nyx/src/utils/ext.rs

pub fn lowercase_ext(path: &std::path::Path) -> Option<&'static str> {
  path.extension()
    .and_then(|s| match s.to_str()? {
      "rs"  | "RS"  => Some("rs"),
      "c"           => Some("c"),
      "cpp" | "c++" => Some("cpp"),
      "java"        => Some("java"),
      "go"          => Some("go"),
      "php"         => Some("php"),
      "py"  | "PY"  => Some("py"),
      "ts" | "TSX"  | "tsx" => Some("ts"),
      "js"          => Some("js"),
      _ => None,
    })
}