From 8af636c58de535f0671512e5c31249b80e2cc107 Mon Sep 17 00:00:00 2001
From: Arpit Jain <3242828+arpitjain099@users.noreply.github.com>
Date: Mon, 5 May 2025 12:15:41 +0000
Subject: [PATCH] Fix Incomplete string escaping or encoding errors

---
 packages/mermaid/src/dagre-wrapper/edges.js                     | 1 +
 packages/mermaid/src/diagrams/class/svgDraw.js                  | 1 +
 packages/mermaid/src/diagrams/common/common.ts                  | 1 +
 packages/mermaid/src/diagrams/er/erRenderer.js                  | 1 +
 packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts      | 1 +
 packages/mermaid/src/diagrams/state/shapes.js                   | 1 +
 packages/mermaid/src/rendering-util/rendering-elements/edges.js | 2 +-
 7 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/mermaid/src/dagre-wrapper/edges.js b/packages/mermaid/src/dagre-wrapper/edges.js
index 5a97e5b63..5f37009c9 100644
--- a/packages/mermaid/src/dagre-wrapper/edges.js
+++ b/packages/mermaid/src/dagre-wrapper/edges.js
@@ -446,6 +446,7 @@ export const insertEdge = function (elem, e, edge, clusterDb, diagramType, graph
       window.location.host +
       window.location.pathname +
       window.location.search;
+    url = url.replace(/\\/g, '\\\\');
     url = url.replace(/\(/g, '\\(');
     url = url.replace(/\)/g, '\\)');
   }
diff --git a/packages/mermaid/src/diagrams/class/svgDraw.js b/packages/mermaid/src/diagrams/class/svgDraw.js
index 73cf97aeb..28e7955a1 100644
--- a/packages/mermaid/src/diagrams/class/svgDraw.js
+++ b/packages/mermaid/src/diagrams/class/svgDraw.js
@@ -48,6 +48,7 @@ export const drawEdge = function (elem, path, relation, conf, diagObj) {
       window.location.host +
       window.location.pathname +
       window.location.search;
+    url = url.replace(/\\/g, '\\\\');
     url = url.replace(/\(/g, '\\(');
     url = url.replace(/\)/g, '\\)');
   }
diff --git a/packages/mermaid/src/diagrams/common/common.ts b/packages/mermaid/src/diagrams/common/common.ts
index fd76d0a45..8955830c3 100644
--- a/packages/mermaid/src/diagrams/common/common.ts
+++ b/packages/mermaid/src/diagrams/common/common.ts
@@ -158,6 +158,7 @@ const getUrl = (useAbsolute: boolean): string => {
       window.location.host +
       window.location.pathname +
       window.location.search;
+    url = url.replace(/\\/g, '\\\\');
     url = url.replaceAll(/\(/g, '\\(');
     url = url.replaceAll(/\)/g, '\\)');
   }
diff --git a/packages/mermaid/src/diagrams/er/erRenderer.js b/packages/mermaid/src/diagrams/er/erRenderer.js
index 0327bfc9d..5ee51ccc9 100644
--- a/packages/mermaid/src/diagrams/er/erRenderer.js
+++ b/packages/mermaid/src/diagrams/er/erRenderer.js
@@ -457,6 +457,7 @@ const drawRelationshipFromLayout = function (svg, rel, g, insert, diagObj) {
       window.location.host +
       window.location.pathname +
       window.location.search;
+    url = url.replace(/\\/g, '\\\\'); // Escape backslashes
     url = url.replace(/\(/g, '\\(');
     url = url.replace(/\)/g, '\\)');
   }
diff --git a/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts b/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
index 84bb15b15..0f2c602ca 100644
--- a/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
+++ b/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
@@ -455,6 +455,7 @@ const drawMessage = async function (diagram, msgModel, lineStartY: number, diagO
       window.location.host +
       window.location.pathname +
       window.location.search;
+      url = url.replace(/\\/g, '\\\\');
     url = url.replace(/\(/g, '\\(');
     url = url.replace(/\)/g, '\\)');
   }
diff --git a/packages/mermaid/src/diagrams/state/shapes.js b/packages/mermaid/src/diagrams/state/shapes.js
index 419d2a76e..7087f940b 100644
--- a/packages/mermaid/src/diagrams/state/shapes.js
+++ b/packages/mermaid/src/diagrams/state/shapes.js
@@ -450,6 +450,7 @@ export const drawEdge = function (elem, path, relation) {
       window.location.host +
       window.location.pathname +
       window.location.search;
+    url = url.replace(/\\/g, '\\\\');
     url = url.replace(/\(/g, '\\(');
     url = url.replace(/\)/g, '\\)');
   }
diff --git a/packages/mermaid/src/rendering-util/rendering-elements/edges.js b/packages/mermaid/src/rendering-util/rendering-elements/edges.js
index ce4244ff2..cca660935 100644
--- a/packages/mermaid/src/rendering-util/rendering-elements/edges.js
+++ b/packages/mermaid/src/rendering-util/rendering-elements/edges.js
@@ -637,7 +637,7 @@ export const insertEdge = function (elem, edge, clusterDb, diagramType, startNod
       window.location.host +
       window.location.pathname +
       window.location.search;
-    url = url.replace(/\(/g, '\\(').replace(/\)/g, '\\)');
+    url = url.replace(/\\/g, '\\\\').replace(/\(/g, '\\(').replace(/\)/g, '\\)');
   }
   log.info('arrowTypeStart', edge.arrowTypeStart);
   log.info('arrowTypeEnd', edge.arrowTypeEnd);