refactor(errors): put in constants

packages/core/src/hooks/useDrag/utils.ts

@@ -3,6 +3,7 @@ import type { RefObject } from 'react';
 import { clampPosition, isNumeric } from '../../utils';
 import type { CoordinateExtent, Node, NodeDragItem, NodeInternals, NodeOrigin, OnError, XYPosition } from '../../types';
 import { getNodePositionWithOrigin } from '../../utils/graph';
+import { errorMessages } from '../../contants';
 
 export function isParentSelected(node: Node, nodeInternals: NodeInternals): boolean {
   if (!node.parentNode) {
@@ -82,7 +83,7 @@ export function calcNextPosition(
             ]
           : currentExtent;
     } else {
-      onError?.('005', 'Only child nodes can use a parent extent.');
+      onError?.('005', errorMessages['005']());
 
       currentExtent = nodeExtent;
     }

packages/core/src/hooks/useResizeHandler.ts

@@ -3,6 +3,7 @@ import type { MutableRefObject } from 'react';
 
 import { useStoreApi } from '../hooks/useStore';
 import { getDimensions } from '../utils';
+import { errorMessages } from '../contants';
 
 function useResizeHandler(rendererNode: MutableRefObject<HTMLDivElement | null>): void {
   const store = useStoreApi();
@@ -18,9 +19,7 @@ function useResizeHandler(rendererNode: MutableRefObject<HTMLDivElement | null>)
       const size = getDimensions(rendererNode.current);
 
       if (size.height === 0 || size.width === 0) {
-        store
-          .getState()
-          .onError?.('004', 'The React Flow parent container needs a width and a height to render the graph.');
+        store.getState().onError?.('004', errorMessages['004']());
       }
 
       store.setState({ width: size.width || 500, height: size.height || 500 });

packages/core/src/hooks/useStore.ts

@@ -3,10 +3,10 @@ import { useStore as useZustandStore } from 'zustand';
 import type { StoreApi } from 'zustand';
 
 import StoreContext from '../contexts/RFStoreContext';
+import { errorMessages } from '../contants';
 import type { ReactFlowState } from '../types';
 
-const errorMessage =
-  '[React Flow]: Seems like you have not used zustand provider as an ancestor. Help: https://reactflow.dev/error#100';
+const zustandErrorMessage = errorMessages['001']();
 
 type ExtractState = StoreApi<ReactFlowState> extends { getState: () => infer T } ? T : never;
 
@@ -17,7 +17,7 @@ function useStore<StateSlice = ExtractState>(
   const store = useContext(StoreContext);
 
   if (store === null) {
-    throw new Error(errorMessage);
+    throw new Error(zustandErrorMessage);
   }
 
   return useZustandStore(store, selector, equalityFn);
@@ -27,7 +27,7 @@ const useStoreApi = () => {
   const store = useContext(StoreContext);
 
   if (store === null) {
-    throw new Error(errorMessage);
+    throw new Error(zustandErrorMessage);
   }
 
   return useMemo(