make condition more compact

Author: karser

src/Asset/EntrypointLookup.php

@@ -117,11 +117,8 @@ private function getEntriesData(): array
         }
 
         if (!file_exists($this->entrypointJsonPath)) {
-            if ($this->strictMode) {
-                throw new \InvalidArgumentException(sprintf('Could not find the entrypoints file from Webpack: the file "%s" does not exist.', $this->entrypointJsonPath));
-            } else {
-                return [];
-            }
+            if (!$this->strictMode) return [];
+            throw new \InvalidArgumentException(sprintf('Could not find the entrypoints file from Webpack: the file "%s" does not exist.', $this->entrypointJsonPath));
         }
 
         $this->entriesData = json_decode(file_get_contents($this->entrypointJsonPath), true);