mediaTypeFromExtension function

String? mediaTypeFromExtension(
  1. String extension
)

Detect image media type from file extension.

Implementation

String? mediaTypeFromExtension(String extension) =>
    switch (extension.toLowerCase()) {
      'jpg' || 'jpeg' => 'image/jpeg',
      'png' => 'image/png',
      'gif' => 'image/gif',
      'webp' => 'image/webp',
      _ => null,
    };