use phf for icon extension set

iroh-gateway/Cargo.toml

@@ -57,7 +57,7 @@ reqwest = { version = "0.11.10", features = ["rustls-tls"], default-features = f
 hex-literal = "0.3.4"
 hex = "0.4.3"
 http-body = "0.4.5"
-lazy_static = "1.4.0"
+phf = { version = "0.11", features = ["macros"] }
 
 [dev-dependencies]
 axum-macros = "0.2.0" # use #[axum_macros::debug_handler] for better error messages on handlers

iroh-gateway/src/handlers.rs

@@ -566,7 +566,6 @@ async fn serve_fs_dir<T: ContentLoader + std::marker::Unpin>(
             let mut el = HashMap::new();
             let path = match accum.last() {
                 Some(prev) => {
-                    let base = prev.get("path");
                     match prev.get("path") {
                         Some(base) => format!("/{}/{}", base, encode(path_el)),
                         None => format!("/{}", encode(path_el)),

iroh-gateway/src/templates.rs

@@ -1,28 +1,26 @@
-use lazy_static::lazy_static;
-use std::{collections::HashSet, ffi::OsStr, path::Path};
+use phf::{Set, phf_set};
+use std::{ffi::OsStr, path::Path};
 
 pub const DIR_LIST_TEMPLATE: &str = include_str!("../assets/dir_list.html");
 pub const NOT_FOUND_TEMPLATE: &str = include_str!("../assets/404.html");
 pub const STYLESHEET: &str = include_str!("../assets/style.css");
 pub const ICONS_STYLESHEET: &str = include_str!("../assets/icons.css");
 
-lazy_static! {
-    static ref KNOWN_ICONS: HashSet<&'static str> = HashSet::from([
-        ".aac", ".aiff", ".ai", ".avi", ".bmp", ".c", ".cpp", ".css", ".dat", ".dmg", ".doc",
+static KNOWN_ICONS: Set<&'static str> = phf_set! {
+    ".aac", ".aiff", ".ai", ".avi", ".bmp", ".c", ".cpp", ".css", ".dat", ".dmg", ".doc",
         ".dotx", ".dwg", ".dxf", ".eps", ".exe", ".flv", ".gif", ".h", ".hpp", ".html", ".ics",
         ".iso", ".java", ".jpg", ".jpeg", ".js", ".key", ".less", ".mid", ".mkv", ".mov", ".mp3",
         ".mp4", ".mpg", ".odf", ".ods", ".odt", ".otp", ".ots", ".ott", ".pdf", ".php", ".png",
         ".ppt", ".psd", ".py", ".qt", ".rar", ".rb", ".rtf", ".sass", ".scss", ".sql", ".tga",
         ".tgz", ".tiff", ".txt", ".wav", ".wmv", ".xls", ".xlsx", ".xml", ".yml", ".zip",
-    ]);
-}
+};
+
 
 pub fn icon_class_name(path: &str) -> String {
     let ext = Path::new(path)
         .extension()
         .and_then(OsStr::to_str)
         .unwrap_or("");
-
-    let icon = KNOWN_ICONS.get(ext).unwrap_or(&"_blank");
+    let icon = KNOWN_ICONS.contains(ext).then(|| ext).unwrap_or(&"_blank");
     format!("icon-{}", icon)
 }