BREAKING: Include limited metadata in 'DirEntry' objects (#4941)

This change is to prevent needed a separate stat syscall for each file
when using readdir.

For consistency, this PR also modifies std's `WalkEntry` interface to
extend `DirEntry` with an additional `path` field.

1 files changed, 6 insertions, 2 deletions

diff --git a/std/node/_fs/_fs_dirent.ts b/std/node/_fs/_fs_dirent.ts
index 55fbad142..3ea1def42 100644
--- a/std/node/_fs/_fs_dirent.ts
+++ b/std/node/_fs/_fs_dirent.ts
@@ -4,11 +4,15 @@ export default class Dirent {
   constructor(private entry: Deno.DirEntry) {}
 
   isBlockDevice(): boolean {
-    return this.entry.blocks != null;
+    notImplemented("Deno does not yet support identification of block devices");
+    return false;
   }
 
   isCharacterDevice(): boolean {
-    return this.entry.blocks == null;
+    notImplemented(
+      "Deno does not yet support identification of character devices"
+    );
+    return false;
   }
 
   isDirectory(): boolean {