Refactor prettier (#17977)

In preparation for making formatting work on ssh remotes

Release Notes:

- N/A

Co-authored-by: Mikayla <mikayla@zed.dev>

crates/node_runtime/src/node_runtime.rs

@@ -462,3 +462,52 @@ impl NodeRuntime for FakeNodeRuntime {
         unreachable!("Should not install packages {packages:?}")
     }
 }
+
+// TODO: Remove this when headless binary can  run node
+pub struct DummyNodeRuntime;
+
+impl DummyNodeRuntime {
+    pub fn new() -> Arc<dyn NodeRuntime> {
+        Arc::new(Self)
+    }
+}
+
+#[async_trait::async_trait]
+impl NodeRuntime for DummyNodeRuntime {
+    async fn binary_path(&self) -> anyhow::Result<PathBuf> {
+        anyhow::bail!("Dummy Node Runtime")
+    }
+
+    async fn node_environment_path(&self) -> anyhow::Result<OsString> {
+        anyhow::bail!("Dummy node runtime")
+    }
+
+    async fn run_npm_subcommand(
+        &self,
+        _: Option<&Path>,
+        _subcommand: &str,
+        _args: &[&str],
+    ) -> anyhow::Result<Output> {
+        anyhow::bail!("Dummy node runtime")
+    }
+
+    async fn npm_package_latest_version(&self, _name: &str) -> anyhow::Result<String> {
+        anyhow::bail!("Dummy node runtime")
+    }
+
+    async fn npm_package_installed_version(
+        &self,
+        _local_package_directory: &Path,
+        _name: &str,
+    ) -> Result<Option<String>> {
+        anyhow::bail!("Dummy node runtime")
+    }
+
+    async fn npm_install_packages(
+        &self,
+        _: &Path,
+        _packages: &[(&str, &str)],
+    ) -> anyhow::Result<()> {
+        anyhow::bail!("Dummy node runtime")
+    }
+}

crates/project/src/lsp_store.rs

@@ -3,6 +3,7 @@ use crate::{
     environment::ProjectEnvironment,
     lsp_command::{self, *},
     lsp_ext_command,
+    prettier_store::{self, PrettierStore, PrettierStoreEvent},
     project_settings::{LspSettings, ProjectSettings},
     relativize_path, resolve_path,
     worktree_store::{WorktreeStore, WorktreeStoreEvent},
@@ -101,6 +102,8 @@ pub struct LocalLspStore {
         HashMap<LanguageServerId, HashMap<String, Vec<FileSystemWatcher>>>,
     supplementary_language_servers:
         HashMap<LanguageServerId, (LanguageServerName, Arc<LanguageServer>)>,
+    prettier_store: Model<PrettierStore>,
+    current_lsp_settings: HashMap<Arc<str>, LspSettings>,
     _subscription: gpui::Subscription,
 }
 
@@ -135,6 +138,7 @@ impl RemoteLspStore {}
 
 pub struct SshLspStore {
     upstream_client: AnyProtoClient,
+    current_lsp_settings: HashMap<Arc<str>, LspSettings>,
 }
 
 #[allow(clippy::large_enum_variant)]
@@ -310,9 +314,32 @@ impl LspStore {
         }
     }
 
+    pub fn swap_current_lsp_settings(
+        &mut self,
+        new_settings: HashMap<Arc<str>, LspSettings>,
+    ) -> Option<HashMap<Arc<str>, LspSettings>> {
+        match &mut self.mode {
+            LspStoreMode::Ssh(SshLspStore {
+                current_lsp_settings,
+                ..
+            })
+            | LspStoreMode::Local(LocalLspStore {
+                current_lsp_settings,
+                ..
+            }) => {
+                let ret = mem::take(current_lsp_settings);
+                *current_lsp_settings = new_settings;
+                Some(ret)
+            }
+            LspStoreMode::Remote(_) => None,
+        }
+    }
+
+    #[allow(clippy::too_many_arguments)]
     pub fn new_local(
         buffer_store: Model<BufferStore>,
         worktree_store: Model<WorktreeStore>,
+        prettier_store: Model<PrettierStore>,
         environment: Model<ProjectEnvironment>,
         languages: Arc<LanguageRegistry>,
         http_client: Option<Arc<dyn HttpClient>>,
@@ -324,6 +351,10 @@ impl LspStore {
             .detach();
         cx.subscribe(&worktree_store, Self::on_worktree_store_event)
             .detach();
+        cx.subscribe(&prettier_store, Self::on_prettier_store_event)
+            .detach();
+        cx.observe_global::<SettingsStore>(Self::on_settings_changed)
+            .detach();
 
         Self {
             mode: LspStoreMode::Local(LocalLspStore {
@@ -332,6 +363,8 @@ impl LspStore {
                 last_workspace_edits_by_language_server: Default::default(),
                 language_server_watched_paths: Default::default(),
                 language_server_watcher_registrations: Default::default(),
+                current_lsp_settings: ProjectSettings::get_global(cx).lsp.clone(),
+                prettier_store,
                 environment,
                 http_client,
                 fs,
@@ -387,9 +420,14 @@ impl LspStore {
             .detach();
         cx.subscribe(&worktree_store, Self::on_worktree_store_event)
             .detach();
+        cx.observe_global::<SettingsStore>(Self::on_settings_changed)
+            .detach();
 
         Self {
-            mode: LspStoreMode::Ssh(SshLspStore { upstream_client }),
+            mode: LspStoreMode::Ssh(SshLspStore {
+                upstream_client,
+                current_lsp_settings: Default::default(),
+            }),
             downstream_client: None,
             project_id,
             buffer_store,
@@ -401,6 +439,7 @@ impl LspStore {
             buffer_snapshots: Default::default(),
             next_diagnostic_group_id: Default::default(),
             diagnostic_summaries: Default::default(),
+
             diagnostics: Default::default(),
             active_entry: None,
             _maintain_workspace_config: Self::maintain_workspace_config(cx),
@@ -498,6 +537,36 @@ impl LspStore {
         }
     }
 
+    fn on_prettier_store_event(
+        &mut self,
+        _: Model<PrettierStore>,
+        event: &PrettierStoreEvent,
+        cx: &mut ModelContext<Self>,
+    ) {
+        match event {
+            PrettierStoreEvent::LanguageServerRemoved(prettier_server_id) => {
+                self.unregister_supplementary_language_server(*prettier_server_id, cx);
+            }
+            PrettierStoreEvent::LanguageServerAdded {
+                new_server_id,
+                name,
+                prettier_server,
+            } => {
+                self.register_supplementary_language_server(
+                    *new_server_id,
+                    name.clone(),
+                    prettier_server.clone(),
+                    cx,
+                );
+            }
+        }
+    }
+
+    // todo!
+    pub fn prettier_store(&self) -> Option<Model<PrettierStore>> {
+        self.as_local().map(|local| local.prettier_store.clone())
+    }
+
     fn on_buffer_event(
         &mut self,
         buffer: Model<Buffer>,
@@ -656,11 +725,29 @@ impl LspStore {
         });
 
         let buffer_file = buffer.read(cx).file().cloned();
+        let settings = language_settings(Some(&new_language), buffer_file.as_ref(), cx).clone();
         let buffer_file = File::from_dyn(buffer_file.as_ref());
 
-        if let Some(file) = buffer_file {
+        let worktree_id = if let Some(file) = buffer_file {
             let worktree = file.worktree.clone();
-            self.start_language_servers(&worktree, new_language.name(), cx)
+            self.start_language_servers(&worktree, new_language.name(), cx);
+
+            Some(worktree.read(cx).id())
+        } else {
+            None
+        };
+
+        if let Some(prettier_plugins) = prettier_store::prettier_plugins_for_language(&settings) {
+            let prettier_store = self.as_local().map(|s| s.prettier_store.clone());
+            if let Some(prettier_store) = prettier_store {
+                prettier_store.update(cx, |prettier_store, cx| {
+                    prettier_store.install_default_prettier(
+                        worktree_id,
+                        prettier_plugins.iter().map(|s| Arc::from(s.as_str())),
+                        cx,
+                    )
+                })
+            }
         }
 
         cx.emit(LspStoreEvent::LanguageDetected {
@@ -799,6 +886,95 @@ impl LspStore {
         Task::ready(Ok(Default::default()))
     }
 
+    fn on_settings_changed(&mut self, cx: &mut ModelContext<Self>) {
+        let mut language_servers_to_start = Vec::new();
+        let mut language_formatters_to_check = Vec::new();
+        for buffer in self.buffer_store.read(cx).buffers() {
+            let buffer = buffer.read(cx);
+            let buffer_file = File::from_dyn(buffer.file());
+            let buffer_language = buffer.language();
+            let settings = language_settings(buffer_language, buffer.file(), cx);
+            if let Some(language) = buffer_language {
+                if settings.enable_language_server {
+                    if let Some(file) = buffer_file {
+                        language_servers_to_start.push((file.worktree.clone(), language.name()));
+                    }
+                }
+                language_formatters_to_check
+                    .push((buffer_file.map(|f| f.worktree_id(cx)), settings.clone()));
+            }
+        }
+
+        let mut language_servers_to_stop = Vec::new();
+        let mut language_servers_to_restart = Vec::new();
+        let languages = self.languages.to_vec();
+
+        let new_lsp_settings = ProjectSettings::get_global(cx).lsp.clone();
+        let Some(current_lsp_settings) = self.swap_current_lsp_settings(new_lsp_settings.clone())
+        else {
+            return;
+        };
+        for (worktree_id, started_lsp_name) in self.started_language_servers() {
+            let language = languages.iter().find_map(|l| {
+                let adapter = self
+                    .languages
+                    .lsp_adapters(&l.name())
+                    .iter()
+                    .find(|adapter| adapter.name == started_lsp_name)?
+                    .clone();
+                Some((l, adapter))
+            });
+            if let Some((language, adapter)) = language {
+                let worktree = self.worktree_for_id(worktree_id, cx).ok();
+                let file = worktree.as_ref().and_then(|tree| {
+                    tree.update(cx, |tree, cx| tree.root_file(cx).map(|f| f as _))
+                });
+                if !language_settings(Some(language), file.as_ref(), cx).enable_language_server {
+                    language_servers_to_stop.push((worktree_id, started_lsp_name.clone()));
+                } else if let Some(worktree) = worktree {
+                    let server_name = &adapter.name.0;
+                    match (
+                        current_lsp_settings.get(server_name),
+                        new_lsp_settings.get(server_name),
+                    ) {
+                        (None, None) => {}
+                        (Some(_), None) | (None, Some(_)) => {
+                            language_servers_to_restart.push((worktree, language.name()));
+                        }
+                        (Some(current_lsp_settings), Some(new_lsp_settings)) => {
+                            if current_lsp_settings != new_lsp_settings {
+                                language_servers_to_restart.push((worktree, language.name()));
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        for (worktree_id, adapter_name) in language_servers_to_stop {
+            self.stop_language_server(worktree_id, adapter_name, cx)
+                .detach();
+        }
+
+        if let Some(prettier_store) = self.as_local().map(|s| s.prettier_store.clone()) {
+            prettier_store.update(cx, |prettier_store, cx| {
+                prettier_store.on_settings_changed(language_formatters_to_check, cx)
+            })
+        }
+
+        // Start all the newly-enabled language servers.
+        for (worktree, language) in language_servers_to_start {
+            self.start_language_servers(&worktree, language, cx);
+        }
+
+        // Restart all language servers with changed initialization options.
+        for (worktree, language) in language_servers_to_restart {
+            self.restart_language_servers(worktree, language, cx);
+        }
+
+        cx.notify();
+    }
+
     pub async fn execute_code_actions_on_servers(
         this: &WeakModel<LspStore>,
         adapters_and_servers: &[(Arc<CachedLspAdapter>, Arc<LanguageServer>)],
@@ -2375,7 +2551,7 @@ impl LspStore {
             })
     }
 
-    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut ModelContext<Self>) {
+    fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut ModelContext<Self>) {
         self.diagnostics.remove(&id_to_remove);
         self.diagnostic_summaries.remove(&id_to_remove);
 
@@ -2406,6 +2582,12 @@ impl LspStore {
             }
             cx.emit(LspStoreEvent::LanguageServerRemoved(server_id_to_remove));
         }
+
+        if let Some(local) = self.as_local() {
+            local.prettier_store.update(cx, |prettier_store, cx| {
+                prettier_store.remove_worktree(id_to_remove, cx);
+            })
+        }
     }
 
     pub fn shared(
@@ -6117,6 +6299,10 @@ impl LspStore {
 
         let Some(local) = self.as_local() else { return };
 
+        local.prettier_store.update(cx, |prettier_store, cx| {
+            prettier_store.update_prettier_settings(&worktree_handle, changes, cx)
+        });
+
         let worktree_id = worktree_handle.read(cx).id();
         let mut language_server_ids = self
             .language_server_ids

crates/project/src/project.rs

@@ -4,7 +4,7 @@ pub mod debounced_delay;
 pub mod lsp_command;
 pub mod lsp_ext_command;
 pub mod lsp_store;
-mod prettier_support;
+pub mod prettier_store;
 pub mod project_settings;
 pub mod search;
 mod task_inventory;
@@ -31,7 +31,6 @@ pub use environment::ProjectEnvironment;
 use futures::{
     channel::mpsc::{self, UnboundedReceiver},
     future::try_join_all,
-    stream::FuturesUnordered,
     AsyncWriteExt, FutureExt, StreamExt,
 };
 
@@ -59,8 +58,8 @@ use lsp_command::*;
 use node_runtime::NodeRuntime;
 use parking_lot::{Mutex, RwLock};
 use paths::{local_tasks_file_relative_path, local_vscode_tasks_file_relative_path};
-use prettier_support::{DefaultPrettier, PrettierInstance};
-use project_settings::{LspSettings, ProjectSettings, SettingsObserver};
+pub use prettier_store::PrettierStore;
+use project_settings::{ProjectSettings, SettingsObserver};
 use remote::SshSession;
 use rpc::{proto::SSH_PROJECT_ID, AnyProtoClient, ErrorCode};
 use search::{SearchInputKind, SearchQuery, SearchResult};
@@ -140,7 +139,6 @@ pub struct Project {
     buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
     languages: Arc<LanguageRegistry>,
     client: Arc<client::Client>,
-    current_lsp_settings: HashMap<Arc<str>, LspSettings>,
     join_project_response_message_id: u32,
     user_store: Model<UserStore>,
     fs: Arc<dyn Fs>,
@@ -157,9 +155,6 @@ pub struct Project {
     remotely_created_buffers: Arc<Mutex<RemotelyCreatedBuffers>>,
     terminals: Terminals,
     node: Option<Arc<dyn NodeRuntime>>,
-    default_prettier: DefaultPrettier,
-    prettiers_per_worktree: HashMap<WorktreeId, HashSet<Option<PathBuf>>>,
-    prettier_instances: HashMap<PathBuf, PrettierInstance>,
     tasks: Model<Inventory>,
     hosted_project_id: Option<ProjectId>,
     dev_server_project_id: Option<client::DevServerProjectId>,
@@ -634,6 +629,16 @@ impl Project {
             cx.subscribe(&buffer_store, Self::on_buffer_store_event)
                 .detach();
 
+            let prettier_store = cx.new_model(|cx| {
+                PrettierStore::new(
+                    node.clone(),
+                    fs.clone(),
+                    languages.clone(),
+                    worktree_store.clone(),
+                    cx,
+                )
+            });
+
             let settings_observer = cx.new_model(|cx| {
                 SettingsObserver::new_local(fs.clone(), worktree_store.clone(), cx)
             });
@@ -643,6 +648,7 @@ impl Project {
                 LspStore::new_local(
                     buffer_store.clone(),
                     worktree_store.clone(),
+                    prettier_store.clone(),
                     environment.clone(),
                     languages.clone(),
                     Some(client.http_client()),
@@ -658,14 +664,10 @@ impl Project {
                 worktree_store,
                 buffer_store,
                 lsp_store,
-                current_lsp_settings: ProjectSettings::get_global(cx).lsp.clone(),
                 join_project_response_message_id: 0,
                 client_state: ProjectClientState::Local,
                 client_subscriptions: Vec::new(),
-                _subscriptions: vec![
-                    cx.observe_global::<SettingsStore>(Self::on_settings_changed),
-                    cx.on_release(Self::release),
-                ],
+                _subscriptions: vec![cx.on_release(Self::release)],
                 active_entry: None,
                 snippets,
                 languages,
@@ -680,9 +682,6 @@ impl Project {
                     local_handles: Vec::new(),
                 },
                 node: Some(node),
-                default_prettier: DefaultPrettier::default(),
-                prettiers_per_worktree: HashMap::default(),
-                prettier_instances: HashMap::default(),
                 tasks,
                 hosted_project_id: None,
                 dev_server_project_id: None,
@@ -751,14 +750,10 @@ impl Project {
                 worktree_store,
                 buffer_store,
                 lsp_store,
-                current_lsp_settings: ProjectSettings::get_global(cx).lsp.clone(),
                 join_project_response_message_id: 0,
                 client_state: ProjectClientState::Local,
                 client_subscriptions: Vec::new(),
-                _subscriptions: vec![
-                    cx.observe_global::<SettingsStore>(Self::on_settings_changed),
-                    cx.on_release(Self::release),
-                ],
+                _subscriptions: vec![cx.on_release(Self::release)],
                 active_entry: None,
                 snippets,
                 languages,
@@ -773,9 +768,6 @@ impl Project {
                     local_handles: Vec::new(),
                 },
                 node: Some(node),
-                default_prettier: DefaultPrettier::default(),
-                prettiers_per_worktree: HashMap::default(),
-                prettier_instances: HashMap::default(),
                 tasks,
                 hosted_project_id: None,
                 dev_server_project_id: None,
@@ -928,7 +920,6 @@ impl Project {
                 buffer_store: buffer_store.clone(),
                 worktree_store: worktree_store.clone(),
                 lsp_store: lsp_store.clone(),
-                current_lsp_settings: ProjectSettings::get_global(cx).lsp.clone(),
                 active_entry: None,
                 collaborators: Default::default(),
                 join_project_response_message_id: response.message_id,
@@ -954,9 +945,6 @@ impl Project {
                     local_handles: Vec::new(),
                 },
                 node: None,
-                default_prettier: DefaultPrettier::default(),
-                prettiers_per_worktree: HashMap::default(),
-                prettier_instances: HashMap::default(),
                 tasks,
                 hosted_project_id: None,
                 dev_server_project_id: response
@@ -1176,112 +1164,6 @@ impl Project {
         self.worktree_store.clone()
     }
 
-    fn on_settings_changed(&mut self, cx: &mut ModelContext<Self>) {
-        let mut language_servers_to_start = Vec::new();
-        let mut language_formatters_to_check = Vec::new();
-        for buffer in self.buffer_store.read(cx).buffers() {
-            let buffer = buffer.read(cx);
-            let buffer_file = File::from_dyn(buffer.file());
-            let buffer_language = buffer.language();
-            let settings = language_settings(buffer_language, buffer.file(), cx);
-            if let Some(language) = buffer_language {
-                if settings.enable_language_server {
-                    if let Some(file) = buffer_file {
-                        language_servers_to_start.push((file.worktree.clone(), language.name()));
-                    }
-                }
-                language_formatters_to_check
-                    .push((buffer_file.map(|f| f.worktree_id(cx)), settings.clone()));
-            }
-        }
-
-        let mut language_servers_to_stop = Vec::new();
-        let mut language_servers_to_restart = Vec::new();
-        let languages = self.languages.to_vec();
-
-        let new_lsp_settings = ProjectSettings::get_global(cx).lsp.clone();
-        let current_lsp_settings = &self.current_lsp_settings;
-        for (worktree_id, started_lsp_name) in self.lsp_store.read(cx).started_language_servers() {
-            let language = languages.iter().find_map(|l| {
-                let adapter = self
-                    .languages
-                    .lsp_adapters(&l.name())
-                    .iter()
-                    .find(|adapter| adapter.name == started_lsp_name)?
-                    .clone();
-                Some((l, adapter))
-            });
-            if let Some((language, adapter)) = language {
-                let worktree = self.worktree_for_id(worktree_id, cx);
-                let file = worktree.as_ref().and_then(|tree| {
-                    tree.update(cx, |tree, cx| tree.root_file(cx).map(|f| f as _))
-                });
-                if !language_settings(Some(language), file.as_ref(), cx).enable_language_server {
-                    language_servers_to_stop.push((worktree_id, started_lsp_name.clone()));
-                } else if let Some(worktree) = worktree {
-                    let server_name = &adapter.name.0;
-                    match (
-                        current_lsp_settings.get(server_name),
-                        new_lsp_settings.get(server_name),
-                    ) {
-                        (None, None) => {}
-                        (Some(_), None) | (None, Some(_)) => {
-                            language_servers_to_restart.push((worktree, language.name()));
-                        }
-                        (Some(current_lsp_settings), Some(new_lsp_settings)) => {
-                            if current_lsp_settings != new_lsp_settings {
-                                language_servers_to_restart.push((worktree, language.name()));
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        self.current_lsp_settings = new_lsp_settings;
-
-        // Stop all newly-disabled language servers.
-        self.lsp_store.update(cx, |lsp_store, cx| {
-            for (worktree_id, adapter_name) in language_servers_to_stop {
-                lsp_store
-                    .stop_language_server(worktree_id, adapter_name, cx)
-                    .detach();
-            }
-        });
-
-        let mut prettier_plugins_by_worktree = HashMap::default();
-        for (worktree, language_settings) in language_formatters_to_check {
-            if let Some(plugins) =
-                prettier_support::prettier_plugins_for_language(&language_settings)
-            {
-                prettier_plugins_by_worktree
-                    .entry(worktree)
-                    .or_insert_with(HashSet::default)
-                    .extend(plugins.iter().cloned());
-            }
-        }
-        for (worktree, prettier_plugins) in prettier_plugins_by_worktree {
-            self.install_default_prettier(
-                worktree,
-                prettier_plugins.into_iter().map(Arc::from),
-                cx,
-            );
-        }
-
-        // Start all the newly-enabled language servers.
-        self.lsp_store.update(cx, |lsp_store, cx| {
-            for (worktree, language) in language_servers_to_start {
-                lsp_store.start_language_servers(&worktree, language, cx);
-            }
-
-            // Restart all language servers with changed initialization options.
-            for (worktree, language) in language_servers_to_restart {
-                lsp_store.restart_language_servers(worktree, language, cx);
-            }
-        });
-
-        cx.notify();
-    }
-
     pub fn buffer_for_id(&self, remote_id: BufferId, cx: &AppContext) -> Option<Model<Buffer>> {
         self.buffer_store.read(cx).get(remote_id)
     }
@@ -2160,24 +2042,10 @@ impl Project {
                 buffer,
                 new_language,
             } => {
-                let Some(new_language) = new_language else {
+                let Some(_) = new_language else {
                     cx.emit(Event::LanguageNotFound(buffer.clone()));
                     return;
                 };
-                let buffer_file = buffer.read(cx).file().cloned();
-                let settings =
-                    language_settings(Some(new_language), buffer_file.as_ref(), cx).clone();
-                let buffer_file = File::from_dyn(buffer_file.as_ref());
-                let worktree = buffer_file.as_ref().map(|f| f.worktree_id(cx));
-                if let Some(prettier_plugins) =
-                    prettier_support::prettier_plugins_for_language(&settings)
-                {
-                    self.install_default_prettier(
-                        worktree,
-                        prettier_plugins.iter().map(|s| Arc::from(s.as_str())),
-                        cx,
-                    );
-                };
             }
             LspStoreEvent::RefreshInlayHints => cx.emit(Event::RefreshInlayHints),
             LspStoreEvent::LanguageServerPrompt(prompt) => {
@@ -2253,7 +2121,6 @@ impl Project {
                 worktree::Event::UpdatedEntries(changes) => {
                     if is_local {
                         this.update_local_worktree_settings(&worktree, changes, cx);
-                        this.update_prettier_settings(&worktree, changes, cx);
                     }
 
                     cx.emit(Event::WorktreeUpdatedEntries(
@@ -2300,37 +2167,6 @@ impl Project {
             return;
         }
 
-        let mut prettier_instances_to_clean = FuturesUnordered::new();
-        if let Some(prettier_paths) = self.prettiers_per_worktree.remove(&id_to_remove) {
-            for path in prettier_paths.iter().flatten() {
-                if let Some(prettier_instance) = self.prettier_instances.remove(path) {
-                    prettier_instances_to_clean.push(async move {
-                        prettier_instance
-                            .server()
-                            .await
-                            .map(|server| server.server_id())
-                    });
-                }
-            }
-        }
-        cx.spawn(|project, mut cx| async move {
-            while let Some(prettier_server_id) = prettier_instances_to_clean.next().await {
-                if let Some(prettier_server_id) = prettier_server_id {
-                    project
-                        .update(&mut cx, |project, cx| {
-                            project.lsp_store.update(cx, |lsp_store, cx| {
-                                lsp_store.unregister_supplementary_language_server(
-                                    prettier_server_id,
-                                    cx,
-                                );
-                            });
-                        })
-                        .ok();
-                }
-            }
-        })
-        .detach();
-
         self.task_inventory().update(cx, |inventory, _| {
             inventory.remove_worktree_sources(id_to_remove);
         });
@@ -3059,11 +2895,21 @@ impl Project {
                     None
                 }
             }
-            Formatter::Prettier => prettier_support::format_with_prettier(&project, buffer, cx)
-                .await
-                .transpose()
-                .ok()
-                .flatten(),
+            Formatter::Prettier => {
+                let prettier = project.update(cx, |project, cx| {
+                    project
+                        .lsp_store
+                        .read(cx)
+                        .prettier_store()
+                        .unwrap()
+                        .downgrade()
+                })?;
+                prettier_store::format_with_prettier(&prettier, buffer, cx)
+                    .await
+                    .transpose()
+                    .ok()
+                    .flatten()
+            }
             Formatter::External { command, arguments } => {
                 let buffer_abs_path = buffer_abs_path.as_ref().map(|path| path.as_path());
                 Self::format_via_external_command(buffer, buffer_abs_path, command, arguments, cx)

crates/remote_server/Cargo.toml

@@ -26,6 +26,7 @@ env_logger.workspace = true
 fs.workspace = true
 futures.workspace = true
 gpui.workspace = true
+node_runtime.workspace = true
 log.workspace = true
 project.workspace = true
 remote.workspace = true

crates/remote_server/src/headless_project.rs

@@ -2,12 +2,13 @@ use anyhow::{anyhow, Result};
 use fs::Fs;
 use gpui::{AppContext, AsyncAppContext, Context, Model, ModelContext};
 use language::{proto::serialize_operation, Buffer, BufferEvent, LanguageRegistry};
+use node_runtime::DummyNodeRuntime;
 use project::{
     buffer_store::{BufferStore, BufferStoreEvent},
     project_settings::SettingsObserver,
     search::SearchQuery,
     worktree_store::WorktreeStore,
-    LspStore, LspStoreEvent, ProjectPath, WorktreeId,
+    LspStore, LspStoreEvent, PrettierStore, ProjectPath, WorktreeId,
 };
 use remote::SshSession;
 use rpc::{
@@ -54,6 +55,16 @@ impl HeadlessProject {
             buffer_store.shared(SSH_PROJECT_ID, session.clone().into(), cx);
             buffer_store
         });
+        let prettier_store = cx.new_model(|cx| {
+            PrettierStore::new(
+                DummyNodeRuntime::new(),
+                fs.clone(),
+                languages.clone(),
+                worktree_store.clone(),
+                cx,
+            )
+        });
+
         let settings_observer = cx.new_model(|cx| {
             let mut observer = SettingsObserver::new_local(fs.clone(), worktree_store.clone(), cx);
             observer.shared(SSH_PROJECT_ID, session.clone().into(), cx);
@@ -64,6 +75,7 @@ impl HeadlessProject {
             let mut lsp_store = LspStore::new_local(
                 buffer_store.clone(),
                 worktree_store.clone(),
+                prettier_store.clone(),
                 environment,
                 languages.clone(),
                 None,