Initial upload: AI Context Generator CLI with TypeScript implementation

app/ai-context-generator-cli/src/utils/cli.ts

@@ -0,0 +1,39 @@
+import * as path from 'path';
+
+export class CLIUtils {
+  static resolveDirectory(dir: string): string {
+    if (path.isAbsolute(dir)) {
+      return dir;
+    }
+    return path.resolve(process.cwd(), dir);
+  }
+
+  static resolveOutputPath(
+    output: string,
+    format: 'json' | 'yaml'
+  ): string {
+    if (path.isAbsolute(output)) {
+      return output;
+    }
+
+    if (!output.endsWith(`.${format}`)) {
+      return `${output}.${format}`;
+    }
+
+    return output;
+  }
+
+  static formatBytes(bytes: number): string {
+    if (bytes === 0) return '0 B';
+    const k = 1024;
+    const sizes = ['B', 'KB', 'MB', 'GB'];
+    const i = Math.floor(Math.log(bytes) / Math.log(k));
+    return `${parseFloat((bytes / Math.pow(k, i)).toFixed(2))} ${sizes[i]}`;
+  }
+
+  static sanitizePattern(pattern: string): string {
+    return pattern
+      .replace(/\*/g, '.*')
+      .replace(/\?/g, '.');
+  }
+}