Add a Check that asset is not falsey

src/Traits/AudioCodec.php

@@ -12,6 +12,9 @@ trait AudioCodec
      */
     public function AudioCodec($audioCodec)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->transcode(Transcode::audioCodec($audioCodec));

src/Traits/AudioFrequency.php

@@ -12,6 +12,9 @@ trait AudioFrequency
      */
     public function AudioFrequency($audioFrequency)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->transcode(Transcode::audioFrequency($audioFrequency));

src/Traits/BitRate.php

@@ -10,6 +10,9 @@ trait BitRate
      */
     public function BitRate($bitRate)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->bitRate($bitRate);

src/Traits/Crop.php

@@ -14,6 +14,9 @@ trait Crop
      */
     public function Crop($width, $height, $gravity = null)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         if (empty($gravity) === true) {

src/Traits/DPR.php

@@ -12,6 +12,9 @@ trait DPR
      */
     public function DPR($dpr)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->delivery(Delivery::dpr($dpr));

src/Traits/Fill.php

@@ -14,6 +14,9 @@ trait Fill
      */
     public function Fill($width, $height, $gravity = null)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         if (empty($gravity) === true) {

src/Traits/Fit.php

@@ -14,6 +14,9 @@ trait Fit
      */
     public function Fit($width, $height, $aspectRatio = null)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->resize(Resize::fit($width, $height, $aspectRatio));

src/Traits/Flag.php

@@ -13,6 +13,9 @@ trait Flag
      */
     public function Flag($flag, ...$options)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->addFlag(TransformationFlag::$flag(...$options));

src/Traits/Format.php

@@ -13,6 +13,9 @@ trait Format
      */
     public function Format($format)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->delivery(Delivery::format(TransformationFormat::$format()));

src/Traits/KeyframeInterval.php

@@ -10,6 +10,9 @@ trait KeyframeInterval
      */
     public function KeyframeInterval($keyframeInterval)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->keyframeInterval($keyframeInterval);

src/Traits/Limit.php

@@ -14,6 +14,9 @@ trait Limit
      */
     public function Limit($width, $height, $aspectRatio = null)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->resize(Resize::limitFit($width, $height, $aspectRatio));

src/Traits/LimitFill.php

@@ -14,6 +14,9 @@ trait LimitFill
      */
     public function LimitFill($width, $height, $gravity = null)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         if (empty($gravity) === true) {

src/Traits/MinimumFit.php

@@ -14,6 +14,9 @@ trait MinimumFit
      */
     public function MinimumFit($width, $height, $aspectRatio = null)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->resize(Resize::minimumFit($width, $height, $aspectRatio));

src/Traits/Quality.php

@@ -10,6 +10,9 @@ trait Quality
      */
     public function Quality($quality)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->quality($quality);

src/Traits/Scale.php

@@ -14,6 +14,9 @@ trait Scale
      */
     public function Scale($width, $height, $aspectRatio = null)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->resize(Resize::scale($width, $height, $aspectRatio));

src/Traits/Thumb.php

@@ -14,6 +14,9 @@ trait Thumb
      */
     public function Thumb($width, $height, $gravity = null)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         if (empty($gravity) === true) {

src/Traits/VideoCodec.php

@@ -12,6 +12,9 @@ trait VideoCodec
      */
     public function VideoCodec($videoCodec)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->transcode(Transcode::videoCodec($videoCodec));

src/Traits/VideoSampling.php

@@ -10,6 +10,9 @@ trait VideoSampling
      */
     public function VideoSampling($videoSampling)
     {
+        if (!$this->asset) {
+            return null;
+        }
         $clone = $this->clone();
 
         $clone->asset->videoSampling($videoSampling);