// Copyright 2018-2025 the Deno authors. MIT license.
use std::collections::BTreeMap;
use std::collections::BTreeSet;
use std::collections::HashMap;
use std::collections::HashSet;
use std::collections::VecDeque;
use std::env;
use std::fmt::Write as _;
use std::path::PathBuf;
use std::str::FromStr;
use std::sync::Arc;
use deno_ast::MediaType;
use deno_cache_dir::file_fetcher::CacheSetting;
use deno_config::workspace::WorkspaceDirectory;
use deno_config::workspace::WorkspaceDiscoverOptions;
use deno_core::anyhow::anyhow;
use deno_core::error::AnyError;
use deno_core::resolve_url;
use deno_core::serde_json;
use deno_core::serde_json::json;
use deno_core::serde_json::Value;
use deno_core::unsync::spawn;
use deno_core::url;
use deno_core::url::Url;
use deno_core::ModuleSpecifier;
use deno_graph::GraphKind;
use deno_graph::Resolution;
use deno_lib::env::has_flag_env_var;
use deno_path_util::url_to_file_path;
use deno_runtime::deno_tls::rustls::RootCertStore;
use deno_runtime::deno_tls::RootCertStoreProvider;
use deno_semver::jsr::JsrPackageReqReference;
use indexmap::Equivalent;
use indexmap::IndexSet;
use log::error;
use node_resolver::NodeResolutionKind;
use node_resolver::ResolutionMode;
use serde::Deserialize;
use serde_json::from_value;
use tokio::sync::mpsc::unbounded_channel;
use tokio::sync::mpsc::UnboundedReceiver;
use tokio::sync::mpsc::UnboundedSender;
use tower_lsp::jsonrpc::Error as LspError;
use tower_lsp::jsonrpc::Result as LspResult;
use tower_lsp::lsp_types::request::*;
use tower_lsp::lsp_types::*;
use super::analysis::fix_ts_import_changes;
use super::analysis::ts_changes_to_edit;
use super::analysis::CodeActionCollection;
use super::analysis::CodeActionData;
use super::analysis::TsResponseImportMapper;
use super::cache::LspCache;
use super::capabilities;
use super::client::Client;
use super::code_lens;
use super::completions;
use super::config::Config;
use super::config::UpdateImportsOnFileMoveEnabled;
use super::config::WorkspaceSettings;
use super::config::SETTINGS_SECTION;
use super::diagnostics;
use super::diagnostics::DiagnosticDataSpecifier;
use super::diagnostics::DiagnosticServerUpdateMessage;
use super::diagnostics::DiagnosticsServer;
use super::diagnostics::DiagnosticsState;
use super::documents::to_lsp_range;
use super::documents::AssetOrDocument;
use super::documents::Document;
use super::documents::Documents;
use super::documents::DocumentsFilter;
use super::documents::LanguageId;
use super::jsr::CliJsrSearchApi;
use super::logging::lsp_log;
use super::logging::lsp_warn;
use super::lsp_custom;
use super::lsp_custom::TaskDefinition;
use super::npm::CliNpmSearchApi;
use super::parent_process_checker;
use super::performance::Performance;
use super::refactor;
use super::registries::ModuleRegistry;
use super::resolver::LspResolver;
use super::testing;
use super::text;
use super::tsc;
use super::tsc::Assets;
use super::tsc::AssetsSnapshot;
use super::tsc::ChangeKind;
use super::tsc::GetCompletionDetailsArgs;
use super::tsc::TsServer;
use super::urls;
use super::urls::uri_to_url;
use super::urls::url_to_uri;
use crate::args::create_default_npmrc;
use crate::args::get_root_cert_store;
use crate::args::CaData;
use crate::args::CliOptions;
use crate::args::Flags;
use crate::args::InternalFlags;
use crate::args::UnstableFmtOptions;
use crate::factory::CliFactory;
use crate::file_fetcher::CliFileFetcher;
use crate::graph_util;
use crate::http_util::HttpClientProvider;
use crate::lsp::config::ConfigWatchedFileType;
use crate::lsp::logging::init_log_file;
use crate::lsp::tsc::file_text_changes_to_workspace_edit;
use crate::lsp::urls::LspUrlKind;
use crate::sys::CliSys;
use crate::tools::fmt::format_file;
use crate::tools::fmt::format_parsed_source;
use crate::tools::upgrade::check_for_upgrades_for_lsp;
use crate::tools::upgrade::upgrade_check_enabled;
use crate::util::fs::remove_dir_all_if_exists;
use crate::util::path::is_importable_ext;
use crate::util::path::to_percent_decoded_str;
use crate::util::sync::AsyncFlag;
struct LspRootCertStoreProvider(RootCertStore);
impl RootCertStoreProvider for LspRootCertStoreProvider {
fn get_or_try_init(&self) -> Result<&RootCertStore, deno_error::JsErrorBox> {
Ok(&self.0)
}
}
#[derive(Debug, Clone)]
pub struct LanguageServer {
client: Client,
pub inner: Arc<tokio::sync::RwLock<Inner>>,
/// This is used to block out standard request handling until the complete
/// user configuration has been fetched. This is done in the `initialized`
/// handler which normally may occur concurrently with those other requests.
/// TODO(nayeemrmn): This wouldn't be necessary if LSP allowed
/// `workspace/configuration` requests in the `initialize` handler. See:
/// https://github.com/Microsoft/language-server-protocol/issues/567#issuecomment-2085131917
init_flag: AsyncFlag,
performance: Arc<Performance>,
shutdown_flag: AsyncFlag,
}
/// Snapshot of the state used by TSC.
#[derive(Clone, Debug, Default)]
pub struct StateSnapshot {
pub project_version: usize,
pub assets: AssetsSnapshot,
pub config: Arc<Config>,
pub documents: Arc<Documents>,
pub resolver: Arc<LspResolver>,
}
type LanguageServerTaskFn = Box<dyn FnOnce(LanguageServer) + Send + Sync>;
/// Used to queue tasks from inside of the language server lock that must be
/// commenced from outside of it. For example, queue a request to cache a module
/// after having loaded a config file which references it.
#[derive(Debug)]
struct LanguageServerTaskQueue {
task_tx: UnboundedSender<LanguageServerTaskFn>,
/// This is moved out to its own task after initializing.
task_rx: Option<UnboundedReceiver<LanguageServerTaskFn>>,
}
impl Default for LanguageServerTaskQueue {
fn default() -> Self {
let (task_tx, task_rx) = unbounded_channel();
Self {
task_tx,
task_rx: Some(task_rx),
}
}
}
impl LanguageServerTaskQueue {
pub fn queue_task(&self, task_fn: LanguageServerTaskFn) -> bool {
self.task_tx.send(task_fn).is_ok()
}
/// Panics if called more than once.
fn start(&mut self, ls: LanguageServer) {
let mut task_rx = self.task_rx.take().unwrap();
spawn(async move {
while let Some(task_fn) = task_rx.recv().await {
task_fn(ls.clone());
}
});
}
}
#[derive(Debug)]
pub struct Inner {
/// Cached versions of "fixed" assets that can either be inlined in Rust or
/// are part of the TypeScript snapshot and have to be fetched out.
assets: Assets,
cache: LspCache,
/// The LSP client that this LSP server is connected to.
pub client: Client,
/// Configuration information.
pub config: Config,
diagnostics_state: Arc<diagnostics::DiagnosticsState>,
diagnostics_server: diagnostics::DiagnosticsServer,
/// The collection of documents that the server is currently handling, either
/// on disk or "open" within the client.
pub documents: Documents,
http_client_provider: Arc<HttpClientProvider>,
initial_cwd: PathBuf,
jsr_search_api: CliJsrSearchApi,
/// Handles module registries, which allow discovery of modules
module_registry: ModuleRegistry,
/// A lazily create "server" for handling test run requests.
maybe_testing_server: Option<testing::TestServer>,
pub npm_search_api: CliNpmSearchApi,
project_version: usize,
/// A collection of measurements which instrument that performance of the LSP.
performance: Arc<Performance>,
pub resolver: Arc<LspResolver>,
task_queue: LanguageServerTaskQueue,
/// A memoized version of fixable diagnostic codes retrieved from TypeScript.
ts_fixable_diagnostics: Vec<String>,
/// An abstraction that handles interactions with TypeScript.
pub ts_server: Arc<TsServer>,
/// A map of specifiers and URLs used to translate over the LSP.
pub url_map: urls::LspUrlMap,
workspace_files: IndexSet<ModuleSpecifier>,
/// Set to `self.config.settings.enable_settings_hash()` after
/// refreshing `self.workspace_files`.
workspace_files_hash: u64,
}
impl LanguageServer {
pub fn new(client: Client, shutdown_flag: AsyncFlag) -> Self {
let performance = Arc::new(Performance::default());
Self {
client: client.clone(),
inner: Arc::new(tokio::sync::RwLock::new(Inner::new(
client,
performance.clone(),
))),
init_flag: Default::default(),
performance,
shutdown_flag,
}
}
/// Similar to `deno install --entrypoint` on the command line, where modules will be cached
/// in the Deno cache, including any of their dependencies.
pub async fn cache(
&self,
specifiers: Vec<ModuleSpecifier>,
referrer: ModuleSpecifier,
force_global_cache: bool,
) -> LspResult<Option<Value>> {
async fn create_graph_for_caching(
cli_options: CliOptions,
roots: Vec<ModuleSpecifier>,
open_docs: Vec<Arc<Document>>,
) -> Result<(), AnyError> {
let open_docs = open_docs
.into_iter()
.map(|d| (d.specifier().clone(), d))
.collect::<HashMap<_, _>>();
let cli_options = Arc::new(cli_options);
let factory = CliFactory::from_cli_options(cli_options.clone());
let module_graph_builder = factory.module_graph_builder().await?;
let module_graph_creator = factory.module_graph_creator().await?;
let mut inner_loader = module_graph_builder.create_graph_loader();
let mut loader = crate::lsp::documents::OpenDocumentsGraphLoader {
inner_loader: &mut inner_loader,
open_docs: &open_docs,
};
let graph = module_graph_creator
.create_graph_with_loader(
GraphKind::All,
roots.clone(),
&mut loader,
graph_util::NpmCachingStrategy::Eager,
)
.await?;
graph_util::graph_valid(
&graph,
&CliSys::default(),
&roots,
graph_util::GraphValidOptions {
kind: GraphKind::All,
check_js: false,
exit_integrity_errors: false,
},
)?;
// Update the lockfile on the file system with anything new
// found after caching
if let Some(lockfile) = cli_options.maybe_lockfile() {
if let Err(err) = &lockfile.write_if_changed() {
lsp_warn!("{:#}", err);
}
}
Ok(())
}
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
// prepare the cache inside the lock
let mark = self
.performance
.mark_with_args("lsp.cache", (&specifiers, &referrer));
let prepare_cache_result = self.inner.write().await.prepare_cache(
specifiers,
referrer,
force_global_cache,
);
match prepare_cache_result {
Ok(result) => {
// cache outside the lock
let cli_options = result.cli_options;
let roots = result.roots;
let open_docs = result.open_docs;
let handle = spawn(async move {
create_graph_for_caching(cli_options, roots, open_docs).await
});
if let Err(err) = handle.await.unwrap() {
lsp_warn!("Error caching: {:#}", err);
self.client.show_message(MessageType::WARNING, err);
}
// now get the lock back to update with the new information
self.inner.write().await.post_cache().await;
self.performance.measure(mark);
}
Err(err) => {
lsp_warn!("Error preparing caching: {:#}", err);
self.client.show_message(MessageType::WARNING, err);
return Err(LspError::internal_error());
}
}
Ok(Some(json!(true)))
}
/// This request is only used by the lsp integration tests to
/// coordinate the tests receiving the latest diagnostics.
pub async fn latest_diagnostic_batch_index_request(
&self,
) -> LspResult<Option<Value>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
Ok(
self
.inner
.read()
.await
.diagnostics_server
.latest_batch_index()
.map(|v| v.into()),
)
}
pub async fn performance_request(&self) -> LspResult<Option<Value>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
Ok(Some(self.inner.read().await.get_performance()))
}
pub async fn task_definitions(&self) -> LspResult<Vec<TaskDefinition>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.task_definitions()
}
pub async fn test_run_request(
&self,
params: Option<Value>,
) -> LspResult<Option<Value>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.test_run_request(params).await
}
pub async fn test_run_cancel_request(
&self,
params: Option<Value>,
) -> LspResult<Option<Value>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.test_run_cancel_request(params)
}
pub async fn virtual_text_document(
&self,
params: Option<Value>,
) -> LspResult<Option<Value>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
match params.map(serde_json::from_value) {
Some(Ok(params)) => Ok(Some(
serde_json::to_value(
self.inner.read().await.virtual_text_document(params)?,
)
.map_err(|err| {
error!(
"Failed to serialize virtual_text_document response: {:#}",
err
);
LspError::internal_error()
})?,
)),
Some(Err(err)) => Err(LspError::invalid_params(err.to_string())),
None => Err(LspError::invalid_params("Missing parameters")),
}
}
pub async fn refresh_configuration(&self) {
let (folders, capable) = {
let inner = self.inner.read().await;
(
inner.config.workspace_folders.clone(),
inner.config.workspace_configuration_capable(),
)
};
if capable {
let mut scopes = Vec::with_capacity(folders.len() + 1);
scopes.push(None);
for (_, folder) in folders.as_ref() {
scopes.push(Some(folder.uri.clone()));
}
let configs = self
.client
.when_outside_lsp_lock()
.workspace_configuration(scopes)
.await;
if let Ok(configs) = configs {
if configs.len() != folders.len() + 1 {
lsp_warn!("Incorrect number of configurations received.");
return;
}
let mut configs = configs.into_iter();
let unscoped = configs.next().unwrap();
let mut folder_settings = Vec::with_capacity(folders.len());
for (folder_uri, _) in folders.as_ref() {
folder_settings.push((folder_uri.clone(), configs.next().unwrap()));
}
self
.inner
.write()
.await
.config
.set_workspace_settings(unscoped, folder_settings);
}
}
}
}
impl Inner {
fn new(client: Client, performance: Arc<Performance>) -> Self {
let cache = LspCache::default();
let http_client_provider = Arc::new(HttpClientProvider::new(None, None));
let module_registry = ModuleRegistry::new(
cache.deno_dir().registries_folder_path(),
http_client_provider.clone(),
);
let jsr_search_api =
CliJsrSearchApi::new(module_registry.file_fetcher.clone());
let npm_search_api =
CliNpmSearchApi::new(module_registry.file_fetcher.clone());
let documents = Documents::default();
let config = Config::default();
let ts_server = Arc::new(TsServer::new(performance.clone()));
let diagnostics_state = Arc::new(DiagnosticsState::default());
let diagnostics_server = DiagnosticsServer::new(
client.clone(),
performance.clone(),
ts_server.clone(),
diagnostics_state.clone(),
);
let assets = Assets::new(ts_server.clone());
let initial_cwd = std::env::current_dir().unwrap_or_else(|_| {
panic!("Could not resolve current working directory")
});
Self {
assets,
cache,
client,
config,
diagnostics_state,
diagnostics_server,
documents,
http_client_provider,
initial_cwd: initial_cwd.clone(),
jsr_search_api,
project_version: 0,
task_queue: Default::default(),
maybe_testing_server: None,
module_registry,
npm_search_api,
performance,
resolver: Default::default(),
ts_fixable_diagnostics: Default::default(),
ts_server,
url_map: Default::default(),
workspace_files: Default::default(),
workspace_files_hash: 0,
}
}
/// Searches assets and documents for the provided
/// specifier erroring if it doesn't exist.
pub fn get_asset_or_document(
&self,
specifier: &ModuleSpecifier,
) -> LspResult<AssetOrDocument> {
self
.get_maybe_asset_or_document(specifier)
.map(Ok)
.unwrap_or_else(|| {
Err(LspError::invalid_params(format!(
"Unable to find asset or document for: {specifier}"
)))
})
}
/// Searches assets and documents for the provided specifier.
pub fn get_maybe_asset_or_document(
&self,
specifier: &ModuleSpecifier,
) -> Option<AssetOrDocument> {
if specifier.scheme() == "asset" {
self.assets.get(specifier).map(AssetOrDocument::Asset)
} else {
self.documents.get(specifier).map(AssetOrDocument::Document)
}
}
pub async fn get_navigation_tree(
&self,
specifier: &ModuleSpecifier,
) -> Result<Arc<tsc::NavigationTree>, AnyError> {
let mark = self.performance.mark_with_args(
"lsp.get_navigation_tree",
json!({ "specifier": specifier }),
);
let asset_or_doc = self.get_asset_or_document(specifier)?;
let navigation_tree =
if let Some(navigation_tree) = asset_or_doc.maybe_navigation_tree() {
navigation_tree
} else {
let navigation_tree: tsc::NavigationTree = self
.ts_server
.get_navigation_tree(
self.snapshot(),
specifier.clone(),
asset_or_doc.scope().cloned(),
)
.await?;
let navigation_tree = Arc::new(navigation_tree);
match asset_or_doc {
AssetOrDocument::Asset(_) => self
.assets
.cache_navigation_tree(specifier, navigation_tree.clone())?,
AssetOrDocument::Document(doc) => {
doc.cache_navigation_tree(navigation_tree.clone());
}
}
navigation_tree
};
self.performance.measure(mark);
Ok(navigation_tree)
}
fn is_diagnosable(&self, specifier: &ModuleSpecifier) -> bool {
if specifier.scheme() == "asset" {
matches!(
MediaType::from_specifier(specifier),
MediaType::JavaScript
| MediaType::Jsx
| MediaType::Mjs
| MediaType::Cjs
| MediaType::TypeScript
| MediaType::Tsx
| MediaType::Mts
| MediaType::Cts
| MediaType::Dts
| MediaType::Dmts
| MediaType::Dcts
)
} else {
self
.documents
.get(specifier)
.map(|d| d.is_diagnosable())
.unwrap_or(false)
}
}
pub fn snapshot(&self) -> Arc<StateSnapshot> {
Arc::new(StateSnapshot {
project_version: self.project_version,
assets: self.assets.snapshot(),
config: Arc::new(self.config.clone()),
documents: Arc::new(self.documents.clone()),
resolver: self.resolver.snapshot(),
})
}
pub async fn update_global_cache(&mut self) {
let mark = self.performance.mark("lsp.update_global_cache");
let maybe_cache = self.config.workspace_settings().cache.as_ref();
let global_cache_url = maybe_cache.and_then(|cache_str| {
if let Ok(url) = Url::from_file_path(cache_str) {
Some(url)
} else if let Some(root_uri) = self.config.root_uri() {
root_uri.join(cache_str).inspect_err(|err| lsp_warn!("Failed to resolve custom cache path: {err}")).ok()
} else {
lsp_warn!(
"The configured cache path \"{cache_str}\" is not resolvable outside of a workspace.",
);
None
}
});
self.cache = LspCache::new(global_cache_url);
let deno_dir = self.cache.deno_dir();
let workspace_settings = self.config.workspace_settings();
let maybe_root_path = self
.config
.root_uri()
.and_then(|uri| url_to_file_path(uri).ok());
let root_cert_store = get_root_cert_store(
maybe_root_path,
workspace_settings.certificate_stores.clone(),
workspace_settings.tls_certificate.clone().map(CaData::File),
)
.inspect_err(|err| lsp_warn!("Failed to load root cert store: {err}"))
.unwrap_or_else(|_| RootCertStore::empty());
let root_cert_store_provider =
Arc::new(LspRootCertStoreProvider(root_cert_store));
self.http_client_provider = Arc::new(HttpClientProvider::new(
Some(root_cert_store_provider),
workspace_settings
.unsafely_ignore_certificate_errors
.clone(),
));
self.module_registry = ModuleRegistry::new(
deno_dir.registries_folder_path(),
self.http_client_provider.clone(),
);
let workspace_settings = self.config.workspace_settings();
for (registry, enabled) in workspace_settings.suggest.imports.hosts.iter() {
if *enabled {
lsp_log!("Enabling import suggestions for: {}", registry);
self.module_registry.enable(registry).await;
} else {
self.module_registry.disable(registry);
}
}
self.jsr_search_api =
CliJsrSearchApi::new(self.module_registry.file_fetcher.clone());
self.npm_search_api =
CliNpmSearchApi::new(self.module_registry.file_fetcher.clone());
self.performance.measure(mark);
}
pub fn update_cache(&mut self) {
let mark = self.performance.mark("lsp.update_cache");
self.cache.update_config(&self.config);
self.url_map.set_cache(&self.cache);
self.performance.measure(mark);
}
pub fn update_debug_flag(&self) {
let internal_debug = self.config.workspace_settings().internal_debug;
super::logging::set_lsp_debug_flag(internal_debug)
}
}
// lspower::LanguageServer methods. This file's LanguageServer delegates to us.
impl Inner {
async fn initialize(
&mut self,
params: InitializeParams,
) -> LspResult<InitializeResult> {
lsp_log!("Starting Deno language server...");
let mark = self.performance.mark_with_args("lsp.initialize", ¶ms);
// exit this process when the parent is lost
if let Some(parent_pid) = params.process_id {
parent_process_checker::start(parent_pid)
}
let capabilities = capabilities::server_capabilities(¶ms.capabilities);
let version = format!(
"{} ({}, {})",
crate::version::DENO_VERSION_INFO.deno,
env!("PROFILE"),
env!("TARGET")
);
lsp_log!(" version: {}", version);
if let Ok(path) = std::env::current_exe() {
lsp_log!(" executable: {}", path.to_string_lossy());
}
let server_info = ServerInfo {
name: "deno-language-server".to_string(),
version: Some(version),
};
if let Some(client_info) = params.client_info {
lsp_log!(
"Connected to \"{}\" {}",
client_info.name,
client_info.version.unwrap_or_default(),
);
}
{
let mut workspace_folders = vec![];
if let Some(folders) = params.workspace_folders {
workspace_folders = folders
.into_iter()
.map(|folder| {
(
self
.url_map
.uri_to_specifier(&folder.uri, LspUrlKind::Folder),
folder,
)
})
.collect();
}
// rootUri is deprecated by the LSP spec. If it's specified, merge it into
// workspace_folders.
#[allow(deprecated)]
if let Some(root_uri) = params.root_uri {
if !workspace_folders.iter().any(|(_, f)| f.uri == root_uri) {
let root_url =
self.url_map.uri_to_specifier(&root_uri, LspUrlKind::Folder);
let name = root_url.path_segments().and_then(|s| s.last());
let name = name.unwrap_or_default().to_string();
workspace_folders.insert(
0,
(
root_url,
WorkspaceFolder {
uri: root_uri,
name,
},
),
);
}
}
self.config.set_workspace_folders(workspace_folders);
if let Some(options) = params.initialization_options {
self.config.set_workspace_settings(
WorkspaceSettings::from_initialization_options(options),
vec![],
);
}
self.config.set_client_capabilities(params.capabilities);
}
self.diagnostics_server.start();
if let Err(e) = self
.ts_server
.start(self.config.internal_inspect().to_address())
{
lsp_warn!("{}", e);
self.client.show_message(MessageType::ERROR, e);
return Err(tower_lsp::jsonrpc::Error::internal_error());
};
self.update_debug_flag();
if capabilities.code_action_provider.is_some() {
let fixable_diagnostics = self
.ts_server
.get_supported_code_fixes(self.snapshot())
.await?;
self.ts_fixable_diagnostics = fixable_diagnostics;
}
self.assets.initialize(self.snapshot()).await;
self.performance.measure(mark);
Ok(InitializeResult {
capabilities,
server_info: Some(server_info),
offset_encoding: None,
})
}
fn walk_workspace(config: &Config) -> (IndexSet<ModuleSpecifier>, bool) {
if !config.workspace_capable() {
log::debug!("Skipped workspace walk due to client incapability.");
return (Default::default(), false);
}
let mut workspace_files = IndexSet::default();
let entry_limit = 1000;
let mut pending = VecDeque::new();
let mut entry_count = 0;
let mut roots = config
.workspace_folders
.iter()
.filter_map(|p| url_to_file_path(&p.0).ok())
.collect::<Vec<_>>();
roots.sort();
let roots = roots
.iter()
.enumerate()
.filter(|(i, root)| *i == 0 || !root.starts_with(&roots[i - 1]))
.map(|(_, r)| r.clone())
.collect::<Vec<_>>();
let mut root_ancestors = BTreeSet::new();
for root in roots {
for ancestor in root.ancestors().skip(1) {
if root_ancestors.insert(ancestor.to_path_buf()) {
break;
}
}
if let Ok(read_dir) = std::fs::read_dir(&root) {
pending.push_back((root, read_dir));
}
}
for root_ancestor in root_ancestors {
for deno_json in ["deno.json", "deno.jsonc"] {
let path = root_ancestor.join(deno_json);
if path.exists() {
if let Ok(specifier) = ModuleSpecifier::from_file_path(path) {
workspace_files.insert(specifier);
}
}
}
}
while let Some((parent_path, read_dir)) = pending.pop_front() {
// Sort entries from each dir for consistency across operating systems.
let mut dir_files = BTreeSet::new();
let mut dir_subdirs = BTreeMap::new();
for entry in read_dir {
let Ok(entry) = entry else {
continue;
};
if entry_count >= entry_limit {
return (workspace_files, true);
}
entry_count += 1;
let path = parent_path.join(entry.path());
let Ok(specifier) = ModuleSpecifier::from_file_path(&path) else {
continue;
};
let Ok(file_type) = entry.file_type() else {
continue;
};
let Some(file_name) = path.file_name() else {
continue;
};
if config.settings.specifier_enabled(&specifier) == Some(false) {
continue;
}
if file_type.is_dir() {
let dir_name = file_name.to_string_lossy().to_lowercase();
// We ignore these directories by default because there is a
// high likelihood they aren't relevant. Someone can opt-into
// them by specifying one of them as an enabled path.
if matches!(
dir_name.as_str(),
"vendor" | "coverage" | "node_modules" | ".git"
) {
continue;
}
// ignore cargo target directories for anyone using Deno with Rust
if dir_name == "target"
&& path
.parent()
.map(|p| p.join("Cargo.toml").exists())
.unwrap_or(false)
{
continue;
}
if let Ok(read_dir) = std::fs::read_dir(&path) {
dir_subdirs.insert(specifier, (path, read_dir));
}
} else if file_type.is_file()
|| file_type.is_symlink()
&& std::fs::metadata(&path)
.ok()
.map(|m| m.is_file())
.unwrap_or(false)
{
if file_name.to_string_lossy().contains(".min.") {
continue;
}
let media_type = MediaType::from_specifier(&specifier);
match media_type {
MediaType::JavaScript
| MediaType::Jsx
| MediaType::Mjs
| MediaType::Cjs
| MediaType::TypeScript
| MediaType::Mts
| MediaType::Cts
| MediaType::Dts
| MediaType::Dmts
| MediaType::Dcts
| MediaType::Json
| MediaType::Tsx => {}
MediaType::Wasm
| MediaType::SourceMap
| MediaType::Css
| MediaType::Unknown => {
if path.extension().and_then(|s| s.to_str()) != Some("jsonc") {
continue;
}
}
}
dir_files.insert(specifier);
}
}
workspace_files.extend(dir_files);
pending.extend(dir_subdirs.into_values());
}
(workspace_files, false)
}
fn refresh_workspace_files(&mut self) {
let enable_settings_hash = self.config.settings.enable_settings_hash();
if self.workspace_files_hash == enable_settings_hash {
return;
}
let (workspace_files, hit_limit) = Self::walk_workspace(&self.config);
if hit_limit {
let document_preload_limit =
self.config.workspace_settings().document_preload_limit;
if document_preload_limit == 0 {
log::debug!("Skipped document preload.");
} else {
lsp_warn!(
concat!(
"Hit the language server document preload limit of {} file system entries. ",
"You may want to use the \"deno.enablePaths\" configuration setting to only have Deno ",
"partially enable a workspace or increase the limit via \"deno.documentPreloadLimit\". ",
"In cases where Deno ends up using too much memory, you may want to lower the limit."
),
document_preload_limit,
);
}
}
self.workspace_files = workspace_files;
self.workspace_files_hash = enable_settings_hash;
}
async fn refresh_config_tree(&mut self) {
let file_fetcher = CliFileFetcher::new(
self.cache.global().clone(),
self.http_client_provider.clone(),
CliSys::default(),
Default::default(),
None,
true,
CacheSetting::RespectHeaders,
super::logging::lsp_log_level(),
);
let file_fetcher = Arc::new(file_fetcher);
self
.config
.tree
.refresh(&self.config.settings, &self.workspace_files, &file_fetcher)
.await;
self
.client
.send_did_refresh_deno_configuration_tree_notification(
self.config.tree.to_did_refresh_params(),
);
for config_file in self.config.tree.config_files() {
(|| {
let compiler_options = config_file.to_compiler_options().ok()?.options;
let jsx_import_source = compiler_options.get("jsxImportSource")?;
let jsx_import_source = jsx_import_source.as_str()?.to_string();
let referrer = config_file.specifier.clone();
let specifier = format!("{jsx_import_source}/jsx-runtime");
self.task_queue.queue_task(Box::new(|ls: LanguageServer| {
spawn(async move {
let specifier = {
let inner = ls.inner.read().await;
let resolver = inner.resolver.as_cli_resolver(Some(&referrer));
let Ok(specifier) = resolver.resolve(
&specifier,
&referrer,
deno_graph::Position::zeroed(),
ResolutionMode::Import,
NodeResolutionKind::Types,
) else {
return;
};
specifier
};
if let Err(err) = ls.cache(vec![specifier], referrer, false).await {
lsp_warn!("{:#}", err);
}
});
}));
Some(())
})();
}
}
async fn refresh_resolver(&mut self) {
self.resolver = Arc::new(
LspResolver::from_config(
&self.config,
&self.cache,
Some(&self.http_client_provider),
)
.await,
);
}
async fn refresh_documents_config(&mut self) {
self.documents.update_config(
&self.config,
&self.resolver,
&self.cache,
&self.workspace_files,
);
// refresh the npm specifiers because it might have discovered
// a @types/node package and now's a good time to do that anyway
self.refresh_dep_info().await;
self.project_changed([], true);
}
async fn did_open(&mut self, params: DidOpenTextDocumentParams) {
let mark = self.performance.mark_with_args("lsp.did_open", ¶ms);
let Some(scheme) = params.text_document.uri.scheme() else {
return;
};
if scheme.as_str() == "deno" {
// we can ignore virtual text documents opening, as they don't need to
// be tracked in memory, as they are static assets that won't change
// already managed by the language service
return;
}
let language_id =
params
.text_document
.language_id
.parse()
.unwrap_or_else(|err| {
error!("{:#}", err);
LanguageId::Unknown
});
if language_id == LanguageId::Unknown {
lsp_warn!(
"Unsupported language id \"{}\" received for document \"{}\".",
params.text_document.language_id,
params.text_document.uri.as_str()
);
}
let file_referrer = Some(uri_to_url(¶ms.text_document.uri))
.filter(|s| self.documents.is_valid_file_referrer(s));
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
let document = self.documents.open(
specifier.clone(),
params.text_document.version,
params.text_document.language_id.parse().unwrap(),
params.text_document.text.into(),
file_referrer,
);
if document.is_diagnosable() {
self.project_changed([(document.specifier(), ChangeKind::Opened)], false);
self.refresh_dep_info().await;
self.diagnostics_server.invalidate(&[specifier]);
self.send_diagnostics_update();
self.send_testing_update();
}
self.performance.measure(mark);
}
async fn did_change(&mut self, params: DidChangeTextDocumentParams) {
let mark = self.performance.mark_with_args("lsp.did_change", ¶ms);
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
match self.documents.change(
&specifier,
params.text_document.version,
params.content_changes,
) {
Ok(document) => {
if document.is_diagnosable() {
let old_scopes_with_node_specifier =
self.documents.scopes_with_node_specifier();
self.refresh_dep_info().await;
let mut config_changed = false;
if !self
.documents
.scopes_with_node_specifier()
.equivalent(&old_scopes_with_node_specifier)
{
config_changed = true;
}
self.project_changed(
[(document.specifier(), ChangeKind::Modified)],
config_changed,
);
self.diagnostics_server.invalidate(&[specifier]);
self.send_diagnostics_update();
self.send_testing_update();
}
}
Err(err) => error!("{:#}", err),
}
self.performance.measure(mark);
}
fn did_save(&mut self, params: DidSaveTextDocumentParams) {
let _mark = self.performance.measure_scope("lsp.did_save");
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
self.documents.save(&specifier);
if !self
.config
.workspace_settings_for_specifier(&specifier)
.cache_on_save
|| !self.config.specifier_enabled(&specifier)
|| !self.diagnostics_state.has_no_cache_diagnostics(&specifier)
{
return;
}
match url_to_file_path(&specifier) {
Ok(path) if is_importable_ext(&path) => {}
_ => return,
}
self.task_queue.queue_task(Box::new(|ls: LanguageServer| {
spawn(async move {
if let Err(err) = ls.cache(vec![], specifier.clone(), false).await {
lsp_warn!("Failed to cache \"{}\" on save: {:#}", &specifier, err);
}
});
}));
}
async fn refresh_dep_info(&mut self) {
let dep_info_by_scope = self.documents.dep_info_by_scope();
let resolver = self.resolver.clone();
// spawn due to the lsp's `Send` requirement
spawn(
async move { resolver.set_dep_info_by_scope(&dep_info_by_scope).await },
)
.await
.ok();
}
async fn did_close(&mut self, params: DidCloseTextDocumentParams) {
let mark = self.performance.mark_with_args("lsp.did_close", ¶ms);
let Some(scheme) = params.text_document.uri.scheme() else {
return;
};
if scheme.as_str() == "deno" {
// we can ignore virtual text documents closing, as they don't need to
// be tracked in memory, as they are static assets that won't change
// already managed by the language service
return;
}
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
self.diagnostics_state.clear(&specifier);
if self.is_diagnosable(&specifier) {
self.refresh_dep_info().await;
self.diagnostics_server.invalidate(&[specifier.clone()]);
self.send_diagnostics_update();
self.send_testing_update();
}
self.documents.close(&specifier);
self.project_changed([(&specifier, ChangeKind::Closed)], false);
self.performance.measure(mark);
}
async fn did_change_configuration(
&mut self,
params: DidChangeConfigurationParams,
) {
if !self.config.workspace_configuration_capable() {
let config = params.settings.as_object().map(|settings| {
let deno =
serde_json::to_value(settings.get(SETTINGS_SECTION)).unwrap();
let javascript =
serde_json::to_value(settings.get("javascript")).unwrap();
let typescript =
serde_json::to_value(settings.get("typescript")).unwrap();
WorkspaceSettings::from_raw_settings(deno, javascript, typescript)
});
if let Some(settings) = config {
self.config.set_workspace_settings(settings, vec![]);
}
};
self.update_debug_flag();
self.update_global_cache().await;
self.refresh_workspace_files();
self.refresh_config_tree().await;
self.update_cache();
self.refresh_resolver().await;
self.refresh_documents_config().await;
self.diagnostics_server.invalidate_all();
self.send_diagnostics_update();
self.send_testing_update();
}
async fn did_change_watched_files(
&mut self,
params: DidChangeWatchedFilesParams,
) {
let mark = self
.performance
.mark_with_args("lsp.did_change_watched_files", ¶ms);
let changes = params
.changes
.into_iter()
.map(|e| (self.url_map.uri_to_specifier(&e.uri, LspUrlKind::File), e))
.collect::<Vec<_>>();
if changes
.iter()
.any(|(s, _)| self.config.tree.is_watched_file(s))
{
let mut deno_config_changes = IndexSet::with_capacity(changes.len());
deno_config_changes.extend(changes.iter().filter_map(|(s, e)| {
self.config.tree.watched_file_type(s).and_then(|t| {
let configuration_type = match t.1 {
ConfigWatchedFileType::DenoJson => {
lsp_custom::DenoConfigurationType::DenoJson
}
ConfigWatchedFileType::PackageJson => {
lsp_custom::DenoConfigurationType::PackageJson
}
_ => return None,
};
Some(lsp_custom::DenoConfigurationChangeEvent {
scope_uri: url_to_uri(t.0).ok()?,
file_uri: e.uri.clone(),
typ: lsp_custom::DenoConfigurationChangeType::from_file_change_type(
e.typ,
),
configuration_type,
})
})
}));
self.workspace_files_hash = 0;
self.refresh_workspace_files();
self.refresh_config_tree().await;
self.update_cache();
self.refresh_resolver().await;
self.refresh_documents_config().await;
self.project_changed(
changes.iter().map(|(s, _)| (s, ChangeKind::Modified)),
false,
);
self.ts_server.cleanup_semantic_cache(self.snapshot()).await;
self.diagnostics_server.invalidate_all();
self.send_diagnostics_update();
self.send_testing_update();
deno_config_changes.extend(changes.iter().filter_map(|(s, e)| {
self.config.tree.watched_file_type(s).and_then(|t| {
let configuration_type = match t.1 {
ConfigWatchedFileType::DenoJson => {
lsp_custom::DenoConfigurationType::DenoJson
}
ConfigWatchedFileType::PackageJson => {
lsp_custom::DenoConfigurationType::PackageJson
}
_ => return None,
};
Some(lsp_custom::DenoConfigurationChangeEvent {
scope_uri: url_to_uri(t.0).ok()?,
file_uri: e.uri.clone(),
typ: lsp_custom::DenoConfigurationChangeType::from_file_change_type(
e.typ,
),
configuration_type,
})
})
}));
if !deno_config_changes.is_empty() {
self.client.send_did_change_deno_configuration_notification(
lsp_custom::DidChangeDenoConfigurationNotificationParams {
changes: deno_config_changes.into_iter().collect(),
},
);
}
}
self.performance.measure(mark);
}
async fn document_symbol(
&self,
params: DocumentSymbolParams,
) -> LspResult<Option<DocumentSymbolResponse>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.document_symbol", ¶ms);
let asset_or_document = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_document.line_index();
let navigation_tree =
self.get_navigation_tree(&specifier).await.map_err(|err| {
error!(
"Error getting document symbols for \"{}\": {:#}",
specifier, err
);
LspError::internal_error()
})?;
let response = if let Some(child_items) = &navigation_tree.child_items {
let mut document_symbols = Vec::<DocumentSymbol>::new();
for item in child_items {
item
.collect_document_symbols(line_index.clone(), &mut document_symbols);
}
Some(DocumentSymbolResponse::Nested(document_symbols))
} else {
None
};
self.performance.measure(mark);
Ok(response)
}
async fn formatting(
&self,
params: DocumentFormattingParams,
) -> LspResult<Option<Vec<TextEdit>>> {
let file_referrer = Some(uri_to_url(¶ms.text_document.uri))
.filter(|s| self.documents.is_valid_file_referrer(s));
let mut specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
// skip formatting any files ignored by the config file
if !self
.config
.tree
.fmt_config_for_specifier(&specifier)
.files
.matches_specifier(&specifier)
{
return Ok(None);
}
let document = self
.documents
.get_or_load(&specifier, file_referrer.as_ref());
let Some(document) = document else {
return Ok(None);
};
// Detect vendored paths. Vendor file URLs will normalize to their remote
// counterparts, but for formatting we want to favour the file URL.
// TODO(nayeemrmn): Implement `Document::file_resource_path()` or similar.
if specifier.scheme() != "file"
&& params.text_document.uri.scheme().map(|s| s.as_str()) == Some("file")
{
specifier = uri_to_url(¶ms.text_document.uri);
}
let file_path = url_to_file_path(&specifier).map_err(|err| {
error!("{:#}", err);
LspError::invalid_request()
})?;
let mark = self.performance.mark_with_args("lsp.formatting", ¶ms);
// spawn a blocking task to allow doing other work while this is occurring
let text_edits = deno_core::unsync::spawn_blocking({
let mut fmt_options = self
.config
.tree
.fmt_config_for_specifier(&specifier)
.options
.clone();
let config_data = self.config.tree.data_for_specifier(&specifier);
if !config_data.is_some_and(|d| d.maybe_deno_json().is_some()) {
fmt_options.use_tabs = Some(!params.options.insert_spaces);
fmt_options.indent_width = Some(params.options.tab_size as u8);
}
let unstable_options = UnstableFmtOptions {
component: config_data
.map(|d| d.unstable.contains("fmt-component"))
.unwrap_or(false),
sql: config_data
.map(|d| d.unstable.contains("fmt-sql"))
.unwrap_or(false),
};
let document = document.clone();
move || {
let format_result = match document.maybe_parsed_source() {
Some(Ok(parsed_source)) => {
format_parsed_source(parsed_source, &fmt_options)
}
Some(Err(err)) => Err(anyhow!("{:#}", err)),
None => {
// the file path is only used to determine what formatter should
// be used to format the file, so give the filepath an extension
// that matches what the user selected as the language
let ext = document
.maybe_language_id()
.and_then(|id| id.as_extension().map(|s| s.to_string()));
// it's not a js/ts file, so attempt to format its contents
format_file(
&file_path,
document.content(),
&fmt_options,
&unstable_options,
ext,
)
}
};
match format_result {
Ok(Some(new_text)) => Some(text::get_edits(
document.content(),
&new_text,
document.line_index().as_ref(),
)),
Ok(None) => Some(Vec::new()),
Err(err) => {
lsp_warn!("Format error: {:#}", err);
None
}
}
}
})
.await
.unwrap();
self.performance.measure(mark);
if let Some(text_edits) = text_edits {
if text_edits.is_empty() {
Ok(None)
} else {
Ok(Some(text_edits))
}
} else {
Ok(None)
}
}
async fn hover(&self, params: HoverParams) -> LspResult<Option<Hover>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position_params.text_document.uri,
LspUrlKind::File,
);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self.performance.mark_with_args("lsp.hover", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let file_referrer = asset_or_doc.file_referrer();
let hover = if let Some((_, dep, range)) = asset_or_doc
.get_maybe_dependency(¶ms.text_document_position_params.position)
{
let dep_doc = dep
.get_code()
.and_then(|s| self.documents.get_or_load(s, file_referrer));
let dep_maybe_types_dependency =
dep_doc.as_ref().map(|d| d.maybe_types_dependency());
let value = match (dep.maybe_code.is_none(), dep.maybe_type.is_none(), &dep_maybe_types_dependency) {
(false, false, None) => format!(
"**Resolved Dependency**\n\n**Code**: {}\n\n**Types**: {}\n",
self.resolution_to_hover_text(&dep.maybe_code, file_referrer),
self.resolution_to_hover_text(&dep.maybe_type, file_referrer),
),
(false, false, Some(types_dep)) if !types_dep.is_none() => format!(
"**Resolved Dependency**\n\n**Code**: {}\n**Types**: {}\n**Import Types**: {}\n",
self.resolution_to_hover_text(&dep.maybe_code, file_referrer),
self.resolution_to_hover_text(&dep.maybe_type, file_referrer),
self.resolution_to_hover_text(types_dep, file_referrer),
),
(false, false, Some(_)) => format!(
"**Resolved Dependency**\n\n**Code**: {}\n\n**Types**: {}\n",
self.resolution_to_hover_text(&dep.maybe_code, file_referrer),
self.resolution_to_hover_text(&dep.maybe_type, file_referrer),
),
(false, true, Some(types_dep)) if !types_dep.is_none() => format!(
"**Resolved Dependency**\n\n**Code**: {}\n\n**Types**: {}\n",
self.resolution_to_hover_text(&dep.maybe_code, file_referrer),
self.resolution_to_hover_text(types_dep, file_referrer),
),
(false, true, _) => format!(
"**Resolved Dependency**\n\n**Code**: {}\n",
self.resolution_to_hover_text(&dep.maybe_code, file_referrer),
),
(true, false, _) => format!(
"**Resolved Dependency**\n\n**Types**: {}\n",
self.resolution_to_hover_text(&dep.maybe_type, file_referrer),
),
(true, true, _) => unreachable!("{}", json!(params)),
};
let value = if let Some(docs) = self.module_registry.get_hover(&dep).await
{
format!("{value}\n\n---\n\n{docs}")
} else {
value
};
Some(Hover {
contents: HoverContents::Markup(MarkupContent {
kind: MarkupKind::Markdown,
value,
}),
range: Some(to_lsp_range(&range)),
})
} else {
let line_index = asset_or_doc.line_index();
let position =
line_index.offset_tsc(params.text_document_position_params.position)?;
let maybe_quick_info = self
.ts_server
.get_quick_info(
self.snapshot(),
specifier.clone(),
position,
asset_or_doc.scope().cloned(),
)
.await?;
maybe_quick_info.map(|qi| qi.to_hover(line_index, self))
};
self.performance.measure(mark);
Ok(hover)
}
fn resolution_to_hover_text(
&self,
resolution: &Resolution,
file_referrer: Option<&ModuleSpecifier>,
) -> String {
match resolution {
Resolution::Ok(resolved) => {
let specifier = &resolved.specifier;
let format = |scheme: &str, rest: &str| -> String {
format!("{}​{}", scheme, rest).replace('@', "​@")
};
match specifier.scheme() {
"data" => "_(a data url)_".to_string(),
"blob" => "_(a blob url)_".to_string(),
"file" => format(
&specifier[..url::Position::AfterScheme],
&to_percent_decoded_str(&specifier[url::Position::AfterScheme..]),
),
_ => {
let mut result = format(
&specifier[..url::Position::AfterScheme],
&specifier[url::Position::AfterScheme..],
);
if let Ok(jsr_req_ref) =
JsrPackageReqReference::from_specifier(specifier)
{
if let Some(url) = self
.resolver
.jsr_to_resource_url(&jsr_req_ref, file_referrer)
{
result = format!("{result} (<{url}>)");
}
}
result
}
}
}
Resolution::Err(_) => "_[errored]_".to_string(),
Resolution::None => "_[missing]_".to_string(),
}
}
async fn code_action(
&self,
params: CodeActionParams,
) -> LspResult<Option<CodeActionResponse>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self.performance.mark_with_args("lsp.code_action", ¶ms);
let mut all_actions = CodeActionResponse::new();
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
// QuickFix
let fixable_diagnostics: Vec<&Diagnostic> = params
.context
.diagnostics
.iter()
.filter(|d| match &d.source {
Some(source) => match source.as_str() {
"deno-ts" => match &d.code {
Some(NumberOrString::String(code)) => {
self.ts_fixable_diagnostics.contains(code)
}
Some(NumberOrString::Number(code)) => {
self.ts_fixable_diagnostics.contains(&code.to_string())
}
_ => false,
},
"deno-lint" => d.code.is_some(),
"deno" => diagnostics::DenoDiagnostic::is_fixable(d),
_ => false,
},
None => false,
})
.collect();
let mut code_actions = CodeActionCollection::default();
if !fixable_diagnostics.is_empty() {
let file_diagnostics = self
.diagnostics_server
.get_ts_diagnostics(&specifier, asset_or_doc.document_lsp_version());
let specifier_kind = asset_or_doc
.document()
.map(|d| d.resolution_mode())
.unwrap_or(ResolutionMode::Import);
let mut includes_no_cache = false;
for diagnostic in &fixable_diagnostics {
match diagnostic.source.as_deref() {
Some("deno-ts") => {
let code = match diagnostic.code.as_ref().unwrap() {
NumberOrString::String(code) => match code.parse() {
Ok(c) => c,
Err(e) => {
lsp_warn!("Invalid diagnostic code {code}: {e}");
continue;
}
},
NumberOrString::Number(code) => *code,
};
let codes = vec![code];
let actions = self
.ts_server
.get_code_fixes(
self.snapshot(),
specifier.clone(),
line_index.offset_tsc(diagnostic.range.start)?
..line_index.offset_tsc(diagnostic.range.end)?,
codes,
(&self
.config
.tree
.fmt_config_for_specifier(&specifier)
.options)
.into(),
tsc::UserPreferences::from_config_for_specifier(
&self.config,
&specifier,
),
asset_or_doc.scope().cloned(),
)
.await;
for action in actions {
code_actions
.add_ts_fix_action(
&specifier,
specifier_kind,
&action,
diagnostic,
self,
)
.map_err(|err| {
error!("Unable to convert fix: {:#}", err);
LspError::internal_error()
})?;
if code_actions.is_fix_all_action(
&action,
diagnostic,
&file_diagnostics,
) {
code_actions
.add_ts_fix_all_action(&action, &specifier, diagnostic);
}
}
}
Some("deno") => {
if diagnostic.code
== Some(NumberOrString::String("no-cache".to_string()))
|| diagnostic.code
== Some(NumberOrString::String("not-installed-jsr".to_string()))
|| diagnostic.code
== Some(NumberOrString::String("not-installed-npm".to_string()))
{
includes_no_cache = true;
}
code_actions
.add_deno_fix_action(&specifier, diagnostic)
.map_err(|err| {
error!("{:#}", err);
LspError::internal_error()
})?
}
Some("deno-lint") => code_actions
.add_deno_lint_actions(
&specifier,
diagnostic,
asset_or_doc.document().map(|d| d.text_info()),
asset_or_doc
.maybe_parsed_source()
.and_then(|r| r.as_ref().ok()),
)
.map_err(|err| {
error!("Unable to fix lint error: {:#}", err);
LspError::internal_error()
})?,
_ => (),
}
}
if includes_no_cache {
let no_cache_diagnostics =
self.diagnostics_state.no_cache_diagnostics(&specifier);
let uncached_deps = no_cache_diagnostics
.iter()
.filter_map(|d| {
let data = serde_json::from_value::<DiagnosticDataSpecifier>(
d.data.clone().into(),
)
.ok()?;
Some(data.specifier)
})
.collect::<HashSet<_>>();
if uncached_deps.len() > 1 {
code_actions
.add_cache_all_action(&specifier, no_cache_diagnostics.to_owned());
}
}
}
if let Some(document) = asset_or_doc.document() {
code_actions
.add_source_actions(document, ¶ms.range, self)
.await;
}
code_actions.set_preferred_fixes();
all_actions.extend(code_actions.get_response());
// Refactor
let only = params
.context
.only
.as_ref()
.and_then(|values| values.first().map(|v| v.as_str().to_owned()))
.unwrap_or_default();
let refactor_infos = self
.ts_server
.get_applicable_refactors(
self.snapshot(),
specifier.clone(),
line_index.offset_tsc(params.range.start)?
..line_index.offset_tsc(params.range.end)?,
Some(tsc::UserPreferences::from_config_for_specifier(
&self.config,
&specifier,
)),
params.context.trigger_kind,
only,
asset_or_doc.scope().cloned(),
)
.await?;
let mut refactor_actions = Vec::<CodeAction>::new();
for refactor_info in refactor_infos.iter() {
refactor_actions
.extend(refactor_info.to_code_actions(&specifier, ¶ms.range));
}
all_actions.extend(
refactor::prune_invalid_actions(refactor_actions, 5)
.into_iter()
.map(CodeActionOrCommand::CodeAction),
);
let code_action_disabled_capable =
self.config.code_action_disabled_capable();
let actions: Vec<CodeActionOrCommand> = all_actions.into_iter().filter(|ca| {
code_action_disabled_capable
|| matches!(ca, CodeActionOrCommand::CodeAction(ca) if ca.disabled.is_none())
}).collect();
let response = if actions.is_empty() {
None
} else {
Some(actions)
};
self.performance.measure(mark);
Ok(response)
}
async fn code_action_resolve(
&self,
params: CodeAction,
) -> LspResult<CodeAction> {
if params.kind.is_none() || params.data.is_none() {
return Ok(params);
}
let mark = self
.performance
.mark_with_args("lsp.code_action_resolve", ¶ms);
let kind = params.kind.clone().unwrap();
let data = params.data.clone().unwrap();
let result = if kind.as_str().starts_with(CodeActionKind::QUICKFIX.as_str())
{
let code_action_data: CodeActionData =
from_value(data).map_err(|err| {
error!("Unable to decode code action data: {:#}", err);
LspError::invalid_params("The CodeAction's data is invalid.")
})?;
let maybe_asset_or_doc =
self.get_asset_or_document(&code_action_data.specifier).ok();
let scope = maybe_asset_or_doc.as_ref().and_then(|d| d.scope().cloned());
let combined_code_actions = self
.ts_server
.get_combined_code_fix(
self.snapshot(),
&code_action_data,
(&self
.config
.tree
.fmt_config_for_specifier(&code_action_data.specifier)
.options)
.into(),
tsc::UserPreferences::from_config_for_specifier(
&self.config,
&code_action_data.specifier,
),
scope,
)
.await?;
if combined_code_actions.commands.is_some() {
error!("Deno does not support code actions with commands.");
return Err(LspError::invalid_request());
}
let changes = if code_action_data.fix_id == "fixMissingImport" {
fix_ts_import_changes(&combined_code_actions.changes, self).map_err(
|err| {
error!("Unable to remap changes: {:#}", err);
LspError::internal_error()
},
)?
} else {
combined_code_actions.changes
};
let mut code_action = params;
code_action.edit = ts_changes_to_edit(&changes, self).map_err(|err| {
error!("Unable to convert changes to edits: {:#}", err);
LspError::internal_error()
})?;
code_action
} else if let Some(kind_suffix) = kind
.as_str()
.strip_prefix(CodeActionKind::REFACTOR.as_str())
{
let mut code_action = params;
let action_data: refactor::RefactorCodeActionData = from_value(data)
.map_err(|err| {
error!("Unable to decode code action data: {:#}", err);
LspError::invalid_params("The CodeAction's data is invalid.")
})?;
let asset_or_doc = self.get_asset_or_document(&action_data.specifier)?;
let line_index = asset_or_doc.line_index();
let mut refactor_edit_info = self
.ts_server
.get_edits_for_refactor(
self.snapshot(),
action_data.specifier.clone(),
(&self
.config
.tree
.fmt_config_for_specifier(&action_data.specifier)
.options)
.into(),
line_index.offset_tsc(action_data.range.start)?
..line_index.offset_tsc(action_data.range.end)?,
action_data.refactor_name,
action_data.action_name,
Some(tsc::UserPreferences::from_config_for_specifier(
&self.config,
&action_data.specifier,
)),
asset_or_doc.scope().cloned(),
)
.await?;
if kind_suffix == ".rewrite.function.returnType"
|| kind_suffix == ".move.newFile"
{
refactor_edit_info.edits =
fix_ts_import_changes(&refactor_edit_info.edits, self).map_err(
|err| {
error!("Unable to remap changes: {:#}", err);
LspError::internal_error()
},
)?
}
code_action.edit = refactor_edit_info.to_workspace_edit(self)?;
code_action
} else {
// The code action doesn't need to be resolved
params
};
self.performance.measure(mark);
Ok(result)
}
pub fn get_ts_response_import_mapper(
&self,
file_referrer: &ModuleSpecifier,
) -> TsResponseImportMapper {
TsResponseImportMapper::new(
&self.documents,
self
.config
.tree
.data_for_specifier(file_referrer)
// todo(dsherret): this should probably just take the resolver itself
// as the import map is an implementation detail
.and_then(|d| d.resolver.maybe_import_map()),
&self.resolver,
&self.ts_server.specifier_map,
file_referrer,
)
}
async fn code_lens(
&self,
params: CodeLensParams,
) -> LspResult<Option<Vec<CodeLens>>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self.performance.mark_with_args("lsp.code_lens", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let settings = self.config.workspace_settings_for_specifier(&specifier);
let mut code_lenses = Vec::new();
if settings.code_lens.test
&& self.config.specifier_enabled_for_test(&specifier)
{
if let Some(Ok(parsed_source)) = asset_or_doc.maybe_parsed_source() {
code_lenses.extend(
code_lens::collect_test(&specifier, parsed_source).map_err(
|err| {
error!(
"Error getting test code lenses for \"{}\": {:#}",
&specifier, err
);
LspError::internal_error()
},
)?,
);
}
}
if settings.code_lens.implementations || settings.code_lens.references {
let navigation_tree =
self.get_navigation_tree(&specifier).await.map_err(|err| {
error!("Error getting code lenses for \"{}\": {:#}", specifier, err);
LspError::internal_error()
})?;
let line_index = asset_or_doc.line_index();
code_lenses.extend(
code_lens::collect_tsc(
&specifier,
&settings.code_lens,
line_index,
&navigation_tree,
)
.map_err(|err| {
error!(
"Error getting ts code lenses for \"{:#}\": {:#}",
&specifier, err
);
LspError::internal_error()
})?,
);
}
self.performance.measure(mark);
if code_lenses.is_empty() {
return Ok(None);
}
Ok(Some(code_lenses))
}
async fn code_lens_resolve(
&self,
code_lens: CodeLens,
) -> LspResult<CodeLens> {
let mark = self
.performance
.mark_with_args("lsp.code_lens_resolve", &code_lens);
let result = if code_lens.data.is_some() {
code_lens::resolve_code_lens(code_lens, self)
.await
.map_err(|err| {
error!("Error resolving code lens: {:#}", err);
LspError::internal_error()
})
} else {
Err(LspError::invalid_params(
"Code lens is missing the \"data\" property.",
))
};
self.performance.measure(mark);
result
}
async fn document_highlight(
&self,
params: DocumentHighlightParams,
) -> LspResult<Option<Vec<DocumentHighlight>>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position_params.text_document.uri,
LspUrlKind::File,
);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.document_highlight", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let files_to_search = vec![specifier.clone()];
let maybe_document_highlights = self
.ts_server
.get_document_highlights(
self.snapshot(),
specifier,
line_index.offset_tsc(params.text_document_position_params.position)?,
files_to_search,
asset_or_doc.scope().cloned(),
)
.await?;
if let Some(document_highlights) = maybe_document_highlights {
let result = document_highlights
.into_iter()
.flat_map(|dh| dh.to_highlight(line_index.clone()))
.collect();
self.performance.measure(mark);
Ok(Some(result))
} else {
self.performance.measure(mark);
Ok(None)
}
}
async fn references(
&self,
params: ReferenceParams,
) -> LspResult<Option<Vec<Location>>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position.text_document.uri,
LspUrlKind::File,
);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self.performance.mark_with_args("lsp.references", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let maybe_referenced_symbols = self
.ts_server
.find_references(
self.snapshot(),
specifier.clone(),
line_index.offset_tsc(params.text_document_position.position)?,
)
.await
.map_err(|err| {
lsp_warn!("Unable to find references: {err}");
LspError::internal_error()
})?;
if let Some(symbols) = maybe_referenced_symbols {
let mut results = Vec::new();
for reference in symbols.iter().flat_map(|s| &s.references) {
if !params.context.include_declaration && reference.is_definition {
continue;
}
let reference_specifier =
resolve_url(&reference.entry.document_span.file_name).unwrap();
let reference_line_index = if reference_specifier == specifier {
line_index.clone()
} else {
let asset_or_doc =
self.get_asset_or_document(&reference_specifier)?;
asset_or_doc.line_index()
};
results.push(reference.entry.to_location(reference_line_index, self));
}
self.performance.measure(mark);
Ok(Some(results))
} else {
self.performance.measure(mark);
Ok(None)
}
}
async fn goto_definition(
&self,
params: GotoDefinitionParams,
) -> LspResult<Option<GotoDefinitionResponse>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position_params.text_document.uri,
LspUrlKind::File,
);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.goto_definition", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let maybe_definition = self
.ts_server
.get_definition(
self.snapshot(),
specifier,
line_index.offset_tsc(params.text_document_position_params.position)?,
asset_or_doc.scope().cloned(),
)
.await?;
if let Some(definition) = maybe_definition {
let results = definition.to_definition(line_index, self);
self.performance.measure(mark);
Ok(results)
} else {
self.performance.measure(mark);
Ok(None)
}
}
async fn goto_type_definition(
&self,
params: GotoTypeDefinitionParams,
) -> LspResult<Option<GotoTypeDefinitionResponse>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position_params.text_document.uri,
LspUrlKind::File,
);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.goto_definition", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let maybe_definition_info = self
.ts_server
.get_type_definition(
self.snapshot(),
specifier,
line_index.offset_tsc(params.text_document_position_params.position)?,
asset_or_doc.scope().cloned(),
)
.await?;
let response = if let Some(definition_info) = maybe_definition_info {
let mut location_links = Vec::new();
for info in definition_info {
if let Some(link) = info.document_span.to_link(line_index.clone(), self)
{
location_links.push(link);
}
}
Some(GotoTypeDefinitionResponse::Link(location_links))
} else {
None
};
self.performance.measure(mark);
Ok(response)
}
async fn completion(
&self,
params: CompletionParams,
) -> LspResult<Option<CompletionResponse>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position.text_document.uri,
LspUrlKind::File,
);
let language_settings =
self.config.language_settings_for_specifier(&specifier);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
|| !language_settings.map(|s| s.suggest.enabled).unwrap_or(true)
{
return Ok(None);
}
let mark = self.performance.mark_with_args("lsp.completion", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
// Import specifiers are something wholly internal to Deno, so for
// completions, we will use internal logic and if there are completions
// for imports, we will return those and not send a message into tsc, where
// other completions come from.
let mut response = None;
if language_settings
.map(|s| s.suggest.include_completions_for_import_statements)
.unwrap_or(true)
{
let file_referrer = asset_or_doc.file_referrer().unwrap_or(&specifier);
response = completions::get_import_completions(
&specifier,
¶ms.text_document_position.position,
&self.config,
&self.client,
&self.module_registry,
&self.jsr_search_api,
&self.npm_search_api,
&self.documents,
self.resolver.as_ref(),
self
.config
.tree
.data_for_specifier(file_referrer)
// todo(dsherret): this should probably just take the resolver itself
// as the import map is an implementation detail
.and_then(|d| d.resolver.maybe_import_map()),
)
.await;
}
if response.is_none() {
let line_index = asset_or_doc.line_index();
let (trigger_character, trigger_kind) =
if let Some(context) = ¶ms.context {
(
context.trigger_character.clone(),
Some(context.trigger_kind.into()),
)
} else {
(None, None)
};
let position =
line_index.offset_tsc(params.text_document_position.position)?;
let scope = asset_or_doc.scope();
let maybe_completion_info = self
.ts_server
.get_completions(
self.snapshot(),
specifier.clone(),
position,
tsc::GetCompletionsAtPositionOptions {
user_preferences: tsc::UserPreferences::from_config_for_specifier(
&self.config,
&specifier,
),
trigger_character,
trigger_kind,
},
(&self
.config
.tree
.fmt_config_for_specifier(&specifier)
.options)
.into(),
scope.cloned(),
)
.await
.unwrap_or_else(|err| {
error!("Unable to get completion info from TypeScript: {:#}", err);
None
});
if let Some(completions) = maybe_completion_info {
response = Some(
completions.as_completion_response(
line_index,
&self
.config
.language_settings_for_specifier(&specifier)
.cloned()
.unwrap_or_default()
.suggest,
&specifier,
position,
self,
),
);
}
};
self.performance.measure(mark);
Ok(response)
}
async fn completion_resolve(
&self,
params: CompletionItem,
) -> LspResult<CompletionItem> {
let mark = self
.performance
.mark_with_args("lsp.completion_resolve", ¶ms);
let completion_item = if let Some(data) = ¶ms.data {
let data: completions::CompletionItemData =
serde_json::from_value(data.clone()).map_err(|err| {
error!("{:#}", err);
LspError::invalid_params(
"Could not decode data field of completion item.",
)
})?;
if let Some(data) = &data.tsc {
let specifier = &data.specifier;
let scope = self
.get_asset_or_document(specifier)
.ok()
.and_then(|d| d.scope().cloned());
let result = self
.ts_server
.get_completion_details(
self.snapshot(),
GetCompletionDetailsArgs {
format_code_settings: Some(
(&self.config.tree.fmt_config_for_specifier(specifier).options)
.into(),
),
preferences: Some(
tsc::UserPreferences::from_config_for_specifier(
&self.config,
specifier,
),
),
..data.into()
},
scope,
)
.await;
match result {
Ok(maybe_completion_info) => {
if let Some(completion_info) = maybe_completion_info {
completion_info
.as_completion_item(¶ms, data, specifier, self)
.map_err(|err| {
error!(
"Failed to serialize virtual_text_document response: {:#}",
err
);
LspError::internal_error()
})?
} else {
error!(
"Received an undefined response from tsc for completion details."
);
params
}
}
Err(err) => {
error!("Unable to get completion info from TypeScript: {:#}", err);
return Ok(params);
}
}
} else if let Some(url) = data.documentation {
CompletionItem {
documentation: self.module_registry.get_documentation(&url).await,
data: None,
..params
}
} else {
params
}
} else {
params
};
self.performance.measure(mark);
Ok(completion_item)
}
async fn goto_implementation(
&self,
params: GotoImplementationParams,
) -> LspResult<Option<GotoImplementationResponse>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position_params.text_document.uri,
LspUrlKind::File,
);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.goto_implementation", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let maybe_implementations = self
.ts_server
.get_implementations(
self.snapshot(),
specifier,
line_index.offset_tsc(params.text_document_position_params.position)?,
)
.await
.map_err(|err| {
lsp_warn!("{:#}", err);
LspError::internal_error()
})?;
let result = if let Some(implementations) = maybe_implementations {
let mut links = Vec::new();
for implementation in implementations {
if let Some(link) = implementation.to_link(line_index.clone(), self) {
links.push(link)
}
}
Some(GotoDefinitionResponse::Link(links))
} else {
None
};
self.performance.measure(mark);
Ok(result)
}
async fn folding_range(
&self,
params: FoldingRangeParams,
) -> LspResult<Option<Vec<FoldingRange>>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.folding_range", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let outlining_spans = self
.ts_server
.get_outlining_spans(
self.snapshot(),
specifier,
asset_or_doc.scope().cloned(),
)
.await?;
let response = if !outlining_spans.is_empty() {
Some(
outlining_spans
.iter()
.map(|span| {
span.to_folding_range(
asset_or_doc.line_index(),
asset_or_doc.text().as_bytes(),
self.config.line_folding_only_capable(),
)
})
.collect::<Vec<FoldingRange>>(),
)
} else {
None
};
self.performance.measure(mark);
Ok(response)
}
async fn incoming_calls(
&self,
params: CallHierarchyIncomingCallsParams,
) -> LspResult<Option<Vec<CallHierarchyIncomingCall>>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.item.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.incoming_calls", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let incoming_calls: Vec<tsc::CallHierarchyIncomingCall> = self
.ts_server
.provide_call_hierarchy_incoming_calls(
self.snapshot(),
specifier,
line_index.offset_tsc(params.item.selection_range.start)?,
)
.await
.map_err(|err| {
lsp_warn!("{:#}", err);
LspError::internal_error()
})?;
let maybe_root_path_owned = self
.config
.root_uri()
.and_then(|uri| url_to_file_path(uri).ok());
let mut resolved_items = Vec::<CallHierarchyIncomingCall>::new();
for item in incoming_calls.iter() {
if let Some(resolved) = item.try_resolve_call_hierarchy_incoming_call(
self,
maybe_root_path_owned.as_deref(),
) {
resolved_items.push(resolved);
}
}
self.performance.measure(mark);
Ok(Some(resolved_items))
}
async fn outgoing_calls(
&self,
params: CallHierarchyOutgoingCallsParams,
) -> LspResult<Option<Vec<CallHierarchyOutgoingCall>>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.item.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.outgoing_calls", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let outgoing_calls: Vec<tsc::CallHierarchyOutgoingCall> = self
.ts_server
.provide_call_hierarchy_outgoing_calls(
self.snapshot(),
specifier,
line_index.offset_tsc(params.item.selection_range.start)?,
asset_or_doc.scope().cloned(),
)
.await?;
let maybe_root_path_owned = self
.config
.root_uri()
.and_then(|uri| url_to_file_path(uri).ok());
let mut resolved_items = Vec::<CallHierarchyOutgoingCall>::new();
for item in outgoing_calls.iter() {
if let Some(resolved) = item.try_resolve_call_hierarchy_outgoing_call(
line_index.clone(),
self,
maybe_root_path_owned.as_deref(),
) {
resolved_items.push(resolved);
}
}
self.performance.measure(mark);
Ok(Some(resolved_items))
}
async fn prepare_call_hierarchy(
&self,
params: CallHierarchyPrepareParams,
) -> LspResult<Option<Vec<CallHierarchyItem>>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position_params.text_document.uri,
LspUrlKind::File,
);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.prepare_call_hierarchy", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let maybe_one_or_many = self
.ts_server
.prepare_call_hierarchy(
self.snapshot(),
specifier,
line_index.offset_tsc(params.text_document_position_params.position)?,
asset_or_doc.scope().cloned(),
)
.await?;
let response = if let Some(one_or_many) = maybe_one_or_many {
let maybe_root_path_owned = self
.config
.root_uri()
.and_then(|uri| url_to_file_path(uri).ok());
let mut resolved_items = Vec::<CallHierarchyItem>::new();
match one_or_many {
tsc::OneOrMany::One(item) => {
if let Some(resolved) = item.try_resolve_call_hierarchy_item(
self,
maybe_root_path_owned.as_deref(),
) {
resolved_items.push(resolved)
}
}
tsc::OneOrMany::Many(items) => {
for item in items.iter() {
if let Some(resolved) = item.try_resolve_call_hierarchy_item(
self,
maybe_root_path_owned.as_deref(),
) {
resolved_items.push(resolved);
}
}
}
}
Some(resolved_items)
} else {
None
};
self.performance.measure(mark);
Ok(response)
}
async fn rename(
&self,
params: RenameParams,
) -> LspResult<Option<WorkspaceEdit>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position.text_document.uri,
LspUrlKind::File,
);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self.performance.mark_with_args("lsp.rename", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let maybe_locations = self
.ts_server
.find_rename_locations(
self.snapshot(),
specifier,
line_index.offset_tsc(params.text_document_position.position)?,
)
.await
.map_err(|err| {
lsp_warn!("{:#}", err);
LspError::internal_error()
})?;
if let Some(locations) = maybe_locations {
let rename_locations = tsc::RenameLocations { locations };
let workspace_edits = rename_locations
.into_workspace_edit(¶ms.new_name, self)
.map_err(|err| {
error!("Failed to get workspace edits: {:#}", err);
LspError::internal_error()
})?;
self.performance.measure(mark);
Ok(Some(workspace_edits))
} else {
self.performance.measure(mark);
Ok(None)
}
}
async fn selection_range(
&self,
params: SelectionRangeParams,
) -> LspResult<Option<Vec<SelectionRange>>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.selection_range", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let mut selection_ranges = Vec::<SelectionRange>::new();
for position in params.positions {
let selection_range: tsc::SelectionRange = self
.ts_server
.get_smart_selection_range(
self.snapshot(),
specifier.clone(),
line_index.offset_tsc(position)?,
asset_or_doc.scope().cloned(),
)
.await?;
selection_ranges
.push(selection_range.to_selection_range(line_index.clone()));
}
self.performance.measure(mark);
Ok(Some(selection_ranges))
}
async fn semantic_tokens_full(
&self,
params: SemanticTokensParams,
) -> LspResult<Option<SemanticTokensResult>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier) {
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.semantic_tokens_full", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
if let Some(tokens) = asset_or_doc.maybe_semantic_tokens() {
let response = if !tokens.data.is_empty() {
Some(SemanticTokensResult::Tokens(tokens.clone()))
} else {
None
};
self.performance.measure(mark);
return Ok(response);
}
let line_index = asset_or_doc.line_index();
let semantic_classification = self
.ts_server
.get_encoded_semantic_classifications(
self.snapshot(),
specifier,
0..line_index.text_content_length_utf16().into(),
asset_or_doc.scope().cloned(),
)
.await?;
let semantic_tokens =
semantic_classification.to_semantic_tokens(line_index)?;
if let Some(doc) = asset_or_doc.document() {
doc.cache_semantic_tokens_full(semantic_tokens.clone());
}
let response = if !semantic_tokens.data.is_empty() {
Some(SemanticTokensResult::Tokens(semantic_tokens))
} else {
None
};
self.performance.measure(mark);
Ok(response)
}
async fn semantic_tokens_range(
&self,
params: SemanticTokensRangeParams,
) -> LspResult<Option<SemanticTokensRangeResult>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier) {
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.semantic_tokens_range", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
if let Some(tokens) = asset_or_doc.maybe_semantic_tokens() {
let tokens =
super::semantic_tokens::tokens_within_range(&tokens, params.range);
let response = if !tokens.data.is_empty() {
Some(SemanticTokensRangeResult::Tokens(tokens))
} else {
None
};
self.performance.measure(mark);
return Ok(response);
}
let line_index = asset_or_doc.line_index();
let semantic_classification = self
.ts_server
.get_encoded_semantic_classifications(
self.snapshot(),
specifier,
line_index.offset_tsc(params.range.start)?
..line_index.offset_tsc(params.range.end)?,
asset_or_doc.scope().cloned(),
)
.await?;
let semantic_tokens =
semantic_classification.to_semantic_tokens(line_index)?;
let response = if !semantic_tokens.data.is_empty() {
Some(SemanticTokensRangeResult::Tokens(semantic_tokens))
} else {
None
};
self.performance.measure(mark);
Ok(response)
}
async fn signature_help(
&self,
params: SignatureHelpParams,
) -> LspResult<Option<SignatureHelp>> {
let specifier = self.url_map.uri_to_specifier(
¶ms.text_document_position_params.text_document.uri,
LspUrlKind::File,
);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
{
return Ok(None);
}
let mark = self
.performance
.mark_with_args("lsp.signature_help", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let options = if let Some(context) = params.context {
tsc::SignatureHelpItemsOptions {
trigger_reason: Some(tsc::SignatureHelpTriggerReason {
kind: context.trigger_kind.into(),
trigger_character: context.trigger_character,
}),
}
} else {
tsc::SignatureHelpItemsOptions {
trigger_reason: None,
}
};
let maybe_signature_help_items: Option<tsc::SignatureHelpItems> = self
.ts_server
.get_signature_help_items(
self.snapshot(),
specifier,
line_index.offset_tsc(params.text_document_position_params.position)?,
options,
asset_or_doc.scope().cloned(),
)
.await?;
if let Some(signature_help_items) = maybe_signature_help_items {
let signature_help = signature_help_items.into_signature_help(self);
self.performance.measure(mark);
Ok(Some(signature_help))
} else {
self.performance.measure(mark);
Ok(None)
}
}
async fn will_rename_files(
&self,
params: RenameFilesParams,
) -> LspResult<Option<WorkspaceEdit>> {
let mut changes = vec![];
for rename in params.files {
let old_specifier = self.url_map.uri_to_specifier(
&Uri::from_str(&rename.old_uri).unwrap(),
LspUrlKind::File,
);
let options = self
.config
.language_settings_for_specifier(&old_specifier)
.map(|s| s.update_imports_on_file_move.clone())
.unwrap_or_default();
// Note that `Always` and `Prompt` are treated the same in the server, the
// client will worry about that after receiving the edits.
if options.enabled == UpdateImportsOnFileMoveEnabled::Never {
continue;
}
let format_code_settings = (&self
.config
.tree
.fmt_config_for_specifier(&old_specifier)
.options)
.into();
changes.extend(
self
.ts_server
.get_edits_for_file_rename(
self.snapshot(),
old_specifier,
self.url_map.uri_to_specifier(
&Uri::from_str(&rename.new_uri).unwrap(),
LspUrlKind::File,
),
format_code_settings,
tsc::UserPreferences {
allow_text_changes_in_new_files: Some(true),
..Default::default()
},
)
.await
.map_err(|err| {
lsp_warn!("{:#}", err);
LspError::internal_error()
})?,
);
}
file_text_changes_to_workspace_edit(&changes, self)
}
async fn symbol(
&self,
params: WorkspaceSymbolParams,
) -> LspResult<Option<Vec<SymbolInformation>>> {
let mark = self.performance.mark_with_args("lsp.symbol", ¶ms);
let navigate_to_items = self
.ts_server
.get_navigate_to_items(
self.snapshot(),
tsc::GetNavigateToItemsArgs {
search: params.query,
// this matches vscode's hard coded result count
max_result_count: Some(256),
file: None,
},
)
.await
.map_err(|err| {
error!("{:#}", err);
LspError::invalid_request()
})?;
let maybe_symbol_information = if navigate_to_items.is_empty() {
None
} else {
let mut symbol_information = Vec::new();
for item in navigate_to_items {
if let Some(info) = item.to_symbol_information(self) {
symbol_information.push(info);
}
}
Some(symbol_information)
};
self.performance.measure(mark);
Ok(maybe_symbol_information)
}
fn project_changed<'a>(
&mut self,
modified_scripts: impl IntoIterator<Item = (&'a ModuleSpecifier, ChangeKind)>,
config_changed: bool,
) {
self.project_version += 1; // increment before getting the snapshot
self.ts_server.project_changed(
self.snapshot(),
modified_scripts,
config_changed.then(|| {
self
.config
.tree
.data_by_scope()
.iter()
.map(|(s, d)| (s.clone(), d.ts_config.clone()))
.collect()
}),
);
}
fn send_diagnostics_update(&self) {
let snapshot = DiagnosticServerUpdateMessage {
snapshot: self.snapshot(),
url_map: self.url_map.clone(),
};
if let Err(err) = self.diagnostics_server.update(snapshot) {
error!("Cannot update diagnostics: {:#}", err);
}
}
/// Send a message to the testing server to look for any changes in tests and
/// update the client.
fn send_testing_update(&self) {
if let Some(testing_server) = &self.maybe_testing_server {
if let Err(err) = testing_server.update(self.snapshot()) {
error!("Cannot update testing server: {:#}", err);
}
}
}
}
#[tower_lsp::async_trait]
impl tower_lsp::LanguageServer for LanguageServer {
async fn execute_command(
&self,
params: ExecuteCommandParams,
) -> LspResult<Option<Value>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
if params.command == "deno.cache" {
#[derive(Default, Deserialize)]
#[serde(rename_all = "camelCase")]
struct Options {
#[serde(default)]
force_global_cache: bool,
}
#[derive(Deserialize)]
struct Arguments(Vec<Url>, Url, #[serde(default)] Options);
let Arguments(specifiers, referrer, options) =
serde_json::from_value(json!(params.arguments))
.map_err(|err| LspError::invalid_params(err.to_string()))?;
self
.cache(specifiers, referrer, options.force_global_cache)
.await
} else if params.command == "deno.reloadImportRegistries" {
self.inner.write().await.reload_import_registries().await
} else {
Ok(None)
}
}
async fn initialize(
&self,
params: InitializeParams,
) -> LspResult<InitializeResult> {
self.inner.write().await.initialize(params).await
}
async fn initialized(&self, _: InitializedParams) {
self.refresh_configuration().await;
let (registrations, http_client) = {
let mut inner = self.inner.write().await;
let registrations = inner.initialized().await;
inner.task_queue.start(self.clone());
(registrations, inner.http_client_provider.clone())
};
self.init_flag.raise();
for registration in registrations {
if let Err(err) = self
.client
.when_outside_lsp_lock()
.register_capability(vec![registration])
.await
{
lsp_warn!("Client errored on capabilities.\n{:#}", err);
}
}
if upgrade_check_enabled() {
let client = self.client.clone();
// spawn to avoid lsp send/sync requirement, but also just
// to ensure this initialized method returns quickly
spawn(async move {
match check_for_upgrades_for_lsp(http_client).await {
Ok(version_info) => {
client.send_did_upgrade_check_notification(
lsp_custom::DidUpgradeCheckNotificationParams {
upgrade_available: version_info.map(|info| {
lsp_custom::UpgradeAvailable {
latest_version: info.latest_version,
is_canary: info.is_canary,
}
}),
},
);
}
Err(err) => lsp_warn!("Failed to check for upgrades: {err}"),
}
});
}
lsp_log!("Server ready.");
}
async fn shutdown(&self) -> LspResult<()> {
self.shutdown_flag.raise();
Ok(())
}
async fn did_open(&self, params: DidOpenTextDocumentParams) {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.write().await.did_open(params).await;
}
async fn did_change(&self, params: DidChangeTextDocumentParams) {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.write().await.did_change(params).await
}
async fn did_save(&self, params: DidSaveTextDocumentParams) {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.write().await.did_save(params);
}
async fn did_close(&self, params: DidCloseTextDocumentParams) {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.write().await.did_close(params).await
}
async fn did_change_configuration(
&self,
params: DidChangeConfigurationParams,
) {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
let mark = self
.performance
.mark_with_args("lsp.did_change_configuration", ¶ms);
self.refresh_configuration().await;
self
.inner
.write()
.await
.did_change_configuration(params)
.await;
self.performance.measure(mark);
}
async fn did_change_watched_files(
&self,
params: DidChangeWatchedFilesParams,
) {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self
.inner
.write()
.await
.did_change_watched_files(params)
.await
}
async fn did_change_workspace_folders(
&self,
params: DidChangeWorkspaceFoldersParams,
) {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
let mark = self
.performance
.mark_with_args("lsp.did_change_workspace_folders", ¶ms);
self
.inner
.write()
.await
.pre_did_change_workspace_folders(params);
self.refresh_configuration().await;
self
.inner
.write()
.await
.post_did_change_workspace_folders()
.await;
self.performance.measure(mark);
}
async fn document_symbol(
&self,
params: DocumentSymbolParams,
) -> LspResult<Option<DocumentSymbolResponse>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.document_symbol(params).await
}
async fn formatting(
&self,
params: DocumentFormattingParams,
) -> LspResult<Option<Vec<TextEdit>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.formatting(params).await
}
async fn hover(&self, params: HoverParams) -> LspResult<Option<Hover>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.hover(params).await
}
async fn inlay_hint(
&self,
params: InlayHintParams,
) -> LspResult<Option<Vec<InlayHint>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.inlay_hint(params).await
}
async fn code_action(
&self,
params: CodeActionParams,
) -> LspResult<Option<CodeActionResponse>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.code_action(params).await
}
async fn code_action_resolve(
&self,
params: CodeAction,
) -> LspResult<CodeAction> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.code_action_resolve(params).await
}
async fn code_lens(
&self,
params: CodeLensParams,
) -> LspResult<Option<Vec<CodeLens>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.code_lens(params).await
}
async fn code_lens_resolve(&self, params: CodeLens) -> LspResult<CodeLens> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.code_lens_resolve(params).await
}
async fn document_highlight(
&self,
params: DocumentHighlightParams,
) -> LspResult<Option<Vec<DocumentHighlight>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.document_highlight(params).await
}
async fn references(
&self,
params: ReferenceParams,
) -> LspResult<Option<Vec<Location>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.references(params).await
}
async fn goto_definition(
&self,
params: GotoDefinitionParams,
) -> LspResult<Option<GotoDefinitionResponse>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.goto_definition(params).await
}
async fn goto_type_definition(
&self,
params: GotoTypeDefinitionParams,
) -> LspResult<Option<GotoTypeDefinitionResponse>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.goto_type_definition(params).await
}
async fn completion(
&self,
params: CompletionParams,
) -> LspResult<Option<CompletionResponse>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.completion(params).await
}
async fn completion_resolve(
&self,
params: CompletionItem,
) -> LspResult<CompletionItem> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.completion_resolve(params).await
}
async fn goto_implementation(
&self,
params: GotoImplementationParams,
) -> LspResult<Option<GotoImplementationResponse>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.goto_implementation(params).await
}
async fn folding_range(
&self,
params: FoldingRangeParams,
) -> LspResult<Option<Vec<FoldingRange>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.folding_range(params).await
}
async fn incoming_calls(
&self,
params: CallHierarchyIncomingCallsParams,
) -> LspResult<Option<Vec<CallHierarchyIncomingCall>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.incoming_calls(params).await
}
async fn outgoing_calls(
&self,
params: CallHierarchyOutgoingCallsParams,
) -> LspResult<Option<Vec<CallHierarchyOutgoingCall>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.outgoing_calls(params).await
}
async fn prepare_call_hierarchy(
&self,
params: CallHierarchyPrepareParams,
) -> LspResult<Option<Vec<CallHierarchyItem>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.prepare_call_hierarchy(params).await
}
async fn rename(
&self,
params: RenameParams,
) -> LspResult<Option<WorkspaceEdit>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.rename(params).await
}
async fn selection_range(
&self,
params: SelectionRangeParams,
) -> LspResult<Option<Vec<SelectionRange>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.selection_range(params).await
}
async fn semantic_tokens_full(
&self,
params: SemanticTokensParams,
) -> LspResult<Option<SemanticTokensResult>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.semantic_tokens_full(params).await
}
async fn semantic_tokens_range(
&self,
params: SemanticTokensRangeParams,
) -> LspResult<Option<SemanticTokensRangeResult>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.semantic_tokens_range(params).await
}
async fn signature_help(
&self,
params: SignatureHelpParams,
) -> LspResult<Option<SignatureHelp>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.signature_help(params).await
}
async fn will_rename_files(
&self,
params: RenameFilesParams,
) -> LspResult<Option<WorkspaceEdit>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.will_rename_files(params).await
}
async fn symbol(
&self,
params: WorkspaceSymbolParams,
) -> LspResult<Option<Vec<SymbolInformation>>> {
if !self.init_flag.is_raised() {
self.init_flag.wait_raised().await;
}
self.inner.read().await.symbol(params).await
}
}
struct PrepareCacheResult {
cli_options: CliOptions,
roots: Vec<ModuleSpecifier>,
open_docs: Vec<Arc<Document>>,
}
// These are implementations of custom commands supported by the LSP
impl Inner {
async fn initialized(&mut self) -> Vec<Registration> {
let mut registrations = Vec::with_capacity(2);
init_log_file(self.config.log_file());
self.update_debug_flag();
self.update_global_cache().await;
self.refresh_workspace_files();
self.refresh_config_tree().await;
self.update_cache();
self.refresh_resolver().await;
self.refresh_documents_config().await;
if self.config.did_change_watched_files_capable() {
// we are going to watch all the JSON files in the workspace, and the
// notification handler will pick up any of the changes of those files we
// are interested in.
let options = DidChangeWatchedFilesRegistrationOptions {
watchers: vec![FileSystemWatcher {
glob_pattern: GlobPattern::String(
"**/*.{json,jsonc,lock}".to_string(),
),
kind: None,
}],
};
registrations.push(Registration {
id: "workspace/didChangeWatchedFiles".to_string(),
method: "workspace/didChangeWatchedFiles".to_string(),
register_options: Some(serde_json::to_value(options).unwrap()),
});
}
if self.config.will_rename_files_capable() {
let options = FileOperationRegistrationOptions {
filters: vec![FileOperationFilter {
scheme: Some("file".to_string()),
pattern: FileOperationPattern {
glob: "**/*".to_string(),
matches: None,
options: None,
},
}],
};
registrations.push(Registration {
id: "workspace/willRenameFiles".to_string(),
method: "workspace/willRenameFiles".to_string(),
register_options: Some(serde_json::to_value(options).unwrap()),
});
}
if self.config.testing_api_capable() {
let test_server = testing::TestServer::new(
self.client.clone(),
self.performance.clone(),
self.config.root_uri().cloned(),
);
self.maybe_testing_server = Some(test_server);
}
let mut config_events = vec![];
for (scope_url, config_data) in self.config.tree.data_by_scope().iter() {
let Ok(scope_uri) = url_to_uri(scope_url) else {
continue;
};
if let Some(config_file) = config_data.maybe_deno_json() {
if let Ok(file_uri) = url_to_uri(&config_file.specifier) {
config_events.push(lsp_custom::DenoConfigurationChangeEvent {
scope_uri: scope_uri.clone(),
file_uri,
typ: lsp_custom::DenoConfigurationChangeType::Added,
configuration_type: lsp_custom::DenoConfigurationType::DenoJson,
});
}
}
if let Some(package_json) = config_data.maybe_pkg_json() {
if let Ok(file_uri) = url_to_uri(&package_json.specifier()) {
config_events.push(lsp_custom::DenoConfigurationChangeEvent {
scope_uri,
file_uri,
typ: lsp_custom::DenoConfigurationChangeType::Added,
configuration_type: lsp_custom::DenoConfigurationType::PackageJson,
});
}
}
}
if !config_events.is_empty() {
self.client.send_did_change_deno_configuration_notification(
lsp_custom::DidChangeDenoConfigurationNotificationParams {
changes: config_events,
},
);
}
registrations
}
fn prepare_cache(
&mut self,
specifiers: Vec<ModuleSpecifier>,
referrer: ModuleSpecifier,
force_global_cache: bool,
) -> Result<PrepareCacheResult, AnyError> {
let config_data = self.config.tree.data_for_specifier(&referrer);
let byonm = config_data.map(|d| d.byonm).unwrap_or(false);
let mut roots = if !specifiers.is_empty() {
specifiers
} else {
vec![referrer.clone()]
};
if byonm {
roots.retain(|s| s.scheme() != "npm");
} else if let Some(dep_info) = self
.documents
.dep_info_by_scope()
.get(&config_data.map(|d| d.scope.as_ref().clone()))
{
// always include the npm packages since resolution of one npm package
// might affect the resolution of other npm packages
roots.extend(
dep_info
.npm_reqs
.iter()
.map(|req| ModuleSpecifier::parse(&format!("npm:{}", req)).unwrap()),
);
}
let workspace_settings = self.config.workspace_settings();
let initial_cwd = config_data
.and_then(|d| d.scope.to_file_path().ok())
.unwrap_or_else(|| self.initial_cwd.clone());
let workspace = match config_data {
Some(d) => d.member_dir.clone(),
None => Arc::new(WorkspaceDirectory::discover(
&CliSys::default(),
deno_config::workspace::WorkspaceDiscoverStart::Paths(&[
initial_cwd.clone()
]),
&WorkspaceDiscoverOptions {
deno_json_cache: None,
pkg_json_cache: None,
workspace_cache: None,
additional_config_file_names: &[],
discover_pkg_json: !has_flag_env_var("DENO_NO_PACKAGE_JSON"),
maybe_vendor_override: if force_global_cache {
Some(deno_config::workspace::VendorEnablement::Disable)
} else {
None
},
},
)?),
};
let cli_options = CliOptions::new(
&CliSys::default(),
Arc::new(Flags {
internal: InternalFlags {
cache_path: Some(self.cache.deno_dir().root.clone()),
..Default::default()
},
ca_stores: workspace_settings.certificate_stores.clone(),
ca_data: workspace_settings.tls_certificate.clone().map(CaData::File),
unsafely_ignore_certificate_errors: workspace_settings
.unsafely_ignore_certificate_errors
.clone(),
import_map_path: config_data.and_then(|d| {
d.import_map_from_settings
.as_ref()
.map(|url| url.to_string())
}),
// bit of a hack to force the lsp to cache the @types/node package
type_check_mode: crate::args::TypeCheckMode::Local,
permissions: crate::args::PermissionFlags {
// allow remote import permissions in the lsp for now
allow_import: Some(vec![]),
..Default::default()
},
..Default::default()
}),
initial_cwd,
config_data.and_then(|d| d.lockfile.clone()),
config_data
.and_then(|d| d.npmrc.clone())
.unwrap_or_else(create_default_npmrc),
workspace,
force_global_cache,
None,
)?;
let open_docs = self.documents.documents(DocumentsFilter::OpenDiagnosable);
Ok(PrepareCacheResult {
cli_options,
open_docs,
roots,
})
}
async fn post_cache(&mut self) {
self.resolver.did_cache();
self.refresh_dep_info().await;
self.diagnostics_server.invalidate_all();
self.project_changed([], true);
self.ts_server.cleanup_semantic_cache(self.snapshot()).await;
self.send_diagnostics_update();
self.send_testing_update();
}
fn pre_did_change_workspace_folders(
&mut self,
params: DidChangeWorkspaceFoldersParams,
) {
let mut workspace_folders = params
.event
.added
.into_iter()
.map(|folder| {
(
self
.url_map
.uri_to_specifier(&folder.uri, LspUrlKind::Folder),
folder,
)
})
.collect::<Vec<(ModuleSpecifier, WorkspaceFolder)>>();
for (specifier, folder) in self.config.workspace_folders.as_ref() {
if !params.event.removed.is_empty()
&& params.event.removed.iter().any(|f| f.uri == folder.uri)
{
continue;
}
workspace_folders.push((specifier.clone(), folder.clone()));
}
self.config.set_workspace_folders(workspace_folders);
}
async fn post_did_change_workspace_folders(&mut self) {
self.refresh_workspace_files();
self.refresh_config_tree().await;
self.refresh_resolver().await;
self.refresh_documents_config().await;
self.diagnostics_server.invalidate_all();
self.send_diagnostics_update();
self.send_testing_update();
}
fn get_performance(&self) -> Value {
let averages = self.performance.averages();
json!({ "averages": averages })
}
async fn test_run_request(
&self,
params: Option<Value>,
) -> LspResult<Option<Value>> {
if let Some(testing_server) = &self.maybe_testing_server {
match params.map(serde_json::from_value) {
Some(Ok(params)) => {
testing_server
.run_request(params, self.config.workspace_settings().clone())
.await
}
Some(Err(err)) => Err(LspError::invalid_params(err.to_string())),
None => Err(LspError::invalid_params("Missing parameters")),
}
} else {
Err(LspError::invalid_request())
}
}
fn test_run_cancel_request(
&self,
params: Option<Value>,
) -> LspResult<Option<Value>> {
if let Some(testing_server) = &self.maybe_testing_server {
match params.map(serde_json::from_value) {
Some(Ok(params)) => testing_server.run_cancel_request(params),
Some(Err(err)) => Err(LspError::invalid_params(err.to_string())),
None => Err(LspError::invalid_params("Missing parameters")),
}
} else {
Err(LspError::invalid_request())
}
}
fn task_definitions(&self) -> LspResult<Vec<TaskDefinition>> {
let mut result = vec![];
for config_file in self.config.tree.config_files() {
if let Some(tasks) = config_file.to_tasks_config().ok().flatten() {
for (name, def) in tasks {
result.push(TaskDefinition {
name: name.clone(),
command: def.command.clone(),
source_uri: url_to_uri(&config_file.specifier)
.map_err(|_| LspError::internal_error())?,
});
}
};
}
for package_json in self.config.tree.package_jsons() {
if let Some(scripts) = &package_json.scripts {
for (name, command) in scripts {
result.push(TaskDefinition {
name: name.clone(),
command: Some(command.clone()),
source_uri: url_to_uri(&package_json.specifier())
.map_err(|_| LspError::internal_error())?,
});
}
}
}
result.sort_by_key(|d| d.name.clone());
Ok(result)
}
async fn inlay_hint(
&self,
params: InlayHintParams,
) -> LspResult<Option<Vec<InlayHint>>> {
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
if !self.is_diagnosable(&specifier)
|| !self.config.specifier_enabled(&specifier)
|| !self.config.enabled_inlay_hints_for_specifier(&specifier)
{
return Ok(None);
}
let mark = self.performance.mark_with_args("lsp.inlay_hint", ¶ms);
let asset_or_doc = self.get_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let text_span =
tsc::TextSpan::from_range(¶ms.range, line_index.clone()).map_err(
|err| {
error!("Failed to convert range to text_span: {:#}", err);
LspError::internal_error()
},
)?;
let maybe_inlay_hints = self
.ts_server
.provide_inlay_hints(
self.snapshot(),
specifier.clone(),
text_span,
tsc::UserPreferences::from_config_for_specifier(
&self.config,
&specifier,
),
asset_or_doc.scope().cloned(),
)
.await?;
let maybe_inlay_hints = maybe_inlay_hints.map(|hints| {
hints
.iter()
.map(|hint| hint.to_lsp(line_index.clone(), self))
.collect()
});
self.performance.measure(mark);
Ok(maybe_inlay_hints)
}
async fn reload_import_registries(&mut self) -> LspResult<Option<Value>> {
remove_dir_all_if_exists(&self.module_registry.location)
.await
.map_err(|err| {
error!("Unable to remove registries cache: {:#}", err);
LspError::internal_error()
})?;
self.module_registry.clear_cache();
self.jsr_search_api.clear_cache();
self.npm_search_api.clear_cache();
Ok(Some(json!(true)))
}
fn virtual_text_document(
&self,
params: lsp_custom::VirtualTextDocumentParams,
) -> LspResult<Option<String>> {
let mark = self
.performance
.mark_with_args("lsp.virtual_text_document", ¶ms);
let specifier = self
.url_map
.uri_to_specifier(¶ms.text_document.uri, LspUrlKind::File);
let contents = if specifier.scheme() == "deno"
&& specifier.path() == "/status.md"
{
let mut contents = String::new();
let mut documents_specifiers = self
.documents
.documents(DocumentsFilter::All)
.into_iter()
.map(|d| d.specifier().clone())
.collect::<Vec<_>>();
documents_specifiers.sort();
let measures = self.performance.to_vec();
let workspace_settings = self.config.workspace_settings();
write!(
contents,
r#"# Deno Language Server Status
## Workspace Settings
```json
{}
```
## Workspace Details
- <details><summary>Documents in memory: {}</summary>
- {}
</details>
- <details><summary>Performance measures: {}</summary>
- {}
</details>
"#,
serde_json::to_string_pretty(&workspace_settings)
.inspect_err(|e| {
dbg!(e);
})
.unwrap(),
documents_specifiers.len(),
documents_specifiers
.into_iter()
.map(|s| s.to_string())
.collect::<Vec<String>>()
.join("\n - "),
measures.len(),
measures
.iter()
.map(|m| m.to_string())
.collect::<Vec<String>>()
.join("\n - ")
)
.unwrap();
contents
.push_str("\n## Performance (last 3 000 entries)\n\n|Name|Count|Duration|\n|---|---|---|\n");
let mut averages = self.performance.averages_as_f64();
averages.sort_by(|a, b| a.0.cmp(&b.0));
for (name, count, average_duration) in averages {
writeln!(contents, "|{}|{}|{}ms|", name, count, average_duration)
.unwrap();
}
contents.push_str(
"\n## Performance (total)\n\n|Name|Count|Duration|\n|---|---|---|\n",
);
let mut measurements_by_type = self.performance.measurements_by_type();
measurements_by_type.sort_by(|a, b| a.0.cmp(&b.0));
for (name, total_count, total_duration) in measurements_by_type {
writeln!(
contents,
"|{}|{}|{:.3}ms|",
name, total_count, total_duration
)
.unwrap();
}
Some(contents)
} else {
let asset_or_doc = self.get_maybe_asset_or_document(&specifier);
if let Some(asset_or_doc) = asset_or_doc {
Some(asset_or_doc.text().to_string())
} else {
error!("The source was not found: {}", specifier);
None
}
};
self.performance.measure(mark);
Ok(contents)
}
}
#[cfg(test)]
mod tests {
use pretty_assertions::assert_eq;
use test_util::TempDir;
use super::*;
#[test]
fn test_walk_workspace() {
let temp_dir = TempDir::new();
temp_dir.create_dir_all("root1/vendor/");
temp_dir.create_dir_all("root1/coverage/");
temp_dir.write("root1/vendor/mod.ts", ""); // no, vendor
temp_dir.write("root1/coverage/mod.ts", ""); // no, coverage
temp_dir.create_dir_all("root1/node_modules/");
temp_dir.write("root1/node_modules/mod.ts", ""); // no, node_modules
temp_dir.create_dir_all("root1/folder");
temp_dir.create_dir_all("root1/target");
temp_dir.create_dir_all("root1/node_modules");
temp_dir.create_dir_all("root1/.git");
temp_dir.create_dir_all("root1/file.ts"); // no, directory
temp_dir.write("root1/mod0.ts", ""); // yes
temp_dir.write("root1/mod1.js", ""); // yes
temp_dir.write("root1/mod2.tsx", ""); // yes
temp_dir.write("root1/mod3.d.ts", ""); // yes
temp_dir.write("root1/mod4.jsx", ""); // yes
temp_dir.write("root1/mod5.mjs", ""); // yes
temp_dir.write("root1/mod6.mts", ""); // yes
temp_dir.write("root1/mod7.d.mts", ""); // yes
temp_dir.write("root1/mod8.json", ""); // yes
temp_dir.write("root1/mod9.jsonc", ""); // yes
temp_dir.write("root1/other.txt", ""); // no, text file
temp_dir.write("root1/other.wasm", ""); // no, don't load wasm
temp_dir.write("root1/Cargo.toml", ""); // no
temp_dir.write("root1/folder/mod.ts", ""); // yes
temp_dir.write("root1/folder/data.min.ts", ""); // no, minified file
temp_dir.write("root1/.git/main.ts", ""); // no, .git folder
temp_dir.write("root1/node_modules/main.ts", ""); // no, because it's in a node_modules folder
temp_dir.write("root1/target/main.ts", ""); // no, because there is a Cargo.toml in the root directory
temp_dir.create_dir_all("root2/folder");
temp_dir.create_dir_all("root2/folder2/inner_folder");
temp_dir.create_dir_all("root2/sub_folder");
temp_dir.create_dir_all("root2/root2.1");
temp_dir.write("root2/file1.ts", ""); // yes, enabled
temp_dir.write("root2/file2.ts", ""); // no, not enabled
temp_dir.write("root2/folder/main.ts", ""); // yes, enabled
temp_dir.write("root2/folder/other.ts", ""); // no, disabled
temp_dir.write("root2/folder2/inner_folder/main.ts", ""); // yes, enabled (regression test for https://github.com/denoland/vscode_deno/issues/1239)
temp_dir.write("root2/sub_folder/a.js", ""); // no, not enabled
temp_dir.write("root2/sub_folder/b.ts", ""); // no, not enabled
temp_dir.write("root2/sub_folder/c.js", ""); // no, not enabled
temp_dir.write("root2/root2.1/main.ts", ""); // yes, enabled as separate root
temp_dir.create_dir_all("root3/");
temp_dir.write("root3/mod.ts", ""); // no, not enabled
temp_dir.create_dir_all("root4_parent/root4");
temp_dir.write("root4_parent/deno.json", ""); // yes, enabled as deno.json above root
temp_dir.write("root4_parent/root4/main.ts", ""); // yes, enabled
let mut config = Config::new_with_roots(vec![
temp_dir.url().join("root1/").unwrap(),
temp_dir.url().join("root2/").unwrap(),
temp_dir.url().join("root2/root2.1/").unwrap(),
temp_dir.url().join("root3/").unwrap(),
temp_dir.url().join("root4_parent/root4/").unwrap(),
]);
config.set_client_capabilities(ClientCapabilities {
workspace: Some(Default::default()),
..Default::default()
});
config.set_workspace_settings(
Default::default(),
vec![
(
temp_dir.url().join("root1/").unwrap(),
WorkspaceSettings {
enable: Some(true),
..Default::default()
},
),
(
temp_dir.url().join("root2/").unwrap(),
WorkspaceSettings {
enable: Some(true),
enable_paths: Some(vec![
"file1.ts".to_string(),
"folder".to_string(),
"folder2/inner_folder".to_string(),
]),
disable_paths: vec!["folder/other.ts".to_string()],
..Default::default()
},
),
(
temp_dir.url().join("root2/root2.1/").unwrap(),
WorkspaceSettings {
enable: Some(true),
..Default::default()
},
),
(
temp_dir.url().join("root3/").unwrap(),
WorkspaceSettings {
enable: Some(false),
..Default::default()
},
),
(
temp_dir.url().join("root4_parent/root4/").unwrap(),
WorkspaceSettings {
enable: Some(true),
..Default::default()
},
),
],
);
let (workspace_files, hit_limit) = Inner::walk_workspace(&config);
assert!(!hit_limit);
assert_eq!(
json!(workspace_files),
json!([
temp_dir.url().join("root4_parent/deno.json").unwrap(),
temp_dir.url().join("root1/mod0.ts").unwrap(),
temp_dir.url().join("root1/mod1.js").unwrap(),
temp_dir.url().join("root1/mod2.tsx").unwrap(),
temp_dir.url().join("root1/mod3.d.ts").unwrap(),
temp_dir.url().join("root1/mod4.jsx").unwrap(),
temp_dir.url().join("root1/mod5.mjs").unwrap(),
temp_dir.url().join("root1/mod6.mts").unwrap(),
temp_dir.url().join("root1/mod7.d.mts").unwrap(),
temp_dir.url().join("root1/mod8.json").unwrap(),
temp_dir.url().join("root1/mod9.jsonc").unwrap(),
temp_dir.url().join("root2/file1.ts").unwrap(),
temp_dir.url().join("root4_parent/root4/main.ts").unwrap(),
temp_dir.url().join("root1/folder/mod.ts").unwrap(),
temp_dir.url().join("root2/folder/main.ts").unwrap(),
temp_dir.url().join("root2/root2.1/main.ts").unwrap(),
temp_dir
.url()
.join("root2/folder2/inner_folder/main.ts")
.unwrap(),
])
);
}
}