refactor(katex): revision changes

demos/sequence.html

@@ -62,41 +62,41 @@
     </pre>
     <hr />
     <pre class="mermaid">
-      sequenceDiagram
+    sequenceDiagram
-        accTitle: Sequence diagram title is here
+      accTitle: Sequence diagram title is here
-        accDescr: Hello friends
+      accDescr: Hello friends
 
-      participant Alice
+    participant Alice
-      participant Bob
+    participant Bob
-      participant John as John<br />Second Line
+    participant John as John<br />Second Line
-      rect rgb(200, 220, 100)
+    rect rgb(200, 220, 100)
-      rect rgb(200, 255, 200)
+    rect rgb(200, 255, 200)
-      Alice ->> Bob: Hello Bob, how are you?
+    Alice ->> Bob: Hello Bob, how are you?
-      Bob-->>John: How about you John?
+    Bob-->>John: How about you John?
-      end
+    end
-      Bob--x Alice: I am good thanks!
+    Bob--x Alice: I am good thanks!
-      Bob-x John: I am good thanks!
+    Bob-x John: I am good thanks!
-      Note right of John: John thinks a long<br />long time, so long<br />that the text does<br />not fit on a row.
+    Note right of John: John thinks a long<br />long time, so long<br />that the text does<br />not fit on a row.
-      Bob-->Alice: Checking with John...
+    Bob-->Alice: Checking with John...
-      Note over John:wrap: John looks like he's still thinking, so Bob prods him a bit.
+    Note over John:wrap: John looks like he's still thinking, so Bob prods him a bit.
-      Bob-x John: Hey John - we're still waiting to know<br />how you're doing
+    Bob-x John: Hey John - we're still waiting to know<br />how you're doing
-      Note over John:nowrap: John's trying hard not to break his train of thought.
+    Note over John:nowrap: John's trying hard not to break his train of thought.
-      Bob-x John:wrap: John! Are you still debating about how you're doing? How long does it take??
+    Bob-x John:wrap: John! Are you still debating about how you're doing? How long does it take??
-      Note over John: After a few more moments, John<br />finally snaps out of it.
+    Note over John: After a few more moments, John<br />finally snaps out of it.
-      end
+    end
-      alt either this
+    alt either this
-      Alice->>John: Yes
+    Alice->>John: Yes
-      else or this
+    else or this
-      Alice->>John: No
+    Alice->>John: No
-      else or this will happen
+    else or this will happen
-      Alice->John: Maybe
+    Alice->John: Maybe
-      end
+    end
-      par this happens in parallel
+    par this happens in parallel
-      Alice -->> Bob: Parallel message 1
+    Alice -->> Bob: Parallel message 1
-      and
+    and
-      Alice -->> John: Parallel message 2
+    Alice -->> John: Parallel message 2
-      end
+    end
-      </pre>
+    </pre>
     <hr />
 
     <pre class="mermaid">

packages/mermaid/src/diagrams/common/common.ts

@@ -240,7 +240,7 @@ export const calculateMathMLDimensions = async (text: string, config: MermaidCon
  * @returns String containing MathML if KaTeX is supported, or an error message if it is not and stylesheets aren't present
  */
 export const renderKatex = async (text: string, config: MermaidConfig): Promise<string> => {
-  if ((hasKatex(text) && isMathMLSupported()) || (!isMathMLSupported() && config.legacyMathML)) {
+  if (hasKatex(text) && (isMathMLSupported() || config.legacyMathML)) {
     // @ts-ignore @types/katex does not work
     const katex = (await import('katex')).default;
     return text