diff --git a/plugins/fs/guest-js/index.ts b/plugins/fs/guest-js/index.ts
index 1c269b5ef..ca7a14ed6 100644
--- a/plugins/fs/guest-js/index.ts
+++ b/plugins/fs/guest-js/index.ts
@@ -336,7 +336,7 @@ interface CreateOptions {
  */
 async function create(
   path: string | URL,
-  options?: CreateOptions
+  options?: CreateOptions,
 ): Promise<FsFile> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -416,7 +416,7 @@ interface OpenOptions {
  */
 async function open(
   path: string | URL,
-  options?: OpenOptions
+  options?: OpenOptions,
 ): Promise<FsFile> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -467,7 +467,7 @@ interface CopyFileOptions {
 async function copyFile(
   fromPath: string | URL,
   toPath: string | URL,
-  options?: CopyFileOptions
+  options?: CopyFileOptions,
 ): Promise<void> {
   if (
     (fromPath instanceof URL && fromPath.protocol !== "file:") ||
@@ -504,7 +504,7 @@ interface MkdirOptions {
  */
 async function mkdir(
   path: string | URL,
-  options?: MkdirOptions
+  options?: MkdirOptions,
 ): Promise<void> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -559,7 +559,7 @@ interface DirEntry {
  */
 async function readDir(
   path: string | URL,
-  options?: ReadDirOptions
+  options?: ReadDirOptions,
 ): Promise<DirEntry[]> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -625,7 +625,7 @@ interface ReadFileOptions {
  */
 async function readFile(
   path: string | URL,
-  options?: ReadFileOptions
+  options?: ReadFileOptions,
 ): Promise<Uint8Array> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -649,7 +649,7 @@ async function readFile(
  */
 async function readTextFile(
   path: string | URL,
-  options?: ReadFileOptions
+  options?: ReadFileOptions,
 ): Promise<string> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -676,7 +676,7 @@ async function readTextFile(
  */
 async function readTextFileLines(
   path: string | URL,
-  options?: ReadFileOptions
+  options?: ReadFileOptions,
 ): Promise<AsyncIterableIterator<string>> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -697,7 +697,7 @@ async function readTextFileLines(
 
       const [line, done] = await invoke<[string | null, boolean]>(
         "plugin:fs|read_text_file_lines_next",
-        { rid: this.rid }
+        { rid: this.rid },
       );
 
       // an iteration is over, reset rid for next iteration
@@ -733,7 +733,7 @@ interface RemoveOptions {
  */
 async function remove(
   path: string | URL,
-  options?: RemoveOptions
+  options?: RemoveOptions,
 ): Promise<void> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -768,7 +768,7 @@ interface RenameOptions {
 async function rename(
   oldPath: string | URL,
   newPath: string | URL,
-  options: RenameOptions
+  options: RenameOptions,
 ): Promise<void> {
   if (
     (oldPath instanceof URL && oldPath.protocol !== "file:") ||
@@ -824,7 +824,7 @@ async function rename(
 async function seek(
   rid: number,
   offset: number,
-  whence: SeekMode
+  whence: SeekMode,
 ): Promise<number> {
   return invoke("plugin:fs|seek", {
     rid,
@@ -851,7 +851,7 @@ interface StatOptions {
  */
 async function stat(
   path: string | URL,
-  options?: StatOptions
+  options?: StatOptions,
 ): Promise<FileInfo> {
   const res = await invoke<UnparsedFileInfo>("plugin:fs|stat", {
     path: path instanceof URL ? path.toString() : path,
@@ -875,7 +875,7 @@ async function stat(
  */
 async function lstat(
   path: string | URL,
-  options?: StatOptions
+  options?: StatOptions,
 ): Promise<FileInfo> {
   const res = await invoke<UnparsedFileInfo>("plugin:fs|lstat", {
     path: path instanceof URL ? path.toString() : path,
@@ -930,7 +930,7 @@ interface TruncateOptions {
 async function truncate(
   path: string | URL,
   len?: number,
-  options?: TruncateOptions
+  options?: TruncateOptions,
 ): Promise<void> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -1026,7 +1026,7 @@ interface WriteFileOptions {
 async function writeFile(
   path: string | URL,
   data: Uint8Array,
-  options?: WriteFileOptions
+  options?: WriteFileOptions,
 ): Promise<void> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");
@@ -1051,7 +1051,7 @@ async function writeFile(
 async function writeTextFile(
   path: string | URL,
   data: string,
-  options?: WriteFileOptions
+  options?: WriteFileOptions,
 ): Promise<void> {
   if (path instanceof URL && path.protocol !== "file:") {
     throw new TypeError("Must be a file URL.");