refactor(warnings): only show for node_env=development

src/container/EdgeRenderer/MarkerSymbols.tsx

@@ -38,9 +38,13 @@ export function useMarkerSymbol(type: MarkerType) {
   const symbol = useMemo(() => {
     const symbolExists = MarkerSymbols.hasOwnProperty(type);
 
-    if (!symbolExists) {
-      console.warn(`[React Flow]: Marker type "${type}" doesn't exist. Help: https://reactflow.dev/error-decoder#900`);
-      return () => null;
+    if (process.env.NODE_ENV === 'development') {
+      if (!symbolExists) {
+        console.warn(
+          `[React Flow]: Marker type "${type}" doesn't exist. Help: https://reactflow.dev/error-decoder#900`
+        );
+        return () => null;
+      }
     }
 
     return MarkerSymbols[type];

src/container/EdgeRenderer/index.tsx

@@ -105,18 +105,20 @@ const EdgeRenderer = (props: EdgeRendererProps) => {
               const sourcePosition = sourceHandle?.position || Position.Bottom;
               const targetPosition = targetHandle?.position || Position.Top;
 
-              if (!sourceHandle) {
-                console.warn(
-                  `[React Flow]: Couldn't create edge for source handle id: ${edge.sourceHandle}; edge id: ${edge.id}. Help: https://reactflow.dev/error-decoder#800`
-                );
-                return null;
-              }
+              if (process.env.NODE_ENV === 'development') {
+                if (!sourceHandle) {
+                  console.warn(
+                    `[React Flow]: Couldn't create edge for source handle id: ${edge.sourceHandle}; edge id: ${edge.id}. Help: https://reactflow.dev/error-decoder#800`
+                  );
+                  return null;
+                }
 
-              if (!targetHandle) {
-                console.warn(
-                  `[React Flow]: Couldn't create edge for target handle id: ${edge.targetHandle}; edge id: ${edge.id}. Help: https://reactflow.dev/error-decoder#800`
-                );
-                return null;
+                if (!targetHandle) {
+                  console.warn(
+                    `[React Flow]: Couldn't create edge for target handle id: ${edge.targetHandle}; edge id: ${edge.id}. Help: https://reactflow.dev/error-decoder#800`
+                  );
+                  return null;
+                }
               }
 
               const { sourceX, sourceY, targetX, targetY } = getEdgePositions(