1use anyhow::{Context as _, Result, bail};
2use async_compression::futures::bufread::GzipDecoder;
3use async_tar::Archive;
4use async_trait::async_trait;
5use collections::HashMap;
6use futures::StreamExt;
7use gpui::{App, AsyncApp, Task};
8use http_client::github::{GitHubLspBinaryVersion, latest_github_release};
9use language::{
10 ContextProvider, LanguageName, LocalFile as _, LspAdapter, LspAdapterDelegate, LspInstaller,
11 Toolchain,
12};
13use lsp::{LanguageServerBinary, LanguageServerName};
14use node_runtime::{NodeRuntime, VersionStrategy};
15use project::lsp_store::language_server_settings;
16use serde_json::{Value, json};
17use smol::{
18 fs::{self},
19 io::BufReader,
20};
21use std::{
22 env::consts,
23 ffi::OsString,
24 path::{Path, PathBuf},
25 str::FromStr,
26 sync::Arc,
27};
28use task::{TaskTemplate, TaskTemplates, VariableName};
29use util::{
30 ResultExt, archive::extract_zip, fs::remove_matching, maybe, merge_json_value_into,
31 rel_path::RelPath,
32};
33
34use crate::PackageJsonData;
35
36const SERVER_PATH: &str =
37 "node_modules/vscode-langservers-extracted/bin/vscode-json-language-server";
38
39pub(crate) struct JsonTaskProvider;
40
41impl ContextProvider for JsonTaskProvider {
42 fn associated_tasks(
43 &self,
44 file: Option<Arc<dyn language::File>>,
45 cx: &App,
46 ) -> gpui::Task<Option<TaskTemplates>> {
47 let Some(file) = project::File::from_dyn(file.as_ref()).cloned() else {
48 return Task::ready(None);
49 };
50 let is_package_json = file.path.ends_with(RelPath::unix("package.json").unwrap());
51 let is_composer_json = file.path.ends_with(RelPath::unix("composer.json").unwrap());
52 if !is_package_json && !is_composer_json {
53 return Task::ready(None);
54 }
55
56 cx.spawn(async move |cx| {
57 let contents = file
58 .worktree
59 .update(cx, |this, cx| {
60 this.load_file(&file.path, &Default::default(), cx)
61 })
62 .ok()?
63 .await
64 .ok()?;
65 let path = cx.update(|cx| file.abs_path(cx)).ok()?.as_path().into();
66
67 let task_templates = if is_package_json {
68 let package_json = serde_json_lenient::from_str::<
69 HashMap<String, serde_json_lenient::Value>,
70 >(&contents.text)
71 .ok()?;
72 let package_json = PackageJsonData::new(path, package_json);
73 let command = package_json.package_manager.unwrap_or("npm").to_owned();
74 package_json
75 .scripts
76 .into_iter()
77 .map(|(_, key)| TaskTemplate {
78 label: format!("run {key}"),
79 command: command.clone(),
80 args: vec!["run".into(), key],
81 cwd: Some(VariableName::Dirname.template_value()),
82 ..TaskTemplate::default()
83 })
84 .chain([TaskTemplate {
85 label: "package script $ZED_CUSTOM_script".to_owned(),
86 command: command.clone(),
87 args: vec![
88 "run".into(),
89 VariableName::Custom("script".into()).template_value(),
90 ],
91 cwd: Some(VariableName::Dirname.template_value()),
92 tags: vec!["package-script".into()],
93 ..TaskTemplate::default()
94 }])
95 .collect()
96 } else if is_composer_json {
97 serde_json_lenient::Value::from_str(&contents.text)
98 .ok()?
99 .get("scripts")?
100 .as_object()?
101 .keys()
102 .map(|key| TaskTemplate {
103 label: format!("run {key}"),
104 command: "composer".to_owned(),
105 args: vec!["-d".into(), "$ZED_DIRNAME".into(), key.into()],
106 ..TaskTemplate::default()
107 })
108 .chain([TaskTemplate {
109 label: "composer script $ZED_CUSTOM_script".to_owned(),
110 command: "composer".to_owned(),
111 args: vec![
112 "-d".into(),
113 "$ZED_DIRNAME".into(),
114 VariableName::Custom("script".into()).template_value(),
115 ],
116 tags: vec!["composer-script".into()],
117 ..TaskTemplate::default()
118 }])
119 .collect()
120 } else {
121 vec![]
122 };
123
124 Some(TaskTemplates(task_templates))
125 })
126 }
127}
128
129fn server_binary_arguments(server_path: &Path) -> Vec<OsString> {
130 vec![server_path.into(), "--stdio".into()]
131}
132
133pub struct JsonLspAdapter {
134 node: NodeRuntime,
135}
136
137impl JsonLspAdapter {
138 const PACKAGE_NAME: &str = "vscode-langservers-extracted";
139
140 pub fn new(node: NodeRuntime) -> Self {
141 Self { node }
142 }
143}
144
145impl LspInstaller for JsonLspAdapter {
146 type BinaryVersion = String;
147
148 async fn fetch_latest_server_version(
149 &self,
150 _: &dyn LspAdapterDelegate,
151 _: bool,
152 _: &mut AsyncApp,
153 ) -> Result<String> {
154 self.node
155 .npm_package_latest_version(Self::PACKAGE_NAME)
156 .await
157 }
158
159 async fn check_if_user_installed(
160 &self,
161 delegate: &dyn LspAdapterDelegate,
162 _: Option<Toolchain>,
163 _: &AsyncApp,
164 ) -> Option<LanguageServerBinary> {
165 let path = delegate
166 .which("vscode-json-language-server".as_ref())
167 .await?;
168 let env = delegate.shell_env().await;
169
170 Some(LanguageServerBinary {
171 path,
172 env: Some(env),
173 arguments: vec!["--stdio".into()],
174 })
175 }
176
177 async fn check_if_version_installed(
178 &self,
179 version: &String,
180 container_dir: &PathBuf,
181 _: &dyn LspAdapterDelegate,
182 ) -> Option<LanguageServerBinary> {
183 let server_path = container_dir.join(SERVER_PATH);
184
185 let should_install_language_server = self
186 .node
187 .should_install_npm_package(
188 Self::PACKAGE_NAME,
189 &server_path,
190 container_dir,
191 VersionStrategy::Latest(version),
192 )
193 .await;
194
195 if should_install_language_server {
196 None
197 } else {
198 Some(LanguageServerBinary {
199 path: self.node.binary_path().await.ok()?,
200 env: None,
201 arguments: server_binary_arguments(&server_path),
202 })
203 }
204 }
205
206 async fn fetch_server_binary(
207 &self,
208 latest_version: String,
209 container_dir: PathBuf,
210 _: &dyn LspAdapterDelegate,
211 ) -> Result<LanguageServerBinary> {
212 let server_path = container_dir.join(SERVER_PATH);
213
214 self.node
215 .npm_install_packages(
216 &container_dir,
217 &[(Self::PACKAGE_NAME, latest_version.as_str())],
218 )
219 .await?;
220
221 Ok(LanguageServerBinary {
222 path: self.node.binary_path().await?,
223 env: None,
224 arguments: server_binary_arguments(&server_path),
225 })
226 }
227
228 async fn cached_server_binary(
229 &self,
230 container_dir: PathBuf,
231 _: &dyn LspAdapterDelegate,
232 ) -> Option<LanguageServerBinary> {
233 get_cached_server_binary(container_dir, &self.node).await
234 }
235}
236
237#[async_trait(?Send)]
238impl LspAdapter for JsonLspAdapter {
239 fn name(&self) -> LanguageServerName {
240 LanguageServerName("json-language-server".into())
241 }
242
243 async fn initialization_options(
244 self: Arc<Self>,
245 _: &Arc<dyn LspAdapterDelegate>,
246 ) -> Result<Option<serde_json::Value>> {
247 Ok(Some(json!({
248 "provideFormatter": true
249 })))
250 }
251
252 async fn workspace_configuration(
253 self: Arc<Self>,
254 delegate: &Arc<dyn LspAdapterDelegate>,
255 _: Option<Toolchain>,
256 cx: &mut AsyncApp,
257 ) -> Result<Value> {
258 let mut config = cx.update(|cx| {
259 let schemas = json_schema_store::all_schema_file_associations(cx);
260
261 // This can be viewed via `dev: open language server logs` -> `json-language-server` ->
262 // `Server Info`
263 serde_json::json!({
264 "json": {
265 "format": {
266 "enable": true,
267 },
268 "validate": {
269 "enable": true,
270 },
271 "schemas": schemas
272 }
273 })
274 })?;
275 let project_options = cx.update(|cx| {
276 language_server_settings(delegate.as_ref(), &self.name(), cx)
277 .and_then(|s| s.settings.clone())
278 })?;
279
280 if let Some(override_options) = project_options {
281 merge_json_value_into(override_options, &mut config);
282 }
283
284 Ok(config)
285 }
286
287 fn language_ids(&self) -> HashMap<LanguageName, String> {
288 [
289 (LanguageName::new("JSON"), "json".into()),
290 (LanguageName::new("JSONC"), "jsonc".into()),
291 ]
292 .into_iter()
293 .collect()
294 }
295
296 fn is_primary_zed_json_schema_adapter(&self) -> bool {
297 true
298 }
299}
300
301async fn get_cached_server_binary(
302 container_dir: PathBuf,
303 node: &NodeRuntime,
304) -> Option<LanguageServerBinary> {
305 maybe!(async {
306 let mut last_version_dir = None;
307 let mut entries = fs::read_dir(&container_dir).await?;
308 while let Some(entry) = entries.next().await {
309 let entry = entry?;
310 if entry.file_type().await?.is_dir() {
311 last_version_dir = Some(entry.path());
312 }
313 }
314
315 let last_version_dir = last_version_dir.context("no cached binary")?;
316 let server_path = last_version_dir.join(SERVER_PATH);
317 anyhow::ensure!(
318 server_path.exists(),
319 "missing executable in directory {last_version_dir:?}"
320 );
321 Ok(LanguageServerBinary {
322 path: node.binary_path().await?,
323 env: None,
324 arguments: server_binary_arguments(&server_path),
325 })
326 })
327 .await
328 .log_err()
329}
330
331pub struct NodeVersionAdapter;
332
333impl NodeVersionAdapter {
334 const SERVER_NAME: LanguageServerName =
335 LanguageServerName::new_static("package-version-server");
336}
337
338impl LspInstaller for NodeVersionAdapter {
339 type BinaryVersion = GitHubLspBinaryVersion;
340
341 async fn fetch_latest_server_version(
342 &self,
343 delegate: &dyn LspAdapterDelegate,
344 _: bool,
345 _: &mut AsyncApp,
346 ) -> Result<GitHubLspBinaryVersion> {
347 let release = latest_github_release(
348 "zed-industries/package-version-server",
349 true,
350 false,
351 delegate.http_client(),
352 )
353 .await?;
354 let os = match consts::OS {
355 "macos" => "apple-darwin",
356 "linux" => "unknown-linux-gnu",
357 "windows" => "pc-windows-msvc",
358 other => bail!("Running on unsupported os: {other}"),
359 };
360 let suffix = if consts::OS == "windows" {
361 ".zip"
362 } else {
363 ".tar.gz"
364 };
365 let asset_name = format!("{}-{}-{os}{suffix}", Self::SERVER_NAME, consts::ARCH);
366 let asset = release
367 .assets
368 .iter()
369 .find(|asset| asset.name == asset_name)
370 .with_context(|| format!("no asset found matching `{asset_name:?}`"))?;
371 Ok(GitHubLspBinaryVersion {
372 name: release.tag_name,
373 url: asset.browser_download_url.clone(),
374 digest: asset.digest.clone(),
375 })
376 }
377
378 async fn check_if_user_installed(
379 &self,
380 delegate: &dyn LspAdapterDelegate,
381 _: Option<Toolchain>,
382 _: &AsyncApp,
383 ) -> Option<LanguageServerBinary> {
384 let path = delegate.which(Self::SERVER_NAME.as_ref()).await?;
385 Some(LanguageServerBinary {
386 path,
387 env: None,
388 arguments: Default::default(),
389 })
390 }
391
392 async fn fetch_server_binary(
393 &self,
394 latest_version: GitHubLspBinaryVersion,
395 container_dir: PathBuf,
396 delegate: &dyn LspAdapterDelegate,
397 ) -> Result<LanguageServerBinary> {
398 let version = &latest_version;
399 let destination_path = container_dir.join(format!(
400 "{}-{}{}",
401 Self::SERVER_NAME,
402 version.name,
403 std::env::consts::EXE_SUFFIX
404 ));
405 let destination_container_path =
406 container_dir.join(format!("{}-{}-tmp", Self::SERVER_NAME, version.name));
407 if fs::metadata(&destination_path).await.is_err() {
408 let mut response = delegate
409 .http_client()
410 .get(&version.url, Default::default(), true)
411 .await
412 .context("downloading release")?;
413 if version.url.ends_with(".zip") {
414 extract_zip(&destination_container_path, response.body_mut()).await?;
415 } else if version.url.ends_with(".tar.gz") {
416 let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
417 let archive = Archive::new(decompressed_bytes);
418 archive.unpack(&destination_container_path).await?;
419 }
420
421 fs::copy(
422 destination_container_path.join(format!(
423 "{}{}",
424 Self::SERVER_NAME,
425 std::env::consts::EXE_SUFFIX
426 )),
427 &destination_path,
428 )
429 .await?;
430 remove_matching(&container_dir, |entry| entry != destination_path).await;
431 }
432 Ok(LanguageServerBinary {
433 path: destination_path,
434 env: None,
435 arguments: Default::default(),
436 })
437 }
438
439 async fn cached_server_binary(
440 &self,
441 container_dir: PathBuf,
442 _delegate: &dyn LspAdapterDelegate,
443 ) -> Option<LanguageServerBinary> {
444 get_cached_version_server_binary(container_dir).await
445 }
446}
447
448#[async_trait(?Send)]
449impl LspAdapter for NodeVersionAdapter {
450 fn name(&self) -> LanguageServerName {
451 Self::SERVER_NAME
452 }
453}
454
455async fn get_cached_version_server_binary(container_dir: PathBuf) -> Option<LanguageServerBinary> {
456 maybe!(async {
457 let mut last = None;
458 let mut entries = fs::read_dir(&container_dir).await?;
459 while let Some(entry) = entries.next().await {
460 last = Some(entry?.path());
461 }
462
463 anyhow::Ok(LanguageServerBinary {
464 path: last.context("no cached binary")?,
465 env: None,
466 arguments: Default::default(),
467 })
468 })
469 .await
470 .log_err()
471}