From 9e5e7b31e948a99b0b781fc43e1946764ffa4579 Mon Sep 17 00:00:00 2001
From: Knut Sveidqvist <knsv@sveido.com>
Date: Mon, 12 Sep 2022 08:51:52 +0200
Subject: [PATCH] Limiting the interaction between the mermaid diagram and
 Mermaid to the diagramAPI

---
 src/diagram-api/diagramAPI.ts        | 21 ++++++++++++++-------
 src/diagrams/mindmap/mindmap.spec.js |  2 +-
 src/diagrams/mindmap/mindmapDb.js    |  3 +--
 src/diagrams/mindmap/svgDraw.js      |  2 --
 4 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/src/diagram-api/diagramAPI.ts b/src/diagram-api/diagramAPI.ts
index eab74a022..232933e0d 100644
--- a/src/diagram-api/diagramAPI.ts
+++ b/src/diagram-api/diagramAPI.ts
@@ -1,11 +1,23 @@
-import { addDetector, DiagramDetector } from './detectType';
-import { log as _log } from '../logger';
+import { addDetector, DiagramDetector as _DiagramDetector } from './detectType';
+import { log as _log, setLogLevel as _setLogLevel } from '../logger';
 import { getConfig as _getConfig } from '../config';
 import { sanitizeText as _sanitizeText } from '../diagrams/common/common';
 import { MermaidConfig } from '../config.type';
 import { setupGraphViewbox as _setupGraphViewbox } from '../setupGraphViewbox';
 import { addStylesForDiagram } from '../styles';
 
+/* 
+  Packaging and exposing resources for externa diagrams so that they can import 
+  diagramAPI and have access to selct parts of mermaid common code reqiored to
+  create diagrams worling like the internal diagrams.
+*/
+export const log = _log;
+export const setLogLevel = _setLogLevel;
+export type DiagramDetector = _DiagramDetector;
+export const getConfig = _getConfig;
+export const sanitizeText = (text: string) => _sanitizeText(text, getConfig());
+export const setupGraphViewbox = _setupGraphViewbox;
+
 export interface DiagramDefinition {
   db: any;
   renderer: any;
@@ -35,8 +47,3 @@ export const getDiagram = (name: string): DiagramDefinition => {
   }
   throw new Error(`Diagram ${name} not found.`);
 };
-
-export const log = _log;
-export const getConfig = _getConfig;
-export const sanitizeText = (text: string) => _sanitizeText(text, getConfig());
-export const setupGraphViewbox = _setupGraphViewbox;
diff --git a/src/diagrams/mindmap/mindmap.spec.js b/src/diagrams/mindmap/mindmap.spec.js
index 155b566fb..e7909ef50 100644
--- a/src/diagrams/mindmap/mindmap.spec.js
+++ b/src/diagrams/mindmap/mindmap.spec.js
@@ -1,6 +1,6 @@
 import { parser as mindmap } from './parser/mindmap';
 import * as mindmapDB from './mindmapDb';
-import { setLogLevel } from '../../logger';
+import { setLogLevel } from '../../diagram-api/diagramAPI';
 
 describe('when parsing a mindmap ', function () {
   beforeEach(function () {
diff --git a/src/diagrams/mindmap/mindmapDb.js b/src/diagrams/mindmap/mindmapDb.js
index 48b242c9e..68906c5fb 100644
--- a/src/diagrams/mindmap/mindmapDb.js
+++ b/src/diagrams/mindmap/mindmapDb.js
@@ -1,6 +1,5 @@
 /** Created by knut on 15-01-14. */
-import { sanitizeText, getConfig } from '../../diagram-api/diagramAPI';
-import { log as _log } from '../../logger';
+import { sanitizeText, getConfig, log as _log } from '../../diagram-api/diagramAPI';
 
 let nodes = [];
 let cnt = 0;
diff --git a/src/diagrams/mindmap/svgDraw.js b/src/diagrams/mindmap/svgDraw.js
index 511c46e20..0b5c5e264 100644
--- a/src/diagrams/mindmap/svgDraw.js
+++ b/src/diagrams/mindmap/svgDraw.js
@@ -1,4 +1,3 @@
-const lineBreakRegex = /<br\s*\/?>/gi;
 import { select } from 'd3';
 import * as db from './mindmapDb';
 
@@ -15,7 +14,6 @@ function wrap(text, width) {
         .reverse(),
       word,
       line = [],
-      lineNumber = 0,
       lineHeight = 1.1, // ems
       y = text.attr('y'),
       dy = parseFloat(text.attr('dy')),