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3.8 kB · 112 lines
Rust
at master
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113use std::{env, fs};use zed::settings::LspSettings;use zed_extension_api::{self as zed, LanguageServerId, Result, serde_json::json};
const BINARY_NAME: &str = "vscode-html-language-server";const SERVER_PATH: &str = "node_modules/@zed-industries/vscode-langservers-extracted/bin/vscode-html-language-server";const PACKAGE_NAME: &str = "@zed-industries/vscode-langservers-extracted";
struct HtmlExtension { cached_binary_path: Option<String>,}
impl HtmlExtension { fn server_exists(&self) -> bool { fs::metadata(SERVER_PATH).is_ok_and(|stat| stat.is_file()) }
fn server_script_path(&mut self, language_server_id: &LanguageServerId) -> Result<String> { let server_exists = self.server_exists(); if self.cached_binary_path.is_some() && server_exists { return Ok(SERVER_PATH.to_string()); }
zed::set_language_server_installation_status( language_server_id, &zed::LanguageServerInstallationStatus::CheckingForUpdate, ); let version = zed::npm_package_latest_version(PACKAGE_NAME)?;
if !server_exists || zed::npm_package_installed_version(PACKAGE_NAME)?.as_ref() != Some(&version) { zed::set_language_server_installation_status( language_server_id, &zed::LanguageServerInstallationStatus::Downloading, ); let result = zed::npm_install_package(PACKAGE_NAME, &version); match result { Ok(()) => { if !self.server_exists() { Err(format!( "installed package '{PACKAGE_NAME}' did not contain expected path '{SERVER_PATH}'", ))?; } } Err(error) => { if !self.server_exists() { Err(error)?; } } } } Ok(SERVER_PATH.to_string()) }}
impl zed::Extension for HtmlExtension { fn new() -> Self { Self { cached_binary_path: None, } }
fn language_server_command( &mut self, language_server_id: &LanguageServerId, worktree: &zed::Worktree, ) -> Result<zed::Command> { let server_path = if let Some(path) = worktree.which(BINARY_NAME) { return Ok(zed::Command { command: path, args: vec!["--stdio".to_string()], env: Default::default(), }); } else { let server_path = self.server_script_path(language_server_id)?; env::current_dir() .unwrap() .join(&server_path) .to_string_lossy() .to_string() }; self.cached_binary_path = Some(server_path.clone());
Ok(zed::Command { command: zed::node_binary_path()?, args: vec![server_path, "--stdio".to_string()], env: Default::default(), }) }
fn language_server_workspace_configuration( &mut self, server_id: &LanguageServerId, worktree: &zed::Worktree, ) -> Result<Option<zed::serde_json::Value>> { LspSettings::for_worktree(server_id.as_ref(), worktree) .map(|lsp_settings| lsp_settings.settings) }
fn language_server_initialization_options( &mut self, _server_id: &LanguageServerId, _worktree: &zed_extension_api::Worktree, ) -> Result<Option<zed_extension_api::serde_json::Value>> { let initialization_options = json!({"provideFormatter": true }); Ok(Some(initialization_options)) }}
zed::register_extension!(HtmlExtension);