From 077cc653d0a59c160e06ee9592dacae50a5e957c Mon Sep 17 00:00:00 2001
From: NicolasNewman <nnewman316@gmail.com>
Date: Wed, 31 May 2023 16:42:54 +0900
Subject: [PATCH] chore(katex): included uncommited files

---
 packages/mermaid/src/diagrams/common/common.ts          | 6 +++---
 packages/mermaid/src/diagrams/flowchart/flowRenderer.js | 9 +++++++--
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/packages/mermaid/src/diagrams/common/common.ts b/packages/mermaid/src/diagrams/common/common.ts
index 87f6653fe..1ba26f0c6 100644
--- a/packages/mermaid/src/diagrams/common/common.ts
+++ b/packages/mermaid/src/diagrams/common/common.ts
@@ -174,7 +174,7 @@ export const parseGenericTypes = function (text: string): string {
 
 // TODO: find a better method for detecting support. This interface was added in the MathML 4 spec.
 // Firefox versions between [4,71] (0.47%) and Safari versions between [5,13.4] (0.17%) don't have this interface implemented but MathML is supported
-export const isMathMLSupported = window.MathMLElement !== undefined;
+export const isMathMLSupported = () => window.MathMLElement !== undefined;
 
 export const katexRegex = /\$\$(.*)\$\$/g;
 
@@ -223,7 +223,7 @@ export const calculateMathMLDimensions = (text: string, config: MermaidConfig) =
  * @returns String containing MathML if KaTeX is supported, or an error message if it is not and stylesheets aren't present
  */
 export const renderKatex = (text: string, config: MermaidConfig): string => {
-  if (isMathMLSupported || (!isMathMLSupported && config.legacyMathML)) {
+  if (isMathMLSupported() || (!isMathMLSupported() && config.legacyMathML)) {
     return text
       .split(lineBreakRegex)
       .map((line) =>
@@ -241,7 +241,7 @@ export const renderKatex = (text: string, config: MermaidConfig): string => {
           .renderToString(c, {
             throwOnError: true,
             displayMode: true,
-            output: isMathMLSupported ? 'mathml' : 'htmlAndMathml',
+            output: isMathMLSupported() ? 'mathml' : 'htmlAndMathml',
           })
           .replace(/\n/g, ' ')
           .replace(/<annotation.*<\/annotation>/g, '')
diff --git a/packages/mermaid/src/diagrams/flowchart/flowRenderer.js b/packages/mermaid/src/diagrams/flowchart/flowRenderer.js
index f85d20219..c5ce60c43 100644
--- a/packages/mermaid/src/diagrams/flowchart/flowRenderer.js
+++ b/packages/mermaid/src/diagrams/flowchart/flowRenderer.js
@@ -61,7 +61,8 @@ export const addVertices = function (vert, g, svgId, root, _doc, diagObj) {
           vertexText.replace(
             /fa[blrs]?:fa-[\w-]+/g,
             (s) => `<i class='${s.replace(':', ' ')}'></i>`
-          )
+          ),
+          getConfig()
         ),
       };
       vertexNode = addHtmlLabel(svg, node).node();
@@ -242,7 +243,11 @@ export const addEdges = function (edges, g, diagObj) {
         edgeData.label = `<span id="L-${linkId}" class="edgeLabel L-${linkNameStart}' L-${linkNameEnd}" style="${
           edgeData.labelStyle
         }">${renderKatex(
-          edge.text.replace(/fa[blrs]?:fa-[\w-]+/g, (s) => `<i class='${s.replace(':', ' ')}'></i>`)
+          edge.text.replace(
+            /fa[blrs]?:fa-[\w-]+/g,
+            (s) => `<i class='${s.replace(':', ' ')}'></i>`
+          ),
+          getConfig()
         )}</span>`;
       } else {
         edgeData.labelType = 'text';