {
   initialHeight?: number;
   fitView?: boolean;
   nodeOrigin?: NodeOrigin;
+  nodeExtent?: CoordinateExtent;
   children: ReactNode;
 };
 
@@ -27,6 +28,7 @@ export function ReactFlowProvider({
   initialHeight: height,
   fitView,
   nodeOrigin,
+  nodeExtent,
   children,
 }: ReactFlowProviderProps) {
   const [store] = useState(() =>
@@ -39,6 +41,7 @@ export function ReactFlowProvider({
       height,
       fitView,
       nodeOrigin,
+      nodeExtent,
     })
   );
 

packages/react/src/container/ReactFlow/Wrapper.tsx

@@ -3,7 +3,7 @@ import { useContext, type ReactNode } from 'react';
 import StoreContext from '../../contexts/StoreContext';
 import { ReactFlowProvider } from '../../components/ReactFlowProvider';
 import type { Node, Edge } from '../../types';
-import { NodeOrigin } from '@xyflow/system';
+import { CoordinateExtent, NodeOrigin } from '@xyflow/system';
 
 export function Wrapper({
   children,
@@ -15,6 +15,7 @@ export function Wrapper({
   height,
   fitView,
   nodeOrigin,
+  nodeExtent,
 }: {
   children: ReactNode;
   nodes?: Node[];
@@ -25,6 +26,7 @@ export function Wrapper({
   height?: number;
   fitView?: boolean;
   nodeOrigin?: NodeOrigin;
+  nodeExtent?: CoordinateExtent;
 }) {
   const isWrapped = useContext(StoreContext);
 
@@ -44,6 +46,7 @@ export function Wrapper({
       initialHeight={height}
       fitView={fitView}
       nodeOrigin={nodeOrigin}
+      nodeExtent={nodeExtent}
     >
       {children}
     </ReactFlowProvider>

packages/react/src/container/ReactFlow/index.tsx

@@ -160,7 +160,15 @@ function ReactFlow<NodeType extends Node = Node, EdgeType extends Edge = Edge>(
       data-testid="rf__wrapper"
       id={id}
     >
-      <Wrapper nodes={nodes} edges={edges} width={width} height={height} fitView={fitView} nodeOrigin={nodeOrigin}>
+      <Wrapper
+        nodes={nodes}
+        edges={edges}
+        width={width}
+        height={height}
+        fitView={fitView}
+        nodeOrigin={nodeOrigin}
+        nodeExtent={nodeExtent}
+      >
         <GraphView<NodeType, EdgeType>
           onInit={onInit}
           onNodeClick={onNodeClick}

packages/react/src/store/index.ts

@@ -15,6 +15,7 @@ import {
   ParentExpandChild,
   initialConnection,
   NodeOrigin,
+  CoordinateExtent,
 } from '@xyflow/system';
 
 import { applyEdgeChanges, applyNodeChanges, createSelectionChange, getSelectionChanges } from '../utils/changes';
@@ -30,6 +31,7 @@ const createStore = ({
   height,
   fitView,
   nodeOrigin,
+  nodeExtent,
 }: {
   nodes?: Node[];
   edges?: Edge[];
@@ -39,10 +41,11 @@ const createStore = ({
   height?: number;
   fitView?: boolean;
   nodeOrigin?: NodeOrigin;
+  nodeExtent?: CoordinateExtent;
 }) =>
   createWithEqualityFn<ReactFlowState>(
     (set, get) => ({
-      ...getInitialState({ nodes, edges, width, height, fitView, nodeOrigin, defaultNodes, defaultEdges }),
+      ...getInitialState({ nodes, edges, width, height, fitView, nodeOrigin, nodeExtent, defaultNodes, defaultEdges }),
       setNodes: (nodes: Node[]) => {
         const { nodeLookup, parentLookup, nodeOrigin, elevateNodesOnSelect } = get();
         // setNodes() is called exclusively in response to user actions:

packages/react/src/store/initialState.ts

@@ -9,6 +9,7 @@ import {
   getInternalNodesBounds,
   NodeOrigin,
   initialConnection,
+  CoordinateExtent,
 } from '@xyflow/system';
 
 import type { Edge, InternalNode, Node, ReactFlowStore } from '../types';
@@ -22,6 +23,7 @@ const getInitialState = ({
   height,
   fitView,
   nodeOrigin,
+  nodeExtent,
 }: {
   nodes?: Node[];
   edges?: Edge[];
@@ -31,18 +33,22 @@ const getInitialState = ({
   height?: number;
   fitView?: boolean;
   nodeOrigin?: NodeOrigin;
+  nodeExtent?: CoordinateExtent;
 } = {}): ReactFlowStore => {
   const nodeLookup = new Map<string, InternalNode>();
   const parentLookup = new Map();
   const connectionLookup = new Map();
   const edgeLookup = new Map();
+
   const storeEdges = defaultEdges ?? edges ?? [];
   const storeNodes = defaultNodes ?? nodes ?? [];
   const storeNodeOrigin = nodeOrigin ?? [0, 0];
+  const storeNodeExtent = nodeExtent ?? infiniteExtent;
 
   updateConnectionLookup(connectionLookup, edgeLookup, storeEdges);
   adoptUserNodes(storeNodes, nodeLookup, parentLookup, {
     nodeOrigin: storeNodeOrigin,
+    nodeExtent: storeNodeExtent,
     elevateNodesOnSelect: false,
   });
 
@@ -76,7 +82,7 @@ const getInitialState = ({
     minZoom: 0.5,
     maxZoom: 2,
     translateExtent: infiniteExtent,
-    nodeExtent: infiniteExtent,
+    nodeExtent: storeNodeExtent,
     nodesSelectionActive: false,
     userSelectionActive: false,
     userSelectionRect: null,

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

@@ -53,6 +53,7 @@
   export let onMoveEnd: $$Props['onMoveEnd'] = undefined;
   export let isValidConnection: $$Props['isValidConnection'] = undefined;
   export let translateExtent: $$Props['translateExtent'] = undefined;
+  export let nodeExtent: $$Props['nodeExtent'] = undefined;
   export let onlyRenderVisibleElements: $$Props['onlyRenderVisibleElements'] = undefined;
   export let panOnScrollMode: $$Props['panOnScrollMode'] = PanOnScrollMode.Free;
   export let preventScrolling: $$Props['preventScrolling'] = true;
@@ -102,7 +103,8 @@
         width,
         height,
         fitView,
-        nodeOrigin
+        nodeOrigin,
+        nodeExtent
       });
 
   onMount(() => {

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

@@ -206,6 +206,12 @@ export type SvelteFlowProps = DOMAttributes<HTMLDivElement> & {
    * @example [[-1000, -10000], [1000, 1000]]
    */
   translateExtent?: CoordinateExtent;
+  /** By default the nodes can be placed anywhere. You can use this prop to set a boundary.
+   *
+   * The first pair of coordinates is the top left boundary and the second pair is the bottom right.
+   * @example [[-1000, -10000], [1000, 1000]]
+   */
+  nodeExtent?: CoordinateExtent;
   /** Disabling this prop will allow the user to scroll the page even when their pointer is over the flow.
    * @default true
    */

packages/svelte/src/lib/store/index.ts

@@ -37,7 +37,8 @@ export function createStore({
   width,
   height,
   fitView: fitViewOnCreate,
-  nodeOrigin
+  nodeOrigin,
+  nodeExtent
 }: {
   nodes?: Node[];
   edges?: Edge[];
@@ -45,6 +46,7 @@ export function createStore({
   height?: number;
   fitView?: boolean;
   nodeOrigin?: NodeOrigin;
+  nodeExtent?: CoordinateExtent;
 }): SvelteFlowStore {
   const store = getInitialStore({
     nodes,
@@ -52,7 +54,8 @@ export function createStore({
     width,
     height,
     fitView: fitViewOnCreate,
-    nodeOrigin
+    nodeOrigin,
+    nodeExtent
   });
 
   function setNodeTypes(nodeTypes: NodeTypes) {
@@ -482,7 +485,8 @@ export function createStoreContext({
   width,
   height,
   fitView,
-  nodeOrigin
+  nodeOrigin,
+  nodeExtent
 }: {
   nodes?: Node[];
   edges?: Edge[];
@@ -490,8 +494,9 @@ export function createStoreContext({
   height?: number;
   fitView?: boolean;
   nodeOrigin?: NodeOrigin;
+  nodeExtent?: CoordinateExtent;
 }) {
-  const store = createStore({ nodes, edges, width, height, fitView, nodeOrigin });
+  const store = createStore({ nodes, edges, width, height, fitView, nodeOrigin, nodeExtent });
 
   setContext(key, {
     getStore: () => store

packages/svelte/src/lib/store/initial-store.ts

@@ -75,7 +75,8 @@ export const getInitialStore = ({
   width,
   height,
   fitView,
-  nodeOrigin
+  nodeOrigin,
+  nodeExtent
 }: {
   nodes?: Node[];
   edges?: Edge[];
@@ -83,17 +84,23 @@ export const getInitialStore = ({
   height?: number;
   fitView?: boolean;
   nodeOrigin?: NodeOrigin;
+  nodeExtent?: CoordinateExtent;
 }) => {
   const nodeLookup: NodeLookup = new Map();
   const parentLookup = new Map();
+  const connectionLookup = new Map();
+  const edgeLookup = new Map();
+
   const storeNodeOrigin = nodeOrigin ?? [0, 0];
+  const storeNodeExtent = nodeExtent ?? infiniteExtent;
+
   adoptUserNodes(nodes, nodeLookup, parentLookup, {
+    nodeExtent: storeNodeExtent,
     nodeOrigin: storeNodeOrigin,
     elevateNodesOnSelect: false,
     checkEquality: false
   });
-  const connectionLookup = new Map();
+
-  const edgeLookup = new Map();
   updateConnectionLookup(connectionLookup, edgeLookup, edges);
 
   let viewport: Viewport = { x: 0, y: 0, zoom: 1 };
@@ -121,7 +128,7 @@ export const getInitialStore = ({
     maxZoom: writable<number>(2),
     nodeOrigin: writable<NodeOrigin>(storeNodeOrigin),
     nodeDragThreshold: writable<number>(1),
-    nodeExtent: writable<CoordinateExtent>(infiniteExtent),
+    nodeExtent: writable<CoordinateExtent>(storeNodeExtent),
     translateExtent: writable<CoordinateExtent>(infiniteExtent),
     autoPanOnNodeDrag: writable<boolean>(true),
     autoPanOnConnect: writable<boolean>(true),

packages/system/src/utils/store.ts

@@ -1,3 +1,4 @@
+import { infiniteExtent } from '..';
 import {
   NodeBase,
   CoordinateExtent,
@@ -23,6 +24,7 @@ import { ParentExpandChild } from './types';
 
 const defaultOptions = {
   nodeOrigin: [0, 0] as NodeOrigin,
+  nodeExtent: infiniteExtent,
   elevateNodesOnSelect: true,
   defaults: {},
 };
@@ -48,6 +50,7 @@ export function updateAbsolutePositions<NodeType extends NodeBase>(
 
 type UpdateNodesOptions<NodeType extends NodeBase> = {
   nodeOrigin?: NodeOrigin;
+  nodeExtent?: CoordinateExtent;
   elevateNodesOnSelect?: boolean;
   defaults?: Partial<NodeType>;
   checkEquality?: boolean;