🐛 fix: Incorrect math parser (#186)

src/Markdown/demos/data.ts

@@ -95,6 +95,13 @@ $$
 $$
 \\int_{a}^{b} f(x) \\, dx
 $$
+
+---
+
+我是一个嵌套测试：
+\`\`\`
+$1
+\`\`\`
 `;
 
 export const content2 = `# Customize Markdown Components

src/Markdown/index.tsx

@@ -21,7 +21,7 @@ import { CodeFullFeatured, CodeLite } from './CodeBlock';
 import type { TypographyProps } from './Typography';
 import { useStyles as useMarkdownStyles } from './markdown.style';
 import { useStyles } from './style';
-import { escapeBrackets, escapeDollarNumber, escapeMhchem } from './utils';
+import { escapeBrackets, escapeMhchem } from './utils';
 
 export interface MarkdownProps extends TypographyProps {
   allowHtml?: boolean;
@@ -65,7 +65,7 @@ const Markdown = memo<MarkdownProps>(
 
     const escapedContent = useMemo(() => {
       if (!enableLatex) return children;
-      return escapeMhchem(escapeBrackets(escapeDollarNumber(children)));
+      return escapeMhchem(escapeBrackets(children));
     }, [children, enableLatex]);
 
     const components: Components = useMemo(

src/Markdown/utils.ts

@@ -1,43 +1,3 @@
-export function escapeDollarNumber(text: string): string {
-  let escapedText = '';
-  let inCodeBlock = false;
-  let inSingleLineCodeBlock = false;
-  let i = 0;
-  while (i < text.length) {
-    let char = text[i];
-    if (char === '`') {
-      let tickCount = 1;
-      while (text[i + tickCount] === '`') {
-        tickCount++;
-      }
-      if (tickCount === 3) {
-        inCodeBlock = !inCodeBlock;
-        escapedText += '```';
-        i += tickCount;
-        continue;
-      } else if (tickCount === 1) {
-        inSingleLineCodeBlock = !inSingleLineCodeBlock;
-        escapedText += '`';
-        i += tickCount;
-        continue;
-      }
-    }
-    if (
-      !inCodeBlock &&
-      !inSingleLineCodeBlock &&
-      char === '$' &&
-      i + 1 < text.length &&
-      text[i + 1] >= '0' &&
-      text[i + 1] <= '9'
-    ) {
-      char = '\\$';
-    }
-    escapedText += char;
-    i++;
-  }
-  return escapedText;
-}
-
 export function escapeBrackets(text: string) {
   const pattern = /(```[\S\s]*?```|`.*?`)|\\\[([\S\s]*?[^\\])\\]|\\\((.*?)\\\)/g;
   return text.replaceAll(pattern, (match, codeBlock, squareBracket, roundBracket) => {