From fc28c1da63d68b4989e7f8bc5d81a2f27842e732 Mon Sep 17 00:00:00 2001 From: Knut Sveidqvist Date: Wed, 25 Oct 2023 11:06:37 +0200 Subject: [PATCH] Limiting the number of edges that are allowed in the flowchart --- cypress/platform/knsv2.html | 18 ++++++++++++++---- .../mermaid/src/diagrams/flowchart/flowDb.js | 11 ++++++++++- 2 files changed, 24 insertions(+), 5 deletions(-) diff --git a/cypress/platform/knsv2.html b/cypress/platform/knsv2.html index 13094644b..020ea8b48 100644 --- a/cypress/platform/knsv2.html +++ b/cypress/platform/knsv2.html @@ -58,10 +58,19 @@ 
-flowchart-elk LR
-   subgraph example
-     node
-   end
+flowchart TB
+    C & D & E & F & G & H & I & J & K & L & M & N & O & P & Q & R & S & T & U & V & W & X & Y & Z & A1 & A2 & A3 & A4 & A5 & A6 & A7 & A8
+      ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------->
+    C & D & E & F & G & H & I & J & K & L & M & N & O & P & Q & R & S & T & U & V & W & X & Y & Z & A1 & A2 & A3 & A4 & A5 & A6 & A7 & A8
+
+
+ 
+    flowchart TB
+      A & A & A & A & A & A & A & A --->  C & D & E & F & G & H & I & J & K & L & M & N & O & P & Q & R & S & T & U & V & W & X & Y & Z
+
+ 
+    flowchart TB
+      A1 & A2 & A3 & A4 & A5 & A6 & A7 & A8 -->  C & D & E & F & G & H & I & J & K & L & M & N & O & P & Q & R & S & T & U & V & W & X & Y & Z
     
 flowchart
@@ -441,6 +450,7 @@ mindmap
           messageFontFamily: 'courier',
         },
         fontSize: 16,
+        logLevel: 0,
       });
       function callback() {
         alert('It worked');
diff --git a/packages/mermaid/src/diagrams/flowchart/flowDb.js b/packages/mermaid/src/diagrams/flowchart/flowDb.js
index 510c40ce8..9a9394e54 100644
--- a/packages/mermaid/src/diagrams/flowchart/flowDb.js
+++ b/packages/mermaid/src/diagrams/flowchart/flowDb.js
@@ -12,6 +12,7 @@ import {
   setDiagramTitle,
   getDiagramTitle,
 } from '../common/commonDb.js';
+import errorDiagram from '../error/errorDiagram.js';
 
 const MERMAID_DOM_ID_PREFIX = 'flowchart-';
 let vertexCounter = 0;
@@ -156,7 +157,15 @@ export const addSingleLink = function (_start, _end, type) {
     edge.stroke = type.stroke;
     edge.length = type.length;
   }
-  edges.push(edge);
+  if (edge?.length > 10) {
+    edge.length = 10;
+  }
+  if (edges.length < 280) {
+    log.info('abc78 pushing edge...');
+    edges.push(edge);
+  } else {
+    throw new Error('Too many edges');
+  }
 };
 export const addLink = function (_start, _end, type) {
   log.info('addLink (abc78)', _start, _end, type);