A UMD build of @xyflow/react
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.gf.qytechs.cn/scripts/520295/1500131/%40xyflow%E1%9C%B5react.js
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('react/jsx-runtime'), require('classcat'), require('@xyflow/system'), require('react'), require('zustand/traditional'), require('zustand/shallow'), require('react-dom')) :
typeof define === 'function' && define.amd ? define(['exports', 'react/jsx-runtime', 'classcat', '@xyflow/system', 'react', 'zustand/traditional', 'zustand/shallow', 'react-dom'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.XYFlowReact = {}, global.ReactJSXRuntime, global.classcat, global.XYFlowSystem, global.React, global.ZustandTraditional, global.ZustandShallow, global.ReactDOM));
})(this, (function (exports, jsxRuntime, cc, system, react, traditional, shallow, reactDom) { 'use strict';
var StoreContext = react.createContext(null);
var Provider$1 = StoreContext.Provider;
var zustandErrorMessage = system.errorMessages["error001"]();
function useStore(selector2, equalityFn) {
const store = react.useContext(StoreContext);
if (store === null) {
throw new Error(zustandErrorMessage);
}
return traditional.useStoreWithEqualityFn(store, selector2, equalityFn);
}
function useStoreApi() {
const store = react.useContext(StoreContext);
if (store === null) {
throw new Error(zustandErrorMessage);
}
return react.useMemo(() => ({
getState: store.getState,
setState: store.setState,
subscribe: store.subscribe
}), [store]);
}
var style = { display: "none" };
var ariaLiveStyle = {
position: "absolute",
width: 1,
height: 1,
margin: -1,
border: 0,
padding: 0,
overflow: "hidden",
clip: "rect(0px, 0px, 0px, 0px)",
clipPath: "inset(100%)"
};
var ARIA_NODE_DESC_KEY = "react-flow__node-desc";
var ARIA_EDGE_DESC_KEY = "react-flow__edge-desc";
var ARIA_LIVE_MESSAGE = "react-flow__aria-live";
var selector$o = (s) => s.ariaLiveMessage;
function AriaLiveMessage({ rfId }) {
const ariaLiveMessage = useStore(selector$o);
return jsxRuntime.jsx("div", { id: `${ARIA_LIVE_MESSAGE}-${rfId}`, "aria-live": "assertive", "aria-atomic": "true", style: ariaLiveStyle, children: ariaLiveMessage });
}
function A11yDescriptions({ rfId, disableKeyboardA11y }) {
return jsxRuntime.jsxs(jsxRuntime.Fragment, { children: [jsxRuntime.jsxs("div", { id: `${ARIA_NODE_DESC_KEY}-${rfId}`, style, children: ["Press enter or space to select a node.", !disableKeyboardA11y && "You can then use the arrow keys to move the node around.", " Press delete to remove it and escape to cancel.", " "] }), jsxRuntime.jsx("div", { id: `${ARIA_EDGE_DESC_KEY}-${rfId}`, style, children: "Press enter or space to select an edge. You can then press delete to remove it or escape to cancel." }), !disableKeyboardA11y && jsxRuntime.jsx(AriaLiveMessage, { rfId })] });
}
var selector$n = (s) => s.userSelectionActive ? "none" : "all";
var Panel = react.forwardRef(({ position = "top-left", children, className, style: style2, ...rest }, ref) => {
const pointerEvents = useStore(selector$n);
const positionClasses = `${position}`.split("-");
return jsxRuntime.jsx("div", { className: cc(["react-flow__panel", className, ...positionClasses]), style: { ...style2, pointerEvents }, ref, ...rest, children });
});
function Attribution({ proOptions, position = "bottom-right" }) {
if (proOptions?.hideAttribution) {
return null;
}
return jsxRuntime.jsx(Panel, { position, className: "react-flow__attribution", "data-message": "Please only hide this attribution when you are subscribed to React Flow Pro: https://pro.reactflow.dev", children: jsxRuntime.jsx("a", { href: "https://reactflow.dev", target: "_blank", rel: "noopener noreferrer", "aria-label": "React Flow attribution", children: "React Flow" }) });
}
var selector$m = (s) => {
const selectedNodes = [];
const selectedEdges = [];
for (const [, node] of s.nodeLookup) {
if (node.selected) {
selectedNodes.push(node.internals.userNode);
}
}
for (const [, edge] of s.edgeLookup) {
if (edge.selected) {
selectedEdges.push(edge);
}
}
return { selectedNodes, selectedEdges };
};
var selectId = (obj) => obj.id;
function areEqual(a, b) {
return shallow.shallow(a.selectedNodes.map(selectId), b.selectedNodes.map(selectId)) && shallow.shallow(a.selectedEdges.map(selectId), b.selectedEdges.map(selectId));
}
function SelectionListenerInner({ onSelectionChange }) {
const store = useStoreApi();
const { selectedNodes, selectedEdges } = useStore(selector$m, areEqual);
react.useEffect(() => {
const params = { nodes: selectedNodes, edges: selectedEdges };
onSelectionChange?.(params);
store.getState().onSelectionChangeHandlers.forEach((fn) => fn(params));
}, [selectedNodes, selectedEdges, onSelectionChange]);
return null;
}
var changeSelector = (s) => !!s.onSelectionChangeHandlers;
function SelectionListener({ onSelectionChange }) {
const storeHasSelectionChangeHandlers = useStore(changeSelector);
if (onSelectionChange || storeHasSelectionChangeHandlers) {
return jsxRuntime.jsx(SelectionListenerInner, { onSelectionChange });
}
return null;
}
var defaultNodeOrigin = [0, 0];
var defaultViewport = { x: 0, y: 0, zoom: 1 };
var reactFlowFieldsToTrack = [
"nodes",
"edges",
"defaultNodes",
"defaultEdges",
"onConnect",
"onConnectStart",
"onConnectEnd",
"onClickConnectStart",
"onClickConnectEnd",
"nodesDraggable",
"nodesConnectable",
"nodesFocusable",
"edgesFocusable",
"edgesReconnectable",
"elevateNodesOnSelect",
"elevateEdgesOnSelect",
"minZoom",
"maxZoom",
"nodeExtent",
"onNodesChange",
"onEdgesChange",
"elementsSelectable",
"connectionMode",
"snapGrid",
"snapToGrid",
"translateExtent",
"connectOnClick",
"defaultEdgeOptions",
"fitView",
"fitViewOptions",
"onNodesDelete",
"onEdgesDelete",
"onDelete",
"onNodeDrag",
"onNodeDragStart",
"onNodeDragStop",
"onSelectionDrag",
"onSelectionDragStart",
"onSelectionDragStop",
"onMoveStart",
"onMove",
"onMoveEnd",
"noPanClassName",
"nodeOrigin",
"autoPanOnConnect",
"autoPanOnNodeDrag",
"onError",
"connectionRadius",
"isValidConnection",
"selectNodesOnDrag",
"nodeDragThreshold",
"onBeforeDelete",
"debug",
"autoPanSpeed",
"paneClickDistance"
];
var fieldsToTrack = [...reactFlowFieldsToTrack, "rfId"];
var selector$l = (s) => ({
setNodes: s.setNodes,
setEdges: s.setEdges,
setMinZoom: s.setMinZoom,
setMaxZoom: s.setMaxZoom,
setTranslateExtent: s.setTranslateExtent,
setNodeExtent: s.setNodeExtent,
reset: s.reset,
setDefaultNodesAndEdges: s.setDefaultNodesAndEdges,
setPaneClickDistance: s.setPaneClickDistance
});
var initPrevValues = {
translateExtent: system.infiniteExtent,
nodeOrigin: defaultNodeOrigin,
minZoom: 0.5,
maxZoom: 2,
elementsSelectable: true,
noPanClassName: "nopan",
rfId: "1",
paneClickDistance: 0
};
function StoreUpdater(props) {
const { setNodes, setEdges, setMinZoom, setMaxZoom, setTranslateExtent, setNodeExtent, reset, setDefaultNodesAndEdges, setPaneClickDistance } = useStore(selector$l, shallow.shallow);
const store = useStoreApi();
react.useEffect(() => {
setDefaultNodesAndEdges(props.defaultNodes, props.defaultEdges);
return () => {
previousFields.current = initPrevValues;
reset();
};
}, []);
const previousFields = react.useRef(initPrevValues);
react.useEffect(
() => {
for (const fieldName of fieldsToTrack) {
const fieldValue = props[fieldName];
const previousFieldValue = previousFields.current[fieldName];
if (fieldValue === previousFieldValue)
continue;
if (typeof props[fieldName] === "undefined")
continue;
if (fieldName === "nodes")
setNodes(fieldValue);
else if (fieldName === "edges")
setEdges(fieldValue);
else if (fieldName === "minZoom")
setMinZoom(fieldValue);
else if (fieldName === "maxZoom")
setMaxZoom(fieldValue);
else if (fieldName === "translateExtent")
setTranslateExtent(fieldValue);
else if (fieldName === "nodeExtent")
setNodeExtent(fieldValue);
else if (fieldName === "paneClickDistance")
setPaneClickDistance(fieldValue);
else if (fieldName === "fitView")
store.setState({ fitViewOnInit: fieldValue });
else if (fieldName === "fitViewOptions")
store.setState({ fitViewOnInitOptions: fieldValue });
else
store.setState({ [fieldName]: fieldValue });
}
previousFields.current = props;
},
fieldsToTrack.map((fieldName) => props[fieldName])
);
return null;
}
function getMediaQuery() {
if (typeof window === "undefined" || !window.matchMedia) {
return null;
}
return window.matchMedia("(prefers-color-scheme: dark)");
}
function useColorModeClass(colorMode) {
const [colorModeClass, setColorModeClass] = react.useState(colorMode === "system" ? null : colorMode);
react.useEffect(() => {
if (colorMode !== "system") {
setColorModeClass(colorMode);
return;
}
const mediaQuery = getMediaQuery();
const updateColorModeClass = () => setColorModeClass(mediaQuery?.matches ? "dark" : "light");
updateColorModeClass();
mediaQuery?.addEventListener("change", updateColorModeClass);
return () => {
mediaQuery?.removeEventListener("change", updateColorModeClass);
};
}, [colorMode]);
return colorModeClass !== null ? colorModeClass : getMediaQuery()?.matches ? "dark" : "light";
}
var defaultDoc = typeof document !== "undefined" ? document : null;
function useKeyPress(keyCode = null, options = { target: defaultDoc, actInsideInputWithModifier: true }) {
const [keyPressed, setKeyPressed] = react.useState(false);
const modifierPressed = react.useRef(false);
const pressedKeys = react.useRef( new Set([]));
const [keyCodes, keysToWatch] = react.useMemo(() => {
if (keyCode !== null) {
const keyCodeArr = Array.isArray(keyCode) ? keyCode : [keyCode];
const keys = keyCodeArr.filter((kc) => typeof kc === "string").map((kc) => kc.replace("+", "\n").replace("\n\n", "\n+").split("\n"));
const keysFlat = keys.reduce((res, item) => res.concat(...item), []);
return [keys, keysFlat];
}
return [[], []];
}, [keyCode]);
react.useEffect(() => {
const target = options?.target || defaultDoc;
if (keyCode !== null) {
const downHandler = (event) => {
modifierPressed.current = event.ctrlKey || event.metaKey || event.shiftKey;
const preventAction = (!modifierPressed.current || modifierPressed.current && !options.actInsideInputWithModifier) && system.isInputDOMNode(event);
if (preventAction) {
return false;
}
const keyOrCode = useKeyOrCode(event.code, keysToWatch);
pressedKeys.current.add(event[keyOrCode]);
if (isMatchingKey(keyCodes, pressedKeys.current, false)) {
event.preventDefault();
setKeyPressed(true);
}
};
const upHandler = (event) => {
const preventAction = (!modifierPressed.current || modifierPressed.current && !options.actInsideInputWithModifier) && system.isInputDOMNode(event);
if (preventAction) {
return false;
}
const keyOrCode = useKeyOrCode(event.code, keysToWatch);
if (isMatchingKey(keyCodes, pressedKeys.current, true)) {
setKeyPressed(false);
pressedKeys.current.clear();
} else {
pressedKeys.current.delete(event[keyOrCode]);
}
if (event.key === "Meta") {
pressedKeys.current.clear();
}
modifierPressed.current = false;
};
const resetHandler = () => {
pressedKeys.current.clear();
setKeyPressed(false);
};
target?.addEventListener("keydown", downHandler);
target?.addEventListener("keyup", upHandler);
window.addEventListener("blur", resetHandler);
window.addEventListener("contextmenu", resetHandler);
return () => {
target?.removeEventListener("keydown", downHandler);
target?.removeEventListener("keyup", upHandler);
window.removeEventListener("blur", resetHandler);
window.removeEventListener("contextmenu", resetHandler);
};
}
}, [keyCode, setKeyPressed]);
return keyPressed;
}
function isMatchingKey(keyCodes, pressedKeys, isUp) {
return keyCodes.filter((keys) => isUp || keys.length === pressedKeys.size).some((keys) => keys.every((k) => pressedKeys.has(k)));
}
function useKeyOrCode(eventCode, keysToWatch) {
return keysToWatch.includes(eventCode) ? "code" : "key";
}
var useViewportHelper = () => {
const store = useStoreApi();
return react.useMemo(() => {
return {
zoomIn: (options) => {
const { panZoom } = store.getState();
return panZoom ? panZoom.scaleBy(1.2, { duration: options?.duration }) : Promise.resolve(false);
},
zoomOut: (options) => {
const { panZoom } = store.getState();
return panZoom ? panZoom.scaleBy(1 / 1.2, { duration: options?.duration }) : Promise.resolve(false);
},
zoomTo: (zoomLevel, options) => {
const { panZoom } = store.getState();
return panZoom ? panZoom.scaleTo(zoomLevel, { duration: options?.duration }) : Promise.resolve(false);
},
getZoom: () => store.getState().transform[2],
setViewport: async (viewport, options) => {
const { transform: [tX, tY, tZoom], panZoom } = store.getState();
if (!panZoom) {
return Promise.resolve(false);
}
await panZoom.setViewport({
x: viewport.x ?? tX,
y: viewport.y ?? tY,
zoom: viewport.zoom ?? tZoom
}, { duration: options?.duration });
return Promise.resolve(true);
},
getViewport: () => {
const [x, y, zoom] = store.getState().transform;
return { x, y, zoom };
},
fitView: (options) => {
const { nodeLookup, minZoom, maxZoom, panZoom, domNode } = store.getState();
if (!panZoom || !domNode) {
return Promise.resolve(false);
}
const fitViewNodes = system.getFitViewNodes(nodeLookup, options);
const { width, height } = system.getDimensions(domNode);
return system.fitView({
nodes: fitViewNodes,
width,
height,
minZoom,
maxZoom,
panZoom
}, options);
},
setCenter: async (x, y, options) => {
const { width, height, maxZoom, panZoom } = store.getState();
const nextZoom = typeof options?.zoom !== "undefined" ? options.zoom : maxZoom;
const centerX = width / 2 - x * nextZoom;
const centerY = height / 2 - y * nextZoom;
if (!panZoom) {
return Promise.resolve(false);
}
await panZoom.setViewport({
x: centerX,
y: centerY,
zoom: nextZoom
}, { duration: options?.duration });
return Promise.resolve(true);
},
fitBounds: async (bounds, options) => {
const { width, height, minZoom, maxZoom, panZoom } = store.getState();
const viewport = system.getViewportForBounds(bounds, width, height, minZoom, maxZoom, options?.padding ?? 0.1);
if (!panZoom) {
return Promise.resolve(false);
}
await panZoom.setViewport(viewport, { duration: options?.duration });
return Promise.resolve(true);
},
screenToFlowPosition: (clientPosition, options = { snapToGrid: true }) => {
const { transform, snapGrid, domNode } = store.getState();
if (!domNode) {
return clientPosition;
}
const { x: domX, y: domY } = domNode.getBoundingClientRect();
const correctedPosition = {
x: clientPosition.x - domX,
y: clientPosition.y - domY
};
return system.pointToRendererPoint(correctedPosition, transform, options.snapToGrid, snapGrid);
},
flowToScreenPosition: (flowPosition) => {
const { transform, domNode } = store.getState();
if (!domNode) {
return flowPosition;
}
const { x: domX, y: domY } = domNode.getBoundingClientRect();
const rendererPosition = system.rendererPointToPoint(flowPosition, transform);
return {
x: rendererPosition.x + domX,
y: rendererPosition.y + domY
};
}
};
}, []);
};
function applyChanges(changes, elements) {
const updatedElements = [];
const changesMap = new Map();
const addItemChanges = [];
for (const change of changes) {
if (change.type === "add") {
addItemChanges.push(change);
continue;
} else if (change.type === "remove" || change.type === "replace") {
changesMap.set(change.id, [change]);
} else {
const elementChanges = changesMap.get(change.id);
if (elementChanges) {
elementChanges.push(change);
} else {
changesMap.set(change.id, [change]);
}
}
}
for (const element of elements) {
const changes2 = changesMap.get(element.id);
if (!changes2) {
updatedElements.push(element);
continue;
}
if (changes2[0].type === "remove") {
continue;
}
if (changes2[0].type === "replace") {
updatedElements.push({ ...changes2[0].item });
continue;
}
const updatedElement = { ...element };
for (const change of changes2) {
applyChange(change, updatedElement);
}
updatedElements.push(updatedElement);
}
if (addItemChanges.length) {
addItemChanges.forEach((change) => {
if (change.index !== void 0) {
updatedElements.splice(change.index, 0, { ...change.item });
} else {
updatedElements.push({ ...change.item });
}
});
}
return updatedElements;
}
function applyChange(change, element) {
switch (change.type) {
case "select": {
element.selected = change.selected;
break;
}
case "position": {
if (typeof change.position !== "undefined") {
element.position = change.position;
}
if (typeof change.dragging !== "undefined") {
element.dragging = change.dragging;
}
break;
}
case "dimensions": {
if (typeof change.dimensions !== "undefined") {
element.measured ??= {};
element.measured.width = change.dimensions.width;
element.measured.height = change.dimensions.height;
if (change.setAttributes) {
element.width = change.dimensions.width;
element.height = change.dimensions.height;
}
}
if (typeof change.resizing === "boolean") {
element.resizing = change.resizing;
}
break;
}
}
}
function applyNodeChanges(changes, nodes) {
return applyChanges(changes, nodes);
}
function applyEdgeChanges(changes, edges) {
return applyChanges(changes, edges);
}
function createSelectionChange(id, selected2) {
return {
id,
type: "select",
selected: selected2
};
}
function getSelectionChanges(items, selectedIds = new Set(), mutateItem = false) {
const changes = [];
for (const [id, item] of items) {
const willBeSelected = selectedIds.has(id);
if (!(item.selected === void 0 && !willBeSelected) && item.selected !== willBeSelected) {
if (mutateItem) {
item.selected = willBeSelected;
}
changes.push(createSelectionChange(item.id, willBeSelected));
}
}
return changes;
}
function getElementsDiffChanges({ items = [], lookup }) {
const changes = [];
const itemsLookup = new Map(items.map((item) => [item.id, item]));
for (const [index2, item] of items.entries()) {
const lookupItem = lookup.get(item.id);
const storeItem = lookupItem?.internals?.userNode ?? lookupItem;
if (storeItem !== void 0 && storeItem !== item) {
changes.push({ id: item.id, item, type: "replace" });
}
if (storeItem === void 0) {
changes.push({ item, type: "add", index: index2 });
}
}
for (const [id] of lookup) {
const nextNode = itemsLookup.get(id);
if (nextNode === void 0) {
changes.push({ id, type: "remove" });
}
}
return changes;
}
function elementToRemoveChange(item) {
return {
id: item.id,
type: "remove"
};
}
var isNode = (element) => system.isNodeBase(element);
var isEdge = (element) => system.isEdgeBase(element);
function fixedForwardRef(render) {
return react.forwardRef(render);
}
var useIsomorphicLayoutEffect = typeof window !== "undefined" ? react.useLayoutEffect : react.useEffect;
function useQueue(runQueue) {
const [serial, setSerial] = react.useState(BigInt(0));
const [queue] = react.useState(() => createQueue(() => setSerial((n) => n + BigInt(1))));
useIsomorphicLayoutEffect(() => {
const queueItems = queue.get();
if (queueItems.length) {
runQueue(queueItems);
queue.reset();
}
}, [serial]);
return queue;
}
function createQueue(cb) {
let queue = [];
return {
get: () => queue,
reset: () => {
queue = [];
},
push: (item) => {
queue.push(item);
cb();
}
};
}
var BatchContext = react.createContext(null);
function BatchProvider({ children }) {
const store = useStoreApi();
const nodeQueueHandler = react.useCallback((queueItems) => {
const { nodes = [], setNodes, hasDefaultNodes, onNodesChange, nodeLookup } = store.getState();
let next = nodes;
for (const payload of queueItems) {
next = typeof payload === "function" ? payload(next) : payload;
}
if (hasDefaultNodes) {
setNodes(next);
} else if (onNodesChange) {
onNodesChange(getElementsDiffChanges({
items: next,
lookup: nodeLookup
}));
}
}, []);
const nodeQueue = useQueue(nodeQueueHandler);
const edgeQueueHandler = react.useCallback((queueItems) => {
const { edges = [], setEdges, hasDefaultEdges, onEdgesChange, edgeLookup } = store.getState();
let next = edges;
for (const payload of queueItems) {
next = typeof payload === "function" ? payload(next) : payload;
}
if (hasDefaultEdges) {
setEdges(next);
} else if (onEdgesChange) {
onEdgesChange(getElementsDiffChanges({
items: next,
lookup: edgeLookup
}));
}
}, []);
const edgeQueue = useQueue(edgeQueueHandler);
const value = react.useMemo(() => ({ nodeQueue, edgeQueue }), []);
return jsxRuntime.jsx(BatchContext.Provider, { value, children });
}
function useBatchContext() {
const batchContext = react.useContext(BatchContext);
if (!batchContext) {
throw new Error("useBatchContext must be used within a BatchProvider");
}
return batchContext;
}
var selector$k = (s) => !!s.panZoom;
function useReactFlow() {
const viewportHelper = useViewportHelper();
const store = useStoreApi();
const batchContext = useBatchContext();
const viewportInitialized = useStore(selector$k);
const generalHelper = react.useMemo(() => {
const getInternalNode = (id) => store.getState().nodeLookup.get(id);
const setNodes = (payload) => {
batchContext.nodeQueue.push(payload);
};
const setEdges = (payload) => {
batchContext.edgeQueue.push(payload);
};
const getNodeRect = (node) => {
const { nodeLookup, nodeOrigin } = store.getState();
const nodeToUse = isNode(node) ? node : nodeLookup.get(node.id);
const position = nodeToUse.parentId ? system.evaluateAbsolutePosition(nodeToUse.position, nodeToUse.measured, nodeToUse.parentId, nodeLookup, nodeOrigin) : nodeToUse.position;
const nodeWithPosition = {
...nodeToUse,
position,
width: nodeToUse.measured?.width ?? nodeToUse.width,
height: nodeToUse.measured?.height ?? nodeToUse.height
};
return system.nodeToRect(nodeWithPosition);
};
const updateNode = (id, nodeUpdate, options = { replace: false }) => {
setNodes((prevNodes) => prevNodes.map((node) => {
if (node.id === id) {
const nextNode = typeof nodeUpdate === "function" ? nodeUpdate(node) : nodeUpdate;
return options.replace && isNode(nextNode) ? nextNode : { ...node, ...nextNode };
}
return node;
}));
};
const updateEdge = (id, edgeUpdate, options = { replace: false }) => {
setEdges((prevEdges) => prevEdges.map((edge) => {
if (edge.id === id) {
const nextEdge = typeof edgeUpdate === "function" ? edgeUpdate(edge) : edgeUpdate;
return options.replace && isEdge(nextEdge) ? nextEdge : { ...edge, ...nextEdge };
}
return edge;
}));
};
return {
getNodes: () => store.getState().nodes.map((n) => ({ ...n })),
getNode: (id) => getInternalNode(id)?.internals.userNode,
getInternalNode,
getEdges: () => {
const { edges = [] } = store.getState();
return edges.map((e) => ({ ...e }));
},
getEdge: (id) => store.getState().edgeLookup.get(id),
setNodes,
setEdges,
addNodes: (payload) => {
const newNodes = Array.isArray(payload) ? payload : [payload];
batchContext.nodeQueue.push((nodes) => [...nodes, ...newNodes]);
},
addEdges: (payload) => {
const newEdges = Array.isArray(payload) ? payload : [payload];
batchContext.edgeQueue.push((edges) => [...edges, ...newEdges]);
},
toObject: () => {
const { nodes = [], edges = [], transform } = store.getState();
const [x, y, zoom] = transform;
return {
nodes: nodes.map((n) => ({ ...n })),
edges: edges.map((e) => ({ ...e })),
viewport: {
x,
y,
zoom
}
};
},
deleteElements: async ({ nodes: nodesToRemove = [], edges: edgesToRemove = [] }) => {
const { nodes, edges, onNodesDelete, onEdgesDelete, triggerNodeChanges, triggerEdgeChanges, onDelete, onBeforeDelete } = store.getState();
const { nodes: matchingNodes, edges: matchingEdges } = await system.getElementsToRemove({
nodesToRemove,
edgesToRemove,
nodes,
edges,
onBeforeDelete
});
const hasMatchingEdges = matchingEdges.length > 0;
const hasMatchingNodes = matchingNodes.length > 0;
if (hasMatchingEdges) {
const edgeChanges = matchingEdges.map(elementToRemoveChange);
onEdgesDelete?.(matchingEdges);
triggerEdgeChanges(edgeChanges);
}
if (hasMatchingNodes) {
const nodeChanges = matchingNodes.map(elementToRemoveChange);
onNodesDelete?.(matchingNodes);
triggerNodeChanges(nodeChanges);
}
if (hasMatchingNodes || hasMatchingEdges) {
onDelete?.({ nodes: matchingNodes, edges: matchingEdges });
}
return { deletedNodes: matchingNodes, deletedEdges: matchingEdges };
},
getIntersectingNodes: (nodeOrRect, partially = true, nodes) => {
const isRect = system.isRectObject(nodeOrRect);
const nodeRect = isRect ? nodeOrRect : getNodeRect(nodeOrRect);
const hasNodesOption = nodes !== void 0;
if (!nodeRect) {
return [];
}
return (nodes || store.getState().nodes).filter((n) => {
const internalNode = store.getState().nodeLookup.get(n.id);
if (internalNode && !isRect && (n.id === nodeOrRect.id || !internalNode.internals.positionAbsolute)) {
return false;
}
const currNodeRect = system.nodeToRect(hasNodesOption ? n : internalNode);
const overlappingArea = system.getOverlappingArea(currNodeRect, nodeRect);
const partiallyVisible = partially && overlappingArea > 0;
return partiallyVisible || overlappingArea >= nodeRect.width * nodeRect.height;
});
},
isNodeIntersecting: (nodeOrRect, area, partially = true) => {
const isRect = system.isRectObject(nodeOrRect);
const nodeRect = isRect ? nodeOrRect : getNodeRect(nodeOrRect);
if (!nodeRect) {
return false;
}
const overlappingArea = system.getOverlappingArea(nodeRect, area);
const partiallyVisible = partially && overlappingArea > 0;
return partiallyVisible || overlappingArea >= nodeRect.width * nodeRect.height;
},
updateNode,
updateNodeData: (id, dataUpdate, options = { replace: false }) => {
updateNode(id, (node) => {
const nextData = typeof dataUpdate === "function" ? dataUpdate(node) : dataUpdate;
return options.replace ? { ...node, data: nextData } : { ...node, data: { ...node.data, ...nextData } };
}, options);
},
updateEdge,
updateEdgeData: (id, dataUpdate, options = { replace: false }) => {
updateEdge(id, (edge) => {
const nextData = typeof dataUpdate === "function" ? dataUpdate(edge) : dataUpdate;
return options.replace ? { ...edge, data: nextData } : { ...edge, data: { ...edge.data, ...nextData } };
}, options);
},
getNodesBounds: (nodes) => {
const { nodeLookup, nodeOrigin } = store.getState();
return system.getNodesBounds(nodes, { nodeLookup, nodeOrigin });
},
getHandleConnections: ({ type, id, nodeId }) => Array.from(store.getState().connectionLookup.get(`${nodeId}-${type}-${id ?? null}`)?.values() ?? [])
};
}, []);
return react.useMemo(() => {
return {
...generalHelper,
...viewportHelper,
viewportInitialized
};
}, [viewportInitialized]);
}
var selected = (item) => item.selected;
var deleteKeyOptions = { actInsideInputWithModifier: false };
var win$1 = typeof window !== "undefined" ? window : void 0;
function useGlobalKeyHandler({ deleteKeyCode, multiSelectionKeyCode }) {
const store = useStoreApi();
const { deleteElements } = useReactFlow();
const deleteKeyPressed = useKeyPress(deleteKeyCode, deleteKeyOptions);
const multiSelectionKeyPressed = useKeyPress(multiSelectionKeyCode, { target: win$1 });
react.useEffect(() => {
if (deleteKeyPressed) {
const { edges, nodes } = store.getState();
deleteElements({ nodes: nodes.filter(selected), edges: edges.filter(selected) });
store.setState({ nodesSelectionActive: false });
}
}, [deleteKeyPressed]);
react.useEffect(() => {
store.setState({ multiSelectionActive: multiSelectionKeyPressed });
}, [multiSelectionKeyPressed]);
}
function useResizeHandler(domNode) {
const store = useStoreApi();
react.useEffect(() => {
const updateDimensions = () => {
if (!domNode.current) {
return false;
}
const size = system.getDimensions(domNode.current);
if (size.height === 0 || size.width === 0) {
store.getState().onError?.("004", system.errorMessages["error004"]());
}
store.setState({ width: size.width || 500, height: size.height || 500 });
};
if (domNode.current) {
updateDimensions();
window.addEventListener("resize", updateDimensions);
const resizeObserver = new ResizeObserver(() => updateDimensions());
resizeObserver.observe(domNode.current);
return () => {
window.removeEventListener("resize", updateDimensions);
if (resizeObserver && domNode.current) {
resizeObserver.unobserve(domNode.current);
}
};
}
}, []);
}
var containerStyle = {
position: "absolute",
width: "100%",
height: "100%",
top: 0,
left: 0
};
var selector$j = (s) => ({
userSelectionActive: s.userSelectionActive,
lib: s.lib
});
function ZoomPane({ onPaneContextMenu, zoomOnScroll = true, zoomOnPinch = true, panOnScroll = false, panOnScrollSpeed = 0.5, panOnScrollMode = system.PanOnScrollMode.Free, zoomOnDoubleClick = true, panOnDrag = true, defaultViewport: defaultViewport2, translateExtent, minZoom, maxZoom, zoomActivationKeyCode, preventScrolling = true, children, noWheelClassName, noPanClassName, onViewportChange, isControlledViewport, paneClickDistance }) {
const store = useStoreApi();
const zoomPane = react.useRef(null);
const { userSelectionActive, lib } = useStore(selector$j, shallow.shallow);
const zoomActivationKeyPressed = useKeyPress(zoomActivationKeyCode);
const panZoom = react.useRef();
useResizeHandler(zoomPane);
const onTransformChange = react.useCallback((transform) => {
onViewportChange?.({ x: transform[0], y: transform[1], zoom: transform[2] });
if (!isControlledViewport) {
store.setState({ transform });
}
}, [onViewportChange, isControlledViewport]);
react.useEffect(() => {
if (zoomPane.current) {
panZoom.current = system.XYPanZoom({
domNode: zoomPane.current,
minZoom,
maxZoom,
translateExtent,
viewport: defaultViewport2,
paneClickDistance,
onDraggingChange: (paneDragging) => store.setState({ paneDragging }),
onPanZoomStart: (event, vp) => {
const { onViewportChangeStart, onMoveStart } = store.getState();
onMoveStart?.(event, vp);
onViewportChangeStart?.(vp);
},
onPanZoom: (event, vp) => {
const { onViewportChange: onViewportChange2, onMove } = store.getState();
onMove?.(event, vp);
onViewportChange2?.(vp);
},
onPanZoomEnd: (event, vp) => {
const { onViewportChangeEnd, onMoveEnd } = store.getState();
onMoveEnd?.(event, vp);
onViewportChangeEnd?.(vp);
}
});
const { x, y, zoom } = panZoom.current.getViewport();
store.setState({
panZoom: panZoom.current,
transform: [x, y, zoom],
domNode: zoomPane.current.closest(".react-flow")
});
return () => {
panZoom.current?.destroy();
};
}
}, []);
react.useEffect(() => {
panZoom.current?.update({
onPaneContextMenu,
zoomOnScroll,
zoomOnPinch,
panOnScroll,
panOnScrollSpeed,
panOnScrollMode,
zoomOnDoubleClick,
panOnDrag,
zoomActivationKeyPressed,
preventScrolling,
noPanClassName,
userSelectionActive,
noWheelClassName,
lib,
onTransformChange
});
}, [
onPaneContextMenu,
zoomOnScroll,
zoomOnPinch,
panOnScroll,
panOnScrollSpeed,
panOnScrollMode,
zoomOnDoubleClick,
panOnDrag,
zoomActivationKeyPressed,
preventScrolling,
noPanClassName,
userSelectionActive,
noWheelClassName,
lib,
onTransformChange
]);
return jsxRuntime.jsx("div", { className: "react-flow__renderer", ref: zoomPane, style: containerStyle, children });
}
var selector$i = (s) => ({
userSelectionActive: s.userSelectionActive,
userSelectionRect: s.userSelectionRect
});
function UserSelection() {
const { userSelectionActive, userSelectionRect } = useStore(selector$i, shallow.shallow);
const isActive = userSelectionActive && userSelectionRect;
if (!isActive) {
return null;
}
return jsxRuntime.jsx("div", { className: "react-flow__selection react-flow__container", style: {
width: userSelectionRect.width,
height: userSelectionRect.height,
transform: `translate(${userSelectionRect.x}px, ${userSelectionRect.y}px)`
} });
}
var wrapHandler = (handler, containerRef) => {
return (event) => {
if (event.target !== containerRef.current) {
return;
}
handler?.(event);
};
};
var selector$h = (s) => ({
userSelectionActive: s.userSelectionActive,
elementsSelectable: s.elementsSelectable,
dragging: s.paneDragging
});
function Pane({ isSelecting, selectionKeyPressed, selectionMode = system.SelectionMode.Full, panOnDrag, selectionOnDrag, onSelectionStart, onSelectionEnd, onPaneClick, onPaneContextMenu, onPaneScroll, onPaneMouseEnter, onPaneMouseMove, onPaneMouseLeave, children }) {
const container = react.useRef(null);
const store = useStoreApi();
const prevSelectedNodesCount = react.useRef(0);
const prevSelectedEdgesCount = react.useRef(0);
const containerBounds = react.useRef();
const edgeIdLookup = react.useRef( new Map());
const { userSelectionActive, elementsSelectable, dragging } = useStore(selector$h, shallow.shallow);
const hasActiveSelection = elementsSelectable && (isSelecting || userSelectionActive);
const selectionInProgress = react.useRef(false);
const selectionStarted = react.useRef(false);
const resetUserSelection = () => {
store.setState({ userSelectionActive: false, userSelectionRect: null });
prevSelectedNodesCount.current = 0;
prevSelectedEdgesCount.current = 0;
};
const onClick = (event) => {
if (selectionInProgress.current) {
selectionInProgress.current = false;
return;
}
onPaneClick?.(event);
store.getState().resetSelectedElements();
store.setState({ nodesSelectionActive: false });
};
const onContextMenu = (event) => {
if (Array.isArray(panOnDrag) && panOnDrag?.includes(2)) {
event.preventDefault();
return;
}
onPaneContextMenu?.(event);
};
const onWheel = onPaneScroll ? (event) => onPaneScroll(event) : void 0;
const onPointerDown = (event) => {
const { resetSelectedElements, domNode, edgeLookup } = store.getState();
containerBounds.current = domNode?.getBoundingClientRect();
if (!elementsSelectable || !isSelecting || event.button !== 0 || event.target !== container.current || !containerBounds.current) {
return;
}
event.target?.setPointerCapture?.(event.pointerId);
selectionStarted.current = true;
selectionInProgress.current = false;
edgeIdLookup.current = new Map();
for (const [id, edge] of edgeLookup) {
edgeIdLookup.current.set(edge.source, edgeIdLookup.current.get(edge.source)?.add(id) || new Set([id]));
edgeIdLookup.current.set(edge.target, edgeIdLookup.current.get(edge.target)?.add(id) || new Set([id]));
}
const { x, y } = system.getEventPosition(event.nativeEvent, containerBounds.current);
resetSelectedElements();
store.setState({
userSelectionRect: {
width: 0,
height: 0,
startX: x,
startY: y,
x,
y
}
});
onSelectionStart?.(event);
};
const onPointerMove = (event) => {
const { userSelectionRect, edgeLookup, transform, nodeLookup, triggerNodeChanges, triggerEdgeChanges } = store.getState();
if (!containerBounds.current || !userSelectionRect) {
return;
}
selectionInProgress.current = true;
const { x: mouseX, y: mouseY } = system.getEventPosition(event.nativeEvent, containerBounds.current);
const { startX, startY } = userSelectionRect;
const nextUserSelectRect = {
startX,
startY,
x: mouseX < startX ? mouseX : startX,
y: mouseY < startY ? mouseY : startY,
width: Math.abs(mouseX - startX),
height: Math.abs(mouseY - startY)
};
const selectedNodes = system.getNodesInside(nodeLookup, nextUserSelectRect, transform, selectionMode === system.SelectionMode.Partial, true);
const selectedEdgeIds = new Set();
const selectedNodeIds = new Set();
for (const selectedNode of selectedNodes) {
selectedNodeIds.add(selectedNode.id);
const edgeIds = edgeIdLookup.current.get(selectedNode.id);
if (edgeIds) {
for (const edgeId of edgeIds) {
selectedEdgeIds.add(edgeId);
}
}
}
if (prevSelectedNodesCount.current !== selectedNodeIds.size) {
prevSelectedNodesCount.current = selectedNodeIds.size;
const changes = getSelectionChanges(nodeLookup, selectedNodeIds, true);
triggerNodeChanges(changes);
}
if (prevSelectedEdgesCount.current !== selectedEdgeIds.size) {
prevSelectedEdgesCount.current = selectedEdgeIds.size;
const changes = getSelectionChanges(edgeLookup, selectedEdgeIds);
triggerEdgeChanges(changes);
}
store.setState({
userSelectionRect: nextUserSelectRect,
userSelectionActive: true,
nodesSelectionActive: false
});
};
const onPointerUp = (event) => {
if (event.button !== 0 || !selectionStarted.current) {
return;
}
event.target?.releasePointerCapture?.(event.pointerId);
const { userSelectionRect } = store.getState();
if (!userSelectionActive && userSelectionRect && event.target === container.current) {
onClick?.(event);
}
if (prevSelectedNodesCount.current > 0) {
store.setState({ nodesSelectionActive: true });
}
resetUserSelection();
onSelectionEnd?.(event);
if (selectionKeyPressed || selectionOnDrag) {
selectionInProgress.current = false;
}
selectionStarted.current = false;
};
const draggable = panOnDrag === true || Array.isArray(panOnDrag) && panOnDrag.includes(0);
return jsxRuntime.jsxs("div", { className: cc(["react-flow__pane", { draggable, dragging, selection: isSelecting }]), onClick: hasActiveSelection ? void 0 : wrapHandler(onClick, container), onContextMenu: wrapHandler(onContextMenu, container), onWheel: wrapHandler(onWheel, container), onPointerEnter: hasActiveSelection ? void 0 : onPaneMouseEnter, onPointerDown: hasActiveSelection ? onPointerDown : onPaneMouseMove, onPointerMove: hasActiveSelection ? onPointerMove : onPaneMouseMove, onPointerUp: hasActiveSelection ? onPointerUp : void 0, onPointerLeave: onPaneMouseLeave, ref: container, style: containerStyle, children: [children, jsxRuntime.jsx(UserSelection, {})] });
}
function handleNodeClick({ id, store, unselect = false, nodeRef }) {
const { addSelectedNodes, unselectNodesAndEdges, multiSelectionActive, nodeLookup, onError } = store.getState();
const node = nodeLookup.get(id);
if (!node) {
onError?.("012", system.errorMessages["error012"](id));
return;
}
store.setState({ nodesSelectionActive: false });
if (!node.selected) {
addSelectedNodes([id]);
} else if (unselect || node.selected && multiSelectionActive) {
unselectNodesAndEdges({ nodes: [node], edges: [] });
requestAnimationFrame(() => nodeRef?.current?.blur());
}
}
function useDrag({ nodeRef, disabled = false, noDragClassName, handleSelector, nodeId, isSelectable, nodeClickDistance }) {
const store = useStoreApi();
const [dragging, setDragging] = react.useState(false);
const xyDrag = react.useRef();
react.useEffect(() => {
xyDrag.current = system.XYDrag({
getStoreItems: () => store.getState(),
onNodeMouseDown: (id) => {
handleNodeClick({
id,
store,
nodeRef
});
},
onDragStart: () => {
setDragging(true);
},
onDragStop: () => {
setDragging(false);
}
});
}, []);
react.useEffect(() => {
if (disabled) {
xyDrag.current?.destroy();
} else if (nodeRef.current) {
xyDrag.current?.update({
noDragClassName,
handleSelector,
domNode: nodeRef.current,
isSelectable,
nodeId,
nodeClickDistance
});
return () => {
xyDrag.current?.destroy();
};
}
}, [noDragClassName, handleSelector, disabled, isSelectable, nodeRef, nodeId]);
return dragging;
}
var selectedAndDraggable = (nodesDraggable) => (n) => n.selected && (n.draggable || nodesDraggable && typeof n.draggable === "undefined");
function useMoveSelectedNodes() {
const store = useStoreApi();
const moveSelectedNodes = react.useCallback((params) => {
const { nodeExtent, snapToGrid, snapGrid, nodesDraggable, onError, updateNodePositions, nodeLookup, nodeOrigin } = store.getState();
const nodeUpdates = new Map();
const isSelected = selectedAndDraggable(nodesDraggable);
const xVelo = snapToGrid ? snapGrid[0] : 5;
const yVelo = snapToGrid ? snapGrid[1] : 5;
const xDiff = params.direction.x * xVelo * params.factor;
const yDiff = params.direction.y * yVelo * params.factor;
for (const [, node] of nodeLookup) {
if (!isSelected(node)) {
continue;
}
let nextPosition = {
x: node.internals.positionAbsolute.x + xDiff,
y: node.internals.positionAbsolute.y + yDiff
};
if (snapToGrid) {
nextPosition = system.snapPosition(nextPosition, snapGrid);
}
const { position, positionAbsolute } = system.calculateNodePosition({
nodeId: node.id,
nextPosition,
nodeLookup,
nodeExtent,
nodeOrigin,
onError
});
node.position = position;
node.internals.positionAbsolute = positionAbsolute;
nodeUpdates.set(node.id, node);
}
updateNodePositions(nodeUpdates);
}, []);
return moveSelectedNodes;
}
var NodeIdContext = react.createContext(null);
var Provider = NodeIdContext.Provider;
NodeIdContext.Consumer;
var useNodeId = () => {
const nodeId = react.useContext(NodeIdContext);
return nodeId;
};
var selector$g = (s) => ({
connectOnClick: s.connectOnClick,
noPanClassName: s.noPanClassName,
rfId: s.rfId
});
var connectingSelector = (nodeId, handleId, type) => (state) => {
const { connectionClickStartHandle: clickHandle, connectionMode, connection } = state;
const { fromHandle, toHandle, isValid } = connection;
const connectingTo = toHandle?.nodeId === nodeId && toHandle?.id === handleId && toHandle?.type === type;
return {
connectingFrom: fromHandle?.nodeId === nodeId && fromHandle?.id === handleId && fromHandle?.type === type,
connectingTo,
clickConnecting: clickHandle?.nodeId === nodeId && clickHandle?.id === handleId && clickHandle?.type === type,
isPossibleEndHandle: connectionMode === system.ConnectionMode.Strict ? fromHandle?.type !== type : nodeId !== fromHandle?.nodeId || handleId !== fromHandle?.id,
connectionInProcess: !!fromHandle,
valid: connectingTo && isValid
};
};
function HandleComponent({ type = "source", position = system.Position.Top, isValidConnection, isConnectable = true, isConnectableStart = true, isConnectableEnd = true, id, onConnect, children, className, onMouseDown, onTouchStart, ...rest }, ref) {
const handleId = id || null;
const isTarget = type === "target";
const store = useStoreApi();
const nodeId = useNodeId();
const { connectOnClick, noPanClassName, rfId } = useStore(selector$g, shallow.shallow);
const { connectingFrom, connectingTo, clickConnecting, isPossibleEndHandle, connectionInProcess, valid } = useStore(connectingSelector(nodeId, handleId, type), shallow.shallow);
if (!nodeId) {
store.getState().onError?.("010", system.errorMessages["error010"]());
}
const onConnectExtended = (params) => {
const { defaultEdgeOptions, onConnect: onConnectAction, hasDefaultEdges } = store.getState();
const edgeParams = {
...defaultEdgeOptions,
...params
};
if (hasDefaultEdges) {
const { edges, setEdges } = store.getState();
setEdges(system.addEdge(edgeParams, edges));
}
onConnectAction?.(edgeParams);
onConnect?.(edgeParams);
};
const onPointerDown = (event) => {
if (!nodeId) {
return;
}
const isMouseTriggered = system.isMouseEvent(event.nativeEvent);
if (isConnectableStart && (isMouseTriggered && event.button === 0 || !isMouseTriggered)) {
const currentStore = store.getState();
system.XYHandle.onPointerDown(event.nativeEvent, {
autoPanOnConnect: currentStore.autoPanOnConnect,
connectionMode: currentStore.connectionMode,
connectionRadius: currentStore.connectionRadius,
domNode: currentStore.domNode,
nodeLookup: currentStore.nodeLookup,
lib: currentStore.lib,
isTarget,
handleId,
nodeId,
flowId: currentStore.rfId,
panBy: currentStore.panBy,
cancelConnection: currentStore.cancelConnection,
onConnectStart: currentStore.onConnectStart,
onConnectEnd: currentStore.onConnectEnd,
updateConnection: currentStore.updateConnection,
onConnect: onConnectExtended,
isValidConnection: isValidConnection || currentStore.isValidConnection,
getTransform: () => store.getState().transform,
getFromHandle: () => store.getState().connection.fromHandle,
autoPanSpeed: currentStore.autoPanSpeed
});
}
if (isMouseTriggered) {
onMouseDown?.(event);
} else {
onTouchStart?.(event);
}
};
const onClick = (event) => {
const { onClickConnectStart, onClickConnectEnd, connectionClickStartHandle, connectionMode, isValidConnection: isValidConnectionStore, lib, rfId: flowId, nodeLookup, connection: connectionState } = store.getState();
if (!nodeId || !connectionClickStartHandle && !isConnectableStart) {
return;
}
if (!connectionClickStartHandle) {
onClickConnectStart?.(event.nativeEvent, { nodeId, handleId, handleType: type });
store.setState({ connectionClickStartHandle: { nodeId, type, id: handleId } });
return;
}
const doc = system.getHostForElement(event.target);
const isValidConnectionHandler = isValidConnection || isValidConnectionStore;
const { connection, isValid } = system.XYHandle.isValid(event.nativeEvent, {
handle: {
nodeId,
id: handleId,
type
},
connectionMode,
fromNodeId: connectionClickStartHandle.nodeId,
fromHandleId: connectionClickStartHandle.id || null,
fromType: connectionClickStartHandle.type,
isValidConnection: isValidConnectionHandler,
flowId,
doc,
lib,
nodeLookup
});
if (isValid && connection) {
onConnectExtended(connection);
}
const connectionClone = structuredClone(connectionState);
delete connectionClone.inProgress;
connectionClone.toPosition = connectionClone.toHandle ? connectionClone.toHandle.position : null;
onClickConnectEnd?.(event, connectionClone);
store.setState({ connectionClickStartHandle: null });
};
return jsxRuntime.jsx("div", { "data-handleid": handleId, "data-nodeid": nodeId, "data-handlepos": position, "data-id": `${rfId}-${nodeId}-${handleId}-${type}`, className: cc([
"react-flow__handle",
`react-flow__handle-${position}`,
"nodrag",
noPanClassName,
className,
{
source: !isTarget,
target: isTarget,
connectable: isConnectable,
connectablestart: isConnectableStart,
connectableend: isConnectableEnd,
clickconnecting: clickConnecting,
connectingfrom: connectingFrom,
connectingto: connectingTo,
valid,
connectionindicator: isConnectable && (!connectionInProcess || isPossibleEndHandle) && (connectionInProcess ? isConnectableEnd : isConnectableStart)
}
]), onMouseDown: onPointerDown, onTouchStart: onPointerDown, onClick: connectOnClick ? onClick : void 0, ref, ...rest, children });
}
var Handle = react.memo(fixedForwardRef(HandleComponent));
function InputNode({ data, isConnectable, sourcePosition = system.Position.Bottom }) {
return jsxRuntime.jsxs(jsxRuntime.Fragment, { children: [data?.label, jsxRuntime.jsx(Handle, { type: "source", position: sourcePosition, isConnectable })] });
}
function DefaultNode({ data, isConnectable, targetPosition = system.Position.Top, sourcePosition = system.Position.Bottom }) {
return jsxRuntime.jsxs(jsxRuntime.Fragment, { children: [jsxRuntime.jsx(Handle, { type: "target", position: targetPosition, isConnectable }), data?.label, jsxRuntime.jsx(Handle, { type: "source", position: sourcePosition, isConnectable })] });
}
function GroupNode() {
return null;
}
function OutputNode({ data, isConnectable, targetPosition = system.Position.Top }) {
return jsxRuntime.jsxs(jsxRuntime.Fragment, { children: [jsxRuntime.jsx(Handle, { type: "target", position: targetPosition, isConnectable }), data?.label] });
}
var arrowKeyDiffs = {
ArrowUp: { x: 0, y: -1 },
ArrowDown: { x: 0, y: 1 },
ArrowLeft: { x: -1, y: 0 },
ArrowRight: { x: 1, y: 0 }
};
var builtinNodeTypes = {
input: InputNode,
default: DefaultNode,
output: OutputNode,
group: GroupNode
};
function getNodeInlineStyleDimensions(node) {
if (node.internals.handleBounds === void 0) {
return {
width: node.width ?? node.initialWidth ?? node.style?.width,
height: node.height ?? node.initialHeight ?? node.style?.height
};
}
return {
width: node.width ?? node.style?.width,
height: node.height ?? node.style?.height
};
}
var selector$f = (s) => {
const { width, height, x, y } = system.getInternalNodesBounds(s.nodeLookup, {
filter: (node) => !!node.selected
});
return {
width: system.isNumeric(width) ? width : null,
height: system.isNumeric(height) ? height : null,
userSelectionActive: s.userSelectionActive,
transformString: `translate(${s.transform[0]}px,${s.transform[1]}px) scale(${s.transform[2]}) translate(${x}px,${y}px)`
};
};
function NodesSelection({ onSelectionContextMenu, noPanClassName, disableKeyboardA11y }) {
const store = useStoreApi();
const { width, height, transformString, userSelectionActive } = useStore(selector$f, shallow.shallow);
const moveSelectedNodes = useMoveSelectedNodes();
const nodeRef = react.useRef(null);
react.useEffect(() => {
if (!disableKeyboardA11y) {
nodeRef.current?.focus({
preventScroll: true
});
}
}, [disableKeyboardA11y]);
useDrag({
nodeRef
});
if (userSelectionActive || !width || !height) {
return null;
}
const onContextMenu = onSelectionContextMenu ? (event) => {
const selectedNodes = store.getState().nodes.filter((n) => n.selected);
onSelectionContextMenu(event, selectedNodes);
} : void 0;
const onKeyDown = (event) => {
if (Object.prototype.hasOwnProperty.call(arrowKeyDiffs, event.key)) {
event.preventDefault();
moveSelectedNodes({
direction: arrowKeyDiffs[event.key],
factor: event.shiftKey ? 4 : 1
});
}
};
return jsxRuntime.jsx("div", { className: cc(["react-flow__nodesselection", "react-flow__container", noPanClassName]), style: {
transform: transformString
}, children: jsxRuntime.jsx("div", { ref: nodeRef, className: "react-flow__nodesselection-rect", onContextMenu, tabIndex: disableKeyboardA11y ? void 0 : -1, onKeyDown: disableKeyboardA11y ? void 0 : onKeyDown, style: {
width,
height
} }) });
}
var win = typeof window !== "undefined" ? window : void 0;
var selector$e = (s) => {
return { nodesSelectionActive: s.nodesSelectionActive, userSelectionActive: s.userSelectionActive };
};
function FlowRendererComponent({ children, onPaneClick, onPaneMouseEnter, onPaneMouseMove, onPaneMouseLeave, onPaneContextMenu, onPaneScroll, paneClickDistance, deleteKeyCode, selectionKeyCode, selectionOnDrag, selectionMode, onSelectionStart, onSelectionEnd, multiSelectionKeyCode, panActivationKeyCode, zoomActivationKeyCode, elementsSelectable, zoomOnScroll, zoomOnPinch, panOnScroll: _panOnScroll, panOnScrollSpeed, panOnScrollMode, zoomOnDoubleClick, panOnDrag: _panOnDrag, defaultViewport: defaultViewport2, translateExtent, minZoom, maxZoom, preventScrolling, onSelectionContextMenu, noWheelClassName, noPanClassName, disableKeyboardA11y, onViewportChange, isControlledViewport }) {
const { nodesSelectionActive, userSelectionActive } = useStore(selector$e);
const selectionKeyPressed = useKeyPress(selectionKeyCode, { target: win });
const panActivationKeyPressed = useKeyPress(panActivationKeyCode, { target: win });
const panOnDrag = panActivationKeyPressed || _panOnDrag;
const panOnScroll = panActivationKeyPressed || _panOnScroll;
const _selectionOnDrag = selectionOnDrag && panOnDrag !== true;
const isSelecting = selectionKeyPressed || userSelectionActive || _selectionOnDrag;
useGlobalKeyHandler({ deleteKeyCode, multiSelectionKeyCode });
return jsxRuntime.jsx(ZoomPane, { onPaneContextMenu, elementsSelectable, zoomOnScroll, zoomOnPinch, panOnScroll, panOnScrollSpeed, panOnScrollMode, zoomOnDoubleClick, panOnDrag: !selectionKeyPressed && panOnDrag, defaultViewport: defaultViewport2, translateExtent, minZoom, maxZoom, zoomActivationKeyCode, preventScrolling, noWheelClassName, noPanClassName, onViewportChange, isControlledViewport, paneClickDistance, children: jsxRuntime.jsxs(Pane, { onSelectionStart, onSelectionEnd, onPaneClick, onPaneMouseEnter, onPaneMouseMove, onPaneMouseLeave, onPaneContextMenu, onPaneScroll, panOnDrag, isSelecting: !!isSelecting, selectionMode, selectionKeyPressed, selectionOnDrag: _selectionOnDrag, children: [children, nodesSelectionActive && jsxRuntime.jsx(NodesSelection, { onSelectionContextMenu, noPanClassName, disableKeyboardA11y })] }) });
}
FlowRendererComponent.displayName = "FlowRenderer";
var FlowRenderer = react.memo(FlowRendererComponent);
var selector$d = (onlyRenderVisible) => (s) => {
return onlyRenderVisible ? system.getNodesInside(s.nodeLookup, { x: 0, y: 0, width: s.width, height: s.height }, s.transform, true).map((node) => node.id) : Array.from(s.nodeLookup.keys());
};
function useVisibleNodeIds(onlyRenderVisible) {
const nodeIds = useStore(react.useCallback(selector$d(onlyRenderVisible), [onlyRenderVisible]), shallow.shallow);
return nodeIds;
}
var selector$c = (s) => s.updateNodeInternals;
function useResizeObserver() {
const updateNodeInternals2 = useStore(selector$c);
const [resizeObserver] = react.useState(() => {
if (typeof ResizeObserver === "undefined") {
return null;
}
return new ResizeObserver((entries) => {
const updates = new Map();
entries.forEach((entry) => {
const id = entry.target.getAttribute("data-id");
updates.set(id, {
id,
nodeElement: entry.target,
force: true
});
});
updateNodeInternals2(updates);
});
});
react.useEffect(() => {
return () => {
resizeObserver?.disconnect();
};
}, [resizeObserver]);
return resizeObserver;
}
function useNodeObserver({ node, nodeType, hasDimensions, resizeObserver }) {
const store = useStoreApi();
const nodeRef = react.useRef(null);
const observedNode = react.useRef(null);
const prevSourcePosition = react.useRef(node.sourcePosition);
const prevTargetPosition = react.useRef(node.targetPosition);
const prevType = react.useRef(nodeType);
const isInitialized = hasDimensions && !!node.internals.handleBounds;
react.useEffect(() => {
if (nodeRef.current && !node.hidden && (!isInitialized || observedNode.current !== nodeRef.current)) {
if (observedNode.current) {
resizeObserver?.unobserve(observedNode.current);
}
resizeObserver?.observe(nodeRef.current);
observedNode.current = nodeRef.current;
}
}, [isInitialized, node.hidden]);
react.useEffect(() => {
return () => {
if (observedNode.current) {
resizeObserver?.unobserve(observedNode.current);
observedNode.current = null;
}
};
}, []);
react.useEffect(() => {
if (nodeRef.current) {
const typeChanged = prevType.current !== nodeType;
const sourcePosChanged = prevSourcePosition.current !== node.sourcePosition;
const targetPosChanged = prevTargetPosition.current !== node.targetPosition;
if (typeChanged || sourcePosChanged || targetPosChanged) {
prevType.current = nodeType;
prevSourcePosition.current = node.sourcePosition;
prevTargetPosition.current = node.targetPosition;
store.getState().updateNodeInternals( new Map([[node.id, { id: node.id, nodeElement: nodeRef.current, force: true }]]));
}
}
}, [node.id, nodeType, node.sourcePosition, node.targetPosition]);
return nodeRef;
}
function NodeWrapper({ id, onClick, onMouseEnter, onMouseMove, onMouseLeave, onContextMenu, onDoubleClick, nodesDraggable, elementsSelectable, nodesConnectable, nodesFocusable, resizeObserver, noDragClassName, noPanClassName, disableKeyboardA11y, rfId, nodeTypes, nodeExtent, nodeClickDistance, onError }) {
const { node, internals, isParent } = useStore((s) => {
const node2 = s.nodeLookup.get(id);
const isParent2 = s.parentLookup.has(id);
return {
node: node2,
internals: node2.internals,
isParent: isParent2
};
}, shallow.shallow);
let nodeType = node.type || "default";
let NodeComponent = nodeTypes?.[nodeType] || builtinNodeTypes[nodeType];
if (NodeComponent === void 0) {
onError?.("003", system.errorMessages["error003"](nodeType));
nodeType = "default";
NodeComponent = builtinNodeTypes.default;
}
const isDraggable = !!(node.draggable || nodesDraggable && typeof node.draggable === "undefined");
const isSelectable = !!(node.selectable || elementsSelectable && typeof node.selectable === "undefined");
const isConnectable = !!(node.connectable || nodesConnectable && typeof node.connectable === "undefined");
const isFocusable = !!(node.focusable || nodesFocusable && typeof node.focusable === "undefined");
const store = useStoreApi();
const hasDimensions = system.nodeHasDimensions(node);
const nodeRef = useNodeObserver({ node, nodeType, hasDimensions, resizeObserver });
const dragging = useDrag({
nodeRef,
disabled: node.hidden || !isDraggable,
noDragClassName,
handleSelector: node.dragHandle,
nodeId: id,
isSelectable,
nodeClickDistance
});
const moveSelectedNodes = useMoveSelectedNodes();
if (node.hidden) {
return null;
}
const nodeDimensions = system.getNodeDimensions(node);
const inlineDimensions = getNodeInlineStyleDimensions(node);
const hasPointerEvents = isSelectable || isDraggable || onClick || onMouseEnter || onMouseMove || onMouseLeave;
const onMouseEnterHandler = onMouseEnter ? (event) => onMouseEnter(event, { ...internals.userNode }) : void 0;
const onMouseMoveHandler = onMouseMove ? (event) => onMouseMove(event, { ...internals.userNode }) : void 0;
const onMouseLeaveHandler = onMouseLeave ? (event) => onMouseLeave(event, { ...internals.userNode }) : void 0;
const onContextMenuHandler = onContextMenu ? (event) => onContextMenu(event, { ...internals.userNode }) : void 0;
const onDoubleClickHandler = onDoubleClick ? (event) => onDoubleClick(event, { ...internals.userNode }) : void 0;
const onSelectNodeHandler = (event) => {
const { selectNodesOnDrag, nodeDragThreshold } = store.getState();
if (isSelectable && (!selectNodesOnDrag || !isDraggable || nodeDragThreshold > 0)) {
handleNodeClick({
id,
store,
nodeRef
});
}
if (onClick) {
onClick(event, { ...internals.userNode });
}
};
const onKeyDown = (event) => {
if (system.isInputDOMNode(event.nativeEvent) || disableKeyboardA11y) {
return;
}
if (system.elementSelectionKeys.includes(event.key) && isSelectable) {
const unselect = event.key === "Escape";
handleNodeClick({
id,
store,
unselect,
nodeRef
});
} else if (isDraggable && node.selected && Object.prototype.hasOwnProperty.call(arrowKeyDiffs, event.key)) {
event.preventDefault();
store.setState({
ariaLiveMessage: `Moved selected node ${event.key.replace("Arrow", "").toLowerCase()}. New position, x: ${~~internals.positionAbsolute.x}, y: ${~~internals.positionAbsolute.y}`
});
moveSelectedNodes({
direction: arrowKeyDiffs[event.key],
factor: event.shiftKey ? 4 : 1
});
}
};
return jsxRuntime.jsx("div", { className: cc([
"react-flow__node",
`react-flow__node-${nodeType}`,
{
[noPanClassName]: isDraggable
},
node.className,
{
selected: node.selected,
selectable: isSelectable,
parent: isParent,
draggable: isDraggable,
dragging
}
]), ref: nodeRef, style: {
zIndex: internals.z,
transform: `translate(${internals.positionAbsolute.x}px,${internals.positionAbsolute.y}px)`,
pointerEvents: hasPointerEvents ? "all" : "none",
visibility: hasDimensions ? "visible" : "hidden",
...node.style,
...inlineDimensions
}, "data-id": id, "data-testid": `rf__node-${id}`, onMouseEnter: onMouseEnterHandler, onMouseMove: onMouseMoveHandler, onMouseLeave: onMouseLeaveHandler, onContextMenu: onContextMenuHandler, onClick: onSelectNodeHandler, onDoubleClick: onDoubleClickHandler, onKeyDown: isFocusable ? onKeyDown : void 0, tabIndex: isFocusable ? 0 : void 0, role: isFocusable ? "button" : void 0, "aria-describedby": disableKeyboardA11y ? void 0 : `${ARIA_NODE_DESC_KEY}-${rfId}`, "aria-label": node.ariaLabel, children: jsxRuntime.jsx(Provider, { value: id, children: jsxRuntime.jsx(NodeComponent, { id, data: node.data, type: nodeType, positionAbsoluteX: internals.positionAbsolute.x, positionAbsoluteY: internals.positionAbsolute.y, selected: node.selected, selectable: isSelectable, draggable: isDraggable, deletable: node.deletable ?? true, isConnectable, sourcePosition: node.sourcePosition, targetPosition: node.targetPosition, dragging, dragHandle: node.dragHandle, zIndex: internals.z, parentId: node.parentId, ...nodeDimensions }) }) });
}
var selector$b = (s) => ({
nodesDraggable: s.nodesDraggable,
nodesConnectable: s.nodesConnectable,
nodesFocusable: s.nodesFocusable,
elementsSelectable: s.elementsSelectable,
onError: s.onError
});
function NodeRendererComponent(props) {
const { nodesDraggable, nodesConnectable, nodesFocusable, elementsSelectable, onError } = useStore(selector$b, shallow.shallow);
const nodeIds = useVisibleNodeIds(props.onlyRenderVisibleElements);
const resizeObserver = useResizeObserver();
return jsxRuntime.jsx("div", { className: "react-flow__nodes", style: containerStyle, children: nodeIds.map((nodeId) => {
return (
jsxRuntime.jsx(NodeWrapper, { id: nodeId, nodeTypes: props.nodeTypes, nodeExtent: props.nodeExtent, onClick: props.onNodeClick, onMouseEnter: props.onNodeMouseEnter, onMouseMove: props.onNodeMouseMove, onMouseLeave: props.onNodeMouseLeave, onContextMenu: props.onNodeContextMenu, onDoubleClick: props.onNodeDoubleClick, noDragClassName: props.noDragClassName, noPanClassName: props.noPanClassName, rfId: props.rfId, disableKeyboardA11y: props.disableKeyboardA11y, resizeObserver, nodesDraggable, nodesConnectable, nodesFocusable, elementsSelectable, nodeClickDistance: props.nodeClickDistance, onError }, nodeId)
);
}) });
}
NodeRendererComponent.displayName = "NodeRenderer";
var NodeRenderer = react.memo(NodeRendererComponent);
function useVisibleEdgeIds(onlyRenderVisible) {
const edgeIds = useStore(react.useCallback((s) => {
if (!onlyRenderVisible) {
return s.edges.map((edge) => edge.id);
}
const visibleEdgeIds = [];
if (s.width && s.height) {
for (const edge of s.edges) {
const sourceNode = s.nodeLookup.get(edge.source);
const targetNode = s.nodeLookup.get(edge.target);
if (sourceNode && targetNode && system.isEdgeVisible({
sourceNode,
targetNode,
width: s.width,
height: s.height,
transform: s.transform
})) {
visibleEdgeIds.push(edge.id);
}
}
}
return visibleEdgeIds;
}, [onlyRenderVisible]), shallow.shallow);
return edgeIds;
}
var ArrowSymbol = ({ color = "none", strokeWidth = 1 }) => {
return jsxRuntime.jsx("polyline", { style: {
stroke: color,
strokeWidth
}, strokeLinecap: "round", strokeLinejoin: "round", fill: "none", points: "-5,-4 0,0 -5,4" });
};
var ArrowClosedSymbol = ({ color = "none", strokeWidth = 1 }) => {
return jsxRuntime.jsx("polyline", { style: {
stroke: color,
fill: color,
strokeWidth
}, strokeLinecap: "round", strokeLinejoin: "round", points: "-5,-4 0,0 -5,4 -5,-4" });
};
var MarkerSymbols = {
[system.MarkerType.Arrow]: ArrowSymbol,
[system.MarkerType.ArrowClosed]: ArrowClosedSymbol
};
function useMarkerSymbol(type) {
const store = useStoreApi();
const symbol = react.useMemo(() => {
const symbolExists = Object.prototype.hasOwnProperty.call(MarkerSymbols, type);
if (!symbolExists) {
store.getState().onError?.("009", system.errorMessages["error009"](type));
return null;
}
return MarkerSymbols[type];
}, [type]);
return symbol;
}
var Marker = ({ id, type, color, width = 12.5, height = 12.5, markerUnits = "strokeWidth", strokeWidth, orient = "auto-start-reverse" }) => {
const Symbol = useMarkerSymbol(type);
if (!Symbol) {
return null;
}
return jsxRuntime.jsx("marker", { className: "react-flow__arrowhead", id, markerWidth: `${width}`, markerHeight: `${height}`, viewBox: "-10 -10 20 20", markerUnits, orient, refX: "0", refY: "0", children: jsxRuntime.jsx(Symbol, { color, strokeWidth }) });
};
var MarkerDefinitions = ({ defaultColor, rfId }) => {
const edges = useStore((s) => s.edges);
const defaultEdgeOptions = useStore((s) => s.defaultEdgeOptions);
const markers = react.useMemo(() => {
const markers2 = system.createMarkerIds(edges, {
id: rfId,
defaultColor,
defaultMarkerStart: defaultEdgeOptions?.markerStart,
defaultMarkerEnd: defaultEdgeOptions?.markerEnd
});
return markers2;
}, [edges, defaultEdgeOptions, rfId, defaultColor]);
if (!markers.length) {
return null;
}
return jsxRuntime.jsx("svg", { className: "react-flow__marker", children: jsxRuntime.jsx("defs", { children: markers.map((marker) => jsxRuntime.jsx(Marker, { id: marker.id, type: marker.type, color: marker.color, width: marker.width, height: marker.height, markerUnits: marker.markerUnits, strokeWidth: marker.strokeWidth, orient: marker.orient }, marker.id)) }) });
};
MarkerDefinitions.displayName = "MarkerDefinitions";
var MarkerDefinitions$1 = react.memo(MarkerDefinitions);
function EdgeTextComponent({ x, y, label, labelStyle = {}, labelShowBg = true, labelBgStyle = {}, labelBgPadding = [2, 4], labelBgBorderRadius = 2, children, className, ...rest }) {
const [edgeTextBbox, setEdgeTextBbox] = react.useState({ x: 1, y: 0, width: 0, height: 0 });
const edgeTextClasses = cc(["react-flow__edge-textwrapper", className]);
const edgeTextRef = react.useRef(null);
react.useEffect(() => {
if (edgeTextRef.current) {
const textBbox = edgeTextRef.current.getBBox();
setEdgeTextBbox({
x: textBbox.x,
y: textBbox.y,
width: textBbox.width,
height: textBbox.height
});
}
}, [label]);
if (typeof label === "undefined" || !label) {
return null;
}
return jsxRuntime.jsxs("g", { transform: `translate(${x - edgeTextBbox.width / 2} ${y - edgeTextBbox.height / 2})`, className: edgeTextClasses, visibility: edgeTextBbox.width ? "visible" : "hidden", ...rest, children: [labelShowBg && jsxRuntime.jsx("rect", { width: edgeTextBbox.width + 2 * labelBgPadding[0], x: -labelBgPadding[0], y: -labelBgPadding[1], height: edgeTextBbox.height + 2 * labelBgPadding[1], className: "react-flow__edge-textbg", style: labelBgStyle, rx: labelBgBorderRadius, ry: labelBgBorderRadius }), jsxRuntime.jsx("text", { className: "react-flow__edge-text", y: edgeTextBbox.height / 2, dy: "0.3em", ref: edgeTextRef, style: labelStyle, children: label }), children] });
}
EdgeTextComponent.displayName = "EdgeText";
var EdgeText = react.memo(EdgeTextComponent);
function BaseEdge({ path, labelX, labelY, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius, interactionWidth = 20, ...props }) {
return jsxRuntime.jsxs(jsxRuntime.Fragment, { children: [jsxRuntime.jsx("path", { ...props, d: path, fill: "none", className: cc(["react-flow__edge-path", props.className]) }), interactionWidth && jsxRuntime.jsx("path", { d: path, fill: "none", strokeOpacity: 0, strokeWidth: interactionWidth, className: "react-flow__edge-interaction" }), label && system.isNumeric(labelX) && system.isNumeric(labelY) ? jsxRuntime.jsx(EdgeText, { x: labelX, y: labelY, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius }) : null] });
}
function getControl({ pos, x1, y1, x2, y2 }) {
if (pos === system.Position.Left || pos === system.Position.Right) {
return [0.5 * (x1 + x2), y1];
}
return [x1, 0.5 * (y1 + y2)];
}
function getSimpleBezierPath({ sourceX, sourceY, sourcePosition = system.Position.Bottom, targetX, targetY, targetPosition = system.Position.Top }) {
const [sourceControlX, sourceControlY] = getControl({
pos: sourcePosition,
x1: sourceX,
y1: sourceY,
x2: targetX,
y2: targetY
});
const [targetControlX, targetControlY] = getControl({
pos: targetPosition,
x1: targetX,
y1: targetY,
x2: sourceX,
y2: sourceY
});
const [labelX, labelY, offsetX, offsetY] = system.getBezierEdgeCenter({
sourceX,
sourceY,
targetX,
targetY,
sourceControlX,
sourceControlY,
targetControlX,
targetControlY
});
return [
`M${sourceX},${sourceY} C${sourceControlX},${sourceControlY} ${targetControlX},${targetControlY} ${targetX},${targetY}`,
labelX,
labelY,
offsetX,
offsetY
];
}
function createSimpleBezierEdge(params) {
return react.memo(({ id, sourceX, sourceY, targetX, targetY, sourcePosition = system.Position.Bottom, targetPosition = system.Position.Top, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius, style: style2, markerEnd, markerStart, interactionWidth }) => {
const [path, labelX, labelY] = getSimpleBezierPath({
sourceX,
sourceY,
sourcePosition,
targetX,
targetY,
targetPosition
});
const _id = params.isInternal ? void 0 : id;
return jsxRuntime.jsx(BaseEdge, { id: _id, path, labelX, labelY, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius, style: style2, markerEnd, markerStart, interactionWidth });
});
}
var SimpleBezierEdge = createSimpleBezierEdge({ isInternal: false });
var SimpleBezierEdgeInternal = createSimpleBezierEdge({ isInternal: true });
SimpleBezierEdge.displayName = "SimpleBezierEdge";
SimpleBezierEdgeInternal.displayName = "SimpleBezierEdgeInternal";
function createSmoothStepEdge(params) {
return react.memo(({ id, sourceX, sourceY, targetX, targetY, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius, style: style2, sourcePosition = system.Position.Bottom, targetPosition = system.Position.Top, markerEnd, markerStart, pathOptions, interactionWidth }) => {
const [path, labelX, labelY] = system.getSmoothStepPath({
sourceX,
sourceY,
sourcePosition,
targetX,
targetY,
targetPosition,
borderRadius: pathOptions?.borderRadius,
offset: pathOptions?.offset
});
const _id = params.isInternal ? void 0 : id;
return jsxRuntime.jsx(BaseEdge, { id: _id, path, labelX, labelY, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius, style: style2, markerEnd, markerStart, interactionWidth });
});
}
var SmoothStepEdge = createSmoothStepEdge({ isInternal: false });
var SmoothStepEdgeInternal = createSmoothStepEdge({ isInternal: true });
SmoothStepEdge.displayName = "SmoothStepEdge";
SmoothStepEdgeInternal.displayName = "SmoothStepEdgeInternal";
function createStepEdge(params) {
return react.memo(({ id, ...props }) => {
const _id = params.isInternal ? void 0 : id;
return jsxRuntime.jsx(SmoothStepEdge, { ...props, id: _id, pathOptions: react.useMemo(() => ({ borderRadius: 0, offset: props.pathOptions?.offset }), [props.pathOptions?.offset]) });
});
}
var StepEdge = createStepEdge({ isInternal: false });
var StepEdgeInternal = createStepEdge({ isInternal: true });
StepEdge.displayName = "StepEdge";
StepEdgeInternal.displayName = "StepEdgeInternal";
function createStraightEdge(params) {
return react.memo(({ id, sourceX, sourceY, targetX, targetY, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius, style: style2, markerEnd, markerStart, interactionWidth }) => {
const [path, labelX, labelY] = system.getStraightPath({ sourceX, sourceY, targetX, targetY });
const _id = params.isInternal ? void 0 : id;
return jsxRuntime.jsx(BaseEdge, { id: _id, path, labelX, labelY, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius, style: style2, markerEnd, markerStart, interactionWidth });
});
}
var StraightEdge = createStraightEdge({ isInternal: false });
var StraightEdgeInternal = createStraightEdge({ isInternal: true });
StraightEdge.displayName = "StraightEdge";
StraightEdgeInternal.displayName = "StraightEdgeInternal";
function createBezierEdge(params) {
return react.memo(({ id, sourceX, sourceY, targetX, targetY, sourcePosition = system.Position.Bottom, targetPosition = system.Position.Top, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius, style: style2, markerEnd, markerStart, pathOptions, interactionWidth }) => {
const [path, labelX, labelY] = system.getBezierPath({
sourceX,
sourceY,
sourcePosition,
targetX,
targetY,
targetPosition,
curvature: pathOptions?.curvature
});
const _id = params.isInternal ? void 0 : id;
return jsxRuntime.jsx(BaseEdge, { id: _id, path, labelX, labelY, label, labelStyle, labelShowBg, labelBgStyle, labelBgPadding, labelBgBorderRadius, style: style2, markerEnd, markerStart, interactionWidth });
});
}
var BezierEdge = createBezierEdge({ isInternal: false });
var BezierEdgeInternal = createBezierEdge({ isInternal: true });
BezierEdge.displayName = "BezierEdge";
BezierEdgeInternal.displayName = "BezierEdgeInternal";
var builtinEdgeTypes = {
default: BezierEdgeInternal,
straight: StraightEdgeInternal,
step: StepEdgeInternal,
smoothstep: SmoothStepEdgeInternal,
simplebezier: SimpleBezierEdgeInternal
};
var nullPosition = {
sourceX: null,
sourceY: null,
targetX: null,
targetY: null,
sourcePosition: null,
targetPosition: null
};
var shiftX = (x, shift, position) => {
if (position === system.Position.Left)
return x - shift;
if (position === system.Position.Right)
return x + shift;
return x;
};
var shiftY = (y, shift, position) => {
if (position === system.Position.Top)
return y - shift;
if (position === system.Position.Bottom)
return y + shift;
return y;
};
var EdgeUpdaterClassName = "react-flow__edgeupdater";
function EdgeAnchor({ position, centerX, centerY, radius = 10, onMouseDown, onMouseEnter, onMouseOut, type }) {
return jsxRuntime.jsx("circle", { onMouseDown, onMouseEnter, onMouseOut, className: cc([EdgeUpdaterClassName, `${EdgeUpdaterClassName}-${type}`]), cx: shiftX(centerX, radius, position), cy: shiftY(centerY, radius, position), r: radius, stroke: "transparent", fill: "transparent" });
}
function EdgeUpdateAnchors({ isReconnectable, reconnectRadius, edge, sourceX, sourceY, targetX, targetY, sourcePosition, targetPosition, onReconnect, onReconnectStart, onReconnectEnd, setReconnecting, setUpdateHover }) {
const store = useStoreApi();
const handleEdgeUpdater = (event, oppositeHandle) => {
if (event.button !== 0) {
return;
}
const { autoPanOnConnect, domNode, isValidConnection, connectionMode, connectionRadius, lib, onConnectStart, onConnectEnd, cancelConnection, nodeLookup, rfId: flowId, panBy: panBy2, updateConnection } = store.getState();
const isTarget = oppositeHandle.type === "target";
setReconnecting(true);
onReconnectStart?.(event, edge, oppositeHandle.type);
const _onReconnectEnd = (evt, connectionState) => {
setReconnecting(false);
onReconnectEnd?.(evt, edge, oppositeHandle.type, connectionState);
};
const onConnectEdge = (connection) => onReconnect?.(edge, connection);
system.XYHandle.onPointerDown(event.nativeEvent, {
autoPanOnConnect,
connectionMode,
connectionRadius,
domNode,
handleId: oppositeHandle.id,
nodeId: oppositeHandle.nodeId,
nodeLookup,
isTarget,
edgeUpdaterType: oppositeHandle.type,
lib,
flowId,
cancelConnection,
panBy: panBy2,
isValidConnection,
onConnect: onConnectEdge,
onConnectStart,
onConnectEnd,
onReconnectEnd: _onReconnectEnd,
updateConnection,
getTransform: () => store.getState().transform,
getFromHandle: () => store.getState().connection.fromHandle
});
};
const onReconnectSourceMouseDown = (event) => handleEdgeUpdater(event, { nodeId: edge.target, id: edge.targetHandle ?? null, type: "target" });
const onReconnectTargetMouseDown = (event) => handleEdgeUpdater(event, { nodeId: edge.source, id: edge.sourceHandle ?? null, type: "source" });
const onReconnectMouseEnter = () => setUpdateHover(true);
const onReconnectMouseOut = () => setUpdateHover(false);
return jsxRuntime.jsxs(jsxRuntime.Fragment, { children: [(isReconnectable === true || isReconnectable === "source") && jsxRuntime.jsx(EdgeAnchor, { position: sourcePosition, centerX: sourceX, centerY: sourceY, radius: reconnectRadius, onMouseDown: onReconnectSourceMouseDown, onMouseEnter: onReconnectMouseEnter, onMouseOut: onReconnectMouseOut, type: "source" }), (isReconnectable === true || isReconnectable === "target") && jsxRuntime.jsx(EdgeAnchor, { position: targetPosition, centerX: targetX, centerY: targetY, radius: reconnectRadius, onMouseDown: onReconnectTargetMouseDown, onMouseEnter: onReconnectMouseEnter, onMouseOut: onReconnectMouseOut, type: "target" })] });
}
function EdgeWrapper({ id, edgesFocusable, edgesReconnectable, elementsSelectable, onClick, onDoubleClick, onContextMenu, onMouseEnter, onMouseMove, onMouseLeave, reconnectRadius, onReconnect, onReconnectStart, onReconnectEnd, rfId, edgeTypes, noPanClassName, onError, disableKeyboardA11y }) {
let edge = useStore((s) => s.edgeLookup.get(id));
const defaultEdgeOptions = useStore((s) => s.defaultEdgeOptions);
edge = defaultEdgeOptions ? { ...defaultEdgeOptions, ...edge } : edge;
let edgeType = edge.type || "default";
let EdgeComponent = edgeTypes?.[edgeType] || builtinEdgeTypes[edgeType];
if (EdgeComponent === void 0) {
onError?.("011", system.errorMessages["error011"](edgeType));
edgeType = "default";
EdgeComponent = builtinEdgeTypes.default;
}
const isFocusable = !!(edge.focusable || edgesFocusable && typeof edge.focusable === "undefined");
const isReconnectable = typeof onReconnect !== "undefined" && (edge.reconnectable || edgesReconnectable && typeof edge.reconnectable === "undefined");
const isSelectable = !!(edge.selectable || elementsSelectable && typeof edge.selectable === "undefined");
const edgeRef = react.useRef(null);
const [updateHover, setUpdateHover] = react.useState(false);
const [reconnecting, setReconnecting] = react.useState(false);
const store = useStoreApi();
const { zIndex, sourceX, sourceY, targetX, targetY, sourcePosition, targetPosition } = useStore(react.useCallback((store2) => {
const sourceNode = store2.nodeLookup.get(edge.source);
const targetNode = store2.nodeLookup.get(edge.target);
if (!sourceNode || !targetNode) {
return {
zIndex: edge.zIndex,
...nullPosition
};
}
const edgePosition = system.getEdgePosition({
id,
sourceNode,
targetNode,
sourceHandle: edge.sourceHandle || null,
targetHandle: edge.targetHandle || null,
connectionMode: store2.connectionMode,
onError
});
const zIndex2 = system.getElevatedEdgeZIndex({
selected: edge.selected,
zIndex: edge.zIndex,
sourceNode,
targetNode,
elevateOnSelect: store2.elevateEdgesOnSelect
});
return {
zIndex: zIndex2,
...edgePosition || nullPosition
};
}, [edge.source, edge.target, edge.sourceHandle, edge.targetHandle, edge.selected, edge.zIndex]), shallow.shallow);
const markerStartUrl = react.useMemo(() => edge.markerStart ? `url('#${system.getMarkerId(edge.markerStart, rfId)}')` : void 0, [edge.markerStart, rfId]);
const markerEndUrl = react.useMemo(() => edge.markerEnd ? `url('#${system.getMarkerId(edge.markerEnd, rfId)}')` : void 0, [edge.markerEnd, rfId]);
if (edge.hidden || sourceX === null || sourceY === null || targetX === null || targetY === null) {
return null;
}
const onEdgeClick = (event) => {
const { addSelectedEdges, unselectNodesAndEdges, multiSelectionActive } = store.getState();
if (isSelectable) {
store.setState({ nodesSelectionActive: false });
if (edge.selected && multiSelectionActive) {
unselectNodesAndEdges({ nodes: [], edges: [edge] });
edgeRef.current?.blur();
} else {
addSelectedEdges([id]);
}
}
if (onClick) {
onClick(event, edge);
}
};
const onEdgeDoubleClick = onDoubleClick ? (event) => {
onDoubleClick(event, { ...edge });
} : void 0;
const onEdgeContextMenu = onContextMenu ? (event) => {
onContextMenu(event, { ...edge });
} : void 0;
const onEdgeMouseEnter = onMouseEnter ? (event) => {
onMouseEnter(event, { ...edge });
} : void 0;
const onEdgeMouseMove = onMouseMove ? (event) => {
onMouseMove(event, { ...edge });
} : void 0;
const onEdgeMouseLeave = onMouseLeave ? (event) => {
onMouseLeave(event, { ...edge });
} : void 0;
const onKeyDown = (event) => {
if (!disableKeyboardA11y && system.elementSelectionKeys.includes(event.key) && isSelectable) {
const { unselectNodesAndEdges, addSelectedEdges } = store.getState();
const unselect = event.key === "Escape";
if (unselect) {
edgeRef.current?.blur();
unselectNodesAndEdges({ edges: [edge] });
} else {
addSelectedEdges([id]);
}
}
};
return jsxRuntime.jsx("svg", { style: { zIndex }, children: jsxRuntime.jsxs("g", { className: cc([
"react-flow__edge",
`react-flow__edge-${edgeType}`,
edge.className,
noPanClassName,
{
selected: edge.selected,
animated: edge.animated,
inactive: !isSelectable && !onClick,
updating: updateHover,
selectable: isSelectable
}
]), onClick: onEdgeClick, onDoubleClick: onEdgeDoubleClick, onContextMenu: onEdgeContextMenu, onMouseEnter: onEdgeMouseEnter, onMouseMove: onEdgeMouseMove, onMouseLeave: onEdgeMouseLeave, onKeyDown: isFocusable ? onKeyDown : void 0, tabIndex: isFocusable ? 0 : void 0, role: isFocusable ? "button" : "img", "data-id": id, "data-testid": `rf__edge-${id}`, "aria-label": edge.ariaLabel === null ? void 0 : edge.ariaLabel || `Edge from ${edge.source} to ${edge.target}`, "aria-describedby": isFocusable ? `${ARIA_EDGE_DESC_KEY}-${rfId}` : void 0, ref: edgeRef, children: [!reconnecting && jsxRuntime.jsx(EdgeComponent, { id, source: edge.source, target: edge.target, type: edge.type, selected: edge.selected, animated: edge.animated, selectable: isSelectable, deletable: edge.deletable ?? true, label: edge.label, labelStyle: edge.labelStyle, labelShowBg: edge.labelShowBg, labelBgStyle: edge.labelBgStyle, labelBgPadding: edge.labelBgPadding, labelBgBorderRadius: edge.labelBgBorderRadius, sourceX, sourceY, targetX, targetY, sourcePosition, targetPosition, data: edge.data, style: edge.style, sourceHandleId: edge.sourceHandle, targetHandleId: edge.targetHandle, markerStart: markerStartUrl, markerEnd: markerEndUrl, pathOptions: "pathOptions" in edge ? edge.pathOptions : void 0, interactionWidth: edge.interactionWidth }), isReconnectable && jsxRuntime.jsx(EdgeUpdateAnchors, { edge, isReconnectable, reconnectRadius, onReconnect, onReconnectStart, onReconnectEnd, sourceX, sourceY, targetX, targetY, sourcePosition, targetPosition, setUpdateHover, setReconnecting })] }) });
}
var selector$a = (s) => ({
edgesFocusable: s.edgesFocusable,
edgesReconnectable: s.edgesReconnectable,
elementsSelectable: s.elementsSelectable,
connectionMode: s.connectionMode,
onError: s.onError
});
function EdgeRendererComponent({ defaultMarkerColor, onlyRenderVisibleElements, rfId, edgeTypes, noPanClassName, onReconnect, onEdgeContextMenu, onEdgeMouseEnter, onEdgeMouseMove, onEdgeMouseLeave, onEdgeClick, reconnectRadius, onEdgeDoubleClick, onReconnectStart, onReconnectEnd, disableKeyboardA11y }) {
const { edgesFocusable, edgesReconnectable, elementsSelectable, onError } = useStore(selector$a, shallow.shallow);
const edgeIds = useVisibleEdgeIds(onlyRenderVisibleElements);
return jsxRuntime.jsxs("div", { className: "react-flow__edges", children: [jsxRuntime.jsx(MarkerDefinitions$1, { defaultColor: defaultMarkerColor, rfId }), edgeIds.map((id) => {
return jsxRuntime.jsx(EdgeWrapper, { id, edgesFocusable, edgesReconnectable, elementsSelectable, noPanClassName, onReconnect, onContextMenu: onEdgeContextMenu, onMouseEnter: onEdgeMouseEnter, onMouseMove: onEdgeMouseMove, onMouseLeave: onEdgeMouseLeave, onClick: onEdgeClick, reconnectRadius, onDoubleClick: onEdgeDoubleClick, onReconnectStart, onReconnectEnd, rfId, onError, edgeTypes, disableKeyboardA11y }, id);
})] });
}
EdgeRendererComponent.displayName = "EdgeRenderer";
var EdgeRenderer = react.memo(EdgeRendererComponent);
var selector$9 = (s) => `translate(${s.transform[0]}px,${s.transform[1]}px) scale(${s.transform[2]})`;
function Viewport({ children }) {
const transform = useStore(selector$9);
return jsxRuntime.jsx("div", { className: "react-flow__viewport xyflow__viewport react-flow__container", style: { transform }, children });
}
function useOnInitHandler(onInit) {
const rfInstance = useReactFlow();
const isInitialized = react.useRef(false);
react.useEffect(() => {
if (!isInitialized.current && rfInstance.viewportInitialized && onInit) {
setTimeout(() => onInit(rfInstance), 1);
isInitialized.current = true;
}
}, [onInit, rfInstance.viewportInitialized]);
}
var selector$8 = (state) => state.panZoom?.syncViewport;
function useViewportSync(viewport) {
const syncViewport = useStore(selector$8);
const store = useStoreApi();
react.useEffect(() => {
if (viewport) {
syncViewport?.(viewport);
store.setState({ transform: [viewport.x, viewport.y, viewport.zoom] });
}
}, [viewport, syncViewport]);
return null;
}
function storeSelector$1(s) {
return s.connection.inProgress ? { ...s.connection, to: system.pointToRendererPoint(s.connection.to, s.transform) } : { ...s.connection };
}
function getSelector(connectionSelector) {
if (connectionSelector) {
const combinedSelector = (s) => {
const connection = storeSelector$1(s);
return connectionSelector(connection);
};
return combinedSelector;
}
return storeSelector$1;
}
function useConnection(connectionSelector) {
const combinedSelector = getSelector(connectionSelector);
return useStore(combinedSelector, shallow.shallow);
}
var selector$7 = (s) => ({
nodesConnectable: s.nodesConnectable,
isValid: s.connection.isValid,
inProgress: s.connection.inProgress,
width: s.width,
height: s.height
});
function ConnectionLineWrapper({ containerStyle: containerStyle2, style: style2, type, component }) {
const { nodesConnectable, width, height, isValid, inProgress } = useStore(selector$7, shallow.shallow);
const renderConnection = !!(width && nodesConnectable && inProgress);
if (!renderConnection) {
return null;
}
return jsxRuntime.jsx("svg", { style: containerStyle2, width, height, className: "react-flow__connectionline react-flow__container", children: jsxRuntime.jsx("g", { className: cc(["react-flow__connection", system.getConnectionStatus(isValid)]), children: jsxRuntime.jsx(ConnectionLine, { style: style2, type, CustomComponent: component, isValid }) }) });
}
var ConnectionLine = ({ style: style2, type = system.ConnectionLineType.Bezier, CustomComponent, isValid }) => {
const { inProgress, from, fromNode, fromHandle, fromPosition, to, toNode, toHandle, toPosition } = useConnection();
if (!inProgress) {
return;
}
if (CustomComponent) {
return jsxRuntime.jsx(CustomComponent, { connectionLineType: type, connectionLineStyle: style2, fromNode, fromHandle, fromX: from.x, fromY: from.y, toX: to.x, toY: to.y, fromPosition, toPosition, connectionStatus: system.getConnectionStatus(isValid), toNode, toHandle });
}
let path = "";
const pathParams = {
sourceX: from.x,
sourceY: from.y,
sourcePosition: fromPosition,
targetX: to.x,
targetY: to.y,
targetPosition: toPosition
};
switch (type) {
case system.ConnectionLineType.Bezier:
[path] = system.getBezierPath(pathParams);
break;
case system.ConnectionLineType.SimpleBezier:
[path] = getSimpleBezierPath(pathParams);
break;
case system.ConnectionLineType.Step:
[path] = system.getSmoothStepPath({
...pathParams,
borderRadius: 0
});
break;
case system.ConnectionLineType.SmoothStep:
[path] = system.getSmoothStepPath(pathParams);
break;
default:
[path] = system.getStraightPath(pathParams);
}
return jsxRuntime.jsx("path", { d: path, fill: "none", className: "react-flow__connection-path", style: style2 });
};
ConnectionLine.displayName = "ConnectionLine";
var emptyTypes = {};
function useNodeOrEdgeTypesWarning(nodeOrEdgeTypes = emptyTypes) {
const typesRef = react.useRef(nodeOrEdgeTypes);
const store = useStoreApi();
react.useEffect(() => {
{
const usedKeys = new Set([...Object.keys(typesRef.current), ...Object.keys(nodeOrEdgeTypes)]);
for (const key of usedKeys) {
if (typesRef.current[key] !== nodeOrEdgeTypes[key]) {
store.getState().onError?.("002", system.errorMessages["error002"]());
break;
}
}
typesRef.current = nodeOrEdgeTypes;
}
}, [nodeOrEdgeTypes]);
}
function useStylesLoadedWarning() {
const store = useStoreApi();
const checked = react.useRef(false);
react.useEffect(() => {
{
if (!checked.current) {
const pane = document.querySelector(".react-flow__pane");
if (pane && !(window.getComputedStyle(pane).zIndex === "1")) {
store.getState().onError?.("013", system.errorMessages["error013"]("react"));
}
checked.current = true;
}
}
}, []);
}
function GraphViewComponent({ nodeTypes, edgeTypes, onInit, onNodeClick, onEdgeClick, onNodeDoubleClick, onEdgeDoubleClick, onNodeMouseEnter, onNodeMouseMove, onNodeMouseLeave, onNodeContextMenu, onSelectionContextMenu, onSelectionStart, onSelectionEnd, connectionLineType, connectionLineStyle, connectionLineComponent, connectionLineContainerStyle, selectionKeyCode, selectionOnDrag, selectionMode, multiSelectionKeyCode, panActivationKeyCode, zoomActivationKeyCode, deleteKeyCode, onlyRenderVisibleElements, elementsSelectable, defaultViewport: defaultViewport2, translateExtent, minZoom, maxZoom, preventScrolling, defaultMarkerColor, zoomOnScroll, zoomOnPinch, panOnScroll, panOnScrollSpeed, panOnScrollMode, zoomOnDoubleClick, panOnDrag, onPaneClick, onPaneMouseEnter, onPaneMouseMove, onPaneMouseLeave, onPaneScroll, onPaneContextMenu, paneClickDistance, nodeClickDistance, onEdgeContextMenu, onEdgeMouseEnter, onEdgeMouseMove, onEdgeMouseLeave, reconnectRadius, onReconnect, onReconnectStart, onReconnectEnd, noDragClassName, noWheelClassName, noPanClassName, disableKeyboardA11y, nodeExtent, rfId, viewport, onViewportChange }) {
useNodeOrEdgeTypesWarning(nodeTypes);
useNodeOrEdgeTypesWarning(edgeTypes);
useStylesLoadedWarning();
useOnInitHandler(onInit);
useViewportSync(viewport);
return jsxRuntime.jsx(FlowRenderer, { onPaneClick, onPaneMouseEnter, onPaneMouseMove, onPaneMouseLeave, onPaneContextMenu, onPaneScroll, paneClickDistance, deleteKeyCode, selectionKeyCode, selectionOnDrag, selectionMode, onSelectionStart, onSelectionEnd, multiSelectionKeyCode, panActivationKeyCode, zoomActivationKeyCode, elementsSelectable, zoomOnScroll, zoomOnPinch, zoomOnDoubleClick, panOnScroll, panOnScrollSpeed, panOnScrollMode, panOnDrag, defaultViewport: defaultViewport2, translateExtent, minZoom, maxZoom, onSelectionContextMenu, preventScrolling, noDragClassName, noWheelClassName, noPanClassName, disableKeyboardA11y, onViewportChange, isControlledViewport: !!viewport, children: jsxRuntime.jsxs(Viewport, { children: [jsxRuntime.jsx(EdgeRenderer, { edgeTypes, onEdgeClick, onEdgeDoubleClick, onReconnect, onReconnectStart, onReconnectEnd, onlyRenderVisibleElements, onEdgeContextMenu, onEdgeMouseEnter, onEdgeMouseMove, onEdgeMouseLeave, reconnectRadius, defaultMarkerColor, noPanClassName, disableKeyboardA11y, rfId }), jsxRuntime.jsx(ConnectionLineWrapper, { style: connectionLineStyle, type: connectionLineType, component: connectionLineComponent, containerStyle: connectionLineContainerStyle }), jsxRuntime.jsx("div", { className: "react-flow__edgelabel-renderer" }), jsxRuntime.jsx(NodeRenderer, { nodeTypes, onNodeClick, onNodeDoubleClick, onNodeMouseEnter, onNodeMouseMove, onNodeMouseLeave, onNodeContextMenu, nodeClickDistance, onlyRenderVisibleElements, noPanClassName, noDragClassName, disableKeyboardA11y, nodeExtent, rfId }), jsxRuntime.jsx("div", { className: "react-flow__viewport-portal" })] }) });
}
GraphViewComponent.displayName = "GraphView";
var GraphView = react.memo(GraphViewComponent);
var getInitialState = ({ nodes, edges, defaultNodes, defaultEdges, width, height, fitView: fitView2, nodeOrigin, nodeExtent } = {}) => {
const nodeLookup = new Map();
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 ?? system.infiniteExtent;
system.updateConnectionLookup(connectionLookup, edgeLookup, storeEdges);
system.adoptUserNodes(storeNodes, nodeLookup, parentLookup, {
nodeOrigin: storeNodeOrigin,
nodeExtent: storeNodeExtent,
elevateNodesOnSelect: false
});
let transform = [0, 0, 1];
if (fitView2 && width && height) {
const bounds = system.getInternalNodesBounds(nodeLookup, {
filter: (node) => !!((node.width || node.initialWidth) && (node.height || node.initialHeight))
});
const { x, y, zoom } = system.getViewportForBounds(bounds, width, height, 0.5, 2, 0.1);
transform = [x, y, zoom];
}
return {
rfId: "1",
width: 0,
height: 0,
transform,
nodes: storeNodes,
nodeLookup,
parentLookup,
edges: storeEdges,
edgeLookup,
connectionLookup,
onNodesChange: null,
onEdgesChange: null,
hasDefaultNodes: defaultNodes !== void 0,
hasDefaultEdges: defaultEdges !== void 0,
panZoom: null,
minZoom: 0.5,
maxZoom: 2,
translateExtent: system.infiniteExtent,
nodeExtent: storeNodeExtent,
nodesSelectionActive: false,
userSelectionActive: false,
userSelectionRect: null,
connectionMode: system.ConnectionMode.Strict,
domNode: null,
paneDragging: false,
noPanClassName: "nopan",
nodeOrigin: storeNodeOrigin,
nodeDragThreshold: 1,
snapGrid: [15, 15],
snapToGrid: false,
nodesDraggable: true,
nodesConnectable: true,
nodesFocusable: true,
edgesFocusable: true,
edgesReconnectable: true,
elementsSelectable: true,
elevateNodesOnSelect: true,
elevateEdgesOnSelect: false,
fitViewOnInit: false,
fitViewDone: false,
fitViewOnInitOptions: void 0,
selectNodesOnDrag: true,
multiSelectionActive: false,
connection: { ...system.initialConnection },
connectionClickStartHandle: null,
connectOnClick: true,
ariaLiveMessage: "",
autoPanOnConnect: true,
autoPanOnNodeDrag: true,
autoPanSpeed: 15,
connectionRadius: 20,
onError: system.devWarn,
isValidConnection: void 0,
onSelectionChangeHandlers: [],
lib: "react",
debug: false
};
};
var createStore = ({ nodes, edges, defaultNodes, defaultEdges, width, height, fitView: fitView$1, nodeOrigin, nodeExtent }) => traditional.createWithEqualityFn((set, get) => ({
...getInitialState({ nodes, edges, width, height, fitView: fitView$1, nodeOrigin, nodeExtent, defaultNodes, defaultEdges }),
setNodes: (nodes2) => {
const { nodeLookup, parentLookup, nodeOrigin: nodeOrigin2, elevateNodesOnSelect } = get();
system.adoptUserNodes(nodes2, nodeLookup, parentLookup, {
nodeOrigin: nodeOrigin2,
nodeExtent,
elevateNodesOnSelect,
checkEquality: true
});
set({ nodes: nodes2 });
},
setEdges: (edges2) => {
const { connectionLookup, edgeLookup } = get();
system.updateConnectionLookup(connectionLookup, edgeLookup, edges2);
set({ edges: edges2 });
},
setDefaultNodesAndEdges: (nodes2, edges2) => {
if (nodes2) {
const { setNodes } = get();
setNodes(nodes2);
set({ hasDefaultNodes: true });
}
if (edges2) {
const { setEdges } = get();
setEdges(edges2);
set({ hasDefaultEdges: true });
}
},
updateNodeInternals: (updates, params = { triggerFitView: true }) => {
const { triggerNodeChanges, nodeLookup, parentLookup, fitViewOnInit, fitViewDone, fitViewOnInitOptions, domNode, nodeOrigin: nodeOrigin2, nodeExtent: nodeExtent2, debug, fitViewSync } = get();
const { changes, updatedInternals } = system.updateNodeInternals(updates, nodeLookup, parentLookup, domNode, nodeOrigin2, nodeExtent2);
if (!updatedInternals) {
return;
}
system.updateAbsolutePositions(nodeLookup, parentLookup, { nodeOrigin: nodeOrigin2, nodeExtent: nodeExtent2 });
if (params.triggerFitView) {
let nextFitViewDone = fitViewDone;
if (!fitViewDone && fitViewOnInit) {
nextFitViewDone = fitViewSync({
...fitViewOnInitOptions,
nodes: fitViewOnInitOptions?.nodes
});
}
set({ fitViewDone: nextFitViewDone });
} else {
set({});
}
if (changes?.length > 0) {
if (debug) {
console.log("React Flow: trigger node changes", changes);
}
triggerNodeChanges?.(changes);
}
},
updateNodePositions: (nodeDragItems, dragging = false) => {
const parentExpandChildren = [];
const changes = [];
for (const [id, dragItem] of nodeDragItems) {
const expandParent = !!(dragItem?.expandParent && dragItem?.parentId && dragItem?.position);
const change = {
id,
type: "position",
position: expandParent ? {
x: Math.max(0, dragItem.position.x),
y: Math.max(0, dragItem.position.y)
} : dragItem.position,
dragging
};
if (expandParent) {
parentExpandChildren.push({
id,
parentId: dragItem.parentId,
rect: {
...dragItem.internals.positionAbsolute,
width: dragItem.measured.width,
height: dragItem.measured.height
}
});
}
changes.push(change);
}
if (parentExpandChildren.length > 0) {
const { nodeLookup, parentLookup, nodeOrigin: nodeOrigin2 } = get();
const parentExpandChanges = system.handleExpandParent(parentExpandChildren, nodeLookup, parentLookup, nodeOrigin2);
changes.push(...parentExpandChanges);
}
get().triggerNodeChanges(changes);
},
triggerNodeChanges: (changes) => {
const { onNodesChange, setNodes, nodes: nodes2, hasDefaultNodes, debug } = get();
if (changes?.length) {
if (hasDefaultNodes) {
const updatedNodes = applyNodeChanges(changes, nodes2);
setNodes(updatedNodes);
}
if (debug) {
console.log("React Flow: trigger node changes", changes);
}
onNodesChange?.(changes);
}
},
triggerEdgeChanges: (changes) => {
const { onEdgesChange, setEdges, edges: edges2, hasDefaultEdges, debug } = get();
if (changes?.length) {
if (hasDefaultEdges) {
const updatedEdges = applyEdgeChanges(changes, edges2);
setEdges(updatedEdges);
}
if (debug) {
console.log("React Flow: trigger edge changes", changes);
}
onEdgesChange?.(changes);
}
},
addSelectedNodes: (selectedNodeIds) => {
const { multiSelectionActive, edgeLookup, nodeLookup, triggerNodeChanges, triggerEdgeChanges } = get();
if (multiSelectionActive) {
const nodeChanges = selectedNodeIds.map((nodeId) => createSelectionChange(nodeId, true));
triggerNodeChanges(nodeChanges);
return;
}
triggerNodeChanges(getSelectionChanges(nodeLookup, new Set([...selectedNodeIds]), true));
triggerEdgeChanges(getSelectionChanges(edgeLookup));
},
addSelectedEdges: (selectedEdgeIds) => {
const { multiSelectionActive, edgeLookup, nodeLookup, triggerNodeChanges, triggerEdgeChanges } = get();
if (multiSelectionActive) {
const changedEdges = selectedEdgeIds.map((edgeId) => createSelectionChange(edgeId, true));
triggerEdgeChanges(changedEdges);
return;
}
triggerEdgeChanges(getSelectionChanges(edgeLookup, new Set([...selectedEdgeIds])));
triggerNodeChanges(getSelectionChanges(nodeLookup, new Set(), true));
},
unselectNodesAndEdges: ({ nodes: nodes2, edges: edges2 } = {}) => {
const { edges: storeEdges, nodes: storeNodes, nodeLookup, triggerNodeChanges, triggerEdgeChanges } = get();
const nodesToUnselect = nodes2 ? nodes2 : storeNodes;
const edgesToUnselect = edges2 ? edges2 : storeEdges;
const nodeChanges = nodesToUnselect.map((n) => {
const internalNode = nodeLookup.get(n.id);
if (internalNode) {
internalNode.selected = false;
}
return createSelectionChange(n.id, false);
});
const edgeChanges = edgesToUnselect.map((edge) => createSelectionChange(edge.id, false));
triggerNodeChanges(nodeChanges);
triggerEdgeChanges(edgeChanges);
},
setMinZoom: (minZoom) => {
const { panZoom, maxZoom } = get();
panZoom?.setScaleExtent([minZoom, maxZoom]);
set({ minZoom });
},
setMaxZoom: (maxZoom) => {
const { panZoom, minZoom } = get();
panZoom?.setScaleExtent([minZoom, maxZoom]);
set({ maxZoom });
},
setTranslateExtent: (translateExtent) => {
get().panZoom?.setTranslateExtent(translateExtent);
set({ translateExtent });
},
setPaneClickDistance: (clickDistance) => {
get().panZoom?.setClickDistance(clickDistance);
},
resetSelectedElements: () => {
const { edges: edges2, nodes: nodes2, triggerNodeChanges, triggerEdgeChanges } = get();
const nodeChanges = nodes2.reduce((res, node) => node.selected ? [...res, createSelectionChange(node.id, false)] : res, []);
const edgeChanges = edges2.reduce((res, edge) => edge.selected ? [...res, createSelectionChange(edge.id, false)] : res, []);
triggerNodeChanges(nodeChanges);
triggerEdgeChanges(edgeChanges);
},
setNodeExtent: (nextNodeExtent) => {
const { nodes: nodes2, nodeLookup, parentLookup, nodeOrigin: nodeOrigin2, elevateNodesOnSelect, nodeExtent: nodeExtent2 } = get();
if (nextNodeExtent[0][0] === nodeExtent2[0][0] && nextNodeExtent[0][1] === nodeExtent2[0][1] && nextNodeExtent[1][0] === nodeExtent2[1][0] && nextNodeExtent[1][1] === nodeExtent2[1][1]) {
return;
}
system.adoptUserNodes(nodes2, nodeLookup, parentLookup, {
nodeOrigin: nodeOrigin2,
nodeExtent: nextNodeExtent,
elevateNodesOnSelect,
checkEquality: false
});
set({ nodeExtent: nextNodeExtent });
},
panBy: (delta) => {
const { transform, width: width2, height: height2, panZoom, translateExtent } = get();
return system.panBy({ delta, panZoom, transform, translateExtent, width: width2, height: height2 });
},
fitView: (options) => {
const { panZoom, width: width2, height: height2, minZoom, maxZoom, nodeLookup } = get();
if (!panZoom) {
return Promise.resolve(false);
}
const fitViewNodes = system.getFitViewNodes(nodeLookup, options);
return system.fitView({
nodes: fitViewNodes,
width: width2,
height: height2,
panZoom,
minZoom,
maxZoom
}, options);
},
fitViewSync: (options) => {
const { panZoom, width: width2, height: height2, minZoom, maxZoom, nodeLookup } = get();
if (!panZoom) {
return false;
}
const fitViewNodes = system.getFitViewNodes(nodeLookup, options);
system.fitView({
nodes: fitViewNodes,
width: width2,
height: height2,
panZoom,
minZoom,
maxZoom
}, options);
return fitViewNodes.size > 0;
},
cancelConnection: () => {
set({
connection: { ...system.initialConnection }
});
},
updateConnection: (connection) => {
set({ connection });
},
reset: () => set({ ...getInitialState() })
}), Object.is);
function ReactFlowProvider({ initialNodes: nodes, initialEdges: edges, defaultNodes, defaultEdges, initialWidth: width, initialHeight: height, fitView: fitView2, nodeOrigin, nodeExtent, children }) {
const [store] = react.useState(() => createStore({
nodes,
edges,
defaultNodes,
defaultEdges,
width,
height,
fitView: fitView2,
nodeOrigin,
nodeExtent
}));
return jsxRuntime.jsx(Provider$1, { value: store, children: jsxRuntime.jsx(BatchProvider, { children }) });
}
function Wrapper({ children, nodes, edges, defaultNodes, defaultEdges, width, height, fitView: fitView2, nodeOrigin, nodeExtent }) {
const isWrapped = react.useContext(StoreContext);
if (isWrapped) {
return jsxRuntime.jsx(jsxRuntime.Fragment, { children });
}
return jsxRuntime.jsx(ReactFlowProvider, { initialNodes: nodes, initialEdges: edges, defaultNodes, defaultEdges, initialWidth: width, initialHeight: height, fitView: fitView2, nodeOrigin, nodeExtent, children });
}
var wrapperStyle = {
width: "100%",
height: "100%",
overflow: "hidden",
position: "relative",
zIndex: 0
};
function ReactFlow({ nodes, edges, defaultNodes, defaultEdges, className, nodeTypes, edgeTypes, onNodeClick, onEdgeClick, onInit, onMove, onMoveStart, onMoveEnd, onConnect, onConnectStart, onConnectEnd, onClickConnectStart, onClickConnectEnd, onNodeMouseEnter, onNodeMouseMove, onNodeMouseLeave, onNodeContextMenu, onNodeDoubleClick, onNodeDragStart, onNodeDrag, onNodeDragStop, onNodesDelete, onEdgesDelete, onDelete, onSelectionChange, onSelectionDragStart, onSelectionDrag, onSelectionDragStop, onSelectionContextMenu, onSelectionStart, onSelectionEnd, onBeforeDelete, connectionMode, connectionLineType = system.ConnectionLineType.Bezier, connectionLineStyle, connectionLineComponent, connectionLineContainerStyle, deleteKeyCode = "Backspace", selectionKeyCode = "Shift", selectionOnDrag = false, selectionMode = system.SelectionMode.Full, panActivationKeyCode = "Space", multiSelectionKeyCode = system.isMacOs() ? "Meta" : "Control", zoomActivationKeyCode = system.isMacOs() ? "Meta" : "Control", snapToGrid, snapGrid, onlyRenderVisibleElements = false, selectNodesOnDrag, nodesDraggable, nodesConnectable, nodesFocusable, nodeOrigin = defaultNodeOrigin, edgesFocusable, edgesReconnectable, elementsSelectable = true, defaultViewport: defaultViewport$1 = defaultViewport, minZoom = 0.5, maxZoom = 2, translateExtent = system.infiniteExtent, preventScrolling = true, nodeExtent, defaultMarkerColor = "#b1b1b7", zoomOnScroll = true, zoomOnPinch = true, panOnScroll = false, panOnScrollSpeed = 0.5, panOnScrollMode = system.PanOnScrollMode.Free, zoomOnDoubleClick = true, panOnDrag = true, onPaneClick, onPaneMouseEnter, onPaneMouseMove, onPaneMouseLeave, onPaneScroll, onPaneContextMenu, paneClickDistance = 0, nodeClickDistance = 0, children, onReconnect, onReconnectStart, onReconnectEnd, onEdgeContextMenu, onEdgeDoubleClick, onEdgeMouseEnter, onEdgeMouseMove, onEdgeMouseLeave, reconnectRadius = 10, onNodesChange, onEdgesChange, noDragClassName = "nodrag", noWheelClassName = "nowheel", noPanClassName = "nopan", fitView: fitView2, fitViewOptions, connectOnClick, attributionPosition, proOptions, defaultEdgeOptions, elevateNodesOnSelect, elevateEdgesOnSelect, disableKeyboardA11y = false, autoPanOnConnect, autoPanOnNodeDrag, autoPanSpeed, connectionRadius, isValidConnection, onError, style: style2, id, nodeDragThreshold, viewport, onViewportChange, width, height, colorMode = "light", debug, ...rest }, ref) {
const rfId = id || "1";
const colorModeClassName = useColorModeClass(colorMode);
return jsxRuntime.jsx("div", { "data-testid": "rf__wrapper", ...rest, style: { ...style2, ...wrapperStyle }, ref, className: cc(["react-flow", className, colorModeClassName]), id, children: jsxRuntime.jsxs(Wrapper, { nodes, edges, width, height, fitView: fitView2, nodeOrigin, nodeExtent, children: [jsxRuntime.jsx(GraphView, { onInit, onNodeClick, onEdgeClick, onNodeMouseEnter, onNodeMouseMove, onNodeMouseLeave, onNodeContextMenu, onNodeDoubleClick, nodeTypes, edgeTypes, connectionLineType, connectionLineStyle, connectionLineComponent, connectionLineContainerStyle, selectionKeyCode, selectionOnDrag, selectionMode, deleteKeyCode, multiSelectionKeyCode, panActivationKeyCode, zoomActivationKeyCode, onlyRenderVisibleElements, defaultViewport: defaultViewport$1, translateExtent, minZoom, maxZoom, preventScrolling, zoomOnScroll, zoomOnPinch, zoomOnDoubleClick, panOnScroll, panOnScrollSpeed, panOnScrollMode, panOnDrag, onPaneClick, onPaneMouseEnter, onPaneMouseMove, onPaneMouseLeave, onPaneScroll, onPaneContextMenu, paneClickDistance, nodeClickDistance, onSelectionContextMenu, onSelectionStart, onSelectionEnd, onReconnect, onReconnectStart, onReconnectEnd, onEdgeContextMenu, onEdgeDoubleClick, onEdgeMouseEnter, onEdgeMouseMove, onEdgeMouseLeave, reconnectRadius, defaultMarkerColor, noDragClassName, noWheelClassName, noPanClassName, rfId, disableKeyboardA11y, nodeExtent, viewport, onViewportChange }), jsxRuntime.jsx(StoreUpdater, { nodes, edges, defaultNodes, defaultEdges, onConnect, onConnectStart, onConnectEnd, onClickConnectStart, onClickConnectEnd, nodesDraggable, nodesConnectable, nodesFocusable, edgesFocusable, edgesReconnectable, elementsSelectable, elevateNodesOnSelect, elevateEdgesOnSelect, minZoom, maxZoom, nodeExtent, onNodesChange, onEdgesChange, snapToGrid, snapGrid, connectionMode, translateExtent, connectOnClick, defaultEdgeOptions, fitView: fitView2, fitViewOptions, onNodesDelete, onEdgesDelete, onDelete, onNodeDragStart, onNodeDrag, onNodeDragStop, onSelectionDrag, onSelectionDragStart, onSelectionDragStop, onMove, onMoveStart, onMoveEnd, noPanClassName, nodeOrigin, rfId, autoPanOnConnect, autoPanOnNodeDrag, autoPanSpeed, onError, connectionRadius, isValidConnection, selectNodesOnDrag, nodeDragThreshold, onBeforeDelete, paneClickDistance, debug }), jsxRuntime.jsx(SelectionListener, { onSelectionChange }), children, jsxRuntime.jsx(Attribution, { proOptions, position: attributionPosition }), jsxRuntime.jsx(A11yDescriptions, { rfId, disableKeyboardA11y })] }) });
}
var index = fixedForwardRef(ReactFlow);
var selector$6 = (s) => s.domNode?.querySelector(".react-flow__edgelabel-renderer");
function EdgeLabelRenderer({ children }) {
const edgeLabelRenderer = useStore(selector$6);
if (!edgeLabelRenderer) {
return null;
}
return reactDom.createPortal(children, edgeLabelRenderer);
}
var selector$5 = (s) => s.domNode?.querySelector(".react-flow__viewport-portal");
function ViewportPortal({ children }) {
const viewPortalDiv = useStore(selector$5);
if (!viewPortalDiv) {
return null;
}
return reactDom.createPortal(children, viewPortalDiv);
}
function useUpdateNodeInternals() {
const store = useStoreApi();
return react.useCallback((id) => {
const { domNode, updateNodeInternals: updateNodeInternals2 } = store.getState();
const updateIds = Array.isArray(id) ? id : [id];
const updates = new Map();
updateIds.forEach((updateId) => {
const nodeElement = domNode?.querySelector(`.react-flow__node[data-id="${updateId}"]`);
if (nodeElement) {
updates.set(updateId, { id: updateId, nodeElement, force: true });
}
});
requestAnimationFrame(() => updateNodeInternals2(updates, { triggerFitView: false }));
}, []);
}
var nodesSelector = (state) => state.nodes;
function useNodes() {
const nodes = useStore(nodesSelector, shallow.shallow);
return nodes;
}
var edgesSelector = (state) => state.edges;
function useEdges() {
const edges = useStore(edgesSelector, shallow.shallow);
return edges;
}
var viewportSelector = (state) => ({
x: state.transform[0],
y: state.transform[1],
zoom: state.transform[2]
});
function useViewport() {
const viewport = useStore(viewportSelector, shallow.shallow);
return viewport;
}
function useNodesState(initialNodes) {
const [nodes, setNodes] = react.useState(initialNodes);
const onNodesChange = react.useCallback((changes) => setNodes((nds) => applyNodeChanges(changes, nds)), []);
return [nodes, setNodes, onNodesChange];
}
function useEdgesState(initialEdges) {
const [edges, setEdges] = react.useState(initialEdges);
const onEdgesChange = react.useCallback((changes) => setEdges((eds) => applyEdgeChanges(changes, eds)), []);
return [edges, setEdges, onEdgesChange];
}
function useOnViewportChange({ onStart, onChange, onEnd }) {
const store = useStoreApi();
react.useEffect(() => {
store.setState({ onViewportChangeStart: onStart });
}, [onStart]);
react.useEffect(() => {
store.setState({ onViewportChange: onChange });
}, [onChange]);
react.useEffect(() => {
store.setState({ onViewportChangeEnd: onEnd });
}, [onEnd]);
}
function useOnSelectionChange({ onChange }) {
const store = useStoreApi();
react.useEffect(() => {
const nextOnSelectionChangeHandlers = [...store.getState().onSelectionChangeHandlers, onChange];
store.setState({ onSelectionChangeHandlers: nextOnSelectionChangeHandlers });
return () => {
const nextHandlers = store.getState().onSelectionChangeHandlers.filter((fn) => fn !== onChange);
store.setState({ onSelectionChangeHandlers: nextHandlers });
};
}, [onChange]);
}
var selector$4 = (options) => (s) => {
if (s.nodeLookup.size === 0) {
return false;
}
for (const [, { hidden, internals }] of s.nodeLookup) {
if (options.includeHiddenNodes || !hidden) {
if (internals.handleBounds === void 0 || !system.nodeHasDimensions(internals.userNode)) {
return false;
}
}
}
return true;
};
var defaultOptions = {
includeHiddenNodes: false
};
function useNodesInitialized(options = defaultOptions) {
const initialized = useStore(selector$4(options));
return initialized;
}
function useHandleConnections({ type, id = null, nodeId, onConnect, onDisconnect }) {
const _nodeId = useNodeId();
const currentNodeId = nodeId ?? _nodeId;
const prevConnections = react.useRef(null);
const connections = useStore((state) => state.connectionLookup.get(`${currentNodeId}-${type}-${id}`), system.areConnectionMapsEqual);
react.useEffect(() => {
if (prevConnections.current && prevConnections.current !== connections) {
const _connections = connections ?? new Map();
system.handleConnectionChange(prevConnections.current, _connections, onDisconnect);
system.handleConnectionChange(_connections, prevConnections.current, onConnect);
}
prevConnections.current = connections ?? new Map();
}, [connections, onConnect, onDisconnect]);
return react.useMemo(() => Array.from(connections?.values() ?? []), [connections]);
}
function useNodesData(nodeIds) {
const nodesData = useStore(react.useCallback((s) => {
const data = [];
const isArrayOfIds = Array.isArray(nodeIds);
const _nodeIds = isArrayOfIds ? nodeIds : [nodeIds];
for (const nodeId of _nodeIds) {
const node = s.nodeLookup.get(nodeId);
if (node) {
data.push({
id: node.id,
type: node.type,
data: node.data
});
}
}
return isArrayOfIds ? data : data[0] ?? null;
}, [nodeIds]), system.shallowNodeData);
return nodesData;
}
function useInternalNode(id) {
const node = useStore(react.useCallback((s) => s.nodeLookup.get(id), [id]), shallow.shallow);
return node;
}
function LinePattern({ dimensions, lineWidth, variant, className }) {
return jsxRuntime.jsx("path", { strokeWidth: lineWidth, d: `M${dimensions[0] / 2} 0 V${dimensions[1]} M0 ${dimensions[1] / 2} H${dimensions[0]}`, className: cc(["react-flow__background-pattern", variant, className]) });
}
function DotPattern({ radius, className }) {
return jsxRuntime.jsx("circle", { cx: radius, cy: radius, r: radius, className: cc(["react-flow__background-pattern", "dots", className]) });
}
exports.BackgroundVariant = void 0;
(function(BackgroundVariant2) {
BackgroundVariant2["Lines"] = "lines";
BackgroundVariant2["Dots"] = "dots";
BackgroundVariant2["Cross"] = "cross";
})(exports.BackgroundVariant || (exports.BackgroundVariant = {}));
var defaultSize = {
[exports.BackgroundVariant.Dots]: 1,
[exports.BackgroundVariant.Lines]: 1,
[exports.BackgroundVariant.Cross]: 6
};
var selector$3 = (s) => ({ transform: s.transform, patternId: `pattern-${s.rfId}` });
function BackgroundComponent({
id,
variant = exports.BackgroundVariant.Dots,
gap = 20,
size,
lineWidth = 1,
offset = 0,
color,
bgColor,
style: style2,
className,
patternClassName
}) {
const ref = react.useRef(null);
const { transform, patternId } = useStore(selector$3, shallow.shallow);
const patternSize = size || defaultSize[variant];
const isDots = variant === exports.BackgroundVariant.Dots;
const isCross = variant === exports.BackgroundVariant.Cross;
const gapXY = Array.isArray(gap) ? gap : [gap, gap];
const scaledGap = [gapXY[0] * transform[2] || 1, gapXY[1] * transform[2] || 1];
const scaledSize = patternSize * transform[2];
const offsetXY = Array.isArray(offset) ? offset : [offset, offset];
const patternDimensions = isCross ? [scaledSize, scaledSize] : scaledGap;
const scaledOffset = [
offsetXY[0] * transform[2] || 1 + patternDimensions[0] / 2,
offsetXY[1] * transform[2] || 1 + patternDimensions[1] / 2
];
const _patternId = `${patternId}${id ? id : ""}`;
return jsxRuntime.jsxs("svg", { className: cc(["react-flow__background", className]), style: {
...style2,
...containerStyle,
"--xy-background-color-props": bgColor,
"--xy-background-pattern-color-props": color
}, ref, "data-testid": "rf__background", children: [jsxRuntime.jsx("pattern", { id: _patternId, x: transform[0] % scaledGap[0], y: transform[1] % scaledGap[1], width: scaledGap[0], height: scaledGap[1], patternUnits: "userSpaceOnUse", patternTransform: `translate(-${scaledOffset[0]},-${scaledOffset[1]})`, children: isDots ? jsxRuntime.jsx(DotPattern, { radius: scaledSize / 2, className: patternClassName }) : jsxRuntime.jsx(LinePattern, { dimensions: patternDimensions, lineWidth, variant, className: patternClassName }) }), jsxRuntime.jsx("rect", { x: "0", y: "0", width: "100%", height: "100%", fill: `url(#${_patternId})` })] });
}
BackgroundComponent.displayName = "Background";
var Background = react.memo(BackgroundComponent);
function PlusIcon() {
return jsxRuntime.jsx("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 32 32", children: jsxRuntime.jsx("path", { d: "M32 18.133H18.133V32h-4.266V18.133H0v-4.266h13.867V0h4.266v13.867H32z" }) });
}
function MinusIcon() {
return jsxRuntime.jsx("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 32 5", children: jsxRuntime.jsx("path", { d: "M0 0h32v4.2H0z" }) });
}
function FitViewIcon() {
return jsxRuntime.jsx("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 32 30", children: jsxRuntime.jsx("path", { d: "M3.692 4.63c0-.53.4-.938.939-.938h5.215V0H4.708C2.13 0 0 2.054 0 4.63v5.216h3.692V4.631zM27.354 0h-5.2v3.692h5.17c.53 0 .984.4.984.939v5.215H32V4.631A4.624 4.624 0 0027.354 0zm.954 24.83c0 .532-.4.94-.939.94h-5.215v3.768h5.215c2.577 0 4.631-2.13 4.631-4.707v-5.139h-3.692v5.139zm-23.677.94c-.531 0-.939-.4-.939-.94v-5.138H0v5.139c0 2.577 2.13 4.707 4.708 4.707h5.138V25.77H4.631z" }) });
}
function LockIcon() {
return jsxRuntime.jsx("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 25 32", children: jsxRuntime.jsx("path", { d: "M21.333 10.667H19.81V7.619C19.81 3.429 16.38 0 12.19 0 8 0 4.571 3.429 4.571 7.619v3.048H3.048A3.056 3.056 0 000 13.714v15.238A3.056 3.056 0 003.048 32h18.285a3.056 3.056 0 003.048-3.048V13.714a3.056 3.056 0 00-3.048-3.047zM12.19 24.533a3.056 3.056 0 01-3.047-3.047 3.056 3.056 0 013.047-3.048 3.056 3.056 0 013.048 3.048 3.056 3.056 0 01-3.048 3.047zm4.724-13.866H7.467V7.619c0-2.59 2.133-4.724 4.723-4.724 2.591 0 4.724 2.133 4.724 4.724v3.048z" }) });
}
function UnlockIcon() {
return jsxRuntime.jsx("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 25 32", children: jsxRuntime.jsx("path", { d: "M21.333 10.667H19.81V7.619C19.81 3.429 16.38 0 12.19 0c-4.114 1.828-1.37 2.133.305 2.438 1.676.305 4.42 2.59 4.42 5.181v3.048H3.047A3.056 3.056 0 000 13.714v15.238A3.056 3.056 0 003.048 32h18.285a3.056 3.056 0 003.048-3.048V13.714a3.056 3.056 0 00-3.048-3.047zM12.19 24.533a3.056 3.056 0 01-3.047-3.047 3.056 3.056 0 013.047-3.048 3.056 3.056 0 013.048 3.048 3.056 3.056 0 01-3.048 3.047z" }) });
}
function ControlButton({ children, className, ...rest }) {
return jsxRuntime.jsx("button", { type: "button", className: cc(["react-flow__controls-button", className]), ...rest, children });
}
var selector$2 = (s) => ({
isInteractive: s.nodesDraggable || s.nodesConnectable || s.elementsSelectable,
minZoomReached: s.transform[2] <= s.minZoom,
maxZoomReached: s.transform[2] >= s.maxZoom
});
function ControlsComponent({ style: style2, showZoom = true, showFitView = true, showInteractive = true, fitViewOptions, onZoomIn, onZoomOut, onFitView, onInteractiveChange, className, children, position = "bottom-left", orientation = "vertical", "aria-label": ariaLabel = "React Flow controls" }) {
const store = useStoreApi();
const { isInteractive, minZoomReached, maxZoomReached } = useStore(selector$2, shallow.shallow);
const { zoomIn, zoomOut, fitView: fitView2 } = useReactFlow();
const onZoomInHandler = () => {
zoomIn();
onZoomIn?.();
};
const onZoomOutHandler = () => {
zoomOut();
onZoomOut?.();
};
const onFitViewHandler = () => {
fitView2(fitViewOptions);
onFitView?.();
};
const onToggleInteractivity = () => {
store.setState({
nodesDraggable: !isInteractive,
nodesConnectable: !isInteractive,
elementsSelectable: !isInteractive
});
onInteractiveChange?.(!isInteractive);
};
const orientationClass = orientation === "horizontal" ? "horizontal" : "vertical";
return jsxRuntime.jsxs(Panel, { className: cc(["react-flow__controls", orientationClass, className]), position, style: style2, "data-testid": "rf__controls", "aria-label": ariaLabel, children: [showZoom && jsxRuntime.jsxs(jsxRuntime.Fragment, { children: [jsxRuntime.jsx(ControlButton, { onClick: onZoomInHandler, className: "react-flow__controls-zoomin", title: "zoom in", "aria-label": "zoom in", disabled: maxZoomReached, children: jsxRuntime.jsx(PlusIcon, {}) }), jsxRuntime.jsx(ControlButton, { onClick: onZoomOutHandler, className: "react-flow__controls-zoomout", title: "zoom out", "aria-label": "zoom out", disabled: minZoomReached, children: jsxRuntime.jsx(MinusIcon, {}) })] }), showFitView && jsxRuntime.jsx(ControlButton, { className: "react-flow__controls-fitview", onClick: onFitViewHandler, title: "fit view", "aria-label": "fit view", children: jsxRuntime.jsx(FitViewIcon, {}) }), showInteractive && jsxRuntime.jsx(ControlButton, { className: "react-flow__controls-interactive", onClick: onToggleInteractivity, title: "toggle interactivity", "aria-label": "toggle interactivity", children: isInteractive ? jsxRuntime.jsx(UnlockIcon, {}) : jsxRuntime.jsx(LockIcon, {}) }), children] });
}
ControlsComponent.displayName = "Controls";
var Controls = react.memo(ControlsComponent);
function MiniMapNodeComponent({ id, x, y, width, height, style: style2, color, strokeColor, strokeWidth, className, borderRadius, shapeRendering, selected: selected2, onClick }) {
const { background, backgroundColor } = style2 || {};
const fill = color || background || backgroundColor;
return jsxRuntime.jsx("rect", { className: cc(["react-flow__minimap-node", { selected: selected2 }, className]), x, y, rx: borderRadius, ry: borderRadius, width, height, style: {
fill,
stroke: strokeColor,
strokeWidth
}, shapeRendering, onClick: onClick ? (event) => onClick(event, id) : void 0 });
}
var MiniMapNode = react.memo(MiniMapNodeComponent);
var selectorNodeIds = (s) => s.nodes.map((node) => node.id);
var getAttrFunction = (func) => func instanceof Function ? func : () => func;
function MiniMapNodes({
nodeStrokeColor,
nodeColor,
nodeClassName = "",
nodeBorderRadius = 5,
nodeStrokeWidth,
nodeComponent: NodeComponent = MiniMapNode,
onClick
}) {
const nodeIds = useStore(selectorNodeIds, shallow.shallow);
const nodeColorFunc = getAttrFunction(nodeColor);
const nodeStrokeColorFunc = getAttrFunction(nodeStrokeColor);
const nodeClassNameFunc = getAttrFunction(nodeClassName);
const shapeRendering = typeof window === "undefined" || !!window.chrome ? "crispEdges" : "geometricPrecision";
return jsxRuntime.jsx(jsxRuntime.Fragment, { children: nodeIds.map((nodeId) => (
jsxRuntime.jsx(NodeComponentWrapper, { id: nodeId, nodeColorFunc, nodeStrokeColorFunc, nodeClassNameFunc, nodeBorderRadius, nodeStrokeWidth, NodeComponent, onClick, shapeRendering }, nodeId)
)) });
}
function NodeComponentWrapperInner({ id, nodeColorFunc, nodeStrokeColorFunc, nodeClassNameFunc, nodeBorderRadius, nodeStrokeWidth, shapeRendering, NodeComponent, onClick }) {
const { node, x, y, width, height } = useStore((s) => {
const node2 = s.nodeLookup.get(id);
const { x: x2, y: y2 } = node2.internals.positionAbsolute;
const { width: width2, height: height2 } = system.getNodeDimensions(node2);
return {
node: node2,
x: x2,
y: y2,
width: width2,
height: height2
};
}, shallow.shallow);
if (!node || node.hidden || !system.nodeHasDimensions(node)) {
return null;
}
return jsxRuntime.jsx(NodeComponent, { x, y, width, height, style: node.style, selected: !!node.selected, className: nodeClassNameFunc(node), color: nodeColorFunc(node), borderRadius: nodeBorderRadius, strokeColor: nodeStrokeColorFunc(node), strokeWidth: nodeStrokeWidth, shapeRendering, onClick, id: node.id });
}
var NodeComponentWrapper = react.memo(NodeComponentWrapperInner);
var MiniMapNodes$1 = react.memo(MiniMapNodes);
var defaultWidth = 200;
var defaultHeight = 150;
var selector$1 = (s) => {
const viewBB = {
x: -s.transform[0] / s.transform[2],
y: -s.transform[1] / s.transform[2],
width: s.width / s.transform[2],
height: s.height / s.transform[2]
};
return {
viewBB,
boundingRect: s.nodeLookup.size > 0 ? system.getBoundsOfRects(system.getInternalNodesBounds(s.nodeLookup), viewBB) : viewBB,
rfId: s.rfId,
panZoom: s.panZoom,
translateExtent: s.translateExtent,
flowWidth: s.width,
flowHeight: s.height
};
};
var ARIA_LABEL_KEY = "react-flow__minimap-desc";
function MiniMapComponent({
style: style2,
className,
nodeStrokeColor,
nodeColor,
nodeClassName = "",
nodeBorderRadius = 5,
nodeStrokeWidth,
nodeComponent,
bgColor,
maskColor,
maskStrokeColor,
maskStrokeWidth,
position = "bottom-right",
onClick,
onNodeClick,
pannable = false,
zoomable = false,
ariaLabel = "React Flow mini map",
inversePan,
zoomStep = 10,
offsetScale = 5
}) {
const store = useStoreApi();
const svg = react.useRef(null);
const { boundingRect, viewBB, rfId, panZoom, translateExtent, flowWidth, flowHeight } = useStore(selector$1, shallow.shallow);
const elementWidth = style2?.width ?? defaultWidth;
const elementHeight = style2?.height ?? defaultHeight;
const scaledWidth = boundingRect.width / elementWidth;
const scaledHeight = boundingRect.height / elementHeight;
const viewScale = Math.max(scaledWidth, scaledHeight);
const viewWidth = viewScale * elementWidth;
const viewHeight = viewScale * elementHeight;
const offset = offsetScale * viewScale;
const x = boundingRect.x - (viewWidth - boundingRect.width) / 2 - offset;
const y = boundingRect.y - (viewHeight - boundingRect.height) / 2 - offset;
const width = viewWidth + offset * 2;
const height = viewHeight + offset * 2;
const labelledBy = `${ARIA_LABEL_KEY}-${rfId}`;
const viewScaleRef = react.useRef(0);
const minimapInstance = react.useRef();
viewScaleRef.current = viewScale;
react.useEffect(() => {
if (svg.current && panZoom) {
minimapInstance.current = system.XYMinimap({
domNode: svg.current,
panZoom,
getTransform: () => store.getState().transform,
getViewScale: () => viewScaleRef.current
});
return () => {
minimapInstance.current?.destroy();
};
}
}, [panZoom]);
react.useEffect(() => {
minimapInstance.current?.update({
translateExtent,
width: flowWidth,
height: flowHeight,
inversePan,
pannable,
zoomStep,
zoomable
});
}, [pannable, zoomable, inversePan, zoomStep, translateExtent, flowWidth, flowHeight]);
const onSvgClick = onClick ? (event) => {
const [x2, y2] = minimapInstance.current?.pointer(event) || [0, 0];
onClick(event, { x: x2, y: y2 });
} : void 0;
const onSvgNodeClick = onNodeClick ? react.useCallback((event, nodeId) => {
const node = store.getState().nodeLookup.get(nodeId);
onNodeClick(event, node);
}, []) : void 0;
return jsxRuntime.jsx(Panel, { position, style: {
...style2,
"--xy-minimap-background-color-props": typeof bgColor === "string" ? bgColor : void 0,
"--xy-minimap-mask-background-color-props": typeof maskColor === "string" ? maskColor : void 0,
"--xy-minimap-mask-stroke-color-props": typeof maskStrokeColor === "string" ? maskStrokeColor : void 0,
"--xy-minimap-mask-stroke-width-props": typeof maskStrokeWidth === "number" ? maskStrokeWidth * viewScale : void 0,
"--xy-minimap-node-background-color-props": typeof nodeColor === "string" ? nodeColor : void 0,
"--xy-minimap-node-stroke-color-props": typeof nodeStrokeColor === "string" ? nodeStrokeColor : void 0,
"--xy-minimap-node-stroke-width-props": typeof nodeStrokeWidth === "string" ? nodeStrokeWidth : void 0
}, className: cc(["react-flow__minimap", className]), "data-testid": "rf__minimap", children: jsxRuntime.jsxs("svg", { width: elementWidth, height: elementHeight, viewBox: `${x} ${y} ${width} ${height}`, className: "react-flow__minimap-svg", role: "img", "aria-labelledby": labelledBy, ref: svg, onClick: onSvgClick, children: [ariaLabel && jsxRuntime.jsx("title", { id: labelledBy, children: ariaLabel }), jsxRuntime.jsx(MiniMapNodes$1, { onClick: onSvgNodeClick, nodeColor, nodeStrokeColor, nodeBorderRadius, nodeClassName, nodeStrokeWidth, nodeComponent }), jsxRuntime.jsx("path", { className: "react-flow__minimap-mask", d: `M${x - offset},${y - offset}h${width + offset * 2}v${height + offset * 2}h${-width - offset * 2}z
M${viewBB.x},${viewBB.y}h${viewBB.width}v${viewBB.height}h${-viewBB.width}z`, fillRule: "evenodd", pointerEvents: "none" })] }) });
}
MiniMapComponent.displayName = "MiniMap";
var MiniMap = react.memo(MiniMapComponent);
function ResizeControl({ nodeId, position, variant = system.ResizeControlVariant.Handle, className, style: style2 = {}, children, color, minWidth = 10, minHeight = 10, maxWidth = Number.MAX_VALUE, maxHeight = Number.MAX_VALUE, keepAspectRatio = false, shouldResize, onResizeStart, onResize, onResizeEnd }) {
const contextNodeId = useNodeId();
const id = typeof nodeId === "string" ? nodeId : contextNodeId;
const store = useStoreApi();
const resizeControlRef = react.useRef(null);
const defaultPosition = variant === system.ResizeControlVariant.Line ? "right" : "bottom-right";
const controlPosition = position ?? defaultPosition;
const resizer = react.useRef(null);
react.useEffect(() => {
if (!resizeControlRef.current || !id) {
return;
}
if (!resizer.current) {
resizer.current = system.XYResizer({
domNode: resizeControlRef.current,
nodeId: id,
getStoreItems: () => {
const { nodeLookup, transform, snapGrid, snapToGrid, nodeOrigin, domNode } = store.getState();
return {
nodeLookup,
transform,
snapGrid,
snapToGrid,
nodeOrigin,
paneDomNode: domNode
};
},
onChange: (change, childChanges) => {
const { triggerNodeChanges, nodeLookup, parentLookup, nodeOrigin } = store.getState();
const changes = [];
const nextPosition = { x: change.x, y: change.y };
const node = nodeLookup.get(id);
if (node && node.expandParent && node.parentId) {
const origin = node.origin ?? nodeOrigin;
const width = change.width ?? node.measured.width;
const height = change.height ?? node.measured.height;
const child = {
id: node.id,
parentId: node.parentId,
rect: {
width,
height,
...system.evaluateAbsolutePosition({
x: change.x ?? node.position.x,
y: change.y ?? node.position.y
}, { width, height }, node.parentId, nodeLookup, origin)
}
};
const parentExpandChanges = system.handleExpandParent([child], nodeLookup, parentLookup, nodeOrigin);
changes.push(...parentExpandChanges);
nextPosition.x = change.x ? Math.max(origin[0] * width, change.x) : void 0;
nextPosition.y = change.y ? Math.max(origin[1] * height, change.y) : void 0;
}
if (nextPosition.x !== void 0 && nextPosition.y !== void 0) {
const positionChange = {
id,
type: "position",
position: { ...nextPosition }
};
changes.push(positionChange);
}
if (change.width !== void 0 && change.height !== void 0) {
const dimensionChange = {
id,
type: "dimensions",
resizing: true,
setAttributes: true,
dimensions: {
width: change.width,
height: change.height
}
};
changes.push(dimensionChange);
}
for (const childChange of childChanges) {
const positionChange = {
...childChange,
type: "position"
};
changes.push(positionChange);
}
triggerNodeChanges(changes);
},
onEnd: () => {
const dimensionChange = {
id,
type: "dimensions",
resizing: false
};
store.getState().triggerNodeChanges([dimensionChange]);
}
});
}
resizer.current.update({
controlPosition,
boundaries: {
minWidth,
minHeight,
maxWidth,
maxHeight
},
keepAspectRatio,
onResizeStart,
onResize,
onResizeEnd,
shouldResize
});
return () => {
resizer.current?.destroy();
};
}, [
controlPosition,
minWidth,
minHeight,
maxWidth,
maxHeight,
keepAspectRatio,
onResizeStart,
onResize,
onResizeEnd,
shouldResize
]);
const positionClassNames = controlPosition.split("-");
const colorStyleProp = variant === system.ResizeControlVariant.Line ? "borderColor" : "backgroundColor";
const controlStyle = color ? { ...style2, [colorStyleProp]: color } : style2;
return jsxRuntime.jsx("div", { className: cc(["react-flow__resize-control", "nodrag", ...positionClassNames, variant, className]), ref: resizeControlRef, style: controlStyle, children });
}
var NodeResizeControl = react.memo(ResizeControl);
function NodeResizer({ nodeId, isVisible = true, handleClassName, handleStyle, lineClassName, lineStyle, color, minWidth = 10, minHeight = 10, maxWidth = Number.MAX_VALUE, maxHeight = Number.MAX_VALUE, keepAspectRatio = false, shouldResize, onResizeStart, onResize, onResizeEnd }) {
if (!isVisible) {
return null;
}
return jsxRuntime.jsxs(jsxRuntime.Fragment, { children: [system.XY_RESIZER_LINE_POSITIONS.map((position) => jsxRuntime.jsx(NodeResizeControl, { className: lineClassName, style: lineStyle, nodeId, position, variant: system.ResizeControlVariant.Line, color, minWidth, minHeight, maxWidth, maxHeight, onResizeStart, keepAspectRatio, shouldResize, onResize, onResizeEnd }, position)), system.XY_RESIZER_HANDLE_POSITIONS.map((position) => jsxRuntime.jsx(NodeResizeControl, { className: handleClassName, style: handleStyle, nodeId, position, color, minWidth, minHeight, maxWidth, maxHeight, onResizeStart, keepAspectRatio, shouldResize, onResize, onResizeEnd }, position))] });
}
var selector = (state) => state.domNode?.querySelector(".react-flow__renderer");
function NodeToolbarPortal({ children }) {
const wrapperRef = useStore(selector);
if (!wrapperRef) {
return null;
}
return reactDom.createPortal(children, wrapperRef);
}
var nodeEqualityFn = (a, b) => a?.internals.positionAbsolute.x !== b?.internals.positionAbsolute.x || a?.internals.positionAbsolute.y !== b?.internals.positionAbsolute.y || a?.measured.width !== b?.measured.width || a?.measured.height !== b?.measured.height || a?.selected !== b?.selected || a?.internals.z !== b?.internals.z;
var nodesEqualityFn = (a, b) => {
if (a.size !== b.size) {
return false;
}
for (const [key, node] of a) {
if (nodeEqualityFn(node, b.get(key))) {
return false;
}
}
return true;
};
var storeSelector = (state) => ({
x: state.transform[0],
y: state.transform[1],
zoom: state.transform[2],
selectedNodesCount: state.nodes.filter((node) => node.selected).length
});
function NodeToolbar({ nodeId, children, className, style: style2, isVisible, position = system.Position.Top, offset = 10, align = "center", ...rest }) {
const contextNodeId = useNodeId();
const nodesSelector2 = react.useCallback((state) => {
const nodeIds = Array.isArray(nodeId) ? nodeId : [nodeId || contextNodeId || ""];
const internalNodes = nodeIds.reduce((res, id) => {
const node = state.nodeLookup.get(id);
if (node) {
res.set(node.id, node);
}
return res;
}, new Map());
return internalNodes;
}, [nodeId, contextNodeId]);
const nodes = useStore(nodesSelector2, nodesEqualityFn);
const { x, y, zoom, selectedNodesCount } = useStore(storeSelector, shallow.shallow);
const isActive = typeof isVisible === "boolean" ? isVisible : nodes.size === 1 && nodes.values().next().value.selected && selectedNodesCount === 1;
if (!isActive || !nodes.size) {
return null;
}
const nodeRect = system.getInternalNodesBounds(nodes);
const nodesArray = Array.from(nodes.values());
const zIndex = Math.max(...nodesArray.map((node) => node.internals.z + 1));
const wrapperStyle2 = {
position: "absolute",
transform: system.getNodeToolbarTransform(nodeRect, { x, y, zoom }, position, offset, align),
zIndex,
...style2
};
return jsxRuntime.jsx(NodeToolbarPortal, { children: jsxRuntime.jsx("div", { style: wrapperStyle2, className: cc(["react-flow__node-toolbar", className]), ...rest, "data-id": nodesArray.reduce((acc, node) => `${acc}${node.id} `, "").trim(), children }) });
}
Object.defineProperty(exports, "ConnectionLineType", {
enumerable: true,
get: function () { return system.ConnectionLineType; }
});
Object.defineProperty(exports, "ConnectionMode", {
enumerable: true,
get: function () { return system.ConnectionMode; }
});
Object.defineProperty(exports, "MarkerType", {
enumerable: true,
get: function () { return system.MarkerType; }
});
Object.defineProperty(exports, "PanOnScrollMode", {
enumerable: true,
get: function () { return system.PanOnScrollMode; }
});
Object.defineProperty(exports, "Position", {
enumerable: true,
get: function () { return system.Position; }
});
Object.defineProperty(exports, "SelectionMode", {
enumerable: true,
get: function () { return system.SelectionMode; }
});
Object.defineProperty(exports, "addEdge", {
enumerable: true,
get: function () { return system.addEdge; }
});
Object.defineProperty(exports, "getBezierEdgeCenter", {
enumerable: true,
get: function () { return system.getBezierEdgeCenter; }
});
Object.defineProperty(exports, "getBezierPath", {
enumerable: true,
get: function () { return system.getBezierPath; }
});
Object.defineProperty(exports, "getConnectedEdges", {
enumerable: true,
get: function () { return system.getConnectedEdges; }
});
Object.defineProperty(exports, "getEdgeCenter", {
enumerable: true,
get: function () { return system.getEdgeCenter; }
});
Object.defineProperty(exports, "getIncomers", {
enumerable: true,
get: function () { return system.getIncomers; }
});
Object.defineProperty(exports, "getNodesBounds", {
enumerable: true,
get: function () { return system.getNodesBounds; }
});
Object.defineProperty(exports, "getOutgoers", {
enumerable: true,
get: function () { return system.getOutgoers; }
});
Object.defineProperty(exports, "getSmoothStepPath", {
enumerable: true,
get: function () { return system.getSmoothStepPath; }
});
Object.defineProperty(exports, "getStraightPath", {
enumerable: true,
get: function () { return system.getStraightPath; }
});
Object.defineProperty(exports, "getViewportForBounds", {
enumerable: true,
get: function () { return system.getViewportForBounds; }
});
Object.defineProperty(exports, "reconnectEdge", {
enumerable: true,
get: function () { return system.reconnectEdge; }
});
exports.Background = Background;
exports.BaseEdge = BaseEdge;
exports.BezierEdge = BezierEdge;
exports.ControlButton = ControlButton;
exports.Controls = Controls;
exports.EdgeLabelRenderer = EdgeLabelRenderer;
exports.EdgeText = EdgeText;
exports.Handle = Handle;
exports.MiniMap = MiniMap;
exports.NodeResizeControl = NodeResizeControl;
exports.NodeResizer = NodeResizer;
exports.NodeToolbar = NodeToolbar;
exports.Panel = Panel;
exports.ReactFlow = index;
exports.ReactFlowProvider = ReactFlowProvider;
exports.SimpleBezierEdge = SimpleBezierEdge;
exports.SmoothStepEdge = SmoothStepEdge;
exports.StepEdge = StepEdge;
exports.StraightEdge = StraightEdge;
exports.ViewportPortal = ViewportPortal;
exports.applyEdgeChanges = applyEdgeChanges;
exports.applyNodeChanges = applyNodeChanges;
exports.getSimpleBezierPath = getSimpleBezierPath;
exports.isEdge = isEdge;
exports.isNode = isNode;
exports.useConnection = useConnection;
exports.useEdges = useEdges;
exports.useEdgesState = useEdgesState;
exports.useHandleConnections = useHandleConnections;
exports.useInternalNode = useInternalNode;
exports.useKeyPress = useKeyPress;
exports.useNodeId = useNodeId;
exports.useNodes = useNodes;
exports.useNodesData = useNodesData;
exports.useNodesInitialized = useNodesInitialized;
exports.useNodesState = useNodesState;
exports.useOnSelectionChange = useOnSelectionChange;
exports.useOnViewportChange = useOnViewportChange;
exports.useReactFlow = useReactFlow;
exports.useStore = useStore;
exports.useStoreApi = useStoreApi;
exports.useUpdateNodeInternals = useUpdateNodeInternals;
exports.useViewport = useViewport;
}));
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