fix: getMessageAPI so it considers entity codes

docs/config/setup/interfaces/mermaidAPI.ParseOptions.md

@@ -16,4 +16,4 @@
 
 #### Defined in
 
-[mermaidAPI.ts:59](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L59)
+[mermaidAPI.ts:60](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L60)

docs/config/setup/interfaces/mermaidAPI.RenderResult.md

@@ -39,7 +39,7 @@ bindFunctions?.(div); // To call bindFunctions only if it's present.
 
 #### Defined in
 
-[mermaidAPI.ts:79](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L79)
+[mermaidAPI.ts:80](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L80)
 
 ---
 
@@ -51,4 +51,4 @@ The svg code for the rendered graph.
 
 #### Defined in
 
-[mermaidAPI.ts:69](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L69)
+[mermaidAPI.ts:70](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L70)

docs/config/setup/modules/mermaidAPI.md

@@ -25,7 +25,7 @@ Renames and re-exports [mermaidAPI](mermaidAPI.md#mermaidapi)
 
 #### Defined in
 
-[mermaidAPI.ts:63](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L63)
+[mermaidAPI.ts:64](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L64)
 
 ## Variables
 
@@ -96,7 +96,7 @@ mermaid.initialize(config);
 
 #### Defined in
 
-[mermaidAPI.ts:641](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L641)
+[mermaidAPI.ts:603](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L603)
 
 ## Functions
 
@@ -127,7 +127,7 @@ Return the last node appended
 
 #### Defined in
 
-[mermaidAPI.ts:299](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L299)
+[mermaidAPI.ts:263](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L263)
 
 ---
 
@@ -153,7 +153,7 @@ the cleaned up svgCode
 
 #### Defined in
 
-[mermaidAPI.ts:245](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L245)
+[mermaidAPI.ts:209](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L209)
 
 ---
 
@@ -178,7 +178,7 @@ the string with all the user styles
 
 #### Defined in
 
-[mermaidAPI.ts:175](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L175)
+[mermaidAPI.ts:139](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L139)
 
 ---
 
@@ -201,7 +201,7 @@ the string with all the user styles
 
 #### Defined in
 
-[mermaidAPI.ts:222](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L222)
+[mermaidAPI.ts:186](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L186)
 
 ---
 
@@ -228,47 +228,7 @@ with an enclosing block that has each of the cssClasses followed by !important;
 
 #### Defined in
 
-[mermaidAPI.ts:160](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L160)
-
----
-
-### decodeEntities
-
-▸ **decodeEntities**(`text`): `string`
-
-#### Parameters
-
-| Name   | Type     | Description        |
-| :----- | :------- | :----------------- |
-| `text` | `string` | text to be decoded |
-
-#### Returns
-
-`string`
-
-#### Defined in
-
-[mermaidAPI.ts:146](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L146)
-
----
-
-### encodeEntities
-
-▸ **encodeEntities**(`text`): `string`
-
-#### Parameters
-
-| Name   | Type     | Description        |
-| :----- | :------- | :----------------- |
-| `text` | `string` | text to be encoded |
-
-#### Returns
-
-`string`
-
-#### Defined in
-
-[mermaidAPI.ts:117](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L117)
+[mermaidAPI.ts:124](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L124)
 
 ---
 
@@ -294,7 +254,7 @@ Put the svgCode into an iFrame. Return the iFrame code
 
 #### Defined in
 
-[mermaidAPI.ts:276](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L276)
+[mermaidAPI.ts:240](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L240)
 
 ---
 
@@ -319,4 +279,4 @@ Remove any existing elements from the given document
 
 #### Defined in
 
-[mermaidAPI.ts:349](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L349)
+[mermaidAPI.ts:313](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/mermaidAPI.ts#L313)

packages/mermaid/src/Diagram.ts

@@ -3,6 +3,8 @@ import { log } from './logger.js';
 import { getDiagram, registerDiagram } from './diagram-api/diagramAPI.js';
 import { detectType, getDiagramLoader } from './diagram-api/detectType.js';
 import { UnknownDiagramError } from './errors.js';
+import { encodeEntities } from './utils.js';
+
 import type { DetailedError } from './utils.js';
 import type { DiagramDefinition, DiagramMetadata } from './diagram-api/types.js';
 
@@ -21,6 +23,7 @@ export class Diagram {
 
   private detectError?: UnknownDiagramError;
   constructor(public text: string, public metadata: Pick<DiagramMetadata, 'title'> = {}) {
+    this.text = encodeEntities(text);
     this.text += '\n';
     const cnf = configApi.getConfig();
     try {

packages/mermaid/src/dagre-wrapper/createLabel.js

@@ -2,7 +2,7 @@ import { select } from 'd3';
 import { log } from '../logger.js';
 import { getConfig } from '../diagram-api/diagramAPI.js';
 import { evaluate } from '../diagrams/common/common.js';
-import { decodeEntities } from '../mermaidAPI.js';
+import { decodeEntities } from '../utils.js';
 
 /**
  * @param dom

packages/mermaid/src/dagre-wrapper/shapes/util.js

@@ -1,9 +1,9 @@
 import createLabel from '../createLabel.js';
 import { createText } from '../../rendering-util/createText.js';
 import { getConfig } from '../../diagram-api/diagramAPI.js';
-import { decodeEntities } from '../../mermaidAPI.js';
 import { select } from 'd3';
 import { evaluate, sanitizeText } from '../../diagrams/common/common.js';
+import { decodeEntities } from '../../utils.js';
 
 export const labelHelper = async (parent, node, _classes, isNode) => {
   let classes;

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!`);
+    // @ts-ignore: we need to add types for sequenceDb which will be done in separate PR
+    const messages = diagram.db?.getMessages?.();
+    if (!messages) {
+      throw new Error('Messages not found!');
+    }
+
+    expect(messages[0].message).toBe('I fl°°9829¶ß you!');
+    expect(messages[1].message).toBe('I fl°°9829¶ß you fl°infin¶ß times more!');
+  });
 });

packages/mermaid/src/mermaidAPI.spec.ts

@@ -38,8 +38,6 @@ import type { MermaidConfig } from './config.type.js';
 
 import mermaidAPI, { removeExistingElements } from './mermaidAPI.js';
 import {
-  encodeEntities,
-  decodeEntities,
   createCssStyles,
   createUserStyles,
   appendDivSvgG,
@@ -68,6 +66,7 @@ vi.mock('stylis', () => {
   };
 });
 import { compile, serialize } from 'stylis';
+import { decodeEntities, encodeEntities } from './utils.js';
 
 /**
  * @see https://vitest.dev/guide/mocking.html Mock part of a module

packages/mermaid/src/mermaidAPI.ts

@@ -30,6 +30,7 @@ import isEmpty from 'lodash-es/isEmpty.js';
 import { setA11yDiagramInfo, addSVGa11yTitleDescription } from './accessibility.js';
 import type { DiagramStyleClassDef } from './diagram-api/types.js';
 import { preprocessDiagram } from './preprocess.js';
+import { decodeEntities } from './utils.js';
 
 const MAX_TEXTLENGTH = 50_000;
 const MAX_TEXTLENGTH_EXCEEDED_MSG =
@@ -110,43 +111,6 @@ async function parse(text: string, parseOptions?: ParseOptions): Promise<boolean
   return true;
 }
 
-/**
- * @param  text - text to be encoded
- * @returns
- */
-export const encodeEntities = function (text: string): string {
-  let txt = text;
-
-  txt = txt.replace(/style.*:\S*#.*;/g, function (s): string {
-    return s.substring(0, s.length - 1);
-  });
-  txt = txt.replace(/classDef.*:\S*#.*;/g, function (s): string {
-    return s.substring(0, s.length - 1);
-  });
-
-  txt = txt.replace(/#\w+;/g, function (s) {
-    const innerTxt = s.substring(1, s.length - 1);
-
-    const isInt = /^\+?\d+$/.test(innerTxt);
-    if (isInt) {
-      return 'fl°°' + innerTxt + '¶ß';
-    } else {
-      return 'fl°' + innerTxt + '¶ß';
-    }
-  });
-
-  return txt;
-};
-
-/**
- *
- * @param  text - text to be decoded
- * @returns
- */
-export const decodeEntities = function (text: string): string {
-  return text.replace(/fl°°/g, '&#').replace(/fl°/g, '&').replace(/¶ß/g, ';');
-};
-
 // append !important; to each cssClass followed by a final !important, all enclosed in { }
 //
 /**
@@ -436,8 +400,6 @@ const render = async function (
     appendDivSvgG(root, id, enclosingDivID);
   }
 
-  text = encodeEntities(text);
-
   // -------------------------------------------------------------------------------
   // Create the diagram
 

packages/mermaid/src/rendering-util/createText.ts

@@ -3,8 +3,8 @@
 import type { Group } from '../diagram-api/types.js';
 import type { D3TSpanElement, D3TextElement } from '../diagrams/common/commonTypes.js';
 import { log } from '../logger.js';
-import { decodeEntities } from '../mermaidAPI.js';
 import { markdownToHTML, markdownToLines } from '../rendering-util/handle-markdown-text.js';
+import { decodeEntities } from '../utils.js';
 import { splitLineToFitWidth } from './splitText.js';
 import type { MarkdownLine, MarkdownWord } from './types.js';
 

packages/mermaid/src/utils.ts

@@ -888,3 +888,40 @@
   parseFontSize,
   InitIDGenerator,
 };
+
+/**
+ * @param  text - text to be encoded
+ * @returns
+ */
+export const encodeEntities = function (text: string): string {
+  let txt = text;
+
+  txt = txt.replace(/style.*:\S*#.*;/g, function (s): string {
+    return s.substring(0, s.length - 1);
+  });
+  txt = txt.replace(/classDef.*:\S*#.*;/g, function (s): string {
+    return s.substring(0, s.length - 1);
+  });
+
+  txt = txt.replace(/#\w+;/g, function (s) {
+    const innerTxt = s.substring(1, s.length - 1);
+
+    const isInt = /^\+?\d+$/.test(innerTxt);
+    if (isInt) {
+      return 'fl°°' + innerTxt + '¶ß';
+    } else {
+      return 'fl°' + innerTxt + '¶ß';
+    }
+  });
+
+  return txt;
+};
+
+/**
+ *
+ * @param  text - text to be decoded
+ * @returns
+ */
+export const decodeEntities = function (text: string): string {
+  return text.replace(/fl°°/g, '&#').replace(/fl°/g, '&').replace(/¶ß/g, ';');
+};