some styling cleanup

shims/fs/promises.js

@@ -2,7 +2,10 @@ export function createFsPromises(metadataCache, contentCache, transport) {
   return {
     async stat(path) {
       const cached = metadataCache.toStat(path);
-      if (cached) return cached;
+
+      if (cached) {
+        return cached;
+      }
 
       const meta = await transport.stat(path);
       metadataCache.set(path, meta);
@@ -16,13 +19,16 @@ export function createFsPromises(metadataCache, contentCache, transport) {
 
     async readdir(path) {
       const meta = metadataCache.get(path);
+
       if (meta && meta.type === "file") {
         return [];
       }
+
       if (!meta && path && path !== "/" && path !== ".") {
         const e = new Error(
           `ENOENT: no such file or directory, scandir '${path}'`,
         );
+
         e.code = "ENOENT";
         throw e;
       }
@@ -31,7 +37,10 @@ export function createFsPromises(metadataCache, contentCache, transport) {
     },
 
     async readFile(path, encoding) {
-      if (typeof encoding === "object") encoding = encoding?.encoding;
+      if (typeof encoding === "object") {
+        encoding = encoding?.encoding;
+      }
+
       const wantText = encoding === "utf8" || encoding === "utf-8";
 
       const meta = metadataCache.get(path);
@@ -40,6 +49,7 @@ export function createFsPromises(metadataCache, contentCache, transport) {
         e.code = "EISDIR";
         throw e;
       }
+
       if (!meta && path) {
         const e = new Error(
           `ENOENT: no such file or directory, open '${path}'`,
@@ -49,16 +59,19 @@ export function createFsPromises(metadataCache, contentCache, transport) {
       }
 
       const cached = contentCache.get(path);
+
       if (cached !== null) {
         if (wantText) {
           return typeof cached === "string"
             ? cached
             : new TextDecoder().decode(cached);
         }
+
         // binary. ensure we return a proper Uint8Array with .buffer
         if (typeof cached === "string") {
           return new TextEncoder().encode(cached);
         }
+
         return cached;
       }
 
@@ -68,11 +81,15 @@ export function createFsPromises(metadataCache, contentCache, transport) {
     },
 
     async writeFile(path, data, encoding) {
-      if (typeof encoding === "object") encoding = encoding?.encoding;
+      if (typeof encoding === "object") {
+        encoding = encoding?.encoding;
+      }
 
       contentCache.set(path, data);
+
       const size =
         typeof data === "string" ? data.length : data.byteLength || 0;
+
       metadataCache.set(path, {
         type: "file",
         size,
@@ -81,6 +98,7 @@ export function createFsPromises(metadataCache, contentCache, transport) {
       });
 
       const result = await transport.writeFile(path, data, encoding);
+
       if (result.mtime) {
         metadataCache.set(path, {
           type: "file",
@@ -93,6 +111,7 @@ export function createFsPromises(metadataCache, contentCache, transport) {
 
     async appendFile(path, data, encoding) {
       contentCache.invalidate(path);
+
       await transport.appendFile(path, data);
 
       const meta = await transport.stat(path);
@@ -102,15 +121,18 @@ export function createFsPromises(metadataCache, contentCache, transport) {
     async unlink(path) {
       contentCache.delete(path);
       metadataCache.delete(path);
+
       await transport.unlink(path);
     },
 
     async rename(oldPath, newPath) {
       const content = contentCache.get(oldPath);
+
       if (content !== null) {
         contentCache.set(newPath, content);
         contentCache.delete(oldPath);
       }
+
       metadataCache.rename(oldPath, newPath);
 
       await transport.rename(oldPath, newPath);
@@ -119,7 +141,9 @@ export function createFsPromises(metadataCache, contentCache, transport) {
     async mkdir(path, options) {
       const recursive =
         typeof options === "object" ? !!options.recursive : !!options;
+
       metadataCache.set(path, { type: "directory" });
+
       await transport.mkdir(path, recursive);
     },
 
@@ -131,19 +155,25 @@ export function createFsPromises(metadataCache, contentCache, transport) {
     async rm(path, options) {
       const recursive =
         typeof options === "object" ? !!options.recursive : false;
+
       metadataCache.delete(path);
       contentCache.delete(path);
+
       await transport.rm(path, recursive);
     },
 
     async copyFile(src, dest) {
       await transport.copyFile(src, dest);
+
       const meta = await transport.stat(dest);
       metadataCache.set(dest, meta);
     },
 
     async access(path) {
-      if (metadataCache.has(path)) return;
+      if (metadataCache.has(path)) {
+        return;
+      }
+
       const e = new Error(
         `ENOENT: no such file or directory, access '${path}'`,
       );
@@ -152,7 +182,10 @@ export function createFsPromises(metadataCache, contentCache, transport) {
     },
 
     async realpath(path) {
-      if (!path || path === "/" || path === ".") return "/";
+      if (!path || path === "/" || path === ".") {
+        return "/";
+      }
+
       return transport.realpath(path);
     },