support for adding empty directories. resolves #62

Author: jszobody

src/Builder.php

@@ -37,6 +37,8 @@ class Builder implements Responsable
 
     protected Closure $afterProcessing;
 
+    protected array $directories = [];
+
     public function __construct(array $files = [])
     {
         $this->queue = new Queue();
@@ -88,6 +90,13 @@ public function addRaw($content, string $zipPath): self
         return $this->add(new TempFile($content, $zipPath));
     }
 
+    public function addDirectory(string $name): self
+    {
+        $this->directories[] = $name;
+
+        return $this;
+    }
+
     public function setMeta(array $meta): self
     {
         $this->meta = collect($meta);
@@ -243,6 +252,10 @@ protected function prepare(): ZipStream
 
         $this->queue->each->prepare($zip);
 
+        foreach($this->directories as $directory) {
+            $zip->addDirectory($directory);
+        }
+
         return $zip;
     }
 

tests/ZipTest.php

@@ -136,4 +136,32 @@ public function testSaveToDisk()
         $this->assertTrue(file_exists("/tmp/my-prefix/$folder/test.zip"));
         unlink("/tmp/my-prefix/$folder/test.zip");
     }
+
+    public function testEmptyDirectory()
+    {
+        $testrun = microtime();
+        file_put_contents("/tmp/test1.txt", "this is the first test file for test run $testrun");
+
+        /** @var Builder $zip */
+        $zip = Zip::create("test.zip", ["/tmp/test1.txt"])->addDirectory($directory = Str::random());
+
+        // Create a random folder path that doesn't exist, so we know it was created
+        $dir = "/tmp/" . Str::random();
+        $zip->saveTo($dir);
+
+        $this->assertTrue(file_exists("$dir/test.zip"));
+
+		$z = new ZipArchive();
+        $z->open("$dir/test.zip");
+        $this->assertEquals(2, $z->numFiles);
+        $this->assertNotFalse($z->getFromName($directory . "/"));
+
+        $z->extractTo($dir . "/extracted");
+        $this->assertTrue(file_exists("$dir/extracted/$directory/"));
+        $this->assertTrue(is_dir("$dir/extracted/$directory/"));
+
+        rmdir("$dir/extracted/$directory/");
+        unlink("$dir/extracted/test1.txt");
+        unlink("$dir/test.zip");
+    }
 }