in native/src/work_asset/construct.rs [270:283]
fn guess_mime_type(uri: &String) -> Result<MimeType> {
if let Some(extension) = Path::new(uri).extension() {
match &extension.to_str().unwrap().to_ascii_lowercase()[..] {
"jpg" | "jpeg" => {
return Ok(MimeType("image/jpeg".to_string()));
}
"png" => {
return Ok(MimeType("image/png".to_string()));
}
_ => {}
}
};
Err(format!("Can't guess mime type of URI: {}", uri))
}