Add working test config for filesystem

src/filesystem/path-utils.ts

@@ -0,0 +1,86 @@
+import path from "path";
+import os from 'os';
+
+/**
+ * Converts WSL or Unix-style Windows paths to Windows format
+ * @param p The path to convert
+ * @returns Converted Windows path
+ */
+export function convertToWindowsPath(p: string): string {
+  // Handle WSL paths (/mnt/c/...)
+  if (p.startsWith('/mnt/')) {
+    const driveLetter = p.charAt(5).toUpperCase();
+    const pathPart = p.slice(6).replace(/\//g, '\\');
+    return `${driveLetter}:${pathPart}`;
+  }
+  
+  // Handle Unix-style Windows paths (/c/...)
+  if (p.match(/^\/[a-zA-Z]\//)) {
+    const driveLetter = p.charAt(1).toUpperCase();
+    const pathPart = p.slice(2).replace(/\//g, '\\');
+    return `${driveLetter}:${pathPart}`;
+  }
+
+  // Handle standard Windows paths, ensuring backslashes
+  if (p.match(/^[a-zA-Z]:/)) {
+    return p.replace(/\//g, '\\');
+  }
+
+  // Leave non-Windows paths unchanged
+  return p;
+}
+
+/**
+ * Normalizes path by standardizing format while preserving OS-specific behavior
+ * @param p The path to normalize
+ * @returns Normalized path
+ */
+export function normalizePath(p: string): string {
+  // Remove any surrounding quotes and whitespace
+  p = p.trim().replace(/^["']|["']$/g, '');
+  
+  // Check if this is a Unix path (starts with / but not a Windows or WSL path)
+  const isUnixPath = p.startsWith('/') && 
+                    !p.match(/^\/mnt\/[a-z]\//i) && 
+                    !p.match(/^\/[a-zA-Z]\//);
+  
+  if (isUnixPath) {
+    // For Unix paths, just normalize without converting to Windows format
+    // Replace double slashes with single slashes and remove trailing slashes
+    return p.replace(/\/+/g, '/').replace(/\/+$/, '');
+  }
+  
+  // Convert WSL or Unix-style Windows paths to Windows format
+  p = convertToWindowsPath(p);
+  
+  // Handle double backslashes and ensure proper escaping
+  p = p.replace(/\\\\/g, '\\');
+  
+  // Use Node's path normalization, which handles . and .. segments
+  const normalized = path.normalize(p);
+  
+  // Handle Windows paths: convert slashes and ensure drive letter is capitalized
+  if (normalized.match(/^[a-zA-Z]:|^\/mnt\/[a-z]\/|^\/[a-z]\//i)) {
+    let result = normalized.replace(/\//g, '\\');
+    // Capitalize drive letter if present
+    if (/^[a-z]:/.test(result)) {
+      result = result.charAt(0).toUpperCase() + result.slice(1);
+    }
+    return result;
+  }
+  
+  // Leave other paths unchanged
+  return normalized;
+}
+
+/**
+ * Expands home directory tildes in paths
+ * @param filepath The path to expand
+ * @returns Expanded path
+ */
+export function expandHome(filepath: string): string {
+  if (filepath.startsWith('~/') || filepath === '~') {
+    return path.join(os.homedir(), filepath.slice(1));
+  }
+  return filepath;
+}