feat: add support for .proto files

1 files changed, 14 insertions, 0 deletions

diff --git a/packages/core/src/services/fileSystemService.ts b/packages/core/src/services/fileSystemService.ts
index e2f30cf4..3e4cd30f 100644
--- a/packages/core/src/services/fileSystemService.ts
+++ b/packages/core/src/services/fileSystemService.ts
@@ -5,6 +5,7 @@
  */
 
 import fs from 'fs/promises';
+import protobuf from 'protobufjs';
 
 /**
  * Interface for file system operations that may be delegated to different implementations
@@ -19,6 +20,14 @@ export interface FileSystemService {
   readTextFile(filePath: string): Promise<string>;
 
   /**
+   * Read and parse a proto file
+   *
+   * @param filePath - The path to the file to read
+   * @returns The file content as a JSON string
+   */
+  readProtoFile(filePath: string): Promise<string>;
+
+  /**
    * Write text content to a file
    *
    * @param filePath - The path to the file to write
@@ -35,6 +44,11 @@ export class StandardFileSystemService implements FileSystemService {
     return fs.readFile(filePath, 'utf-8');
   }
 
+  async readProtoFile(filePath: string): Promise<string> {
+    const root = await protobuf.load(filePath);
+    return JSON.stringify(root.toJSON(), null, 2);
+  }
+
   async writeTextFile(filePath: string, content: string): Promise<void> {
     await fs.writeFile(filePath, content, 'utf-8');
   }