Add default option format=auto if no options specified

Author: aneeskhan47

src/CFImageResizing.php

@@ -53,6 +53,11 @@ public function build(): ?string
         // Construct the options string
         $options = [];
 
+        // if there are no options, we add the default format auto
+        if (blank($this->options)) {
+            $this->format('auto');
+        }
+
         foreach ($this->options as $key => $value) {
             $options[] = "{$key}={$value}";
         }

tests/CFImageTest.php

@@ -2,20 +2,20 @@
 
 use AneesKhan47\CloudflareImageResizing\CFImageResizing;
 
-it('will modify the image url to have /cdn-cgi/image', function () {
+it('will modify the image url to have /cdn-cgi/image with default format=auto option', function () {
     $url = 'https://example.com/image.jpg';
 
     $cfImage = CFImageResizing::make($url);
 
-    expect($cfImage->build())->toBe('https://example.com/cdn-cgi/image/image.jpg');
+    expect($cfImage->build())->toBe('https://example.com/cdn-cgi/image/format=auto/image.jpg');
 });
 
-it('will modify the image url to have /cdn-cgi/image if the url has a path', function () {
+it('will modify the image url to have /cdn-cgi/image with default format=auto option if the url has a path', function () {
     $url = 'https://example.com/uploads/2023/image.jpg';
 
     $cfImage = CFImageResizing::make($url);
 
-    expect($cfImage->build())->toBe('https://example.com/cdn-cgi/image/uploads/2023/image.jpg');
+    expect($cfImage->build())->toBe('https://example.com/cdn-cgi/image/format=auto/uploads/2023/image.jpg');
 });
 
 it('will modify the image url to have /cdn-cgi/image with options', function () {
@@ -30,6 +30,17 @@
     expect($cfImage)->toBe('https://example.com/cdn-cgi/image/width=300,height=300,format=jpeg/image.jpg');
 });
 
+it('will not add the default format=auto option to the image url if any options is provided', function () {
+    $url = 'https://example.com/image.jpg';
+
+    $cfImage = CFImageResizing::make($url)
+        ->width(300)
+        ->height(300)
+        ->build();
+
+    expect($cfImage)->toBe('https://example.com/cdn-cgi/image/width=300,height=300/image.jpg');
+});
+
 it('will not modify the image url if it already has /cdn-cgi/image', function () {
     $url = 'https://example.com/cdn-cgi/image/image.jpg';