diff --git a/crates/zed/src/languages.rs b/crates/zed/src/languages.rs index eb31c08dd2..0f8699aff2 100644 --- a/crates/zed/src/languages.rs +++ b/crates/zed/src/languages.rs @@ -18,6 +18,7 @@ mod python; mod ruby; mod rust; mod svelte; +mod tailwind; mod typescript; mod yaml; @@ -116,7 +117,11 @@ pub fn init(languages: Arc, node_runtime: Arc) { language( "html", tree_sitter_html::language(), - vec![Arc::new(html::HtmlLspAdapter::new(node_runtime.clone()))], + vec![ + // Arc::new(html::HtmlLspAdapter::new(node_runtime.clone())), + // Arc::new(emmet::EmmetLspAdapter::new(node_runtime.clone())), + Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())), + ], ); language( "ruby", diff --git a/crates/zed/src/languages/tailwind.rs b/crates/zed/src/languages/tailwind.rs new file mode 100644 index 0000000000..79f65eb578 --- /dev/null +++ b/crates/zed/src/languages/tailwind.rs @@ -0,0 +1,126 @@ +use anyhow::{anyhow, Result}; +use async_trait::async_trait; +use futures::StreamExt; +use language::{LanguageServerName, LspAdapter, LspAdapterDelegate}; +use lsp::LanguageServerBinary; +use node_runtime::NodeRuntime; +use serde_json::json; +use smol::fs; +use std::{ + any::Any, + ffi::OsString, + path::{Path, PathBuf}, + sync::Arc, +}; +use util::ResultExt; + +const SERVER_PATH: &'static str = "node_modules/.bin/tailwindcss-language-server"; + +fn server_binary_arguments(server_path: &Path) -> Vec { + vec![server_path.into(), "--stdio".into()] +} + +pub struct TailwindLspAdapter { + node: Arc, +} + +impl TailwindLspAdapter { + pub fn new(node: Arc) -> Self { + TailwindLspAdapter { node } + } +} + +#[async_trait] +impl LspAdapter for TailwindLspAdapter { + async fn name(&self) -> LanguageServerName { + LanguageServerName("tailwindcss-language-server".into()) + } + + async fn fetch_latest_server_version( + &self, + _: &dyn LspAdapterDelegate, + ) -> Result> { + Ok(Box::new( + self.node + .npm_package_latest_version("@tailwindcss/language-server") + .await?, + ) as Box<_>) + } + + async fn fetch_server_binary( + &self, + version: Box, + container_dir: PathBuf, + _: &dyn LspAdapterDelegate, + ) -> Result { + let version = version.downcast::().unwrap(); + let server_path = container_dir.join(SERVER_PATH); + + if fs::metadata(&server_path).await.is_err() { + dbg!(&container_dir, version.as_str()); + self.node + .npm_install_packages( + &container_dir, + [("@tailwindcss/language-server", version.as_str())], + ) + .await?; + } + + Ok(LanguageServerBinary { + path: self.node.binary_path().await?, + arguments: server_binary_arguments(&server_path), + }) + } + + async fn cached_server_binary( + &self, + container_dir: PathBuf, + _: &dyn LspAdapterDelegate, + ) -> Option { + get_cached_server_binary(container_dir, &self.node).await + } + + async fn installation_test_binary( + &self, + container_dir: PathBuf, + ) -> Option { + get_cached_server_binary(container_dir, &self.node).await + } + + async fn initialization_options(&self) -> Option { + Some(json!({ + "provideFormatter": true + })) + } +} + +async fn get_cached_server_binary( + container_dir: PathBuf, + node: &NodeRuntime, +) -> Option { + (|| async move { + let mut last_version_dir = None; + let mut entries = fs::read_dir(&container_dir).await?; + while let Some(entry) = entries.next().await { + let entry = entry?; + if entry.file_type().await?.is_dir() { + last_version_dir = Some(entry.path()); + } + } + let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?; + let server_path = last_version_dir.join(SERVER_PATH); + if server_path.exists() { + Ok(LanguageServerBinary { + path: node.binary_path().await?, + arguments: server_binary_arguments(&server_path), + }) + } else { + Err(anyhow!( + "missing executable in directory {:?}", + last_version_dir + )) + } + })() + .await + .log_err() +}