refactor: Move maxEdges out of flowchart config.

packages/mermaid/src/diagrams/flowchart/flowDb.js

@@ -158,11 +158,17 @@ export const addSingleLink = function (_start, _end, type) {
   if (edge?.length > 10) {
     edge.length = 10;
   }
-  if (edges.length < (config.flowchart.maxEdges ?? 500)) {
+  if (edges.length < (config.maxEdges ?? 500)) {
     log.info('abc78 pushing edge...');
     edges.push(edge);
   } else {
-    throw new Error(`Edge limit exceeded. Increase config.flowchart.maxEdges to allow more edges.`);
+    throw new Error(
+      `Edge limit exceeded. ${edges.length} edges found, but the limit is ${config.maxEdges}.
+
+Initialize mermaid with maxEdges set to a higher number to allow more edges. 
+You cannot set this config via configuration inside the diagram as it is a secure config. 
+You have to call mermaid.initialize.`
+    );
   }
 };
 export const addLink = function (_start, _end, type) {

packages/mermaid/src/schemas/config.schema.yaml

@@ -74,6 +74,12 @@ properties:
     description: The maximum allowed size of the users text diagram
     type: number
     default: 50000
+  maxEdges:
+    description: |
+      Defines the maximum number of edges that can be drawn in a graph.
+    type: integer
+    default: 500
+    minimum: 0
   darkMode:
     type: boolean
     default: false
@@ -1900,12 +1906,6 @@ $defs: # JSON Schema definition (maybe we should move these to a separate file)
           Flag for setting whether or not a html tag should be used for rendering labels on the edges.
         type: boolean
         default: true
-      maxEdges:
-        description: |
-          Defines the maximum number of edges that can be drawn in a graph.
-        type: integer
-        default: 500
-        minimum: 0
       nodeSpacing:
         description: |
           Defines the spacing between nodes on the same level