Read and write files through Zed (#6169)

Co-authored-by: Agus Zubiaga <[email protected]>

1 files changed, 12 insertions, 4 deletions

diff --git a/packages/core/src/tools/edit.ts b/packages/core/src/tools/edit.ts
index 8d90dfe4..35e828b0 100644
--- a/packages/core/src/tools/edit.ts
+++ b/packages/core/src/tools/edit.ts
@@ -125,7 +125,9 @@ class EditToolInvocation implements ToolInvocation<EditToolParams, ToolResult> {
       | undefined = undefined;
 
     try {
-      currentContent = fs.readFileSync(params.file_path, 'utf8');
+      currentContent = await this.config
+        .getFileSystemService()
+        .readTextFile(params.file_path);
       // Normalize line endings to LF for consistent processing.
       currentContent = currentContent.replace(/\r\n/g, '\n');
       fileExists = true;
@@ -339,7 +341,9 @@ class EditToolInvocation implements ToolInvocation<EditToolParams, ToolResult> {
 
     try {
       this.ensureParentDirectoriesExist(this.params.file_path);
-      fs.writeFileSync(this.params.file_path, editData.newContent, 'utf8');
+      await this.config
+        .getFileSystemService()
+        .writeTextFile(this.params.file_path, editData.newContent);
 
       let displayResult: ToolResultDisplay;
       if (editData.isNewFile) {
@@ -504,7 +508,9 @@ Expectation for required parameters:
       getFilePath: (params: EditToolParams) => params.file_path,
       getCurrentContent: async (params: EditToolParams): Promise<string> => {
         try {
-          return fs.readFileSync(params.file_path, 'utf8');
+          return this.config
+            .getFileSystemService()
+            .readTextFile(params.file_path);
         } catch (err) {
           if (!isNodeError(err) || err.code !== 'ENOENT') throw err;
           return '';
@@ -512,7 +518,9 @@ Expectation for required parameters:
       },
       getProposedContent: async (params: EditToolParams): Promise<string> => {
         try {
-          const currentContent = fs.readFileSync(params.file_path, 'utf8');
+          const currentContent = await this.config
+            .getFileSystemService()
+            .readTextFile(params.file_path);
           return applyReplacement(
             currentContent,
             params.old_string,