Reduced dependency load

harper-ls/Cargo.toml

@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 harper-core = { path = "../harper-core", version = "0.5.0" }
 tower-lsp = "0.20.0"
-tokio = { version = "1.35.1", features = ["full"] }
+tokio = { version = "1.35.1", features = ["fs", "rt", "rt-multi-thread", "macros", "io-std", "io-util", "net"] }
 clap = { version = "4.4.18", features = ["derive"] }
 once_cell = "1.19.0"
 tree-sitter = "0.20.10"

harper-ls/src/backend.rs

@@ -1,4 +1,4 @@
-use std::{collections::HashMap, fs};
+use std::collections::HashMap;
 
 use harper_core::{
     parsers::{Markdown, Parser},
@@ -33,7 +33,7 @@ pub struct Backend {
 
 impl Backend {
     async fn update_document_from_file(&self, url: &Url) {
-        let content = fs::read_to_string(url.path()).unwrap();
+        let content = tokio::fs::read_to_string(url.path()).await.unwrap();
         self.update_document(url, &content).await;
     }
 

harper-ls/src/main.rs

@@ -25,7 +25,9 @@ async fn main() {
         let stdout = tokio::io::stdout();
         Server::new(stdin, stdout, socket).serve(service).await;
     } else {
-        let listener = TcpListener::bind("127.0.0.1:4000").await.unwrap();
+        let address = "127.0.0.1:4000";
+        let listener = TcpListener::bind(address).await.unwrap();
+        println!("Listening on {}", address);
         let (stream, _) = listener.accept().await.unwrap();
         let (read, write) = tokio::io::split(stream);
         Server::new(read, write, socket).serve(service).await;