Disabled tiny placeholder generation when use_tiny_placeholder config…

… is disabled (#3513)

* Disabled tiny placeholder generation when use_tiny_placeholder config is disabled

* Conversion specific Width Calculator is supported

* Conversion specific Width Calculator is supported

* Revert "Conversion specific Width Calculator is supported"

This reverts commit 2864d0b.

* Revert "Conversion specific Width Calculator is supported"

This reverts commit f102ebf.

---------

Co-authored-by: jhorie <jhorie@mynober.nl>

config/media-library.php

@@ -225,6 +225,7 @@
         /*
          * By default rendering media to a responsive image will add some javascript and a tiny placeholder.
          * This ensures that the browser can already determine the correct layout.
+         * When disabled, no tiny placeholder is generated.
          */
         'use_tiny_placeholders' => true,
 

src/ResponsiveImages/ResponsiveImageGenerator.php

@@ -117,6 +117,10 @@ public function generateTinyJpg(
         string $conversionName,
         BaseTemporaryDirectory $temporaryDirectory
     ): void {
+        if (! config('media-library.responsive_images.use_tiny_placeholders')) {
+            return;
+        }
+
         $tempDestination = $temporaryDirectory->path('tiny.jpg');
 
         $this->tinyPlaceholderGenerator->generateTinyPlaceholder($originalImagePath, $tempDestination);

tests/ResponsiveImages/ResponsiveImageGeneratorTest.php

@@ -86,3 +86,29 @@
     $this->artisan('media-library:regenerate');
     expect($media->fresh()->responsive_images['thumb']['urls'])->toHaveCount(1);
 });
+
+it('will generate tiny placeholders when tiny placeholders are turned on', function () {
+    $media = $this->testModelWithConversion
+        ->addMedia($this->getTestJpg())
+        ->withResponsiveImages()
+        ->toMediaCollection();
+
+    $responsiveImage = $media->refresh()->responsive_images;
+
+    expect($responsiveImage['media_library_original'])->toHaveKey('base64svg');
+
+    expect((string) $responsiveImage['media_library_original']['base64svg'])->toContain('data:image/svg+xml;base64,');
+});
+
+it('will not generate tiny placeholders when tiny placeholders are turned off', function () {
+    config()->set('media-library.responsive_images.use_tiny_placeholders', false);
+
+    $media = $this->testModelWithConversion
+        ->addMedia($this->getTestJpg())
+        ->withResponsiveImages()
+        ->toMediaCollection();
+
+    $responsiveImage = $media->refresh()->responsive_images;
+
+    expect($responsiveImage['media_library_original'])->not()->toHaveKey('base64svg');
+});