add fast-xml-parser dependency management

scripts/extract-elx/extract-elx.js

@@ -22,7 +22,6 @@ const fs = require('fs').promises;
 const path = require('path');
 const { execSync } = require('child_process');
 const { existsSync } = require('fs');
-const { XMLParser } = require('fast-xml-parser');
 
 // Import xml-formatter (try multiple locations)
 let xmlFormatter;
@@ -45,6 +44,27 @@ try {
   }
 }
 
+// Import fast-xml-parser (try multiple locations)
+let fastXmlParser;
+try {
+  // Try local node_modules first
+  fastXmlParser = require('fast-xml-parser');
+} catch (err) {
+  try {
+    // Try to find npm global prefix and load from there
+    const npmPrefix = execSync('npm config get prefix', { encoding: 'utf-8' }).trim();
+    const globalFastXmlParser = path.join(npmPrefix, 'node_modules', 'fast-xml-parser');
+    fastXmlParser = require(globalFastXmlParser);
+  } catch (err2) {
+    console.error(
+      '\n❌ Missing dependency: fast-xml-parser\n' +
+      'Please install globally with: npm install -g fast-xml-parser\n' +
+      'Or locally in the current directory with: npm install fast-xml-parser\n'
+    );
+    process.exit(1);
+  }
+}
+
 // ============================================================================
 // CONFIGURATION
 // ============================================================================
@@ -119,12 +139,10 @@ const XML_PARSE_OPTIONS = {
   trimValues: false,
 };
 
-const xmlParser = new XMLParser(XML_PARSE_OPTIONS);
-
 function parseXmlDocument(xmlString) {
   if (typeof xmlString !== 'string') return null;
   try {
-    return xmlParser.parse(xmlString);
+    return new fastXmlParser.XMLParser(XML_PARSE_OPTIONS).parse(xmlString);
   } catch (error) {
     return null;
   }