feat(fs): add more unix-only fields to FileInfo (#3680)

1 files changed, 61 insertions, 7 deletions

diff --git a/cli/js/file_info.ts b/cli/js/file_info.ts
index 2f08658c7..f0ab5bf6c 100644
--- a/cli/js/file_info.ts
+++ b/cli/js/file_info.ts
@@ -1,5 +1,6 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { StatResponse } from "./stat.ts";
+import { build } from "./build.ts";
 
 /** A FileInfo describes a file and is returned by `stat`, `lstat`,
  * `statSync`, `lstatSync`.
@@ -22,13 +23,38 @@ export interface FileInfo {
    * be available on all platforms.
    */
   created: number | null;
+
+  /** The file or directory name. */
+  name: string | null;
+
+  /** ID of the device containing the file. Unix only. */
+  dev: number | null;
+
+  /** Inode number. Unix only. */
+  ino: number | null;
+
   /** The underlying raw st_mode bits that contain the standard Unix permissions
    * for this file/directory. TODO Match behavior with Go on windows for mode.
    */
   mode: number | null;
 
-  /** The file or directory name. */
-  name: string | null;
+  /** Number of hard links pointing to this file. Unix only. */
+  nlink: number | null;
+
+  /** User ID of the owner of this file. Unix only. */
+  uid: number | null;
+
+  /** User ID of the owner of this file. Unix only. */
+  gid: number | null;
+
+  /** Device ID of this file. Unix only. */
+  rdev: number | null;
+
+  /** Blocksize for filesystem I/O. Unix only. */
+  blksize: number | null;
+
+  /** Number of blocks allocated to the file, in 512-byte units. Unix only. */
+  blocks: number | null;
 
   /** Returns whether this is info for a regular file. This result is mutually
    * exclusive to `FileInfo.isDirectory` and `FileInfo.isSymlink`.
@@ -54,17 +80,37 @@ export class FileInfoImpl implements FileInfo {
   modified: number | null;
   accessed: number | null;
   created: number | null;
-  mode: number | null;
   name: string | null;
 
+  dev: number | null;
+  ino: number | null;
+  mode: number | null;
+  nlink: number | null;
+  uid: number | null;
+  gid: number | null;
+  rdev: number | null;
+  blksize: number | null;
+  blocks: number | null;
+
   /* @internal */
   constructor(private _res: StatResponse) {
+    const isUnix = build.os === "mac" || build.os === "linux";
     const modified = this._res.modified;
     const accessed = this._res.accessed;
     const created = this._res.created;
-    const hasMode = this._res.hasMode;
-    const mode = this._res.mode; // negative for invalid mode (Windows)
     const name = this._res.name;
+    // Unix only
+    const {
+      dev,
+      ino,
+      mode,
+      nlink,
+      uid,
+      gid,
+      rdev,
+      blksize,
+      blocks
+    } = this._res;
 
     this._isFile = this._res.isFile;
     this._isSymlink = this._res.isSymlink;
@@ -72,9 +118,17 @@ export class FileInfoImpl implements FileInfo {
     this.modified = modified ? modified : null;
     this.accessed = accessed ? accessed : null;
     this.created = created ? created : null;
-    // null on Windows
-    this.mode = hasMode ? mode : null;
     this.name = name ? name : null;
+    // Only non-null if on Unix
+    this.dev = isUnix ? dev : null;
+    this.ino = isUnix ? ino : null;
+    this.mode = isUnix ? mode : null;
+    this.nlink = isUnix ? nlink : null;
+    this.uid = isUnix ? uid : null;
+    this.gid = isUnix ? gid : null;
+    this.rdev = isUnix ? rdev : null;
+    this.blksize = isUnix ? blksize : null;
+    this.blocks = isUnix ? blocks : null;
   }
 
   isFile(): boolean {