add ensureExists method for Directory

src/Directory.php

@@ -81,7 +81,7 @@ public function clean(): bool
     /**
      * Create a directory.
      *
-     * @param  int  $mode      The mode is 0777 by default, which means the widest possible access.
+     * @param  int  $mode      The mode is 0755 by default, which means the widest possible access.
      * @param  bool $recursive Allows the creation of nested directories specified in the path.
      *
      * @return bool Returns TRUE on success or FALSE on failure.
@@ -146,6 +146,23 @@ public function copy(string $destination, ?int $flags = null): bool
         return true;
     }
 
+    /**
+     * Ensure a directory exists.
+     *
+     * @param  int  $mode      The mode is 0755 by default, which means the widest possible access.
+     * @param  bool $recursive Allows the creation of nested directories specified in the path.
+     *
+     * @return bool Returns TRUE on success or FALSE on failure.
+     */
+    public function ensureExists($mode = 0755, $recursive = false)
+    {
+        if ($this->exists() === false) {
+            return $this->create($mode, $recursive);
+        }
+
+        return true;
+    }
+
     /**
      * Checks the existence of directory and returns false if any of them is missing.
      *

tests/FilesystemTest.php

@@ -96,7 +96,6 @@
     $this->assertTrue($filesystem->isStream('file://1.txt'));
 });
 
-
 test('test isAbsolute method', function (): void {
     $filesystem = new Filesystem();
 
@@ -228,6 +227,12 @@
     $this->assertTrue($filesystem->directory($this->tempDir . '/2/3/4/')->create(0755, true));
 });
 
+test('test directory ensureExists() method', function (): void {
+    $filesystem = new Filesystem();
+    $this->assertTrue($filesystem->directory($this->tempDir . '/1')->ensureExists());
+    $this->assertTrue($filesystem->directory($this->tempDir . '/1/2/3/4/')->ensureExists(0755, true));
+    $this->assertTrue($filesystem->directory($this->tempDir . '/2/3/4/')->ensureExists(0755, true));
+});
 
 test('test directory move() method', function (): void {
     @mkdir($this->tempDir . '/1');