feat: unkown

src/lib/ommlConverter.ts

@@ -0,0 +1,50 @@
+/**
+ * MathML to OMML Converter
+ * 
+ * Uses 'mathml2omml' library to convert MathML to Office Math Markup Language (OMML).
+ * This is a pure JavaScript implementation and does not require external XSLT files.
+ */
+
+import { mml2omml } from 'mathml2omml';
+
+/**
+ * Converts MathML string to OMML string using mathml2omml library.
+ * @param mathml The MathML content string
+ * @returns Promise resolving to OMML string
+ */
+export async function convertMathmlToOmml(mathml: string): Promise<string> {
+  try {
+    // The library is synchronous, but we keep the async signature for compatibility 
+    // and potential future changes (e.g. if we move this to a worker).
+    const omml = mml2omml(mathml);
+    return omml;
+  } catch (error) {
+    console.error('MathML to OMML conversion failed:', error);
+    return '';
+  }
+}
+
+/**
+ * Wraps OMML in Word XML clipboard format if needed.
+ * This helps Word recognize it when pasting as text.
+ */
+export function wrapOmmlForClipboard(omml: string): string {
+  // Replace 2006 namespaces with 2004/2003 namespaces for Word 2003 XML compatibility
+  // This is necessary because the clipboard format uses the older Word XML structure
+  const compatibleOmml = omml
+    .replace(/http:\/\/schemas\.openxmlformats\.org\/officeDocument\/2006\/math/g, 'http://schemas.microsoft.com/office/2004/12/omml')
+    .replace(/http:\/\/schemas\.openxmlformats\.org\/wordprocessingml\/2006\/main/g, 'http://schemas.microsoft.com/office/word/2003/wordml');
+
+  // Simple XML declaration wrapper often helps
+  return `<?xml version="1.0"?>
+<?mso-application progid="Word.Document"?>
+<w:wordDocument xmlns:w="http://schemas.microsoft.com/office/word/2003/wordml" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml">
+<w:body>
+<w:p>
+  <m:oMathPara>
+    ${compatibleOmml}
+  </m:oMathPara>
+</w:p>
+</w:body>
+</w:wordDocument>`;
+}