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diagnostics.rs
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diagnostics.rs
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use super::analysis;
use super::client::Client;
use super::config::Config;
use super::documents;
use super::documents::Document;
use super::documents::Documents;
use super::documents::DocumentsFilter;
use super::language_server;
use super::language_server::StateSnapshot;
use super::performance::Performance;
use super::tsc;
use super::tsc::TsServer;
use super::urls::LspClientUrl;
use super::urls::LspUrlMap;
use crate::args::LintOptions;
use crate::graph_util;
use crate::graph_util::enhanced_resolution_error_message;
use crate::lsp::lsp_custom::DiagnosticBatchNotificationParams;
use crate::resolver::SloppyImportsResolution;
use crate::resolver::SloppyImportsResolver;
use crate::util::path::to_percent_decoded_str;
use deno_ast::MediaType;
use deno_core::anyhow::anyhow;
use deno_core::error::AnyError;
use deno_core::parking_lot::RwLock;
use deno_core::resolve_url;
use deno_core::serde::Deserialize;
use deno_core::serde_json;
use deno_core::serde_json::json;
use deno_core::unsync::spawn;
use deno_core::unsync::spawn_blocking;
use deno_core::unsync::JoinHandle;
use deno_core::ModuleSpecifier;
use deno_graph::source::ResolutionMode;
use deno_graph::Resolution;
use deno_graph::ResolutionError;
use deno_graph::SpecifierError;
use deno_lint::linter::LintConfig;
use deno_lint::rules::LintRule;
use deno_runtime::deno_fs;
use deno_runtime::deno_node;
use deno_runtime::tokio_util::create_basic_runtime;
use deno_semver::jsr::JsrPackageReqReference;
use deno_semver::npm::NpmPackageReqReference;
use deno_semver::package::PackageReq;
use import_map::ImportMap;
use log::error;
use std::collections::HashMap;
use std::collections::HashSet;
use std::sync::atomic::AtomicUsize;
use std::sync::Arc;
use std::thread;
use tokio::sync::mpsc;
use tokio::sync::Mutex;
use tokio::time::Duration;
use tokio_util::sync::CancellationToken;
use tower_lsp::lsp_types as lsp;
#[derive(Debug)]
pub struct DiagnosticServerUpdateMessage {
pub snapshot: Arc<StateSnapshot>,
pub url_map: LspUrlMap,
}
#[derive(Debug)]
struct DiagnosticRecord {
pub specifier: ModuleSpecifier,
pub versioned: VersionedDiagnostics,
}
#[derive(Clone, Default, Debug)]
struct VersionedDiagnostics {
pub version: Option<i32>,
pub diagnostics: Vec<lsp::Diagnostic>,
}
type DiagnosticVec = Vec<DiagnosticRecord>;
#[derive(Debug, Hash, PartialEq, Eq, Copy, Clone)]
pub enum DiagnosticSource {
Deno,
Lint,
Ts,
}
impl DiagnosticSource {
pub fn as_lsp_source(&self) -> &'static str {
match self {
Self::Deno => "deno",
Self::Lint => "deno-lint",
Self::Ts => "deno-ts",
}
}
}
type DiagnosticsBySource = HashMap<DiagnosticSource, VersionedDiagnostics>;
#[derive(Debug)]
struct DiagnosticsPublisher {
client: Client,
state: Arc<DiagnosticsState>,
diagnostics_by_specifier:
Mutex<HashMap<ModuleSpecifier, DiagnosticsBySource>>,
}
impl DiagnosticsPublisher {
pub fn new(client: Client, state: Arc<DiagnosticsState>) -> Self {
Self {
client,
state,
diagnostics_by_specifier: Default::default(),
}
}
pub async fn publish(
&self,
source: DiagnosticSource,
diagnostics: DiagnosticVec,
url_map: &LspUrlMap,
documents: &Documents,
token: &CancellationToken,
) -> usize {
let mut diagnostics_by_specifier =
self.diagnostics_by_specifier.lock().await;
let mut seen_specifiers = HashSet::with_capacity(diagnostics.len());
let mut messages_sent = 0;
for record in diagnostics {
if token.is_cancelled() {
return messages_sent;
}
seen_specifiers.insert(record.specifier.clone());
let diagnostics_by_source = diagnostics_by_specifier
.entry(record.specifier.clone())
.or_default();
let version = record.versioned.version;
let source_diagnostics = diagnostics_by_source.entry(source).or_default();
*source_diagnostics = record.versioned;
// DO NOT filter these by version. We want to display even out
// of date diagnostics in order to prevent flickering. The user's
// lsp client will eventually catch up.
let all_specifier_diagnostics = diagnostics_by_source
.values()
.flat_map(|d| &d.diagnostics)
.cloned()
.collect::<Vec<_>>();
self
.state
.update(&record.specifier, version, &all_specifier_diagnostics);
let file_referrer = documents.get_file_referrer(&record.specifier);
self
.client
.publish_diagnostics(
url_map
.normalize_specifier(&record.specifier, file_referrer.as_deref())
.unwrap_or(LspClientUrl::new(record.specifier)),
all_specifier_diagnostics,
version,
)
.await;
messages_sent += 1;
}
// now check all the specifiers to clean up any ones with old diagnostics
let mut specifiers_to_remove = Vec::new();
for (specifier, diagnostics_by_source) in
diagnostics_by_specifier.iter_mut()
{
if seen_specifiers.contains(specifier) {
continue;
}
if token.is_cancelled() {
break;
}
let maybe_removed_value = diagnostics_by_source.remove(&source);
if diagnostics_by_source.is_empty() {
specifiers_to_remove.push(specifier.clone());
if let Some(removed_value) = maybe_removed_value {
// clear out any diagnostics for this specifier
self.state.update(specifier, removed_value.version, &[]);
let file_referrer = documents.get_file_referrer(specifier);
self
.client
.publish_diagnostics(
url_map
.normalize_specifier(specifier, file_referrer.as_deref())
.unwrap_or_else(|_| LspClientUrl::new(specifier.clone())),
Vec::new(),
removed_value.version,
)
.await;
messages_sent += 1;
}
}
}
// clean up specifiers with no diagnostics
for specifier in specifiers_to_remove {
diagnostics_by_specifier.remove(&specifier);
}
messages_sent
}
pub async fn clear(&self) {
let mut all_diagnostics = self.diagnostics_by_specifier.lock().await;
all_diagnostics.clear();
}
}
type DiagnosticMap = HashMap<ModuleSpecifier, VersionedDiagnostics>;
#[derive(Clone, Default, Debug)]
struct TsDiagnosticsStore(Arc<deno_core::parking_lot::Mutex<DiagnosticMap>>);
impl TsDiagnosticsStore {
pub fn get(
&self,
specifier: &ModuleSpecifier,
document_version: Option<i32>,
) -> Vec<lsp::Diagnostic> {
let ts_diagnostics = self.0.lock();
if let Some(versioned) = ts_diagnostics.get(specifier) {
// only get the diagnostics if they're up to date
if document_version == versioned.version {
return versioned.diagnostics.clone();
}
}
Vec::new()
}
pub fn invalidate(&self, specifiers: &[ModuleSpecifier]) {
let mut ts_diagnostics = self.0.lock();
for specifier in specifiers {
ts_diagnostics.remove(specifier);
}
}
pub fn invalidate_all(&self) {
self.0.lock().clear();
}
fn update(&self, diagnostics: &DiagnosticVec) {
let mut stored_ts_diagnostics = self.0.lock();
*stored_ts_diagnostics = diagnostics
.iter()
.map(|record| (record.specifier.clone(), record.versioned.clone()))
.collect();
}
}
pub fn should_send_diagnostic_batch_index_notifications() -> bool {
crate::args::has_flag_env_var(
"DENO_DONT_USE_INTERNAL_LSP_DIAGNOSTIC_SYNC_FLAG",
)
}
#[derive(Clone, Debug)]
struct DiagnosticBatchCounter(Option<Arc<AtomicUsize>>);
impl Default for DiagnosticBatchCounter {
fn default() -> Self {
if should_send_diagnostic_batch_index_notifications() {
Self(Some(Default::default()))
} else {
Self(None)
}
}
}
impl DiagnosticBatchCounter {
pub fn inc(&self) -> Option<usize> {
self
.0
.as_ref()
.map(|value| value.fetch_add(1, std::sync::atomic::Ordering::SeqCst) + 1)
}
pub fn get(&self) -> Option<usize> {
self
.0
.as_ref()
.map(|value| value.load(std::sync::atomic::Ordering::SeqCst))
}
}
#[derive(Debug)]
enum ChannelMessage {
Update(ChannelUpdateMessage),
Clear,
}
#[derive(Debug)]
struct ChannelUpdateMessage {
message: DiagnosticServerUpdateMessage,
batch_index: Option<usize>,
}
#[derive(Debug)]
struct SpecifierState {
version: Option<i32>,
no_cache_diagnostics: Vec<lsp::Diagnostic>,
}
#[derive(Debug, Default)]
pub struct DiagnosticsState {
specifiers: RwLock<HashMap<ModuleSpecifier, SpecifierState>>,
}
impl DiagnosticsState {
fn update(
&self,
specifier: &ModuleSpecifier,
version: Option<i32>,
diagnostics: &[lsp::Diagnostic],
) {
let mut specifiers = self.specifiers.write();
let current_version = specifiers.get(specifier).and_then(|s| s.version);
match (version, current_version) {
(Some(arg), Some(existing)) if arg < existing => return,
_ => {}
}
let mut no_cache_diagnostics = vec![];
for diagnostic in diagnostics {
if diagnostic.code
== Some(lsp::NumberOrString::String("no-cache".to_string()))
|| diagnostic.code
== Some(lsp::NumberOrString::String("no-cache-jsr".to_string()))
|| diagnostic.code
== Some(lsp::NumberOrString::String("no-cache-npm".to_string()))
{
no_cache_diagnostics.push(diagnostic.clone());
}
}
specifiers.insert(
specifier.clone(),
SpecifierState {
version,
no_cache_diagnostics,
},
);
}
pub fn clear(&self, specifier: &ModuleSpecifier) {
self.specifiers.write().remove(specifier);
}
pub fn has_no_cache_diagnostics(&self, specifier: &ModuleSpecifier) -> bool {
self
.specifiers
.read()
.get(specifier)
.map(|s| !s.no_cache_diagnostics.is_empty())
.unwrap_or(false)
}
pub fn no_cache_diagnostics(
&self,
specifier: &ModuleSpecifier,
) -> Vec<lsp::Diagnostic> {
self
.specifiers
.read()
.get(specifier)
.map(|s| s.no_cache_diagnostics.clone())
.unwrap_or_default()
}
}
#[derive(Debug)]
pub struct DiagnosticsServer {
channel: Option<mpsc::UnboundedSender<ChannelMessage>>,
ts_diagnostics: TsDiagnosticsStore,
client: Client,
performance: Arc<Performance>,
ts_server: Arc<TsServer>,
batch_counter: DiagnosticBatchCounter,
state: Arc<DiagnosticsState>,
}
impl DiagnosticsServer {
pub fn new(
client: Client,
performance: Arc<Performance>,
ts_server: Arc<TsServer>,
state: Arc<DiagnosticsState>,
) -> Self {
DiagnosticsServer {
channel: Default::default(),
ts_diagnostics: Default::default(),
client,
performance,
ts_server,
batch_counter: Default::default(),
state,
}
}
pub fn get_ts_diagnostics(
&self,
specifier: &ModuleSpecifier,
document_version: Option<i32>,
) -> Vec<lsp::Diagnostic> {
self.ts_diagnostics.get(specifier, document_version)
}
pub fn invalidate(&self, specifiers: &[ModuleSpecifier]) {
self.ts_diagnostics.invalidate(specifiers);
}
pub fn invalidate_all(&self) {
self.ts_diagnostics.invalidate_all();
if let Some(tx) = &self.channel {
let _ = tx.send(ChannelMessage::Clear);
}
}
#[allow(unused_must_use)]
pub fn start(&mut self) {
let (tx, mut rx) = mpsc::unbounded_channel::<ChannelMessage>();
self.channel = Some(tx);
let client = self.client.clone();
let state = self.state.clone();
let performance = self.performance.clone();
let ts_diagnostics_store = self.ts_diagnostics.clone();
let ts_server = self.ts_server.clone();
let _join_handle = thread::spawn(move || {
let runtime = create_basic_runtime();
runtime.block_on(async {
let mut token = CancellationToken::new();
let mut ts_handle: Option<JoinHandle<()>> = None;
let mut lint_handle: Option<JoinHandle<()>> = None;
let mut deps_handle: Option<JoinHandle<()>> = None;
let diagnostics_publisher =
Arc::new(DiagnosticsPublisher::new(client.clone(), state.clone()));
loop {
match rx.recv().await {
// channel has closed
None => break,
Some(message) => {
let message = match message {
ChannelMessage::Update(message) => message,
ChannelMessage::Clear => {
token.cancel();
token = CancellationToken::new();
diagnostics_publisher.clear().await;
continue;
}
};
let ChannelUpdateMessage {
message: DiagnosticServerUpdateMessage { snapshot, url_map },
batch_index,
} = message;
let url_map = Arc::new(url_map);
// cancel the previous run
token.cancel();
token = CancellationToken::new();
let previous_ts_handle = ts_handle.take();
ts_handle = Some(spawn({
let performance = performance.clone();
let diagnostics_publisher = diagnostics_publisher.clone();
let ts_server = ts_server.clone();
let token = token.clone();
let ts_diagnostics_store = ts_diagnostics_store.clone();
let snapshot = snapshot.clone();
let config = snapshot.config.clone();
let url_map = url_map.clone();
async move {
if let Some(previous_handle) = previous_ts_handle {
// Wait on the previous run to complete in order to prevent
// multiple threads queueing up a lot of tsc requests.
// Do not race this with cancellation because we want a
// chain of events to wait for all the previous diagnostics to complete
previous_handle.await;
}
// Debounce timer delay. 150ms between keystrokes is about 45 WPM, so we
// want something that is longer than that, but not too long to
// introduce detectable UI delay; 200ms is a decent compromise.
const DELAY: Duration = Duration::from_millis(200);
tokio::select! {
_ = token.cancelled() => { return; }
_ = tokio::time::sleep(DELAY) => {}
};
let mark = performance.mark("lsp.update_diagnostics_ts");
let diagnostics = generate_ts_diagnostics(
snapshot.clone(),
&config,
&ts_server,
token.clone(),
)
.await
.map_err(|err| {
if !token.is_cancelled() {
error!(
"Error generating TypeScript diagnostics: {}",
err
);
token.cancel();
}
})
.unwrap_or_default();
let mut messages_len = 0;
if !token.is_cancelled() {
ts_diagnostics_store.update(&diagnostics);
messages_len = diagnostics_publisher
.publish(
DiagnosticSource::Ts,
diagnostics,
&url_map,
snapshot.documents.as_ref(),
&token,
)
.await;
if !token.is_cancelled() {
performance.measure(mark);
}
}
if let Some(batch_index) = batch_index {
diagnostics_publisher
.client
.send_diagnostic_batch_notification(
DiagnosticBatchNotificationParams {
batch_index,
messages_len,
},
);
}
}
}));
let previous_deps_handle = deps_handle.take();
deps_handle = Some(spawn({
let performance = performance.clone();
let diagnostics_publisher = diagnostics_publisher.clone();
let token = token.clone();
let snapshot = snapshot.clone();
let config = snapshot.config.clone();
let url_map = url_map.clone();
async move {
if let Some(previous_handle) = previous_deps_handle {
previous_handle.await;
}
let mark = performance.mark("lsp.update_diagnostics_deps");
let diagnostics = spawn_blocking({
let token = token.clone();
let snapshot = snapshot.clone();
move || generate_deno_diagnostics(&snapshot, &config, token)
})
.await
.unwrap();
let mut messages_len = 0;
if !token.is_cancelled() {
messages_len = diagnostics_publisher
.publish(
DiagnosticSource::Deno,
diagnostics,
&url_map,
snapshot.documents.as_ref(),
&token,
)
.await;
if !token.is_cancelled() {
performance.measure(mark);
}
}
if let Some(batch_index) = batch_index {
diagnostics_publisher
.client
.send_diagnostic_batch_notification(
DiagnosticBatchNotificationParams {
batch_index,
messages_len,
},
);
}
}
}));
let previous_lint_handle = lint_handle.take();
lint_handle = Some(spawn({
let performance = performance.clone();
let diagnostics_publisher = diagnostics_publisher.clone();
let token = token.clone();
let snapshot = snapshot.clone();
let config = snapshot.config.clone();
let url_map = url_map.clone();
async move {
if let Some(previous_handle) = previous_lint_handle {
previous_handle.await;
}
let mark = performance.mark("lsp.update_diagnostics_lint");
let diagnostics = spawn_blocking({
let token = token.clone();
let snapshot = snapshot.clone();
move || generate_lint_diagnostics(&snapshot, &config, token)
})
.await
.unwrap();
let mut messages_len = 0;
if !token.is_cancelled() {
messages_len = diagnostics_publisher
.publish(
DiagnosticSource::Lint,
diagnostics,
&url_map,
snapshot.documents.as_ref(),
&token,
)
.await;
if !token.is_cancelled() {
performance.measure(mark);
}
}
if let Some(batch_index) = batch_index {
diagnostics_publisher
.client
.send_diagnostic_batch_notification(
DiagnosticBatchNotificationParams {
batch_index,
messages_len,
},
);
}
}
}));
}
}
}
})
});
}
pub fn latest_batch_index(&self) -> Option<usize> {
self.batch_counter.get()
}
pub fn update(
&self,
message: DiagnosticServerUpdateMessage,
) -> Result<(), AnyError> {
// todo(dsherret): instead of queuing up messages, it would be better to
// instead only store the latest message (ex. maybe using a
// tokio::sync::watch::channel)
if let Some(tx) = &self.channel {
tx.send(ChannelMessage::Update(ChannelUpdateMessage {
message,
batch_index: self.batch_counter.inc(),
}))
.map_err(|err| err.into())
} else {
Err(anyhow!("diagnostics server not started"))
}
}
}
impl<'a> From<&'a crate::tsc::DiagnosticCategory> for lsp::DiagnosticSeverity {
fn from(category: &'a crate::tsc::DiagnosticCategory) -> Self {
match category {
crate::tsc::DiagnosticCategory::Error => lsp::DiagnosticSeverity::ERROR,
crate::tsc::DiagnosticCategory::Warning => {
lsp::DiagnosticSeverity::WARNING
}
crate::tsc::DiagnosticCategory::Suggestion => {
lsp::DiagnosticSeverity::HINT
}
crate::tsc::DiagnosticCategory::Message => {
lsp::DiagnosticSeverity::INFORMATION
}
}
}
}
impl<'a> From<&'a crate::tsc::Position> for lsp::Position {
fn from(pos: &'a crate::tsc::Position) -> Self {
Self {
line: pos.line as u32,
character: pos.character as u32,
}
}
}
fn get_diagnostic_message(diagnostic: &crate::tsc::Diagnostic) -> String {
if let Some(message) = diagnostic.message_text.clone() {
message
} else if let Some(message_chain) = diagnostic.message_chain.clone() {
message_chain.format_message(0)
} else {
"[missing message]".to_string()
}
}
fn to_lsp_range(
start: &crate::tsc::Position,
end: &crate::tsc::Position,
) -> lsp::Range {
lsp::Range {
start: start.into(),
end: end.into(),
}
}
fn to_lsp_related_information(
related_information: &Option<Vec<crate::tsc::Diagnostic>>,
) -> Option<Vec<lsp::DiagnosticRelatedInformation>> {
related_information.as_ref().map(|related| {
related
.iter()
.filter_map(|ri| {
if let (Some(file_name), Some(start), Some(end)) =
(&ri.file_name, &ri.start, &ri.end)
{
let uri = lsp::Url::parse(file_name).unwrap();
Some(lsp::DiagnosticRelatedInformation {
location: lsp::Location {
uri,
range: to_lsp_range(start, end),
},
message: get_diagnostic_message(ri),
})
} else {
None
}
})
.collect()
})
}
fn ts_json_to_diagnostics(
diagnostics: Vec<crate::tsc::Diagnostic>,
) -> Vec<lsp::Diagnostic> {
diagnostics
.iter()
.filter_map(|d| {
if let (Some(start), Some(end)) = (&d.start, &d.end) {
Some(lsp::Diagnostic {
range: to_lsp_range(start, end),
severity: Some((&d.category).into()),
code: Some(lsp::NumberOrString::Number(d.code as i32)),
code_description: None,
source: Some(DiagnosticSource::Ts.as_lsp_source().to_string()),
message: get_diagnostic_message(d),
related_information: to_lsp_related_information(
&d.related_information,
),
tags: match d.code {
// These are codes that indicate the variable is unused.
2695 | 6133 | 6138 | 6192 | 6196 | 6198 | 6199 | 6205 | 7027
| 7028 => Some(vec![lsp::DiagnosticTag::UNNECESSARY]),
// These are codes that indicated the variable is deprecated.
2789 | 6385 | 6387 => Some(vec![lsp::DiagnosticTag::DEPRECATED]),
_ => None,
},
data: None,
})
} else {
None
}
})
.collect()
}
fn generate_lint_diagnostics(
snapshot: &language_server::StateSnapshot,
config: &Config,
token: CancellationToken,
) -> DiagnosticVec {
let documents = snapshot
.documents
.documents(DocumentsFilter::OpenDiagnosable);
let config_data_by_scope = config.tree.data_by_scope();
let mut diagnostics_vec = Vec::new();
for document in documents {
let specifier = document.specifier();
if specifier.scheme() != "file" {
continue;
}
if !config.specifier_enabled(specifier) {
continue;
}
let settings = config.workspace_settings_for_specifier(specifier);
if !settings.lint {
continue;
}
// exit early if cancelled
if token.is_cancelled() {
break;
}
// ignore any npm package files
if snapshot.resolver.in_node_modules(specifier) {
continue;
}
let version = document.maybe_lsp_version();
let (lint_options, lint_config, lint_rules) = config
.tree
.scope_for_specifier(specifier)
.and_then(|s| config_data_by_scope.get(s))
.map(|d| {
(
d.lint_options.clone(),
d.lint_config.clone(),
d.lint_rules.clone(),
)
})
.unwrap_or_else(|| {
(
Arc::default(),
LintConfig {
default_jsx_factory: None,
default_jsx_fragment_factory: None,
},
Arc::default(),
)
});
diagnostics_vec.push(DiagnosticRecord {
specifier: specifier.clone(),
versioned: VersionedDiagnostics {
version,
diagnostics: generate_document_lint_diagnostics(
&document,
&lint_options,
lint_config,
lint_rules.rules.clone(),
),
},
});
}
diagnostics_vec
}
fn generate_document_lint_diagnostics(
document: &Document,
lint_options: &LintOptions,
lint_config: LintConfig,
lint_rules: Vec<&'static dyn LintRule>,
) -> Vec<lsp::Diagnostic> {
if !lint_options.files.matches_specifier(document.specifier()) {
return Vec::new();
}
match document.maybe_parsed_source() {
Some(Ok(parsed_source)) => {
if let Ok(references) =
analysis::get_lint_references(parsed_source, lint_rules, lint_config)
{
references
.into_iter()
.map(|r| r.to_diagnostic())
.collect::<Vec<_>>()
} else {
Vec::new()
}
}
Some(Err(_)) => Vec::new(),
None => {
error!("Missing file contents for: {}", document.specifier());
Vec::new()
}
}
}
async fn generate_ts_diagnostics(
snapshot: Arc<language_server::StateSnapshot>,
config: &Config,
ts_server: &tsc::TsServer,
token: CancellationToken,
) -> Result<DiagnosticVec, AnyError> {
let mut diagnostics_vec = Vec::new();
let specifiers = snapshot
.documents
.documents(DocumentsFilter::OpenDiagnosable)
.into_iter()
.map(|d| d.specifier().clone());
let (enabled_specifiers, disabled_specifiers) = specifiers
.into_iter()
.partition::<Vec<_>, _>(|s| config.specifier_enabled(s));
let ts_diagnostics_map = if !enabled_specifiers.is_empty() {
ts_server
.get_diagnostics(snapshot.clone(), enabled_specifiers, token)
.await?
} else {
Default::default()
};
for (specifier_str, ts_json_diagnostics) in ts_diagnostics_map {
let specifier = resolve_url(&specifier_str)?;
let version = snapshot
.documents
.get(&specifier)
.and_then(|d| d.maybe_lsp_version());
// check if the specifier is enabled again just in case TS returns us
// diagnostics for a disabled specifier
let ts_diagnostics = if config.specifier_enabled(&specifier) {
ts_json_to_diagnostics(ts_json_diagnostics)
} else {
Vec::new()
};
diagnostics_vec.push(DiagnosticRecord {
specifier,
versioned: VersionedDiagnostics {
version,
diagnostics: ts_diagnostics,
},
});
}
// add an empty diagnostic publish for disabled specifiers in order
// to clear those diagnostics if they exist
for specifier in disabled_specifiers {
let version = snapshot
.documents
.get(&specifier)
.and_then(|d| d.maybe_lsp_version());
diagnostics_vec.push(DiagnosticRecord {
specifier,
versioned: VersionedDiagnostics {
version,
diagnostics: Vec::new(),
},
});
}
Ok(diagnostics_vec)
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct DiagnosticDataSpecifier {
pub specifier: ModuleSpecifier,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct DiagnosticDataStrSpecifier {
pub specifier: String,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct DiagnosticDataRedirect {
pub redirect: ModuleSpecifier,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct DiagnosticDataNoLocal {
pub to: ModuleSpecifier,
pub message: String,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct DiagnosticDataImportMapRemap {
pub from: String,
pub to: String,
}
/// An enum which represents diagnostic errors which originate from Deno itself.
pub enum DenoDiagnostic {
/// A `x-deno-warning` is associated with the specifier and should be displayed
/// as a warning to the user.
DenoWarn(String),
/// An informational diagnostic that indicates an existing specifier can be
/// remapped to an import map import specifier.
ImportMapRemap { from: String, to: String },
/// The import assertion type is incorrect.
InvalidAttributeType(String),
/// A module requires an attribute type to be a valid import.
NoAttributeType,
/// A remote module was not found in the cache.
NoCache(ModuleSpecifier),
/// A remote jsr package reference was not found in the cache.
NoCacheJsr(PackageReq, ModuleSpecifier),
/// A remote npm package reference was not found in the cache.
NoCacheNpm(PackageReq, ModuleSpecifier),
/// A local module was not found on the local file system.
NoLocal(ModuleSpecifier),
/// The specifier resolved to a remote specifier that was redirected to
/// another specifier.
Redirect {
from: ModuleSpecifier,