feat(ext/fs): add isBlockDevice, isCharDevice, isFifo, isSocket to FileInfo (#19008)

`isFile`, `isDirectory`, `isSymlink` are defined in `Deno.FileInfo`, but
`isBlockDevice`, `isCharacterDevice`, `isFIFO`, `isSocket` are not
defined.

---------

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/ext/io/fs.rs b/ext/io/fs.rs
index e335324f5..9afa192ab 100644
--- a/ext/io/fs.rs
+++ b/ext/io/fs.rs
@@ -89,6 +89,10 @@ pub struct FsStat {
   pub rdev: u64,
   pub blksize: u64,
   pub blocks: u64,
+  pub is_block_device: bool,
+  pub is_char_device: bool,
+  pub is_fifo: bool,
+  pub is_socket: bool,
 }
 
 impl FsStat {
@@ -107,6 +111,20 @@ impl FsStat {
       }};
     }
 
+    macro_rules! unix_or_false {
+      ($member:ident) => {{
+        #[cfg(unix)]
+        {
+          use std::os::unix::fs::FileTypeExt;
+          metadata.file_type().$member()
+        }
+        #[cfg(not(unix))]
+        {
+          false
+        }
+      }};
+    }
+
     #[inline(always)]
     fn to_msec(maybe_time: Result<SystemTime, io::Error>) -> Option<u64> {
       match maybe_time {
@@ -139,6 +157,10 @@ impl FsStat {
       rdev: unix_or_zero!(rdev),
       blksize: unix_or_zero!(blksize),
       blocks: unix_or_zero!(blocks),
+      is_block_device: unix_or_false!(is_block_device),
+      is_char_device: unix_or_false!(is_char_device),
+      is_fifo: unix_or_false!(is_fifo),
+      is_socket: unix_or_false!(is_socket),
     }
   }
 }