fix: improve debug messages in file writing functions and update workspace options destructuring

Author: pelikhan

packages/core/src/fs.ts

@@ -85,7 +85,7 @@ export async function writeText(fn: string, content: string) {
   if (!fn) throw new Error("filename is required");
   if (typeof content !== "string") throw new Error("content must be a string");
   await ensureDir(dirname(fn));
-  dbg(`writing text to file ${fn}`);
+  dbg(`write text ${fn}`);
   await writeFile(fn, content, { encoding: "utf8" });
 }
 
@@ -99,7 +99,7 @@ export async function writeText(fn: string, content: string) {
 export async function appendText(fn: string, content: string) {
   if (!fn) throw new Error("filename is required");
   await ensureDir(dirname(fn));
-  dbg(`append text to file ${fn}`);
+  dbg(`append text ${fn}`);
   await appendFile(fn, content, { encoding: "utf8" });
 }
 

packages/core/src/workspace.ts

@@ -122,7 +122,7 @@ export function createWorkspaceFileSystem(
     root: () => root,
     findFiles: async (glob: string, options: FindFilesOptions) => {
       dbg(`findFiles: ${JSON.stringify(options)}`);
-      const { readText, ignore, applyGitIgnore } = options || {};
+      const { ignore, applyGitIgnore } = options || {};
       const runtimeHost = resolveRuntimeHost();
       const names = (
         await runtimeHost.findFiles(glob, {
@@ -133,7 +133,7 @@ export function createWorkspaceFileSystem(
       const files: WorkspaceFile[] = [];
       for (const filename of names) {
         const file: WorkspaceFile =
-          readText === false
+          options?.readText === false
             ? {
                 filename,
               }
@@ -143,11 +143,13 @@ export function createWorkspaceFileSystem(
       return files;
     },
     writeText: async (filename: string, c: string) => {
-      checkWrite(filename);
+      checkWrite(filename);      
+      dbg(`write text %s`, filename);
       await writeText(filename, c);
     },
     appendText: async (filename: string, c: string) => {
       checkWrite(filename);
+      dbg(`append text %s`, filename);
       await appendText(filename, c);
     },
     readText: async (f: string | Awaitable<WorkspaceFile>) => {

samples/sample/genaisrc/fs-write-file.genai.mjs

@@ -0,0 +1,13 @@
+script({
+    systemSafety: false,
+    model:"none"
+})
+
+const write = await runPrompt(
+    (ctx) => {
+        ctx.$`Use GenAIScript's system.fs_write_file to write the string "foobar" to a file named "output.txt" in the current directory. Return an object with a single property "success" set to true if the operation was successful. If there was an error, return an object with a single property "error" containing the error message.`;
+    },
+    { model: "large", system: ["system.fs_write_file"] });
+if (write.error) {
+    cancel(`Failed to write file: ${write.error?.message ?? "No error message"} (finishReason: ${write.finishReason ?? "unknown"})`);
+}