fix: ensure exists file/dir must be the same type or it will throw error (denoland/deno_std#294)

Original: https://github.com/denoland/deno_std/commit/24f41f67bdbc9f426e3f9f03598a1010748d8200

1 files changed, 17 insertions, 0 deletions

diff --git a/fs/utils.ts b/fs/utils.ts
index dd7ee5fa4..410e45909 100644
--- a/fs/utils.ts
+++ b/fs/utils.ts
@@ -21,3 +21,20 @@ export function isSubdir(
     return acc && destArray[i] === current;
   }, true);
 }
+
+export enum PathType {
+  file = "file",
+  dir = "dir",
+  symlink = "symlink"
+}
+
+/* Get a human readable file type string */
+export function getFileInfoType(fileInfo: Deno.FileInfo): PathType | null {
+  return fileInfo.isFile()
+    ? PathType.file
+    : fileInfo.isDirectory()
+    ? PathType.dir
+    : fileInfo.isSymlink()
+    ? PathType.symlink
+    : null;
+}