calculateContent example

$this->assetsBeingCreated[] = $logicalPath;

            $asset = new MappedAsset($logicalPath, $sourcePath, $this->assetsPathResolver->resolvePublicPath($logicalPath));

            [$digest, $isPredigested] = $this->getDigest($asset);

            $asset = new MappedAsset(
                $asset->logicalPath,
                $asset->sourcePath,
                $asset->publicPathWithoutDigest,
                $this->getPublicPath($asset),
                $this->calculateContent($asset),
                $digest,
                $isPredigested,
                $asset->getDependencies(),
                $asset->getFileDependencies(),
            );

            $this->assetsCache[$logicalPath] = $asset;

            array_pop($this->assetsBeingCreated);
        }