From 25469ebab3f65a54252a2db9ebac6ec27e773e62 Mon Sep 17 00:00:00 2001
From: Robert Kaussow <mail@thegeeklab.de>
Date: Sun, 5 May 2024 14:56:07 +0200
Subject: [PATCH] feat: add new helper function IsDir (#72)

---
 file/dir.go  | 31 +++++++++++++++++++++++++++++++
 file/file.go | 11 -----------
 2 files changed, 31 insertions(+), 11 deletions(-)
 create mode 100644 file/dir.go

diff --git a/file/dir.go b/file/dir.go
new file mode 100644
index 0000000..d1e154d
--- /dev/null
+++ b/file/dir.go
@@ -0,0 +1,31 @@
+package file
+
+import (
+	"os"
+)
+
+// DeleteDir deletes the directory at the given path.
+// It returns nil if the deletion succeeds, or the deletion error otherwise.
+// If the directory does not exist, DeleteDir returns nil.
+func DeleteDir(path string) error {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		return nil
+	}
+
+	return os.Remove(path)
+}
+
+// IsDir returns whether the given path is a directory. If the path does not exist, it returns (false, nil).
+// If there is an error checking the path, it returns (false, err).
+func IsDir(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+
+	return false, err
+}
diff --git a/file/file.go b/file/file.go
index ae0015a..7a50c03 100644
--- a/file/file.go
+++ b/file/file.go
@@ -34,17 +34,6 @@ func ReadStringOrFile(input string) (string, bool, error) {
 	return string(result), true, nil
 }
 
-// DeleteDir deletes the directory at the given path.
-// It returns nil if the deletion succeeds, or the deletion error otherwise.
-// If the directory does not exist, DeleteDir returns nil.
-func DeleteDir(path string) error {
-	if _, err := os.Stat(path); os.IsNotExist(err) {
-		return nil
-	}
-
-	return os.Remove(path)
-}
-
 // ExpandFileList takes a list of file globs and expands them into a list
 // of matching file paths. It returns the expanded file list and any errors
 // from glob matching. This allows safely passing user input globs through to