add spec

packages/mermaid/src/diagram-api/types.ts

@@ -19,6 +19,14 @@ export interface InjectUtils {
   _parseDirective: any;
 }
 
+export type Message = {
+  type: number;
+  to: string;
+  from: string;
+  message: string;
+  wrap: boolean;
+};
+
 /**
  * Generic Diagram DB that may apply to any diagram type.
  */
@@ -37,6 +45,7 @@ export interface DiagramDB {
 
   setDisplayMode?: (title: string) => void;
   bindFunctions?: (element: Element) => void;
+  getMessages?: () => Message[];
 }
 
 // This is what is returned from getClasses(...) methods.

packages/mermaid/src/diagram.spec.ts

@@ -69,4 +69,18 @@ Expecting 'TXT', got 'NEWLINE'"
       '"No diagram type detected matching given configuration for text: thor TD; A-->B"'
     );
   });
+
+  test('should consider entity codes when present in diagram defination', async () => {
+    const diagram = await getDiagramFromText(`sequenceDiagram
+    A->>B: I #9829; you!
+    B->>A: I #9829; you #infin; times more!`);
+    const messages = diagram.db?.getMessages?.();
+    if (!messages) {
+      throw new Error('Messages not found!');
+    }
+    const result = ['I fl°°9829¶ß you!', 'I fl°°9829¶ß you fl°infin¶ß times more!'];
+    messages.forEach((message, index: number) => {
+      expect(message.message).toBe(result[index]);
+    });
+  });
 });

packages/mermaid/src/mermaidAPI.ts

@@ -436,8 +436,6 @@ const render = async function (
     appendDivSvgG(root, id, enclosingDivID);
   }
 
-  text = encodeEntities(text);
-
   // -------------------------------------------------------------------------------
   // Create the diagram