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denoland-deno/cli/lsp/tsc.rs

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use super::analysis::CodeActionData;
use super::code_lens;
use super::config;
use super::documents::AssetOrDocument;
use super::documents::DocumentsFilter;
use super::language_server;
use super::language_server::StateSnapshot;
use super::performance::Performance;
use super::refactor::RefactorCodeActionData;
use super::refactor::ALL_KNOWN_REFACTOR_ACTION_KINDS;
use super::refactor::EXTRACT_CONSTANT;
use super::refactor::EXTRACT_INTERFACE;
use super::refactor::EXTRACT_TYPE;
use super::semantic_tokens;
use super::semantic_tokens::SemanticTokensBuilder;
use super::text::LineIndex;
use super::urls::LspClientUrl;
use super::urls::LspUrlMap;
use super::urls::INVALID_SPECIFIER;
use crate::args::jsr_url;
use crate::args::FmtOptionsConfig;
use crate::cache::HttpCache;
use crate::lsp::cache::CacheMetadata;
use crate::lsp::documents::Documents;
use crate::lsp::logging::lsp_warn;
use crate::tsc;
use crate::tsc::ResolveArgs;
use crate::tsc::MISSING_DEPENDENCY_SPECIFIER;
use crate::util::path::relative_specifier;
use crate::util::path::to_percent_decoded_str;
use deno_runtime::fs_util::specifier_to_file_path;
use dashmap::DashMap;
use deno_ast::MediaType;
use deno_core::anyhow::anyhow;
use deno_core::anyhow::Context as _;
use deno_core::error::custom_error;
use deno_core::error::AnyError;
use deno_core::futures::FutureExt;
use deno_core::located_script_name;
use deno_core::op2;
use deno_core::parking_lot::Mutex;
use deno_core::resolve_url;
use deno_core::serde::de;
use deno_core::serde::Deserialize;
use deno_core::serde::Serialize;
use deno_core::serde_json;
use deno_core::serde_json::json;
use deno_core::serde_json::Value;
use deno_core::serde_v8;
use deno_core::v8;
use deno_core::JsRuntime;
use deno_core::ModuleSpecifier;
use deno_core::OpState;
use deno_core::PollEventLoopOptions;
use deno_core::RuntimeOptions;
use deno_runtime::inspector_server::InspectorServer;
use deno_runtime::tokio_util::create_basic_runtime;
use lazy_regex::lazy_regex;
use log::error;
use once_cell::sync::Lazy;
use regex::Captures;
use regex::Regex;
use serde_repr::Deserialize_repr;
use serde_repr::Serialize_repr;
use std::cmp;
use std::collections::HashMap;
use std::collections::HashSet;
use std::net::SocketAddr;
use std::ops::Range;
use std::path::Path;
use std::rc::Rc;
use std::sync::Arc;
use std::thread;
use text_size::TextRange;
use text_size::TextSize;
use tokio::sync::mpsc;
use tokio::sync::mpsc::UnboundedReceiver;
use tokio::sync::oneshot;
use tokio_util::sync::CancellationToken;
use tower_lsp::jsonrpc::Error as LspError;
use tower_lsp::jsonrpc::Result as LspResult;
use tower_lsp::lsp_types as lsp;
static BRACKET_ACCESSOR_RE: Lazy<Regex> =
lazy_regex!(r#"^\[['"](.+)[\['"]\]$"#);
static CAPTION_RE: Lazy<Regex> =
lazy_regex!(r"<caption>(.*?)</caption>\s*\r?\n((?:\s|\S)*)");
static CODEBLOCK_RE: Lazy<Regex> = lazy_regex!(r"^\s*[~`]{3}");
static EMAIL_MATCH_RE: Lazy<Regex> = lazy_regex!(r"(.+)\s<([-.\w]+@[-.\w]+)>");
static HTTP_RE: Lazy<Regex> = lazy_regex!(r#"(?i)^https?:"#);
static JSDOC_LINKS_RE: Lazy<Regex> = lazy_regex!(
r"(?i)\{@(link|linkplain|linkcode) (https?://[^ |}]+?)(?:[| ]([^{}\n]+?))?\}"
);
static PART_KIND_MODIFIER_RE: Lazy<Regex> = lazy_regex!(r",|\s+");
static PART_RE: Lazy<Regex> = lazy_regex!(r"^(\S+)\s*-?\s*");
static SCOPE_RE: Lazy<Regex> = lazy_regex!(r"scope_(\d)");
const FILE_EXTENSION_KIND_MODIFIERS: &[&str] =
&[".d.ts", ".ts", ".tsx", ".js", ".jsx", ".json"];
type Request = (
TscRequest,
Arc<StateSnapshot>,
oneshot::Sender<Result<String, AnyError>>,
CancellationToken,
Option<PendingChange>,
);
#[derive(Debug, Clone, Copy, Serialize_repr)]
#[repr(u8)]
pub enum IndentStyle {
#[allow(dead_code)]
None = 0,
Block = 1,
#[allow(dead_code)]
Smart = 2,
}
/// Relevant subset of https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6658.
#[derive(Clone, Debug, Default, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct FormatCodeSettings {
base_indent_size: Option<u8>,
indent_size: Option<u8>,
tab_size: Option<u8>,
new_line_character: Option<String>,
convert_tabs_to_spaces: Option<bool>,
indent_style: Option<IndentStyle>,
trim_trailing_whitespace: Option<bool>,
insert_space_after_comma_delimiter: Option<bool>,
insert_space_after_semicolon_in_for_statements: Option<bool>,
insert_space_before_and_after_binary_operators: Option<bool>,
insert_space_after_constructor: Option<bool>,
insert_space_after_keywords_in_control_flow_statements: Option<bool>,
insert_space_after_function_keyword_for_anonymous_functions: Option<bool>,
insert_space_after_opening_and_before_closing_nonempty_parenthesis:
Option<bool>,
insert_space_after_opening_and_before_closing_nonempty_brackets: Option<bool>,
insert_space_after_opening_and_before_closing_nonempty_braces: Option<bool>,
insert_space_after_opening_and_before_closing_template_string_braces:
Option<bool>,
insert_space_after_opening_and_before_closing_jsx_expression_braces:
Option<bool>,
insert_space_after_type_assertion: Option<bool>,
insert_space_before_function_parenthesis: Option<bool>,
place_open_brace_on_new_line_for_functions: Option<bool>,
place_open_brace_on_new_line_for_control_blocks: Option<bool>,
insert_space_before_type_annotation: Option<bool>,
indent_multi_line_object_literal_beginning_on_blank_line: Option<bool>,
semicolons: Option<SemicolonPreference>,
indent_switch_case: Option<bool>,
}
impl From<&FmtOptionsConfig> for FormatCodeSettings {
fn from(config: &FmtOptionsConfig) -> Self {
FormatCodeSettings {
base_indent_size: Some(0),
indent_size: Some(config.indent_width.unwrap_or(2)),
tab_size: Some(config.indent_width.unwrap_or(2)),
new_line_character: Some("\n".to_string()),
convert_tabs_to_spaces: Some(!config.use_tabs.unwrap_or(false)),
indent_style: Some(IndentStyle::Block),
trim_trailing_whitespace: Some(false),
insert_space_after_comma_delimiter: Some(true),
insert_space_after_semicolon_in_for_statements: Some(true),
insert_space_before_and_after_binary_operators: Some(true),
insert_space_after_constructor: Some(false),
insert_space_after_keywords_in_control_flow_statements: Some(true),
insert_space_after_function_keyword_for_anonymous_functions: Some(true),
insert_space_after_opening_and_before_closing_nonempty_parenthesis: Some(
false,
),
insert_space_after_opening_and_before_closing_nonempty_brackets: Some(
false,
),
insert_space_after_opening_and_before_closing_nonempty_braces: Some(true),
insert_space_after_opening_and_before_closing_template_string_braces:
Some(false),
insert_space_after_opening_and_before_closing_jsx_expression_braces: Some(
false,
),
insert_space_after_type_assertion: Some(false),
insert_space_before_function_parenthesis: Some(false),
place_open_brace_on_new_line_for_functions: Some(false),
place_open_brace_on_new_line_for_control_blocks: Some(false),
insert_space_before_type_annotation: Some(false),
indent_multi_line_object_literal_beginning_on_blank_line: Some(false),
semicolons: match config.semi_colons {
Some(false) => Some(SemicolonPreference::Remove),
_ => Some(SemicolonPreference::Insert),
},
indent_switch_case: Some(true),
}
}
}
#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub enum SemicolonPreference {
Insert,
Remove,
}
fn normalize_diagnostic(
diagnostic: &mut crate::tsc::Diagnostic,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
if let Some(file_name) = &mut diagnostic.file_name {
*file_name = specifier_map.normalize(&file_name)?.to_string();
}
for ri in diagnostic.related_information.iter_mut().flatten() {
normalize_diagnostic(ri, specifier_map)?;
}
Ok(())
}
pub struct TsServer {
performance: Arc<Performance>,
cache: Arc<dyn HttpCache>,
sender: mpsc::UnboundedSender<Request>,
receiver: Mutex<Option<mpsc::UnboundedReceiver<Request>>>,
specifier_map: Arc<TscSpecifierMap>,
inspector_server: Mutex<Option<Arc<InspectorServer>>>,
pending_change: Mutex<Option<PendingChange>>,
}
impl std::fmt::Debug for TsServer {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("TsServer")
.field("performance", &self.performance)
.field("cache", &self.cache)
.field("sender", &self.sender)
.field("receiver", &self.receiver)
.field("specifier_map", &self.specifier_map)
.field("inspector_server", &self.inspector_server.lock().is_some())
.finish()
}
}
#[derive(Debug, Clone, Copy, PartialEq)]
#[repr(u8)]
pub enum ChangeKind {
Opened = 0,
Modified = 1,
Closed = 2,
}
impl Serialize for ChangeKind {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
serializer.serialize_i32(*self as i32)
}
}
#[derive(Debug, PartialEq)]
pub struct PendingChange {
pub modified_scripts: Vec<(String, ChangeKind)>,
pub project_version: usize,
pub config_changed: bool,
}
impl PendingChange {
fn to_v8<'s>(
&self,
scope: &mut v8::HandleScope<'s>,
) -> Result<v8::Local<'s, v8::Value>, AnyError> {
let modified_scripts = serde_v8::to_v8(scope, &self.modified_scripts)?;
let project_version =
v8::Integer::new_from_unsigned(scope, self.project_version as u32).into();
let config_changed = v8::Boolean::new(scope, self.config_changed).into();
Ok(
v8::Array::new_with_elements(
scope,
&[modified_scripts, project_version, config_changed],
)
.into(),
)
}
fn coalesce(
&mut self,
new_version: usize,
modified_scripts: Vec<(String, ChangeKind)>,
config_changed: bool,
) {
use ChangeKind::*;
self.project_version = self.project_version.max(new_version);
self.config_changed |= config_changed;
for (spec, new) in modified_scripts {
if let Some((_, current)) =
self.modified_scripts.iter_mut().find(|(s, _)| s == &spec)
{
// already a pending change for this specifier,
// coalesce the change kinds
match (*current, new) {
(_, Closed) => {
*current = Closed;
}
(Opened | Closed, Opened) => {
*current = Opened;
}
(Modified, Opened) => {
lsp_warn!("Unexpected change from Modified -> Opened");
*current = Opened;
}
(Opened, Modified) => {
// Opening may change the set of files in the project
*current = Opened;
}
(Closed, Modified) => {
lsp_warn!("Unexpected change from Closed -> Modifed");
// Shouldn't happen, but if it does treat it as closed
// since it's "stronger" than modifying an open doc
*current = Closed;
}
(Modified, Modified) => {
// no change
}
}
} else {
self.modified_scripts.push((spec, new));
}
}
}
}
impl TsServer {
pub fn new(performance: Arc<Performance>, cache: Arc<dyn HttpCache>) -> Self {
let (tx, request_rx) = mpsc::unbounded_channel::<Request>();
Self {
performance,
cache,
sender: tx,
receiver: Mutex::new(Some(request_rx)),
specifier_map: Arc::new(TscSpecifierMap::new()),
inspector_server: Mutex::new(None),
pending_change: Mutex::new(None),
}
}
pub fn start(
&self,
inspector_server_addr: Option<String>,
) -> Result<(), AnyError> {
let maybe_inspector_server = match inspector_server_addr {
Some(addr) => {
let addr: SocketAddr = addr.parse().with_context(|| {
format!("Invalid inspector server address \"{}\"", &addr)
})?;
let server = InspectorServer::new(addr, "deno-lsp-tsc")?;
Some(Arc::new(server))
}
None => None,
};
*self.inspector_server.lock() = maybe_inspector_server.clone();
// TODO(bartlomieju): why is the join_handle ignored here? Should we store it
// on the `TsServer` struct.
let receiver = self.receiver.lock().take().unwrap();
let performance = self.performance.clone();
let cache = self.cache.clone();
let specifier_map = self.specifier_map.clone();
let _join_handle = thread::spawn(move || {
run_tsc_thread(
receiver,
performance.clone(),
cache.clone(),
specifier_map.clone(),
maybe_inspector_server,
)
});
Ok(())
}
pub fn project_changed<'a>(
&self,
snapshot: Arc<StateSnapshot>,
modified_scripts: impl IntoIterator<Item = (&'a ModuleSpecifier, ChangeKind)>,
config_changed: bool,
) {
let modified_scripts = modified_scripts
.into_iter()
.map(|(spec, change)| (self.specifier_map.denormalize(spec), change))
.collect::<Vec<_>>();
match &mut *self.pending_change.lock() {
Some(pending_change) => {
pending_change.coalesce(
snapshot.project_version,
modified_scripts,
config_changed,
);
}
pending => {
let pending_change = PendingChange {
modified_scripts,
project_version: snapshot.project_version,
config_changed,
};
*pending = Some(pending_change);
}
}
}
pub async fn get_diagnostics(
&self,
snapshot: Arc<StateSnapshot>,
specifiers: Vec<ModuleSpecifier>,
token: CancellationToken,
) -> Result<HashMap<String, Vec<crate::tsc::Diagnostic>>, AnyError> {
let req = TscRequest::GetDiagnostics((
specifiers
.into_iter()
.map(|s| self.specifier_map.denormalize(&s))
.collect::<Vec<String>>(),
snapshot.project_version,
));
let raw_diagnostics = self.request_with_cancellation::<HashMap<String, Vec<crate::tsc::Diagnostic>>>(snapshot, req, token).await?;
let mut diagnostics_map = HashMap::with_capacity(raw_diagnostics.len());
for (mut specifier, mut diagnostics) in raw_diagnostics {
specifier = self.specifier_map.normalize(&specifier)?.to_string();
for diagnostic in &mut diagnostics {
normalize_diagnostic(diagnostic, &self.specifier_map)?;
}
diagnostics_map.insert(specifier, diagnostics);
}
Ok(diagnostics_map)
}
pub async fn cleanup_semantic_cache(&self, snapshot: Arc<StateSnapshot>) {
let req = TscRequest::CleanupSemanticCache;
self
.request::<()>(snapshot, req)
.await
.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
.ok();
}
pub async fn find_references(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<Option<Vec<ReferencedSymbol>>, LspError> {
let req = TscRequest::FindReferences((
self.specifier_map.denormalize(&specifier),
position,
));
self
.request::<Option<Vec<ReferencedSymbol>>>(snapshot, req)
.await
.and_then(|mut symbols| {
for symbol in symbols.iter_mut().flatten() {
symbol.normalize(&self.specifier_map)?;
}
Ok(symbols)
})
.map_err(|err| {
log::error!("Unable to get references from TypeScript: {}", err);
LspError::internal_error()
})
}
pub async fn get_navigation_tree(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
) -> Result<NavigationTree, AnyError> {
let req = TscRequest::GetNavigationTree((self
.specifier_map
.denormalize(&specifier),));
self.request(snapshot, req).await
}
pub async fn get_supported_code_fixes(
&self,
snapshot: Arc<StateSnapshot>,
) -> Result<Vec<String>, LspError> {
let req = TscRequest::GetSupportedCodeFixes;
self.request(snapshot, req).await.map_err(|err| {
log::error!("Unable to get fixable diagnostics: {}", err);
LspError::internal_error()
})
}
pub async fn get_quick_info(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<Option<QuickInfo>, LspError> {
let req = TscRequest::GetQuickInfoAtPosition((
self.specifier_map.denormalize(&specifier),
position,
));
self.request(snapshot, req).await.map_err(|err| {
log::error!("Unable to get quick info: {}", err);
LspError::internal_error()
})
}
pub async fn get_code_fixes(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
range: Range<u32>,
codes: Vec<i32>,
format_code_settings: FormatCodeSettings,
preferences: UserPreferences,
) -> Vec<CodeFixAction> {
let req = TscRequest::GetCodeFixesAtPosition(Box::new((
self.specifier_map.denormalize(&specifier),
range.start,
range.end,
codes,
format_code_settings,
preferences,
)));
let result = self
.request::<Vec<CodeFixAction>>(snapshot, req)
.await
.and_then(|mut actions| {
for action in &mut actions {
action.normalize(&self.specifier_map)?;
}
Ok(actions)
});
match result {
Ok(items) => items,
Err(err) => {
// sometimes tsc reports errors when retrieving code actions
// because they don't reflect the current state of the document
// so we will log them to the output, but we won't send an error
// message back to the client.
log::error!("Error getting actions from TypeScript: {}", err);
Vec::new()
}
}
}
pub async fn get_applicable_refactors(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
range: Range<u32>,
preferences: Option<UserPreferences>,
trigger_kind: Option<lsp::CodeActionTriggerKind>,
only: String,
) -> Result<Vec<ApplicableRefactorInfo>, LspError> {
let trigger_kind = trigger_kind.map(|reason| match reason {
lsp::CodeActionTriggerKind::INVOKED => "invoked",
lsp::CodeActionTriggerKind::AUTOMATIC => "implicit",
_ => unreachable!(),
});
let req = TscRequest::GetApplicableRefactors(Box::new((
self.specifier_map.denormalize(&specifier),
range.into(),
preferences.unwrap_or_default(),
trigger_kind,
only,
)));
self.request(snapshot, req).await.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn get_combined_code_fix(
&self,
snapshot: Arc<StateSnapshot>,
code_action_data: &CodeActionData,
format_code_settings: FormatCodeSettings,
preferences: UserPreferences,
) -> Result<CombinedCodeActions, LspError> {
let req = TscRequest::GetCombinedCodeFix(Box::new((
CombinedCodeFixScope {
r#type: "file",
file_name: self.specifier_map.denormalize(&code_action_data.specifier),
},
code_action_data.fix_id.clone(),
format_code_settings,
preferences,
)));
self
.request::<CombinedCodeActions>(snapshot, req)
.await
.and_then(|mut actions| {
actions.normalize(&self.specifier_map)?;
Ok(actions)
})
.map_err(|err| {
log::error!("Unable to get combined fix from TypeScript: {}", err);
LspError::internal_error()
})
}
#[allow(clippy::too_many_arguments)]
pub async fn get_edits_for_refactor(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
format_code_settings: FormatCodeSettings,
range: Range<u32>,
refactor_name: String,
action_name: String,
preferences: Option<UserPreferences>,
) -> Result<RefactorEditInfo, LspError> {
let req = TscRequest::GetEditsForRefactor(Box::new((
self.specifier_map.denormalize(&specifier),
format_code_settings,
range.into(),
refactor_name,
action_name,
preferences,
)));
self
.request::<RefactorEditInfo>(snapshot, req)
.await
.and_then(|mut info| {
info.normalize(&self.specifier_map)?;
Ok(info)
})
.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn get_edits_for_file_rename(
&self,
snapshot: Arc<StateSnapshot>,
old_specifier: ModuleSpecifier,
new_specifier: ModuleSpecifier,
format_code_settings: FormatCodeSettings,
user_preferences: UserPreferences,
) -> Result<Vec<FileTextChanges>, LspError> {
let req = TscRequest::GetEditsForFileRename(Box::new((
self.specifier_map.denormalize(&old_specifier),
self.specifier_map.denormalize(&new_specifier),
format_code_settings,
user_preferences,
)));
self
.request::<Vec<FileTextChanges>>(snapshot, req)
.await
.and_then(|mut changes| {
for changes in &mut changes {
changes.normalize(&self.specifier_map)?;
for text_changes in &mut changes.text_changes {
text_changes.new_text =
to_percent_decoded_str(&text_changes.new_text);
}
}
Ok(changes)
})
.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn get_document_highlights(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
files_to_search: Vec<ModuleSpecifier>,
) -> Result<Option<Vec<DocumentHighlights>>, LspError> {
let req = TscRequest::GetDocumentHighlights(Box::new((
self.specifier_map.denormalize(&specifier),
position,
files_to_search
.into_iter()
.map(|s| self.specifier_map.denormalize(&s))
.collect::<Vec<_>>(),
)));
self.request(snapshot, req).await.map_err(|err| {
log::error!("Unable to get document highlights from TypeScript: {}", err);
LspError::internal_error()
})
}
pub async fn get_definition(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<Option<DefinitionInfoAndBoundSpan>, LspError> {
let req = TscRequest::GetDefinitionAndBoundSpan((
self.specifier_map.denormalize(&specifier),
position,
));
self
.request::<Option<DefinitionInfoAndBoundSpan>>(snapshot, req)
.await
.and_then(|mut info| {
if let Some(info) = &mut info {
info.normalize(&self.specifier_map)?;
}
Ok(info)
})
.map_err(|err| {
log::error!("Unable to get definition from TypeScript: {}", err);
LspError::internal_error()
})
}
pub async fn get_type_definition(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<Option<Vec<DefinitionInfo>>, LspError> {
let req = TscRequest::GetTypeDefinitionAtPosition((
self.specifier_map.denormalize(&specifier),
position,
));
self
.request::<Option<Vec<DefinitionInfo>>>(snapshot, req)
.await
.and_then(|mut infos| {
for info in infos.iter_mut().flatten() {
info.normalize(&self.specifier_map)?;
}
Ok(infos)
})
.map_err(|err| {
log::error!("Unable to get type definition from TypeScript: {}", err);
LspError::internal_error()
})
}
pub async fn get_completions(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
options: GetCompletionsAtPositionOptions,
format_code_settings: FormatCodeSettings,
) -> Option<CompletionInfo> {
let req = TscRequest::GetCompletionsAtPosition(Box::new((
self.specifier_map.denormalize(&specifier),
position,
options,
format_code_settings,
)));
match self.request(snapshot, req).await {
Ok(maybe_info) => maybe_info,
Err(err) => {
log::error!("Unable to get completion info from TypeScript: {:#}", err);
None
}
}
}
pub async fn get_completion_details(
&self,
snapshot: Arc<StateSnapshot>,
args: GetCompletionDetailsArgs,
) -> Result<Option<CompletionEntryDetails>, AnyError> {
let req = TscRequest::GetCompletionEntryDetails(Box::new((
self.specifier_map.denormalize(&args.specifier),
args.position,
args.name,
args.format_code_settings.unwrap_or_default(),
args.source,
args.preferences,
args.data,
)));
self
.request::<Option<CompletionEntryDetails>>(snapshot, req)
.await
.and_then(|mut details| {
if let Some(details) = &mut details {
details.normalize(&self.specifier_map)?;
}
Ok(details)
})
}
pub async fn get_implementations(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<Option<Vec<ImplementationLocation>>, LspError> {
let req = TscRequest::GetImplementationAtPosition((
self.specifier_map.denormalize(&specifier),
position,
));
self
.request::<Option<Vec<ImplementationLocation>>>(snapshot, req)
.await
.and_then(|mut locations| {
for location in locations.iter_mut().flatten() {
location.normalize(&self.specifier_map)?;
}
Ok(locations)
})
.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn get_outlining_spans(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
) -> Result<Vec<OutliningSpan>, LspError> {
let req = TscRequest::GetOutliningSpans((self
.specifier_map
.denormalize(&specifier),));
self.request(snapshot, req).await.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn provide_call_hierarchy_incoming_calls(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<Vec<CallHierarchyIncomingCall>, LspError> {
let req = TscRequest::ProvideCallHierarchyIncomingCalls((
self.specifier_map.denormalize(&specifier),
position,
));
self
.request::<Vec<CallHierarchyIncomingCall>>(snapshot, req)
.await
.and_then(|mut calls| {
for call in &mut calls {
call.normalize(&self.specifier_map)?;
}
Ok(calls)
})
.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn provide_call_hierarchy_outgoing_calls(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<Vec<CallHierarchyOutgoingCall>, LspError> {
let req = TscRequest::ProvideCallHierarchyOutgoingCalls((
self.specifier_map.denormalize(&specifier),
position,
));
self
.request::<Vec<CallHierarchyOutgoingCall>>(snapshot, req)
.await
.and_then(|mut calls| {
for call in &mut calls {
call.normalize(&self.specifier_map)?;
}
Ok(calls)
})
.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn prepare_call_hierarchy(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<Option<OneOrMany<CallHierarchyItem>>, LspError> {
let req = TscRequest::PrepareCallHierarchy((
self.specifier_map.denormalize(&specifier),
position,
));
self
.request::<Option<OneOrMany<CallHierarchyItem>>>(snapshot, req)
.await
.and_then(|mut items| {
match &mut items {
Some(OneOrMany::One(item)) => {
item.normalize(&self.specifier_map)?;
}
Some(OneOrMany::Many(items)) => {
for item in items {
item.normalize(&self.specifier_map)?;
}
}
None => {}
}
Ok(items)
})
.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn find_rename_locations(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<Option<Vec<RenameLocation>>, LspError> {
let req = TscRequest::FindRenameLocations((
self.specifier_map.denormalize(&specifier),
position,
false,
false,
false,
));
self
.request::<Option<Vec<RenameLocation>>>(snapshot, req)
.await
.and_then(|mut locations| {
for location in locations.iter_mut().flatten() {
location.normalize(&self.specifier_map)?;
}
Ok(locations)
})
.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn get_smart_selection_range(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
) -> Result<SelectionRange, LspError> {
let req = TscRequest::GetSmartSelectionRange((
self.specifier_map.denormalize(&specifier),
position,
));
self.request(snapshot, req).await.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn get_encoded_semantic_classifications(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
range: Range<u32>,
) -> Result<Classifications, LspError> {
let req = TscRequest::GetEncodedSemanticClassifications((
self.specifier_map.denormalize(&specifier),
TextSpan {
start: range.start,
length: range.end - range.start,
},
"2020",
));
self.request(snapshot, req).await.map_err(|err| {
log::error!("Failed to request to tsserver {}", err);
LspError::invalid_request()
})
}
pub async fn get_signature_help_items(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
position: u32,
options: SignatureHelpItemsOptions,
) -> Result<Option<SignatureHelpItems>, LspError> {
let req = TscRequest::GetSignatureHelpItems((
self.specifier_map.denormalize(&specifier),
position,
options,
));
self.request(snapshot, req).await.map_err(|err| {
log::error!("Failed to request to tsserver: {}", err);
LspError::invalid_request()
})
}
pub async fn get_navigate_to_items(
&self,
snapshot: Arc<StateSnapshot>,
args: GetNavigateToItemsArgs,
) -> Result<Vec<NavigateToItem>, LspError> {
let req = TscRequest::GetNavigateToItems((
args.search,
args.max_result_count,
args.file.map(|f| match resolve_url(&f) {
Ok(s) => self.specifier_map.denormalize(&s),
Err(_) => f,
}),
));
self
.request::<Vec<NavigateToItem>>(snapshot, req)
.await
.and_then(|mut items| {
for items in &mut items {
items.normalize(&self.specifier_map)?;
}
Ok(items)
})
.map_err(|err| {
log::error!("Failed request to tsserver: {}", err);
LspError::invalid_request()
})
}
pub async fn provide_inlay_hints(
&self,
snapshot: Arc<StateSnapshot>,
specifier: ModuleSpecifier,
text_span: TextSpan,
user_preferences: UserPreferences,
) -> Result<Option<Vec<InlayHint>>, LspError> {
let req = TscRequest::ProvideInlayHints((
self.specifier_map.denormalize(&specifier),
text_span,
user_preferences,
));
self.request(snapshot, req).await.map_err(|err| {
log::error!("Unable to get inlay hints: {}", err);
LspError::internal_error()
})
}
async fn request<R>(
&self,
snapshot: Arc<StateSnapshot>,
req: TscRequest,
) -> Result<R, AnyError>
where
R: de::DeserializeOwned,
{
let mark = self
.performance
.mark(format!("tsc.request.{}", req.method()));
let r = self
.request_with_cancellation(snapshot, req, Default::default())
.await;
self.performance.measure(mark);
r
}
async fn request_with_cancellation<R>(
&self,
snapshot: Arc<StateSnapshot>,
req: TscRequest,
token: CancellationToken,
) -> Result<R, AnyError>
where
R: de::DeserializeOwned,
{
// When an LSP request is cancelled by the client, the future this is being
// executed under and any local variables here will be dropped at the next
// await point. To pass on that cancellation to the TS thread, we make this
// wrapper which cancels the request's token on drop.
struct DroppableToken(CancellationToken);
impl Drop for DroppableToken {
fn drop(&mut self) {
self.0.cancel();
}
}
let token = token.child_token();
let droppable_token = DroppableToken(token.clone());
let (tx, mut rx) = oneshot::channel::<Result<String, AnyError>>();
let change = self.pending_change.lock().take();
if self
.sender
.send((req, snapshot, tx, token.clone(), change))
.is_err()
{
return Err(anyhow!("failed to send request to tsc thread"));
}
tokio::select! {
value = &mut rx => {
let value = value??;
drop(droppable_token);
Ok(serde_json::from_str(&value)?)
}
_ = token.cancelled() => {
Err(anyhow!("request cancelled"))
}
}
}
}
/// An lsp representation of an asset in memory, that has either been retrieved
/// from static assets built into Rust, or static assets built into tsc.
#[derive(Debug, Clone)]
pub struct AssetDocument {
specifier: ModuleSpecifier,
text: Arc<str>,
line_index: Arc<LineIndex>,
maybe_navigation_tree: Option<Arc<NavigationTree>>,
}
impl AssetDocument {
pub fn new(specifier: ModuleSpecifier, text: impl AsRef<str>) -> Self {
let text = text.as_ref();
Self {
specifier,
text: text.into(),
line_index: Arc::new(LineIndex::new(text)),
maybe_navigation_tree: None,
}
}
pub fn specifier(&self) -> &ModuleSpecifier {
&self.specifier
}
pub fn with_navigation_tree(&self, tree: Arc<NavigationTree>) -> Self {
Self {
maybe_navigation_tree: Some(tree),
..self.clone()
}
}
pub fn text(&self) -> Arc<str> {
self.text.clone()
}
pub fn line_index(&self) -> Arc<LineIndex> {
self.line_index.clone()
}
pub fn maybe_navigation_tree(&self) -> Option<Arc<NavigationTree>> {
self.maybe_navigation_tree.clone()
}
}
type AssetsMap = HashMap<ModuleSpecifier, AssetDocument>;
fn new_assets_map() -> Arc<Mutex<AssetsMap>> {
let assets = tsc::LAZILY_LOADED_STATIC_ASSETS
.iter()
.map(|(k, v)| {
let url_str = format!("asset:///{k}");
let specifier = resolve_url(&url_str).unwrap();
let asset = AssetDocument::new(specifier.clone(), v);
(specifier, asset)
})
.collect::<AssetsMap>();
Arc::new(Mutex::new(assets))
}
/// Snapshot of Assets.
#[derive(Debug, Clone)]
pub struct AssetsSnapshot(Arc<Mutex<AssetsMap>>);
impl Default for AssetsSnapshot {
fn default() -> Self {
Self(new_assets_map())
}
}
impl AssetsSnapshot {
pub fn contains_key(&self, k: &ModuleSpecifier) -> bool {
self.0.lock().contains_key(k)
}
pub fn get(&self, k: &ModuleSpecifier) -> Option<AssetDocument> {
self.0.lock().get(k).cloned()
}
}
/// Assets are never updated and so we can safely use this struct across
/// multiple threads without needing to worry about race conditions.
#[derive(Debug, Clone)]
pub struct Assets {
ts_server: Arc<TsServer>,
assets: Arc<Mutex<AssetsMap>>,
}
impl Assets {
pub fn new(ts_server: Arc<TsServer>) -> Self {
Self {
ts_server,
assets: new_assets_map(),
}
}
/// Initializes with the assets in the isolate.
pub async fn initialize(&self, state_snapshot: Arc<StateSnapshot>) {
let assets = get_isolate_assets(&self.ts_server, state_snapshot).await;
let mut assets_map = self.assets.lock();
for asset in assets {
if !assets_map.contains_key(asset.specifier()) {
assets_map.insert(asset.specifier().clone(), asset);
}
}
}
pub fn snapshot(&self) -> AssetsSnapshot {
// it's ok to not make a complete copy for snapshotting purposes
// because assets are static
AssetsSnapshot(self.assets.clone())
}
pub fn get(&self, specifier: &ModuleSpecifier) -> Option<AssetDocument> {
self.assets.lock().get(specifier).cloned()
}
pub fn cache_navigation_tree(
&self,
specifier: &ModuleSpecifier,
navigation_tree: Arc<NavigationTree>,
) -> Result<(), AnyError> {
let mut assets = self.assets.lock();
let doc = assets
.get_mut(specifier)
.ok_or_else(|| anyhow!("Missing asset."))?;
*doc = doc.with_navigation_tree(navigation_tree);
Ok(())
}
}
/// Get all the assets stored in the tsc isolate.
async fn get_isolate_assets(
ts_server: &TsServer,
state_snapshot: Arc<StateSnapshot>,
) -> Vec<AssetDocument> {
let req = TscRequest::GetAssets;
let res: Value = ts_server.request(state_snapshot, req).await.unwrap();
let response_assets = match res {
Value::Array(value) => value,
_ => unreachable!(),
};
let mut assets = Vec::with_capacity(response_assets.len());
for asset in response_assets {
let mut obj = match asset {
Value::Object(obj) => obj,
_ => unreachable!(),
};
let specifier_str = obj.get("specifier").unwrap().as_str().unwrap();
let specifier = ModuleSpecifier::parse(specifier_str).unwrap();
let text = match obj.remove("text").unwrap() {
Value::String(text) => text,
_ => unreachable!(),
};
assets.push(AssetDocument::new(specifier, text));
}
assets
}
fn get_tag_body_text(
tag: &JsDocTagInfo,
language_server: &language_server::Inner,
) -> Option<String> {
tag.text.as_ref().map(|display_parts| {
// TODO(@kitsonk) check logic in vscode about handling this API change in
// tsserver
let text = display_parts_to_string(display_parts, language_server);
match tag.name.as_str() {
"example" => {
if CAPTION_RE.is_match(&text) {
CAPTION_RE
.replace(&text, |c: &Captures| {
format!("{}\n\n{}", &c[1], make_codeblock(&c[2]))
})
.to_string()
} else {
make_codeblock(&text)
}
}
"author" => EMAIL_MATCH_RE
.replace(&text, |c: &Captures| format!("{} {}", &c[1], &c[2]))
.to_string(),
"default" => make_codeblock(&text),
_ => replace_links(&text),
}
})
}
fn get_tag_documentation(
tag: &JsDocTagInfo,
language_server: &language_server::Inner,
) -> String {
match tag.name.as_str() {
"augments" | "extends" | "param" | "template" => {
if let Some(display_parts) = &tag.text {
// TODO(@kitsonk) check logic in vscode about handling this API change
// in tsserver
let text = display_parts_to_string(display_parts, language_server);
let body: Vec<&str> = PART_RE.split(&text).collect();
if body.len() == 3 {
let param = body[1];
let doc = body[2];
let label = format!("*@{}* `{}`", tag.name, param);
if doc.is_empty() {
return label;
}
if doc.contains('\n') {
return format!("{} \n{}", label, replace_links(doc));
} else {
return format!("{} - {}", label, replace_links(doc));
}
}
}
}
_ => (),
}
let label = format!("*@{}*", tag.name);
let maybe_text = get_tag_body_text(tag, language_server);
if let Some(text) = maybe_text {
if text.contains('\n') {
format!("{label} \n{text}")
} else {
format!("{label} - {text}")
}
} else {
label
}
}
fn make_codeblock(text: &str) -> String {
if CODEBLOCK_RE.is_match(text) {
text.to_string()
} else {
format!("```\n{text}\n```")
}
}
/// Replace JSDoc like links (`{@link http://example.com}`) with markdown links
fn replace_links<S: AsRef<str>>(text: S) -> String {
JSDOC_LINKS_RE
.replace_all(text.as_ref(), |c: &Captures| match &c[1] {
"linkcode" => format!(
"[`{}`]({})",
if c.get(3).is_none() {
&c[2]
} else {
c[3].trim()
},
&c[2]
),
_ => format!(
"[{}]({})",
if c.get(3).is_none() {
&c[2]
} else {
c[3].trim()
},
&c[2]
),
})
.to_string()
}
fn parse_kind_modifier(kind_modifiers: &str) -> HashSet<&str> {
PART_KIND_MODIFIER_RE.split(kind_modifiers).collect()
}
#[derive(Debug, Deserialize)]
#[serde(untagged)]
pub enum OneOrMany<T> {
One(T),
Many(Vec<T>),
}
#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq)]
pub enum ScriptElementKind {
#[serde(rename = "")]
Unknown,
#[serde(rename = "warning")]
Warning,
#[serde(rename = "keyword")]
Keyword,
#[serde(rename = "script")]
ScriptElement,
#[serde(rename = "module")]
ModuleElement,
#[serde(rename = "class")]
ClassElement,
#[serde(rename = "local class")]
LocalClassElement,
#[serde(rename = "interface")]
InterfaceElement,
#[serde(rename = "type")]
TypeElement,
#[serde(rename = "enum")]
EnumElement,
#[serde(rename = "enum member")]
EnumMemberElement,
#[serde(rename = "var")]
VariableElement,
#[serde(rename = "local var")]
LocalVariableElement,
#[serde(rename = "function")]
FunctionElement,
#[serde(rename = "local function")]
LocalFunctionElement,
#[serde(rename = "method")]
MemberFunctionElement,
#[serde(rename = "getter")]
MemberGetAccessorElement,
#[serde(rename = "setter")]
MemberSetAccessorElement,
#[serde(rename = "property")]
MemberVariableElement,
#[serde(rename = "constructor")]
ConstructorImplementationElement,
#[serde(rename = "call")]
CallSignatureElement,
#[serde(rename = "index")]
IndexSignatureElement,
#[serde(rename = "construct")]
ConstructSignatureElement,
#[serde(rename = "parameter")]
ParameterElement,
#[serde(rename = "type parameter")]
TypeParameterElement,
#[serde(rename = "primitive type")]
PrimitiveType,
#[serde(rename = "label")]
Label,
#[serde(rename = "alias")]
Alias,
#[serde(rename = "const")]
ConstElement,
#[serde(rename = "let")]
LetElement,
#[serde(rename = "directory")]
Directory,
#[serde(rename = "external module name")]
ExternalModuleName,
#[serde(rename = "JSX attribute")]
JsxAttribute,
#[serde(rename = "string")]
String,
#[serde(rename = "link")]
Link,
#[serde(rename = "link name")]
LinkName,
#[serde(rename = "link text")]
LinkText,
}
impl Default for ScriptElementKind {
fn default() -> Self {
Self::Unknown
}
}
/// This mirrors the method `convertKind` in `completions.ts` in vscode
impl From<ScriptElementKind> for lsp::CompletionItemKind {
fn from(kind: ScriptElementKind) -> Self {
match kind {
ScriptElementKind::PrimitiveType | ScriptElementKind::Keyword => {
lsp::CompletionItemKind::KEYWORD
}
ScriptElementKind::ConstElement
| ScriptElementKind::LetElement
| ScriptElementKind::VariableElement
| ScriptElementKind::LocalVariableElement
| ScriptElementKind::Alias
| ScriptElementKind::ParameterElement => {
lsp::CompletionItemKind::VARIABLE
}
ScriptElementKind::MemberVariableElement
| ScriptElementKind::MemberGetAccessorElement
| ScriptElementKind::MemberSetAccessorElement => {
lsp::CompletionItemKind::FIELD
}
ScriptElementKind::FunctionElement
| ScriptElementKind::LocalFunctionElement => {
lsp::CompletionItemKind::FUNCTION
}
ScriptElementKind::MemberFunctionElement
| ScriptElementKind::ConstructSignatureElement
| ScriptElementKind::CallSignatureElement
| ScriptElementKind::IndexSignatureElement => {
lsp::CompletionItemKind::METHOD
}
ScriptElementKind::EnumElement => lsp::CompletionItemKind::ENUM,
ScriptElementKind::EnumMemberElement => {
lsp::CompletionItemKind::ENUM_MEMBER
}
ScriptElementKind::ModuleElement
| ScriptElementKind::ExternalModuleName => {
lsp::CompletionItemKind::MODULE
}
ScriptElementKind::ClassElement | ScriptElementKind::TypeElement => {
lsp::CompletionItemKind::CLASS
}
ScriptElementKind::InterfaceElement => lsp::CompletionItemKind::INTERFACE,
ScriptElementKind::Warning => lsp::CompletionItemKind::TEXT,
ScriptElementKind::ScriptElement => lsp::CompletionItemKind::FILE,
ScriptElementKind::Directory => lsp::CompletionItemKind::FOLDER,
ScriptElementKind::String => lsp::CompletionItemKind::CONSTANT,
_ => lsp::CompletionItemKind::PROPERTY,
}
}
}
/// This mirrors `fromProtocolScriptElementKind` in vscode
impl From<ScriptElementKind> for lsp::SymbolKind {
fn from(kind: ScriptElementKind) -> Self {
match kind {
ScriptElementKind::ModuleElement => Self::MODULE,
// this is only present in `getSymbolKind` in `workspaceSymbols` in
// vscode, but seems strange it isn't consistent.
ScriptElementKind::TypeElement => Self::CLASS,
ScriptElementKind::ClassElement => Self::CLASS,
ScriptElementKind::EnumElement => Self::ENUM,
ScriptElementKind::EnumMemberElement => Self::ENUM_MEMBER,
ScriptElementKind::InterfaceElement => Self::INTERFACE,
ScriptElementKind::IndexSignatureElement => Self::METHOD,
ScriptElementKind::CallSignatureElement => Self::METHOD,
ScriptElementKind::MemberFunctionElement => Self::METHOD,
// workspaceSymbols in vscode treats them as fields, which does seem more
// semantically correct while `fromProtocolScriptElementKind` treats them
// as properties.
ScriptElementKind::MemberVariableElement => Self::FIELD,
ScriptElementKind::MemberGetAccessorElement => Self::FIELD,
ScriptElementKind::MemberSetAccessorElement => Self::FIELD,
ScriptElementKind::VariableElement => Self::VARIABLE,
ScriptElementKind::LetElement => Self::VARIABLE,
ScriptElementKind::ConstElement => Self::VARIABLE,
ScriptElementKind::LocalVariableElement => Self::VARIABLE,
ScriptElementKind::Alias => Self::VARIABLE,
ScriptElementKind::FunctionElement => Self::FUNCTION,
ScriptElementKind::LocalFunctionElement => Self::FUNCTION,
ScriptElementKind::ConstructSignatureElement => Self::CONSTRUCTOR,
ScriptElementKind::ConstructorImplementationElement => Self::CONSTRUCTOR,
ScriptElementKind::TypeParameterElement => Self::TYPE_PARAMETER,
ScriptElementKind::String => Self::STRING,
_ => Self::VARIABLE,
}
}
}
#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
pub struct TextSpan {
pub start: u32,
pub length: u32,
}
impl TextSpan {
pub fn from_range(
range: &lsp::Range,
line_index: Arc<LineIndex>,
) -> Result<Self, AnyError> {
let start = line_index.offset_tsc(range.start)?;
let length = line_index.offset_tsc(range.end)? - start;
Ok(Self { start, length })
}
pub fn to_range(&self, line_index: Arc<LineIndex>) -> lsp::Range {
lsp::Range {
start: line_index.position_tsc(self.start.into()),
end: line_index.position_tsc(TextSize::from(self.start + self.length)),
}
}
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(rename_all = "camelCase")]
pub struct SymbolDisplayPart {
text: String,
kind: String,
// This is only on `JSDocLinkDisplayPart` which extends `SymbolDisplayPart`
// but is only used as an upcast of a `SymbolDisplayPart` and not explicitly
// returned by any API, so it is safe to add it as an optional value.
#[serde(skip_serializing_if = "Option::is_none")]
target: Option<DocumentSpan>,
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct JsDocTagInfo {
name: String,
text: Option<Vec<SymbolDisplayPart>>,
}
// Note: the tsc protocol contains fields that are part of the protocol but
// not currently used. They are commented out in the structures so it is clear
// that they exist.
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct QuickInfo {
// kind: ScriptElementKind,
// kind_modifiers: String,
text_span: TextSpan,
display_parts: Option<Vec<SymbolDisplayPart>>,
documentation: Option<Vec<SymbolDisplayPart>>,
tags: Option<Vec<JsDocTagInfo>>,
}
#[derive(Default)]
struct Link {
name: Option<String>,
target: Option<DocumentSpan>,
text: Option<String>,
linkcode: bool,
}
/// Takes `SymbolDisplayPart` items and converts them into a string, handling
/// any `{@link Symbol}` and `{@linkcode Symbol}` JSDoc tags and linking them
/// to the their source location.
fn display_parts_to_string(
parts: &[SymbolDisplayPart],
language_server: &language_server::Inner,
) -> String {
let mut out = Vec::<String>::new();
let mut current_link: Option<Link> = None;
for part in parts {
match part.kind.as_str() {
"link" => {
if let Some(link) = current_link.as_mut() {
if let Some(target) = &link.target {
if let Some(specifier) = target.to_target(language_server) {
let link_text = link.text.clone().unwrap_or_else(|| {
link
.name
.clone()
.map(|ref n| n.replace('`', "\\`"))
.unwrap_or_else(|| "".to_string())
});
let link_str = if link.linkcode {
format!("[`{link_text}`]({specifier})")
} else {
format!("[{link_text}]({specifier})")
};
out.push(link_str);
}
} else {
let maybe_text = link.text.clone().or_else(|| link.name.clone());
if let Some(text) = maybe_text {
if HTTP_RE.is_match(&text) {
let parts: Vec<&str> = text.split(' ').collect();
if parts.len() == 1 {
out.push(parts[0].to_string());
} else {
let link_text = parts[1..].join(" ").replace('`', "\\`");
let link_str = if link.linkcode {
format!("[`{}`]({})", link_text, parts[0])
} else {
format!("[{}]({})", link_text, parts[0])
};
out.push(link_str);
}
} else {
out.push(text.replace('`', "\\`"));
}
}
}
current_link = None;
} else {
current_link = Some(Link {
linkcode: part.text.as_str() == "{@linkcode ",
..Default::default()
});
}
}
"linkName" => {
if let Some(link) = current_link.as_mut() {
link.name = Some(part.text.clone());
link.target = part.target.clone();
}
}
"linkText" => {
if let Some(link) = current_link.as_mut() {
link.name = Some(part.text.clone());
}
}
_ => out.push(
// should decode percent-encoding string when hovering over the right edge of module specifier like below
// module "file:///path/to/🦕"
to_percent_decoded_str(&part.text),
// NOTE: The reason why an example above that lacks `.ts` extension is caused by the implementation of tsc itself.
// The request `tsc.request.getQuickInfoAtPosition` receives the payload from tsc host as follows.
// {
// text_span: {
// start: 19,
// length: 9,
// },
// displayParts:
// [
// {
// text: "module",
// kind: "keyword",
// target: null,
// },
// {
// text: " ",
// kind: "space",
// target: null,
// },
// {
// text: "\"file:///path/to/%F0%9F%A6%95\"",
// kind: "stringLiteral",
// target: null,
// },
// ],
// documentation: [],
// tags: null,
// }
//
// related issue: https://github.com/denoland/deno/issues/16058
),
}
}
replace_links(out.join(""))
}
impl QuickInfo {
pub fn to_hover(
&self,
line_index: Arc<LineIndex>,
language_server: &language_server::Inner,
) -> lsp::Hover {
let mut parts = Vec::<lsp::MarkedString>::new();
if let Some(display_string) = self
.display_parts
.clone()
.map(|p| display_parts_to_string(&p, language_server))
{
parts.push(lsp::MarkedString::from_language_code(
"typescript".to_string(),
display_string,
));
}
if let Some(documentation) = self
.documentation
.clone()
.map(|p| display_parts_to_string(&p, language_server))
{
parts.push(lsp::MarkedString::from_markdown(documentation));
}
if let Some(tags) = &self.tags {
let tags_preview = tags
.iter()
.map(|tag_info| get_tag_documentation(tag_info, language_server))
.collect::<Vec<String>>()
.join(" \n\n");
if !tags_preview.is_empty() {
parts.push(lsp::MarkedString::from_markdown(format!(
"\n\n{tags_preview}"
)));
}
}
lsp::Hover {
contents: lsp::HoverContents::Array(parts),
range: Some(self.text_span.to_range(line_index)),
}
}
}
#[derive(Debug, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct DocumentSpan {
text_span: TextSpan,
pub file_name: String,
original_text_span: Option<TextSpan>,
// original_file_name: Option<String>,
context_span: Option<TextSpan>,
original_context_span: Option<TextSpan>,
}
impl DocumentSpan {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.file_name = specifier_map.normalize(&self.file_name)?.to_string();
Ok(())
}
}
impl DocumentSpan {
pub fn to_link(
&self,
line_index: Arc<LineIndex>,
language_server: &language_server::Inner,
) -> Option<lsp::LocationLink> {
let target_specifier = resolve_url(&self.file_name).ok()?;
let target_asset_or_doc =
language_server.get_maybe_asset_or_document(&target_specifier)?;
let target_line_index = target_asset_or_doc.line_index();
let target_uri = language_server
.url_map
.normalize_specifier(&target_specifier)
.ok()?;
let (target_range, target_selection_range) =
if let Some(context_span) = &self.context_span {
(
context_span.to_range(target_line_index.clone()),
self.text_span.to_range(target_line_index),
)
} else {
(
self.text_span.to_range(target_line_index.clone()),
self.text_span.to_range(target_line_index),
)
};
let origin_selection_range =
if let Some(original_context_span) = &self.original_context_span {
Some(original_context_span.to_range(line_index))
} else {
self
.original_text_span
.as_ref()
.map(|original_text_span| original_text_span.to_range(line_index))
};
let link = lsp::LocationLink {
origin_selection_range,
target_uri: target_uri.into_url(),
target_range,
target_selection_range,
};
Some(link)
}
/// Convert the `DocumentSpan` into a specifier that can be sent to the client
/// to link to the target document span. Used for converting JSDoc symbol
/// links to markdown links.
fn to_target(
&self,
language_server: &language_server::Inner,
) -> Option<ModuleSpecifier> {
let specifier = resolve_url(&self.file_name).ok()?;
let asset_or_doc =
language_server.get_maybe_asset_or_document(&specifier)?;
let line_index = asset_or_doc.line_index();
let range = self.text_span.to_range(line_index);
let mut target = language_server
.url_map
.normalize_specifier(&specifier)
.ok()?
.into_url();
target.set_fragment(Some(&format!(
"L{},{}",
range.start.line + 1,
range.start.character + 1
)));
Some(target)
}
}
#[derive(Debug, Clone, Deserialize)]
pub enum MatchKind {
#[serde(rename = "exact")]
Exact,
#[serde(rename = "prefix")]
Prefix,
#[serde(rename = "substring")]
Substring,
#[serde(rename = "camelCase")]
CamelCase,
}
#[derive(Debug, Clone, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct NavigateToItem {
name: String,
kind: ScriptElementKind,
kind_modifiers: String,
// match_kind: MatchKind,
// is_case_sensitive: bool,
file_name: String,
text_span: TextSpan,
container_name: Option<String>,
// container_kind: ScriptElementKind,
}
impl NavigateToItem {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.file_name = specifier_map.normalize(&self.file_name)?.to_string();
Ok(())
}
}
impl NavigateToItem {
pub fn to_symbol_information(
&self,
language_server: &language_server::Inner,
) -> Option<lsp::SymbolInformation> {
let specifier = resolve_url(&self.file_name).ok()?;
let asset_or_doc =
language_server.get_asset_or_document(&specifier).ok()?;
let line_index = asset_or_doc.line_index();
let uri = language_server
.url_map
.normalize_specifier(&specifier)
.ok()?;
let range = self.text_span.to_range(line_index);
let location = lsp::Location {
uri: uri.into_url(),
range,
};
let mut tags: Option<Vec<lsp::SymbolTag>> = None;
let kind_modifiers = parse_kind_modifier(&self.kind_modifiers);
if kind_modifiers.contains("deprecated") {
tags = Some(vec![lsp::SymbolTag::DEPRECATED]);
}
// The field `deprecated` is deprecated but SymbolInformation does not have
// a default, therefore we have to supply the deprecated deprecated
// field. It is like a bad version of Inception.
#[allow(deprecated)]
Some(lsp::SymbolInformation {
name: self.name.clone(),
kind: self.kind.clone().into(),
tags,
deprecated: None,
location,
container_name: self.container_name.clone(),
})
}
}
#[derive(Debug, Clone, Deserialize)]
pub enum InlayHintKind {
Type,
Parameter,
Enum,
}
impl InlayHintKind {
pub fn to_lsp(&self) -> Option<lsp::InlayHintKind> {
match self {
Self::Enum => None,
Self::Parameter => Some(lsp::InlayHintKind::PARAMETER),
Self::Type => Some(lsp::InlayHintKind::TYPE),
}
}
}
#[derive(Debug, Clone, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct InlayHint {
pub text: String,
pub position: u32,
pub kind: InlayHintKind,
pub whitespace_before: Option<bool>,
pub whitespace_after: Option<bool>,
}
impl InlayHint {
pub fn to_lsp(&self, line_index: Arc<LineIndex>) -> lsp::InlayHint {
lsp::InlayHint {
position: line_index.position_tsc(self.position.into()),
label: lsp::InlayHintLabel::String(self.text.clone()),
kind: self.kind.to_lsp(),
padding_left: self.whitespace_before,
padding_right: self.whitespace_after,
text_edits: None,
tooltip: None,
data: None,
}
}
}
#[derive(Debug, Clone, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct NavigationTree {
pub text: String,
pub kind: ScriptElementKind,
pub kind_modifiers: String,
pub spans: Vec<TextSpan>,
pub name_span: Option<TextSpan>,
pub child_items: Option<Vec<NavigationTree>>,
}
impl NavigationTree {
pub fn to_code_lens(
&self,
line_index: Arc<LineIndex>,
specifier: &ModuleSpecifier,
source: &code_lens::CodeLensSource,
) -> lsp::CodeLens {
let range = if let Some(name_span) = &self.name_span {
name_span.to_range(line_index)
} else if !self.spans.is_empty() {
let span = &self.spans[0];
span.to_range(line_index)
} else {
lsp::Range::default()
};
lsp::CodeLens {
range,
command: None,
data: Some(json!({
"specifier": specifier,
"source": source
})),
}
}
pub fn collect_document_symbols(
&self,
line_index: Arc<LineIndex>,
document_symbols: &mut Vec<lsp::DocumentSymbol>,
) -> bool {
let mut should_include = self.should_include_entry();
if !should_include
&& self
.child_items
.as_ref()
.map(|v| v.is_empty())
.unwrap_or(true)
{
return false;
}
let children = self
.child_items
.as_deref()
.unwrap_or(&[] as &[NavigationTree]);
for span in self.spans.iter() {
let range = TextRange::at(span.start.into(), span.length.into());
let mut symbol_children = Vec::<lsp::DocumentSymbol>::new();
for child in children.iter() {
let should_traverse_child = child
.spans
.iter()
.map(|child_span| {
TextRange::at(child_span.start.into(), child_span.length.into())
})
.any(|child_range| range.intersect(child_range).is_some());
if should_traverse_child {
let included_child = child
.collect_document_symbols(line_index.clone(), &mut symbol_children);
should_include = should_include || included_child;
}
}
if should_include {
let mut selection_span = span;
if let Some(name_span) = self.name_span.as_ref() {
let name_range =
TextRange::at(name_span.start.into(), name_span.length.into());
if range.contains_range(name_range) {
selection_span = name_span;
}
}
let name = match self.kind {
ScriptElementKind::MemberGetAccessorElement => {
format!("(get) {}", self.text)
}
ScriptElementKind::MemberSetAccessorElement => {
format!("(set) {}", self.text)
}
_ => self.text.clone(),
};
let mut tags: Option<Vec<lsp::SymbolTag>> = None;
let kind_modifiers = parse_kind_modifier(&self.kind_modifiers);
if kind_modifiers.contains("deprecated") {
tags = Some(vec![lsp::SymbolTag::DEPRECATED]);
}
let children = if !symbol_children.is_empty() {
Some(symbol_children)
} else {
None
};
// The field `deprecated` is deprecated but DocumentSymbol does not have
// a default, therefore we have to supply the deprecated deprecated
// field. It is like a bad version of Inception.
#[allow(deprecated)]
document_symbols.push(lsp::DocumentSymbol {
name,
kind: self.kind.clone().into(),
range: span.to_range(line_index.clone()),
selection_range: selection_span.to_range(line_index.clone()),
tags,
children,
detail: None,
deprecated: None,
})
}
}
should_include
}
fn should_include_entry(&self) -> bool {
if let ScriptElementKind::Alias = self.kind {
return false;
}
!self.text.is_empty() && self.text != "<function>" && self.text != "<class>"
}
pub fn walk<F>(&self, callback: &F)
where
F: Fn(&NavigationTree, Option<&NavigationTree>),
{
callback(self, None);
if let Some(child_items) = &self.child_items {
for child in child_items {
child.walk_child(callback, self);
}
}
}
fn walk_child<F>(&self, callback: &F, parent: &NavigationTree)
where
F: Fn(&NavigationTree, Option<&NavigationTree>),
{
callback(self, Some(parent));
if let Some(child_items) = &self.child_items {
for child in child_items {
child.walk_child(callback, self);
}
}
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct ImplementationLocation {
#[serde(flatten)]
pub document_span: DocumentSpan,
// ImplementationLocation props
// kind: ScriptElementKind,
// display_parts: Vec<SymbolDisplayPart>,
}
impl ImplementationLocation {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.document_span.normalize(specifier_map)?;
Ok(())
}
pub fn to_location(
&self,
line_index: Arc<LineIndex>,
language_server: &language_server::Inner,
) -> lsp::Location {
let specifier = resolve_url(&self.document_span.file_name)
.unwrap_or_else(|_| ModuleSpecifier::parse("deno://invalid").unwrap());
let uri = language_server
.url_map
.normalize_specifier(&specifier)
.unwrap_or_else(|_| {
LspClientUrl::new(ModuleSpecifier::parse("deno://invalid").unwrap())
});
lsp::Location {
uri: uri.into_url(),
range: self.document_span.text_span.to_range(line_index),
}
}
pub fn to_link(
&self,
line_index: Arc<LineIndex>,
language_server: &language_server::Inner,
) -> Option<lsp::LocationLink> {
self.document_span.to_link(line_index, language_server)
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct RenameLocation {
#[serde(flatten)]
document_span: DocumentSpan,
// RenameLocation props
// prefix_text: Option<String>,
// suffix_text: Option<String>,
}
impl RenameLocation {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.document_span.normalize(specifier_map)?;
Ok(())
}
}
pub struct RenameLocations {
pub locations: Vec<RenameLocation>,
}
impl RenameLocations {
pub fn into_workspace_edit(
self,
new_name: &str,
language_server: &language_server::Inner,
) -> Result<lsp::WorkspaceEdit, AnyError> {
let mut text_document_edit_map: HashMap<
LspClientUrl,
lsp::TextDocumentEdit,
> = HashMap::new();
let mut includes_non_files = false;
for location in self.locations.iter() {
let specifier = resolve_url(&location.document_span.file_name)?;
if specifier.scheme() != "file" {
includes_non_files = true;
continue;
}
let uri = language_server.url_map.normalize_specifier(&specifier)?;
let asset_or_doc = language_server.get_asset_or_document(&specifier)?;
// ensure TextDocumentEdit for `location.file_name`.
if text_document_edit_map.get(&uri).is_none() {
text_document_edit_map.insert(
uri.clone(),
lsp::TextDocumentEdit {
text_document: lsp::OptionalVersionedTextDocumentIdentifier {
uri: uri.as_url().clone(),
version: asset_or_doc.document_lsp_version(),
},
edits:
Vec::<lsp::OneOf<lsp::TextEdit, lsp::AnnotatedTextEdit>>::new(),
},
);
}
// push TextEdit for ensured `TextDocumentEdit.edits`.
let document_edit = text_document_edit_map.get_mut(&uri).unwrap();
document_edit.edits.push(lsp::OneOf::Left(lsp::TextEdit {
range: location
.document_span
.text_span
.to_range(asset_or_doc.line_index()),
new_text: new_name.to_string(),
}));
}
if includes_non_files {
language_server.client.show_message(lsp::MessageType::WARNING, "The renamed symbol had references in non-file schemed modules. These have not been modified.");
}
Ok(lsp::WorkspaceEdit {
change_annotations: None,
changes: None,
document_changes: Some(lsp::DocumentChanges::Edits(
text_document_edit_map.values().cloned().collect(),
)),
})
}
}
#[derive(Debug, Deserialize)]
pub enum HighlightSpanKind {
#[serde(rename = "none")]
None,
#[serde(rename = "definition")]
Definition,
#[serde(rename = "reference")]
Reference,
#[serde(rename = "writtenReference")]
WrittenReference,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct HighlightSpan {
// file_name: Option<String>,
// is_in_string: Option<bool>,
text_span: TextSpan,
// context_span: Option<TextSpan>,
kind: HighlightSpanKind,
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct DefinitionInfo {
// kind: ScriptElementKind,
// name: String,
// container_kind: Option<ScriptElementKind>,
// container_name: Option<String>,
#[serde(flatten)]
pub document_span: DocumentSpan,
}
impl DefinitionInfo {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.document_span.normalize(specifier_map)?;
Ok(())
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct DefinitionInfoAndBoundSpan {
pub definitions: Option<Vec<DefinitionInfo>>,
// text_span: TextSpan,
}
impl DefinitionInfoAndBoundSpan {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
for definition in self.definitions.iter_mut().flatten() {
definition.normalize(specifier_map)?;
}
Ok(())
}
pub fn to_definition(
&self,
line_index: Arc<LineIndex>,
language_server: &language_server::Inner,
) -> Option<lsp::GotoDefinitionResponse> {
if let Some(definitions) = &self.definitions {
let mut location_links = Vec::<lsp::LocationLink>::new();
for di in definitions {
if let Some(link) = di
.document_span
.to_link(line_index.clone(), language_server)
{
location_links.push(link);
}
}
Some(lsp::GotoDefinitionResponse::Link(location_links))
} else {
None
}
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct DocumentHighlights {
// file_name: String,
highlight_spans: Vec<HighlightSpan>,
}
impl DocumentHighlights {
pub fn to_highlight(
&self,
line_index: Arc<LineIndex>,
) -> Vec<lsp::DocumentHighlight> {
self
.highlight_spans
.iter()
.map(|hs| lsp::DocumentHighlight {
range: hs.text_span.to_range(line_index.clone()),
kind: match hs.kind {
HighlightSpanKind::WrittenReference => {
Some(lsp::DocumentHighlightKind::WRITE)
}
_ => Some(lsp::DocumentHighlightKind::READ),
},
})
.collect()
}
}
#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
pub struct TextChange {
pub span: TextSpan,
pub new_text: String,
}
impl TextChange {
pub fn as_text_edit(&self, line_index: Arc<LineIndex>) -> lsp::TextEdit {
lsp::TextEdit {
range: self.span.to_range(line_index),
new_text: self.new_text.clone(),
}
}
pub fn as_text_or_annotated_text_edit(
&self,
line_index: Arc<LineIndex>,
) -> lsp::OneOf<lsp::TextEdit, lsp::AnnotatedTextEdit> {
lsp::OneOf::Left(lsp::TextEdit {
range: self.span.to_range(line_index),
new_text: self.new_text.clone(),
})
}
}
#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
pub struct FileTextChanges {
pub file_name: String,
pub text_changes: Vec<TextChange>,
#[serde(skip_serializing_if = "Option::is_none")]
pub is_new_file: Option<bool>,
}
impl FileTextChanges {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.file_name = specifier_map.normalize(&self.file_name)?.to_string();
Ok(())
}
pub fn to_text_document_edit(
&self,
language_server: &language_server::Inner,
) -> Result<lsp::TextDocumentEdit, AnyError> {
let specifier = resolve_url(&self.file_name)?;
let asset_or_doc = language_server.get_asset_or_document(&specifier)?;
let edits = self
.text_changes
.iter()
.map(|tc| tc.as_text_or_annotated_text_edit(asset_or_doc.line_index()))
.collect();
Ok(lsp::TextDocumentEdit {
text_document: lsp::OptionalVersionedTextDocumentIdentifier {
uri: specifier,
version: asset_or_doc.document_lsp_version(),
},
edits,
})
}
pub fn to_text_document_change_ops(
&self,
language_server: &language_server::Inner,
) -> Result<Vec<lsp::DocumentChangeOperation>, AnyError> {
let mut ops = Vec::<lsp::DocumentChangeOperation>::new();
let specifier = resolve_url(&self.file_name)?;
let maybe_asset_or_document = if !self.is_new_file.unwrap_or(false) {
let asset_or_doc = language_server.get_asset_or_document(&specifier)?;
Some(asset_or_doc)
} else {
None
};
let line_index = maybe_asset_or_document
.as_ref()
.map(|d| d.line_index())
.unwrap_or_else(|| Arc::new(LineIndex::new("")));
if self.is_new_file.unwrap_or(false) {
ops.push(lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Create(
lsp::CreateFile {
uri: specifier.clone(),
options: Some(lsp::CreateFileOptions {
ignore_if_exists: Some(true),
overwrite: None,
}),
annotation_id: None,
},
)));
}
let edits = self
.text_changes
.iter()
.map(|tc| tc.as_text_or_annotated_text_edit(line_index.clone()))
.collect();
ops.push(lsp::DocumentChangeOperation::Edit(lsp::TextDocumentEdit {
text_document: lsp::OptionalVersionedTextDocumentIdentifier {
uri: specifier,
version: maybe_asset_or_document.and_then(|d| d.document_lsp_version()),
},
edits,
}));
Ok(ops)
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Classifications {
spans: Vec<u32>,
}
impl Classifications {
pub fn to_semantic_tokens(
&self,
line_index: Arc<LineIndex>,
) -> LspResult<lsp::SemanticTokens> {
// https://github.com/microsoft/vscode/blob/1.89.0/extensions/typescript-language-features/src/languageFeatures/semanticTokens.ts#L89-L115
let token_count = self.spans.len() / 3;
let mut builder = SemanticTokensBuilder::new();
for i in 0..token_count {
let src_offset = 3 * i;
let offset = self.spans[src_offset];
let length = self.spans[src_offset + 1];
let ts_classification = self.spans[src_offset + 2];
let token_type =
Classifications::get_token_type_from_classification(ts_classification);
let token_modifiers =
Classifications::get_token_modifier_from_classification(
ts_classification,
);
let start_pos = line_index.position_tsc(offset.into());
let end_pos = line_index.position_tsc(TextSize::from(offset + length));
for line in start_pos.line..(end_pos.line + 1) {
let start_character = if line == start_pos.line {
start_pos.character
} else {
0
};
let end_character = if line == end_pos.line {
end_pos.character
} else {
line_index.line_length_utf16(line).into()
};
builder.push(
line,
start_character,
end_character - start_character,
token_type,
token_modifiers,
);
}
}
Ok(builder.build(None))
}
fn get_token_type_from_classification(ts_classification: u32) -> u32 {
assert!(ts_classification > semantic_tokens::MODIFIER_MASK);
(ts_classification >> semantic_tokens::TYPE_OFFSET) - 1
}
fn get_token_modifier_from_classification(ts_classification: u32) -> u32 {
ts_classification & semantic_tokens::MODIFIER_MASK
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct RefactorActionInfo {
name: String,
description: String,
#[serde(skip_serializing_if = "Option::is_none")]
not_applicable_reason: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
kind: Option<String>,
}
impl RefactorActionInfo {
pub fn get_action_kind(&self) -> lsp::CodeActionKind {
if let Some(kind) = &self.kind {
kind.clone().into()
} else {
let maybe_match = ALL_KNOWN_REFACTOR_ACTION_KINDS
.iter()
.find(|action| action.matches(&self.name));
maybe_match
.map(|action| action.kind.clone())
.unwrap_or(lsp::CodeActionKind::REFACTOR)
}
}
pub fn is_preferred(&self, all_actions: &[RefactorActionInfo]) -> bool {
if EXTRACT_CONSTANT.matches(&self.name) {
let get_scope = |name: &str| -> Option<u32> {
if let Some(captures) = SCOPE_RE.captures(name) {
captures[1].parse::<u32>().ok()
} else {
None
}
};
return if let Some(scope) = get_scope(&self.name) {
all_actions
.iter()
.filter(|other| {
!std::ptr::eq(&self, other) && EXTRACT_CONSTANT.matches(&other.name)
})
.all(|other| {
if let Some(other_scope) = get_scope(&other.name) {
scope < other_scope
} else {
true
}
})
} else {
false
};
}
if EXTRACT_TYPE.matches(&self.name) || EXTRACT_INTERFACE.matches(&self.name)
{
return true;
}
false
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct ApplicableRefactorInfo {
name: String,
// description: String,
// #[serde(skip_serializing_if = "Option::is_none")]
// inlineable: Option<bool>,
actions: Vec<RefactorActionInfo>,
}
impl ApplicableRefactorInfo {
pub fn to_code_actions(
&self,
specifier: &ModuleSpecifier,
range: &lsp::Range,
) -> Vec<lsp::CodeAction> {
let mut code_actions = Vec::<lsp::CodeAction>::new();
// All typescript refactoring actions are inlineable
for action in self.actions.iter() {
code_actions
.push(self.as_inline_code_action(action, specifier, range, &self.name));
}
code_actions
}
fn as_inline_code_action(
&self,
action: &RefactorActionInfo,
specifier: &ModuleSpecifier,
range: &lsp::Range,
refactor_name: &str,
) -> lsp::CodeAction {
let disabled = action.not_applicable_reason.as_ref().map(|reason| {
lsp::CodeActionDisabled {
reason: reason.clone(),
}
});
lsp::CodeAction {
title: action.description.to_string(),
kind: Some(action.get_action_kind()),
is_preferred: Some(action.is_preferred(&self.actions)),
disabled,
data: Some(
serde_json::to_value(RefactorCodeActionData {
specifier: specifier.clone(),
range: *range,
refactor_name: refactor_name.to_owned(),
action_name: action.name.clone(),
})
.unwrap(),
),
..Default::default()
}
}
}
pub fn file_text_changes_to_workspace_edit(
changes: &[FileTextChanges],
language_server: &language_server::Inner,
) -> LspResult<Option<lsp::WorkspaceEdit>> {
let mut all_ops = Vec::<lsp::DocumentChangeOperation>::new();
for change in changes {
let ops = match change.to_text_document_change_ops(language_server) {
Ok(op) => op,
Err(err) => {
error!("Unable to convert changes to edits: {}", err);
return Err(LspError::internal_error());
}
};
all_ops.extend(ops);
}
Ok(Some(lsp::WorkspaceEdit {
document_changes: Some(lsp::DocumentChanges::Operations(all_ops)),
..Default::default()
}))
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct RefactorEditInfo {
edits: Vec<FileTextChanges>,
#[serde(skip_serializing_if = "Option::is_none")]
pub rename_location: Option<u32>,
}
impl RefactorEditInfo {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
for changes in &mut self.edits {
changes.normalize(specifier_map)?;
}
Ok(())
}
pub fn to_workspace_edit(
&self,
language_server: &language_server::Inner,
) -> LspResult<Option<lsp::WorkspaceEdit>> {
file_text_changes_to_workspace_edit(&self.edits, language_server)
}
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct CodeAction {
description: String,
changes: Vec<FileTextChanges>,
#[serde(skip_serializing_if = "Option::is_none")]
commands: Option<Vec<Value>>,
}
impl CodeAction {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
for changes in &mut self.changes {
changes.normalize(specifier_map)?;
}
Ok(())
}
}
#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
pub struct CodeFixAction {
pub description: String,
pub changes: Vec<FileTextChanges>,
// These are opaque types that should just be passed back when applying the
// action.
#[serde(skip_serializing_if = "Option::is_none")]
pub commands: Option<Vec<Value>>,
pub fix_name: String,
// It appears currently that all fixIds are strings, but the protocol
// specifies an opaque type, the problem is that we need to use the id as a
// hash key, and `Value` does not implement hash (and it could provide a false
// positive depending on JSON whitespace, so we deserialize it but it might
// break in the future)
#[serde(skip_serializing_if = "Option::is_none")]
pub fix_id: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub fix_all_description: Option<String>,
}
impl CodeFixAction {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
for changes in &mut self.changes {
changes.normalize(specifier_map)?;
}
Ok(())
}
}
#[derive(Debug, Clone, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CombinedCodeActions {
pub changes: Vec<FileTextChanges>,
pub commands: Option<Vec<Value>>,
}
impl CombinedCodeActions {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
for changes in &mut self.changes {
changes.normalize(specifier_map)?;
}
Ok(())
}
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ReferencedSymbol {
pub definition: ReferencedSymbolDefinitionInfo,
pub references: Vec<ReferencedSymbolEntry>,
}
impl ReferencedSymbol {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.definition.normalize(specifier_map)?;
for reference in &mut self.references {
reference.normalize(specifier_map)?;
}
Ok(())
}
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ReferencedSymbolDefinitionInfo {
#[serde(flatten)]
pub definition_info: DefinitionInfo,
}
impl ReferencedSymbolDefinitionInfo {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.definition_info.normalize(specifier_map)?;
Ok(())
}
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ReferencedSymbolEntry {
#[serde(default)]
pub is_definition: bool,
#[serde(flatten)]
pub entry: ReferenceEntry,
}
impl ReferencedSymbolEntry {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.entry.normalize(specifier_map)?;
Ok(())
}
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ReferenceEntry {
// is_write_access: bool,
// is_in_string: Option<bool>,
#[serde(flatten)]
pub document_span: DocumentSpan,
}
impl ReferenceEntry {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.document_span.normalize(specifier_map)?;
Ok(())
}
}
impl ReferenceEntry {
pub fn to_location(
&self,
line_index: Arc<LineIndex>,
url_map: &LspUrlMap,
) -> lsp::Location {
let specifier = resolve_url(&self.document_span.file_name)
.unwrap_or_else(|_| INVALID_SPECIFIER.clone());
let uri = url_map
.normalize_specifier(&specifier)
.unwrap_or_else(|_| LspClientUrl::new(INVALID_SPECIFIER.clone()));
lsp::Location {
uri: uri.into_url(),
range: self.document_span.text_span.to_range(line_index),
}
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CallHierarchyItem {
name: String,
kind: ScriptElementKind,
#[serde(skip_serializing_if = "Option::is_none")]
kind_modifiers: Option<String>,
file: String,
span: TextSpan,
selection_span: TextSpan,
#[serde(skip_serializing_if = "Option::is_none")]
container_name: Option<String>,
}
impl CallHierarchyItem {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.file = specifier_map.normalize(&self.file)?.to_string();
Ok(())
}
pub fn try_resolve_call_hierarchy_item(
&self,
language_server: &language_server::Inner,
maybe_root_path: Option<&Path>,
) -> Option<lsp::CallHierarchyItem> {
let target_specifier = resolve_url(&self.file).ok()?;
let target_asset_or_doc =
language_server.get_maybe_asset_or_document(&target_specifier)?;
Some(self.to_call_hierarchy_item(
target_asset_or_doc.line_index(),
language_server,
maybe_root_path,
))
}
pub fn to_call_hierarchy_item(
&self,
line_index: Arc<LineIndex>,
language_server: &language_server::Inner,
maybe_root_path: Option<&Path>,
) -> lsp::CallHierarchyItem {
let target_specifier =
resolve_url(&self.file).unwrap_or_else(|_| INVALID_SPECIFIER.clone());
let uri = language_server
.url_map
.normalize_specifier(&target_specifier)
.unwrap_or_else(|_| LspClientUrl::new(INVALID_SPECIFIER.clone()));
let use_file_name = self.is_source_file_item();
let maybe_file_path = if uri.as_url().scheme() == "file" {
specifier_to_file_path(uri.as_url()).ok()
} else {
None
};
let name = if use_file_name {
if let Some(file_path) = maybe_file_path.as_ref() {
file_path.file_name().unwrap().to_string_lossy().to_string()
} else {
uri.as_str().to_string()
}
} else {
self.name.clone()
};
let detail = if use_file_name {
if let Some(file_path) = maybe_file_path.as_ref() {
// TODO: update this to work with multi root workspaces
let parent_dir = file_path.parent().unwrap();
if let Some(root_path) = maybe_root_path {
parent_dir
.strip_prefix(root_path)
.unwrap_or(parent_dir)
.to_string_lossy()
.to_string()
} else {
parent_dir.to_string_lossy().to_string()
}
} else {
String::new()
}
} else {
self.container_name.as_ref().cloned().unwrap_or_default()
};
let mut tags: Option<Vec<lsp::SymbolTag>> = None;
if let Some(modifiers) = self.kind_modifiers.as_ref() {
let kind_modifiers = parse_kind_modifier(modifiers);
if kind_modifiers.contains("deprecated") {
tags = Some(vec![lsp::SymbolTag::DEPRECATED]);
}
}
lsp::CallHierarchyItem {
name,
tags,
uri: uri.into_url(),
detail: Some(detail),
kind: self.kind.clone().into(),
range: self.span.to_range(line_index.clone()),
selection_range: self.selection_span.to_range(line_index),
data: None,
}
}
fn is_source_file_item(&self) -> bool {
self.kind == ScriptElementKind::ScriptElement
|| self.kind == ScriptElementKind::ModuleElement
&& self.selection_span.start == 0
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CallHierarchyIncomingCall {
from: CallHierarchyItem,
from_spans: Vec<TextSpan>,
}
impl CallHierarchyIncomingCall {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.from.normalize(specifier_map)?;
Ok(())
}
pub fn try_resolve_call_hierarchy_incoming_call(
&self,
language_server: &language_server::Inner,
maybe_root_path: Option<&Path>,
) -> Option<lsp::CallHierarchyIncomingCall> {
let target_specifier = resolve_url(&self.from.file).ok()?;
let target_asset_or_doc =
language_server.get_maybe_asset_or_document(&target_specifier)?;
Some(lsp::CallHierarchyIncomingCall {
from: self.from.to_call_hierarchy_item(
target_asset_or_doc.line_index(),
language_server,
maybe_root_path,
),
from_ranges: self
.from_spans
.iter()
.map(|span| span.to_range(target_asset_or_doc.line_index()))
.collect(),
})
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CallHierarchyOutgoingCall {
to: CallHierarchyItem,
from_spans: Vec<TextSpan>,
}
impl CallHierarchyOutgoingCall {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
self.to.normalize(specifier_map)?;
Ok(())
}
pub fn try_resolve_call_hierarchy_outgoing_call(
&self,
line_index: Arc<LineIndex>,
language_server: &language_server::Inner,
maybe_root_path: Option<&Path>,
) -> Option<lsp::CallHierarchyOutgoingCall> {
let target_specifier = resolve_url(&self.to.file).ok()?;
let target_asset_or_doc =
language_server.get_maybe_asset_or_document(&target_specifier)?;
Some(lsp::CallHierarchyOutgoingCall {
to: self.to.to_call_hierarchy_item(
target_asset_or_doc.line_index(),
language_server,
maybe_root_path,
),
from_ranges: self
.from_spans
.iter()
.map(|span| span.to_range(line_index.clone()))
.collect(),
})
}
}
/// Used to convert completion code actions into a command and additional text
/// edits to pass in the completion item.
fn parse_code_actions(
maybe_code_actions: Option<&Vec<CodeAction>>,
data: &CompletionItemData,
specifier: &ModuleSpecifier,
language_server: &language_server::Inner,
) -> Result<(Option<lsp::Command>, Option<Vec<lsp::TextEdit>>), AnyError> {
if let Some(code_actions) = maybe_code_actions {
let mut additional_text_edits: Vec<lsp::TextEdit> = Vec::new();
let mut has_remaining_commands_or_edits = false;
for ts_action in code_actions {
if ts_action.commands.is_some() {
has_remaining_commands_or_edits = true;
}
let asset_or_doc =
language_server.get_asset_or_document(&data.specifier)?;
for change in &ts_action.changes {
if data.specifier.as_str() == change.file_name {
additional_text_edits.extend(change.text_changes.iter().map(|tc| {
let mut text_edit = tc.as_text_edit(asset_or_doc.line_index());
if let Some(specifier_rewrite) = &data.specifier_rewrite {
text_edit.new_text = text_edit
.new_text
.replace(&specifier_rewrite.0, &specifier_rewrite.1);
}
text_edit
}));
} else {
has_remaining_commands_or_edits = true;
}
}
}
let mut command: Option<lsp::Command> = None;
if has_remaining_commands_or_edits {
let actions: Vec<Value> = code_actions
.iter()
.map(|ca| {
let changes: Vec<FileTextChanges> = ca
.changes
.clone()
.into_iter()
.filter(|ch| ch.file_name == data.specifier.as_str())
.collect();
json!({
"commands": ca.commands,
"description": ca.description,
"changes": changes,
})
})
.collect();
command = Some(lsp::Command {
title: "".to_string(),
command: "_typescript.applyCompletionCodeAction".to_string(),
arguments: Some(vec![json!(specifier.to_string()), json!(actions)]),
});
}
if additional_text_edits.is_empty() {
Ok((command, None))
} else {
Ok((command, Some(additional_text_edits)))
}
} else {
Ok((None, None))
}
}
// Based on https://github.com/microsoft/vscode/blob/1.81.1/extensions/typescript-language-features/src/languageFeatures/util/snippetForFunctionCall.ts#L49.
fn get_parameters_from_parts(parts: &[SymbolDisplayPart]) -> Vec<String> {
let mut parameters = Vec::with_capacity(3);
let mut is_in_fn = false;
let mut paren_count = 0;
let mut brace_count = 0;
for (idx, part) in parts.iter().enumerate() {
if ["methodName", "functionName", "text", "propertyName"]
.contains(&part.kind.as_str())
{
if paren_count == 0 && brace_count == 0 {
is_in_fn = true;
}
} else if part.kind == "parameterName" {
if paren_count == 1 && brace_count == 0 && is_in_fn {
let is_optional =
matches!(parts.get(idx + 1), Some(next) if next.text == "?");
// Skip `this` and optional parameters.
if !is_optional && part.text != "this" {
parameters.push(format!(
"${{{}:{}}}",
parameters.len() + 1,
&part.text
));
}
}
} else if part.kind == "punctuation" {
if part.text == "(" {
paren_count += 1;
} else if part.text == ")" {
paren_count -= 1;
if paren_count <= 0 && is_in_fn {
break;
}
} else if part.text == "..." && paren_count == 1 {
// Found rest parameter. Do not fill in any further arguments.
break;
} else if part.text == "{" {
brace_count += 1;
} else if part.text == "}" {
brace_count -= 1;
}
}
}
parameters
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct CompletionEntryDetails {
display_parts: Vec<SymbolDisplayPart>,
documentation: Option<Vec<SymbolDisplayPart>>,
#[serde(skip_serializing_if = "Option::is_none")]
tags: Option<Vec<JsDocTagInfo>>,
name: String,
kind: ScriptElementKind,
kind_modifiers: String,
#[serde(skip_serializing_if = "Option::is_none")]
code_actions: Option<Vec<CodeAction>>,
#[serde(skip_serializing_if = "Option::is_none")]
source_display: Option<Vec<SymbolDisplayPart>>,
}
impl CompletionEntryDetails {
fn normalize(
&mut self,
specifier_map: &TscSpecifierMap,
) -> Result<(), AnyError> {
for action in self.code_actions.iter_mut().flatten() {
action.normalize(specifier_map)?;
}
Ok(())
}
pub fn as_completion_item(
&self,
original_item: &lsp::CompletionItem,
data: &CompletionItemData,
specifier: &ModuleSpecifier,
language_server: &language_server::Inner,
) -> Result<lsp::CompletionItem, AnyError> {
let detail = if original_item.detail.is_some() {
original_item.detail.clone()
} else if !self.display_parts.is_empty() {
Some(replace_links(display_parts_to_string(
&self.display_parts,
language_server,
)))
} else {
None
};
let documentation = if let Some(parts) = &self.documentation {
let mut value = display_parts_to_string(parts, language_server);
if let Some(tags) = &self.tags {
let tag_documentation = tags
.iter()
.map(|tag_info| get_tag_documentation(tag_info, language_server))
.collect::<Vec<String>>()
.join("");
value = format!("{value}\n\n{tag_documentation}");
}
Some(lsp::Documentation::MarkupContent(lsp::MarkupContent {
kind: lsp::MarkupKind::Markdown,
value,
}))
} else {
None
};
let mut text_edit = original_item.text_edit.clone();
if let Some(specifier_rewrite) = &data.specifier_rewrite {
if let Some(text_edit) = &mut text_edit {
match text_edit {
lsp::CompletionTextEdit::Edit(text_edit) => {
text_edit.new_text = text_edit
.new_text
.replace(&specifier_rewrite.0, &specifier_rewrite.1);
}
lsp::CompletionTextEdit::InsertAndReplace(insert_replace_edit) => {
insert_replace_edit.new_text = insert_replace_edit
.new_text
.replace(&specifier_rewrite.0, &specifier_rewrite.1);
}
}
}
}
let (command, additional_text_edits) = parse_code_actions(
self.code_actions.as_ref(),
data,
specifier,
language_server,
)?;
let mut insert_text_format = original_item.insert_text_format;
let insert_text = if data.use_code_snippet {
insert_text_format = Some(lsp::InsertTextFormat::SNIPPET);
Some(format!(
"{}({})",
original_item
.insert_text
.as_ref()
.unwrap_or(&original_item.label),
get_parameters_from_parts(&self.display_parts).join(", "),
))
} else {
original_item.insert_text.clone()
};
Ok(lsp::CompletionItem {
data: None,
detail,
documentation,
command,
text_edit,
additional_text_edits,
insert_text,
insert_text_format,
// NOTE(bartlomieju): it's not entirely clear to me why we need to do that,
// but when `completionItem/resolve` is called, we get a list of commit chars
// even though we might have returned an empty list in `completion` request.
commit_characters: None,
..original_item.clone()
})
}
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct CompletionInfo {
entries: Vec<CompletionEntry>,
// this is only used by Microsoft's telemetrics, which Deno doesn't use and
// there are issues with the value not matching the type definitions.
// flags: Option<CompletionInfoFlags>,
is_global_completion: bool,
is_member_completion: bool,
is_new_identifier_location: bool,
metadata: Option<Value>,
optional_replacement_span: Option<TextSpan>,
}
impl CompletionInfo {
pub fn as_completion_response(
&self,
line_index: Arc<LineIndex>,
settings: &config::CompletionSettings,
specifier: &ModuleSpecifier,
position: u32,
language_server: &language_server::Inner,
) -> lsp::CompletionResponse {
let items = self
.entries
.iter()
.flat_map(|entry| {
entry.as_completion_item(
line_index.clone(),
self,
settings,
specifier,
position,
language_server,
)
})
.collect();
let is_incomplete = self
.metadata
.clone()
.map(|v| {
v.as_object()
.unwrap()
.get("isIncomplete")
.unwrap_or(&json!(false))
.as_bool()
.unwrap()
})
.unwrap_or(false);
lsp::CompletionResponse::List(lsp::CompletionList {
is_incomplete,
items,
})
}
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct CompletionItemData {
pub specifier: ModuleSpecifier,
pub position: u32,
pub name: String,
#[serde(skip_serializing_if = "Option::is_none")]
pub source: Option<String>,
/// If present, the code action / text edit corresponding to this item should
/// be rewritten by replacing the first string with the second. Intended for
/// auto-import specifiers to be reverse-import-mapped.
#[serde(skip_serializing_if = "Option::is_none")]
pub specifier_rewrite: Option<(String, String)>,
#[serde(skip_serializing_if = "Option::is_none")]
pub data: Option<Value>,
pub use_code_snippet: bool,
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
struct CompletionEntryDataImport {
module_specifier: String,
file_name: String,
}
#[derive(Debug, Default, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct CompletionEntry {
name: String,
kind: ScriptElementKind,
#[serde(skip_serializing_if = "Option::is_none")]
kind_modifiers: Option<String>,
sort_text: String,
#[serde(skip_serializing_if = "Option::is_none")]
insert_text: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
is_snippet: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
replacement_span: Option<TextSpan>,
#[serde(skip_serializing_if = "Option::is_none")]
has_action: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
source: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
source_display: Option<Vec<SymbolDisplayPart>>,
#[serde(skip_serializing_if = "Option::is_none")]
label_details: Option<CompletionEntryLabelDetails>,
#[serde(skip_serializing_if = "Option::is_none")]
is_recommended: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
is_from_unchecked_file: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
is_package_json_import: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
is_import_statement_completion: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
data: Option<Value>,
}
impl CompletionEntry {
fn get_commit_characters(
&self,
info: &CompletionInfo,
settings: &config::CompletionSettings,
) -> Option<Vec<String>> {
if info.is_new_identifier_location {
return None;
}
let mut commit_characters = vec![];
match self.kind {
ScriptElementKind::MemberGetAccessorElement
| ScriptElementKind::MemberSetAccessorElement
| ScriptElementKind::ConstructSignatureElement
| ScriptElementKind::CallSignatureElement
| ScriptElementKind::IndexSignatureElement
| ScriptElementKind::EnumElement
| ScriptElementKind::InterfaceElement => {
commit_characters.push(".");
commit_characters.push(";");
}
ScriptElementKind::ModuleElement
| ScriptElementKind::Alias
| ScriptElementKind::ConstElement
| ScriptElementKind::LetElement
| ScriptElementKind::VariableElement
| ScriptElementKind::LocalVariableElement
| ScriptElementKind::MemberVariableElement
| ScriptElementKind::ClassElement
| ScriptElementKind::FunctionElement
| ScriptElementKind::MemberFunctionElement
| ScriptElementKind::Keyword
| ScriptElementKind::ParameterElement => {
commit_characters.push(".");
commit_characters.push(",");
commit_characters.push(";");
if !settings.complete_function_calls {
commit_characters.push("(");
}
}
_ => (),
}
if commit_characters.is_empty() {
None
} else {
Some(commit_characters.into_iter().map(String::from).collect())
}
}
fn get_filter_text(&self) -> Option<String> {
if self.name.starts_with('#') {
if let Some(insert_text) = &self.insert_text {
if insert_text.starts_with("this.#") {
return Some(insert_text.replace("this.#", ""));
} else {
return Some(insert_text.clone());
}
} else {
return None;
}
}
if let Some(insert_text) = &self.insert_text {
if insert_text.starts_with("this.") {
return None;
}
if insert_text.starts_with('[') {
return Some(
BRACKET_ACCESSOR_RE
.replace(insert_text, |caps: &Captures| format!(".{}", &caps[1]))
.to_string(),
);
}
}
self.insert_text.clone()
}
pub fn as_completion_item(
&self,
line_index: Arc<LineIndex>,
info: &CompletionInfo,
settings: &config::CompletionSettings,
specifier: &ModuleSpecifier,
position: u32,
language_server: &language_server::Inner,
) -> Option<lsp::CompletionItem> {
let mut label = self.name.clone();
let mut label_details: Option<lsp::CompletionItemLabelDetails> = None;
let mut kind: Option<lsp::CompletionItemKind> =
Some(self.kind.clone().into());
let mut specifier_rewrite = None;
let mut sort_text = if self.source.is_some() {
format!("\u{ffff}{}", self.sort_text)
} else {
self.sort_text.clone()
};
let preselect = self.is_recommended;
let use_code_snippet = settings.complete_function_calls
&& (kind == Some(lsp::CompletionItemKind::FUNCTION)
|| kind == Some(lsp::CompletionItemKind::METHOD));
let commit_characters = self.get_commit_characters(info, settings);
let mut insert_text = self.insert_text.clone();
let insert_text_format = match self.is_snippet {
Some(true) => Some(lsp::InsertTextFormat::SNIPPET),
_ => None,
};
let range = self.replacement_span.clone();
let mut filter_text = self.get_filter_text();
let mut tags = None;
let mut detail = None;
if let Some(kind_modifiers) = &self.kind_modifiers {
let kind_modifiers = parse_kind_modifier(kind_modifiers);
if kind_modifiers.contains("optional") {
if insert_text.is_none() {
insert_text = Some(label.clone());
}
if filter_text.is_none() {
filter_text = Some(label.clone());
}
label += "?";
}
if kind_modifiers.contains("deprecated") {
tags = Some(vec![lsp::CompletionItemTag::DEPRECATED]);
}
if kind_modifiers.contains("color") {
kind = Some(lsp::CompletionItemKind::COLOR);
}
if self.kind == ScriptElementKind::ScriptElement {
for ext_modifier in FILE_EXTENSION_KIND_MODIFIERS {
if kind_modifiers.contains(ext_modifier) {
detail = if self.name.to_lowercase().ends_with(ext_modifier) {
Some(self.name.clone())
} else {
Some(format!("{}{}", self.name, ext_modifier))
};
break;
}
}
}
}
if let Some(source) = &self.source {
let mut display_source = source.clone();
if let Some(data) = &self.data {
if let Ok(import_data) =
serde_json::from_value::<CompletionEntryDataImport>(data.clone())
{
if let Ok(import_specifier) = resolve_url(&import_data.file_name) {
if let Some(new_module_specifier) = language_server
.get_ts_response_import_mapper(specifier)
.check_specifier(&import_specifier, specifier)
.or_else(|| relative_specifier(specifier, &import_specifier))
{
display_source = new_module_specifier.clone();
if new_module_specifier != import_data.module_specifier {
specifier_rewrite =
Some((import_data.module_specifier, new_module_specifier));
}
} else if source.starts_with(jsr_url().as_str()) {
return None;
}
}
}
}
// We want relative or bare (import-mapped or otherwise) specifiers to
// appear at the top.
if resolve_url(&display_source).is_err() {
sort_text += "_0";
} else {
sort_text += "_1";
}
label_details
.get_or_insert_with(Default::default)
.description = Some(display_source);
}
let text_edit =
if let (Some(text_span), Some(new_text)) = (range, &insert_text) {
let range = text_span.to_range(line_index);
let insert_replace_edit = lsp::InsertReplaceEdit {
new_text: new_text.clone(),
insert: range,
replace: range,
};
Some(insert_replace_edit.into())
} else {
None
};
let tsc = CompletionItemData {
specifier: specifier.clone(),
position,
name: self.name.clone(),
source: self.source.clone(),
specifier_rewrite,
data: self.data.clone(),
use_code_snippet,
};
Some(lsp::CompletionItem {
label,
label_details,
kind,
sort_text: Some(sort_text),
preselect,
text_edit,
filter_text,
insert_text,
insert_text_format,
detail,
tags,
commit_characters,
data: Some(json!({ "tsc": tsc })),
..Default::default()
})
}
}
#[derive(Debug, Default, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
struct CompletionEntryLabelDetails {
#[serde(skip_serializing_if = "Option::is_none")]
detail: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
description: Option<String>,
}
#[derive(Debug, Deserialize)]
pub enum OutliningSpanKind {
#[serde(rename = "comment")]
Comment,
#[serde(rename = "region")]
Region,
#[serde(rename = "code")]
Code,
#[serde(rename = "imports")]
Imports,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct OutliningSpan {
text_span: TextSpan,
// hint_span: TextSpan,
// banner_text: String,
// auto_collapse: bool,
kind: OutliningSpanKind,
}
const FOLD_END_PAIR_CHARACTERS: &[u8] = &[b'}', b']', b')', b'`'];
impl OutliningSpan {
pub fn to_folding_range(
&self,
line_index: Arc<LineIndex>,
content: &[u8],
line_folding_only: bool,
) -> lsp::FoldingRange {
let range = self.text_span.to_range(line_index.clone());
lsp::FoldingRange {
start_line: range.start.line,
start_character: if line_folding_only {
None
} else {
Some(range.start.character)
},
end_line: self.adjust_folding_end_line(
&range,
line_index,
content,
line_folding_only,
),
end_character: if line_folding_only {
None
} else {
Some(range.end.character)
},
kind: self.get_folding_range_kind(&self.kind),
collapsed_text: None,
}
}
fn adjust_folding_end_line(
&self,
range: &lsp::Range,
line_index: Arc<LineIndex>,
content: &[u8],
line_folding_only: bool,
) -> u32 {
if line_folding_only && range.end.line > 0 && range.end.character > 0 {
let offset_end: usize = line_index.offset(range.end).unwrap().into();
let fold_end_char = content[offset_end - 1];
if FOLD_END_PAIR_CHARACTERS.contains(&fold_end_char) {
return cmp::max(range.end.line - 1, range.start.line);
}
}
range.end.line
}
fn get_folding_range_kind(
&self,
span_kind: &OutliningSpanKind,
) -> Option<lsp::FoldingRangeKind> {
match span_kind {
OutliningSpanKind::Comment => Some(lsp::FoldingRangeKind::Comment),
OutliningSpanKind::Region => Some(lsp::FoldingRangeKind::Region),
OutliningSpanKind::Imports => Some(lsp::FoldingRangeKind::Imports),
_ => None,
}
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct SignatureHelpItems {
items: Vec<SignatureHelpItem>,
// applicable_span: TextSpan,
selected_item_index: u32,
argument_index: u32,
// argument_count: u32,
}
impl SignatureHelpItems {
pub fn into_signature_help(
self,
language_server: &language_server::Inner,
) -> lsp::SignatureHelp {
lsp::SignatureHelp {
signatures: self
.items
.into_iter()
.map(|item| item.into_signature_information(language_server))
.collect(),
active_parameter: Some(self.argument_index),
active_signature: Some(self.selected_item_index),
}
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct SignatureHelpItem {
// is_variadic: bool,
prefix_display_parts: Vec<SymbolDisplayPart>,
suffix_display_parts: Vec<SymbolDisplayPart>,
// separator_display_parts: Vec<SymbolDisplayPart>,
parameters: Vec<SignatureHelpParameter>,
documentation: Vec<SymbolDisplayPart>,
// tags: Vec<JsDocTagInfo>,
}
impl SignatureHelpItem {
pub fn into_signature_information(
self,
language_server: &language_server::Inner,
) -> lsp::SignatureInformation {
let prefix_text =
display_parts_to_string(&self.prefix_display_parts, language_server);
let params_text = self
.parameters
.iter()
.map(|param| {
display_parts_to_string(&param.display_parts, language_server)
})
.collect::<Vec<String>>()
.join(", ");
let suffix_text =
display_parts_to_string(&self.suffix_display_parts, language_server);
let documentation =
display_parts_to_string(&self.documentation, language_server);
lsp::SignatureInformation {
label: format!("{prefix_text}{params_text}{suffix_text}"),
documentation: Some(lsp::Documentation::MarkupContent(
lsp::MarkupContent {
kind: lsp::MarkupKind::Markdown,
value: documentation,
},
)),
parameters: Some(
self
.parameters
.into_iter()
.map(|param| param.into_parameter_information(language_server))
.collect(),
),
active_parameter: None,
}
}
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct SignatureHelpParameter {
// name: String,
documentation: Vec<SymbolDisplayPart>,
display_parts: Vec<SymbolDisplayPart>,
// is_optional: bool,
}
impl SignatureHelpParameter {
pub fn into_parameter_information(
self,
language_server: &language_server::Inner,
) -> lsp::ParameterInformation {
let documentation =
display_parts_to_string(&self.documentation, language_server);
lsp::ParameterInformation {
label: lsp::ParameterLabel::Simple(display_parts_to_string(
&self.display_parts,
language_server,
)),
documentation: Some(lsp::Documentation::MarkupContent(
lsp::MarkupContent {
kind: lsp::MarkupKind::Markdown,
value: documentation,
},
)),
}
}
}
#[derive(Debug, Clone, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct SelectionRange {
text_span: TextSpan,
#[serde(skip_serializing_if = "Option::is_none")]
parent: Option<Box<SelectionRange>>,
}
impl SelectionRange {
pub fn to_selection_range(
&self,
line_index: Arc<LineIndex>,
) -> lsp::SelectionRange {
lsp::SelectionRange {
range: self.text_span.to_range(line_index.clone()),
parent: self.parent.as_ref().map(|parent_selection| {
Box::new(parent_selection.to_selection_range(line_index))
}),
}
}
}
#[derive(Debug, Default)]
pub struct TscSpecifierMap {
normalized_specifiers: DashMap<String, ModuleSpecifier>,
denormalized_specifiers: DashMap<ModuleSpecifier, String>,
}
impl TscSpecifierMap {
pub fn new() -> Self {
Self::default()
}
/// Convert the specifier to one compatible with tsc. Cache the resulting
/// mapping in case it needs to be reversed.
// TODO(nayeemrmn): Factor in out-of-band media type here.
pub fn denormalize(&self, specifier: &ModuleSpecifier) -> String {
let original = specifier;
if let Some(specifier) = self.denormalized_specifiers.get(original) {
return specifier.to_string();
}
let mut specifier = original.to_string();
let media_type = MediaType::from_specifier(original);
// If the URL-inferred media type doesn't correspond to tsc's path-inferred
// media type, force it to be the same by appending an extension.
if MediaType::from_path(Path::new(specifier.as_str())) != media_type {
specifier += media_type.as_ts_extension();
}
if specifier != original.as_str() {
self
.normalized_specifiers
.insert(specifier.clone(), original.clone());
}
specifier
}
/// Convert the specifier from one compatible with tsc. Cache the resulting
/// mapping in case it needs to be reversed.
pub fn normalize<S: AsRef<str>>(
&self,
specifier: S,
) -> Result<ModuleSpecifier, AnyError> {
let original = specifier.as_ref();
if let Some(specifier) = self.normalized_specifiers.get(original) {
return Ok(specifier.clone());
}
let specifier_str = original.replace(".d.ts.d.ts", ".d.ts");
let specifier = match ModuleSpecifier::parse(&specifier_str) {
Ok(s) => s,
Err(err) => return Err(err.into()),
};
if specifier.as_str() != original {
self
.denormalized_specifiers
.insert(specifier.clone(), original.to_string());
}
Ok(specifier)
}
}
// TODO(bartlomieju): we have similar struct in `cli/tsc/mod.rs` - maybe at least change
// the name of the struct to avoid confusion?
struct State {
last_id: usize,
performance: Arc<Performance>,
// the response from JS, as a JSON string
response: Option<String>,
state_snapshot: Arc<StateSnapshot>,
specifier_map: Arc<TscSpecifierMap>,
token: CancellationToken,
}
impl State {
fn new(
state_snapshot: Arc<StateSnapshot>,
specifier_map: Arc<TscSpecifierMap>,
performance: Arc<Performance>,
) -> Self {
Self {
last_id: 1,
performance,
response: None,
state_snapshot,
specifier_map,
token: Default::default(),
}
}
fn get_asset_or_document(
&self,
specifier: &ModuleSpecifier,
) -> Option<AssetOrDocument> {
let snapshot = &self.state_snapshot;
if specifier.scheme() == "asset" {
snapshot.assets.get(specifier).map(AssetOrDocument::Asset)
} else {
snapshot
.documents
.get(specifier)
.map(AssetOrDocument::Document)
}
}
fn script_version(&self, specifier: &ModuleSpecifier) -> Option<String> {
if specifier.scheme() == "asset" {
if self.state_snapshot.assets.contains_key(specifier) {
Some("1".to_string())
} else {
None
}
} else {
self
.state_snapshot
.documents
.get(specifier)
.map(|d| d.script_version())
}
}
}
#[op2(fast)]
fn op_is_cancelled(state: &mut OpState) -> bool {
let state = state.borrow_mut::<State>();
state.token.is_cancelled()
}
#[op2(fast)]
fn op_is_node_file(state: &mut OpState, #[string] path: String) -> bool {
let state = state.borrow::<State>();
let mark = state.performance.mark("tsc.op.op_is_node_file");
let r = match ModuleSpecifier::parse(&path) {
Ok(specifier) => state.state_snapshot.resolver.in_npm_package(&specifier),
Err(_) => false,
};
state.performance.measure(mark);
r
}
#[derive(Debug, Serialize)]
#[serde(rename_all = "camelCase")]
struct LoadResponse {
data: Arc<str>,
script_kind: i32,
version: Option<String>,
is_cjs: bool,
}
#[op2]
fn op_load<'s>(
scope: &'s mut v8::HandleScope,
state: &mut OpState,
#[string] specifier: &str,
) -> Result<v8::Local<'s, v8::Value>, AnyError> {
let state = state.borrow_mut::<State>();
let mark = state
.performance
.mark_with_args("tsc.op.op_load", specifier);
let specifier = state.specifier_map.normalize(specifier)?;
let maybe_load_response =
if specifier.as_str() == MISSING_DEPENDENCY_SPECIFIER {
None
} else {
let asset_or_document = state.get_asset_or_document(&specifier);
asset_or_document.map(|doc| LoadResponse {
data: doc.text(),
script_kind: crate::tsc::as_ts_script_kind(doc.media_type()),
version: state.script_version(&specifier),
is_cjs: matches!(
doc.media_type(),
MediaType::Cjs | MediaType::Cts | MediaType::Dcts
),
})
};
let serialized = serde_v8::to_v8(scope, maybe_load_response)?;
state.performance.measure(mark);
Ok(serialized)
}
#[op2(fast)]
fn op_release(
state: &mut OpState,
#[string] specifier: &str,
) -> Result<(), AnyError> {
let state = state.borrow_mut::<State>();
let mark = state
.performance
.mark_with_args("tsc.op.op_release", specifier);
let specifier = state.specifier_map.normalize(specifier)?;
state.state_snapshot.documents.release(&specifier);
state.performance.measure(mark);
Ok(())
}
#[op2]
#[serde]
fn op_resolve(
state: &mut OpState,
#[string] base: String,
#[serde] specifiers: Vec<String>,
) -> Result<Vec<Option<(String, String)>>, AnyError> {
op_resolve_inner(state, ResolveArgs { base, specifiers })
}
#[inline]
fn op_resolve_inner(
state: &mut OpState,
args: ResolveArgs,
) -> Result<Vec<Option<(String, String)>>, AnyError> {
let state = state.borrow_mut::<State>();
let mark = state.performance.mark_with_args("tsc.op.op_resolve", &args);
let referrer = state.specifier_map.normalize(&args.base)?;
let specifiers = state
.state_snapshot
.documents
.resolve(&args.specifiers, &referrer)
.into_iter()
.map(|o| {
o.map(|(s, mt)| {
(
state.specifier_map.denormalize(&s),
mt.as_ts_extension().to_string(),
)
})
})
.collect();
state.performance.measure(mark);
Ok(specifiers)
}
#[op2(fast)]
fn op_respond(state: &mut OpState, #[string] response: String) {
let state = state.borrow_mut::<State>();
state.response = Some(response);
}
#[op2]
#[serde]
fn op_script_names(state: &mut OpState) -> Vec<String> {
let state = state.borrow_mut::<State>();
let mark = state.performance.mark("tsc.op.op_script_names");
let documents = &state.state_snapshot.documents;
let all_docs = documents.documents(DocumentsFilter::AllDiagnosable);
let mut seen = HashSet::new();
let mut result = Vec::new();
if documents.has_injected_types_node_package() {
// ensure this is first so it resolves the node types first
let specifier = "asset:///node_types.d.ts";
result.push(specifier.to_string());
seen.insert(specifier);
}
// inject these next because they're global
for specifier in state.state_snapshot.resolver.graph_import_specifiers() {
if seen.insert(specifier.as_str()) {
result.push(specifier.to_string());
}
}
// finally include the documents and all their dependencies
for doc in &all_docs {
let specifiers = std::iter::once(doc.specifier()).chain(
doc
.dependencies()
.values()
.filter_map(|dep| dep.get_type().or_else(|| dep.get_code())),
);
for specifier in specifiers {
if seen.insert(specifier.as_str()) {
if let Some(specifier) = documents.resolve_specifier(specifier) {
// only include dependencies we know to exist otherwise typescript will error
if documents.exists(&specifier)
&& (specifier.scheme() == "file" || documents.is_open(&specifier))
{
result.push(specifier.to_string());
}
}
}
}
}
let r = result
.into_iter()
.map(|s| match ModuleSpecifier::parse(&s) {
Ok(s) => state.specifier_map.denormalize(&s),
Err(_) => s,
})
.collect();
state.performance.measure(mark);
r
}
#[op2]
#[string]
fn op_script_version(
state: &mut OpState,
#[string] specifier: &str,
) -> Result<Option<String>, AnyError> {
let state = state.borrow_mut::<State>();
let mark = state.performance.mark("tsc.op.op_script_version");
let specifier = state.specifier_map.normalize(specifier)?;
let r = state.script_version(&specifier);
state.performance.measure(mark);
Ok(r)
}
#[op2]
#[serde]
fn op_ts_config(state: &mut OpState) -> serde_json::Value {
let state = state.borrow_mut::<State>();
let mark = state.performance.mark("tsc.op.op_ts_config");
let r = json!(state.state_snapshot.config.tree.root_ts_config());
state.performance.measure(mark);
r
}
#[op2(fast)]
#[number]
fn op_project_version(state: &mut OpState) -> usize {
let state: &mut State = state.borrow_mut::<State>();
let mark = state.performance.mark("tsc.op.op_project_version");
let r = state.state_snapshot.project_version;
state.performance.measure(mark);
r
}
struct TscRuntime {
js_runtime: JsRuntime,
server_request_fn_global: v8::Global<v8::Function>,
}
impl TscRuntime {
fn new(mut js_runtime: JsRuntime) -> Self {
let server_request_fn_global = {
let context = js_runtime.main_context();
let scope = &mut js_runtime.handle_scope();
let context_local = v8::Local::new(scope, context);
let global_obj = context_local.global(scope);
let server_request_fn_str =
v8::String::new_external_onebyte_static(scope, b"serverRequest")
.unwrap();
let server_request_fn = v8::Local::try_from(
global_obj.get(scope, server_request_fn_str.into()).unwrap(),
)
.unwrap();
v8::Global::new(scope, server_request_fn)
};
Self {
server_request_fn_global,
js_runtime,
}
}
/// Send a request into the runtime and return the JSON string containing the response.
fn request(
&mut self,
state_snapshot: Arc<StateSnapshot>,
request: TscRequest,
change: Option<PendingChange>,
token: CancellationToken,
) -> Result<String, AnyError> {
if token.is_cancelled() {
return Err(anyhow!("Operation was cancelled."));
}
let (performance, id) = {
let op_state = self.js_runtime.op_state();
let mut op_state = op_state.borrow_mut();
let state = op_state.borrow_mut::<State>();
state.state_snapshot = state_snapshot;
state.token = token;
state.last_id += 1;
let id = state.last_id;
(state.performance.clone(), id)
};
let mark = performance
.mark_with_args(format!("tsc.host.{}", request.method()), &request);
{
let scope = &mut self.js_runtime.handle_scope();
let tc_scope = &mut v8::TryCatch::new(scope);
let server_request_fn =
v8::Local::new(tc_scope, &self.server_request_fn_global);
let undefined = v8::undefined(tc_scope).into();
let change = if let Some(change) = change {
change.to_v8(tc_scope)?
} else {
v8::null(tc_scope).into()
};
let (method, req_args) = request.to_server_request(tc_scope)?;
let args = vec![
v8::Integer::new(tc_scope, id as i32).into(),
v8::String::new(tc_scope, method).unwrap().into(),
req_args.unwrap_or_else(|| v8::Array::new(tc_scope, 0).into()),
change,
];
server_request_fn.call(tc_scope, undefined, &args);
if tc_scope.has_caught() && !tc_scope.has_terminated() {
if let Some(stack_trace) = tc_scope.stack_trace() {
lsp_warn!(
"Error during TS request \"{method}\":\n {}",
stack_trace.to_rust_string_lossy(tc_scope),
);
} else if let Some(message) = tc_scope.message() {
lsp_warn!(
"Error during TS request \"{method}\":\n {}\n {}",
message.get(tc_scope).to_rust_string_lossy(tc_scope),
tc_scope
.exception()
.map(|exc| exc.to_rust_string_lossy(tc_scope))
.unwrap_or_default()
);
} else {
lsp_warn!(
"Error during TS request \"{method}\":\n {}",
tc_scope
.exception()
.map(|exc| exc.to_rust_string_lossy(tc_scope))
.unwrap_or_default(),
);
}
tc_scope.rethrow();
}
}
let op_state = self.js_runtime.op_state();
let mut op_state = op_state.borrow_mut();
let state = op_state.borrow_mut::<State>();
performance.measure(mark);
state.response.take().ok_or_else(|| {
custom_error(
"RequestError",
"The response was not received for the request.",
)
})
}
}
fn run_tsc_thread(
mut request_rx: UnboundedReceiver<Request>,
performance: Arc<Performance>,
cache: Arc<dyn HttpCache>,
specifier_map: Arc<TscSpecifierMap>,
maybe_inspector_server: Option<Arc<InspectorServer>>,
) {
let has_inspector_server = maybe_inspector_server.is_some();
// Create and setup a JsRuntime based on a snapshot. It is expected that the
// supplied snapshot is an isolate that contains the TypeScript language
// server.
let mut tsc_runtime = JsRuntime::new(RuntimeOptions {
extensions: vec![deno_tsc::init_ops(performance, cache, specifier_map)],
startup_snapshot: Some(tsc::compiler_snapshot()),
inspector: maybe_inspector_server.is_some(),
..Default::default()
});
if let Some(server) = maybe_inspector_server {
server.register_inspector(
"ext:deno_tsc/99_main_compiler.js".to_string(),
&mut tsc_runtime,
false,
);
}
let tsc_future = async {
start_tsc(&mut tsc_runtime, false).unwrap();
let (request_signal_tx, mut request_signal_rx) = mpsc::unbounded_channel::<()>();
let tsc_runtime = Rc::new(tokio::sync::Mutex::new(TscRuntime::new(tsc_runtime)));
let tsc_runtime_ = tsc_runtime.clone();
let event_loop_fut = async {
loop {
if has_inspector_server {
tsc_runtime_.lock().await.js_runtime.run_event_loop(PollEventLoopOptions {
wait_for_inspector: false,
pump_v8_message_loop: true,
}).await.ok();
}
request_signal_rx.recv_many(&mut vec![], 1000).await;
}
};
tokio::pin!(event_loop_fut);
loop {
tokio::select! {
biased;
(maybe_request, mut tsc_runtime) = async { (request_rx.recv().await, tsc_runtime.lock().await) } => {
if let Some((req, state_snapshot, tx, token, pending_change)) = maybe_request {
let value = tsc_runtime.request(state_snapshot, req, pending_change, token.clone());
request_signal_tx.send(()).unwrap();
let was_sent = tx.send(value).is_ok();
// Don't print the send error if the token is cancelled, it's expected
// to fail in that case and this commonly occurs.
if !was_sent && !token.is_cancelled() {
lsp_warn!("Unable to send result to client.");
}
} else {
break;
}
},
_ = &mut event_loop_fut => {}
}
}
}
.boxed_local();
let runtime = create_basic_runtime();
runtime.block_on(tsc_future)
}
deno_core::extension!(deno_tsc,
ops = [
op_is_cancelled,
op_is_node_file,
op_load,
op_release,
op_resolve,
op_respond,
op_script_names,
op_script_version,
op_ts_config,
op_project_version,
],
options = {
performance: Arc<Performance>,
cache: Arc<dyn HttpCache>,
specifier_map: Arc<TscSpecifierMap>,
},
state = |state, options| {
state.put(State::new(
Arc::new(StateSnapshot {
project_version: 0,
assets: Default::default(),
cache_metadata: CacheMetadata::new(options.cache.clone()),
config: Default::default(),
documents: Documents::new(options.cache.clone()),
resolver: Default::default(),
}),
options.specifier_map,
options.performance,
));
},
);
/// Instruct a language server runtime to start the language server and provide
/// it with a minimal bootstrap configuration.
fn start_tsc(runtime: &mut JsRuntime, debug: bool) -> Result<(), AnyError> {
let init_config = json!({ "debug": debug });
let init_src = format!("globalThis.serverInit({init_config});");
runtime.execute_script(located_script_name!(), init_src)?;
Ok(())
}
#[derive(Debug, Deserialize_repr, Serialize_repr)]
#[repr(u32)]
pub enum CompletionTriggerKind {
Invoked = 1,
TriggerCharacter = 2,
TriggerForIncompleteCompletions = 3,
}
impl From<lsp::CompletionTriggerKind> for CompletionTriggerKind {
fn from(kind: lsp::CompletionTriggerKind) -> Self {
match kind {
lsp::CompletionTriggerKind::INVOKED => Self::Invoked,
lsp::CompletionTriggerKind::TRIGGER_CHARACTER => Self::TriggerCharacter,
lsp::CompletionTriggerKind::TRIGGER_FOR_INCOMPLETE_COMPLETIONS => {
Self::TriggerForIncompleteCompletions
}
_ => Self::Invoked,
}
}
}
pub type QuotePreference = config::QuoteStyle;
pub type ImportModuleSpecifierPreference = config::ImportModuleSpecifier;
#[derive(Debug, Serialize)]
#[serde(rename_all = "kebab-case")]
#[allow(dead_code)]
pub enum ImportModuleSpecifierEnding {
Auto,
Minimal,
Index,
Js,
}
#[derive(Debug, Serialize)]
#[serde(rename_all = "kebab-case")]
#[allow(dead_code)]
pub enum IncludeInlayParameterNameHints {
None,
Literals,
All,
}
impl From<&config::InlayHintsParamNamesEnabled>
for IncludeInlayParameterNameHints
{
fn from(setting: &config::InlayHintsParamNamesEnabled) -> Self {
match setting {
config::InlayHintsParamNamesEnabled::All => Self::All,
config::InlayHintsParamNamesEnabled::Literals => Self::Literals,
config::InlayHintsParamNamesEnabled::None => Self::None,
}
}
}
#[derive(Debug, Serialize)]
#[serde(rename_all = "kebab-case")]
#[allow(dead_code)]
pub enum IncludePackageJsonAutoImports {
Auto,
On,
Off,
}
pub type JsxAttributeCompletionStyle = config::JsxAttributeCompletionStyle;
#[derive(Debug, Default, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct GetCompletionsAtPositionOptions {
#[serde(flatten)]
pub user_preferences: UserPreferences,
#[serde(skip_serializing_if = "Option::is_none")]
pub trigger_character: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub trigger_kind: Option<CompletionTriggerKind>,
}
#[derive(Debug, Default, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct UserPreferences {
#[serde(skip_serializing_if = "Option::is_none")]
pub disable_suggestions: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub quote_preference: Option<QuotePreference>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_completions_for_module_exports: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_completions_for_import_statements: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_completions_with_snippet_text: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_automatic_optional_chain_completions: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_completions_with_insert_text: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_completions_with_class_member_snippets: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_completions_with_object_literal_method_snippets: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub use_label_details_in_completion_entries: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub allow_incomplete_completions: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub import_module_specifier_preference:
Option<ImportModuleSpecifierPreference>,
#[serde(skip_serializing_if = "Option::is_none")]
pub import_module_specifier_ending: Option<ImportModuleSpecifierEnding>,
#[serde(skip_serializing_if = "Option::is_none")]
pub allow_text_changes_in_new_files: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub provide_prefix_and_suffix_text_for_rename: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_package_json_auto_imports: Option<IncludePackageJsonAutoImports>,
#[serde(skip_serializing_if = "Option::is_none")]
pub provide_refactor_not_applicable_reason: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub jsx_attribute_completion_style: Option<JsxAttributeCompletionStyle>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_inlay_parameter_name_hints:
Option<IncludeInlayParameterNameHints>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_inlay_parameter_name_hints_when_argument_matches_name:
Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_inlay_function_parameter_type_hints: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_inlay_variable_type_hints: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_inlay_variable_type_hints_when_type_matches_name: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_inlay_property_declaration_type_hints: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_inlay_function_like_return_type_hints: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub include_inlay_enum_member_value_hints: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub allow_rename_of_import_path: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub auto_import_file_exclude_patterns: Option<Vec<String>>,
}
impl UserPreferences {
pub fn from_config_for_specifier(
config: &config::Config,
specifier: &ModuleSpecifier,
) -> Self {
let fmt_options = config.tree.fmt_options_for_specifier(specifier);
let fmt_config = &fmt_options.options;
let base_preferences = Self {
allow_incomplete_completions: Some(true),
allow_text_changes_in_new_files: Some(specifier.scheme() == "file"),
// TODO(nayeemrmn): Investigate why we use `Index` here.
import_module_specifier_ending: Some(ImportModuleSpecifierEnding::Index),
include_completions_with_snippet_text: Some(
config.client_capabilities.snippet_support,
),
provide_refactor_not_applicable_reason: Some(true),
quote_preference: Some(fmt_config.into()),
use_label_details_in_completion_entries: Some(true),
..Default::default()
};
let Some(language_settings) =
config.language_settings_for_specifier(specifier)
else {
return base_preferences;
};
Self {
auto_import_file_exclude_patterns: Some(
language_settings
.preferences
.auto_import_file_exclude_patterns
.clone(),
),
include_automatic_optional_chain_completions: Some(
language_settings.suggest.enabled
&& language_settings
.suggest
.include_automatic_optional_chain_completions,
),
include_completions_for_import_statements: Some(
language_settings.suggest.enabled
&& language_settings
.suggest
.include_completions_for_import_statements,
),
include_completions_for_module_exports: Some(
language_settings.suggest.enabled
&& language_settings.suggest.auto_imports,
),
include_completions_with_class_member_snippets: Some(
language_settings.suggest.enabled
&& language_settings.suggest.class_member_snippets.enabled
&& config.client_capabilities.snippet_support,
),
include_completions_with_insert_text: Some(
language_settings.suggest.enabled,
),
include_completions_with_object_literal_method_snippets: Some(
language_settings.suggest.enabled
&& language_settings
.suggest
.object_literal_method_snippets
.enabled
&& config.client_capabilities.snippet_support,
),
import_module_specifier_preference: Some(
language_settings.preferences.import_module_specifier,
),
include_inlay_parameter_name_hints: Some(
(&language_settings.inlay_hints.parameter_names.enabled).into(),
),
include_inlay_parameter_name_hints_when_argument_matches_name: Some(
!language_settings
.inlay_hints
.parameter_names
.suppress_when_argument_matches_name,
),
include_inlay_function_parameter_type_hints: Some(
language_settings.inlay_hints.parameter_types.enabled,
),
include_inlay_variable_type_hints: Some(
language_settings.inlay_hints.variable_types.enabled,
),
include_inlay_variable_type_hints_when_type_matches_name: Some(
!language_settings
.inlay_hints
.variable_types
.suppress_when_type_matches_name,
),
include_inlay_property_declaration_type_hints: Some(
language_settings
.inlay_hints
.property_declaration_types
.enabled,
),
include_inlay_function_like_return_type_hints: Some(
language_settings
.inlay_hints
.function_like_return_types
.enabled,
),
include_inlay_enum_member_value_hints: Some(
language_settings.inlay_hints.enum_member_values.enabled,
),
jsx_attribute_completion_style: Some(
language_settings.preferences.jsx_attribute_completion_style,
),
provide_prefix_and_suffix_text_for_rename: Some(
language_settings.preferences.use_aliases_for_renames,
),
// Only use workspace settings for quote style if there's no `deno.json`.
quote_preference: if config
.tree
.config_file_for_specifier(specifier)
.is_some()
{
base_preferences.quote_preference
} else {
Some(language_settings.preferences.quote_style)
},
..base_preferences
}
}
}
#[derive(Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct SignatureHelpItemsOptions {
#[serde(skip_serializing_if = "Option::is_none")]
pub trigger_reason: Option<SignatureHelpTriggerReason>,
}
#[derive(Debug, Serialize)]
pub enum SignatureHelpTriggerKind {
#[serde(rename = "characterTyped")]
CharacterTyped,
#[serde(rename = "invoked")]
Invoked,
#[serde(rename = "retrigger")]
Retrigger,
#[serde(rename = "unknown")]
Unknown,
}
impl From<lsp::SignatureHelpTriggerKind> for SignatureHelpTriggerKind {
fn from(kind: lsp::SignatureHelpTriggerKind) -> Self {
match kind {
lsp::SignatureHelpTriggerKind::INVOKED => Self::Invoked,
lsp::SignatureHelpTriggerKind::TRIGGER_CHARACTER => Self::CharacterTyped,
lsp::SignatureHelpTriggerKind::CONTENT_CHANGE => Self::Retrigger,
_ => Self::Unknown,
}
}
}
#[derive(Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct SignatureHelpTriggerReason {
pub kind: SignatureHelpTriggerKind,
#[serde(skip_serializing_if = "Option::is_none")]
pub trigger_character: Option<String>,
}
#[derive(Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct GetCompletionDetailsArgs {
pub specifier: ModuleSpecifier,
pub position: u32,
pub name: String,
#[serde(skip_serializing_if = "Option::is_none")]
pub format_code_settings: Option<FormatCodeSettings>,
#[serde(skip_serializing_if = "Option::is_none")]
pub source: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub preferences: Option<UserPreferences>,
#[serde(skip_serializing_if = "Option::is_none")]
pub data: Option<Value>,
}
impl From<&CompletionItemData> for GetCompletionDetailsArgs {
fn from(item_data: &CompletionItemData) -> Self {
Self {
specifier: item_data.specifier.clone(),
position: item_data.position,
name: item_data.name.clone(),
source: item_data.source.clone(),
preferences: None,
format_code_settings: None,
data: item_data.data.clone(),
}
}
}
#[derive(Debug)]
pub struct GetNavigateToItemsArgs {
pub search: String,
pub max_result_count: Option<u32>,
pub file: Option<String>,
}
#[derive(Serialize, Clone, Copy)]
pub struct TscTextRange {
pos: u32,
end: u32,
}
impl From<Range<u32>> for TscTextRange {
fn from(range: Range<u32>) -> Self {
Self {
pos: range.start,
end: range.end,
}
}
}
#[derive(Serialize, Clone)]
#[serde(rename_all = "camelCase")]
pub struct CombinedCodeFixScope {
r#type: &'static str,
file_name: String,
}
#[derive(Serialize, Clone, Copy)]
pub struct JsNull;
#[derive(Serialize)]
pub enum TscRequest {
GetDiagnostics((Vec<String>, usize)),
GetAssets,
CleanupSemanticCache,
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6230
FindReferences((String, u32)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6235
GetNavigationTree((String,)),
GetSupportedCodeFixes,
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6214
GetQuickInfoAtPosition((String, u32)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6257
GetCodeFixesAtPosition(
Box<(
String,
u32,
u32,
Vec<i32>,
FormatCodeSettings,
UserPreferences,
)>,
),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6274
GetApplicableRefactors(
Box<(
String,
TscTextRange,
UserPreferences,
Option<&'static str>,
String,
)>,
),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6258
GetCombinedCodeFix(
Box<(
CombinedCodeFixScope,
String,
FormatCodeSettings,
UserPreferences,
)>,
),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6275
GetEditsForRefactor(
Box<(
String,
FormatCodeSettings,
TscTextRange,
String,
String,
Option<UserPreferences>,
)>,
),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6281
GetEditsForFileRename(
Box<(String, String, FormatCodeSettings, UserPreferences)>,
),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6231
GetDocumentHighlights(Box<(String, u32, Vec<String>)>),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6226
GetDefinitionAndBoundSpan((String, u32)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6227
GetTypeDefinitionAtPosition((String, u32)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6193
GetCompletionsAtPosition(
Box<(
String,
u32,
GetCompletionsAtPositionOptions,
FormatCodeSettings,
)>,
),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6205
#[allow(clippy::type_complexity)]
GetCompletionEntryDetails(
Box<(
String,
u32,
String,
FormatCodeSettings,
Option<String>,
Option<UserPreferences>,
Option<Value>,
)>,
),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6228
GetImplementationAtPosition((String, u32)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6240
GetOutliningSpans((String,)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6237
ProvideCallHierarchyIncomingCalls((String, u32)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6238
ProvideCallHierarchyOutgoingCalls((String, u32)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6236
PrepareCallHierarchy((String, u32)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6221
FindRenameLocations((String, u32, bool, bool, bool)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6224
GetSmartSelectionRange((String, u32)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6183
GetEncodedSemanticClassifications((String, TextSpan, &'static str)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6217
GetSignatureHelpItems((String, u32, SignatureHelpItemsOptions)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6233
GetNavigateToItems((String, Option<u32>, Option<String>)),
// https://github.com/denoland/deno/blob/v1.37.1/cli/tsc/dts/typescript.d.ts#L6239
ProvideInlayHints((String, TextSpan, UserPreferences)),
}
impl TscRequest {
/// Converts the request into a tuple containing the method name and the
/// arguments (in the form of a V8 value) to be passed to the server request
/// function
fn to_server_request<'s>(
&self,
scope: &mut v8::HandleScope<'s>,
) -> Result<(&'static str, Option<v8::Local<'s, v8::Value>>), AnyError> {
let args = match self {
TscRequest::GetDiagnostics(args) => {
("$getDiagnostics", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::FindReferences(args) => {
("findReferences", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::GetNavigationTree(args) => {
("getNavigationTree", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::GetSupportedCodeFixes => ("$getSupportedCodeFixes", None),
TscRequest::GetQuickInfoAtPosition(args) => (
"getQuickInfoAtPosition",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetCodeFixesAtPosition(args) => (
"getCodeFixesAtPosition",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetApplicableRefactors(args) => (
"getApplicableRefactors",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetCombinedCodeFix(args) => {
("getCombinedCodeFix", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::GetEditsForRefactor(args) => {
("getEditsForRefactor", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::GetEditsForFileRename(args) => {
("getEditsForFileRename", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::GetDocumentHighlights(args) => {
("getDocumentHighlights", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::GetDefinitionAndBoundSpan(args) => (
"getDefinitionAndBoundSpan",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetTypeDefinitionAtPosition(args) => (
"getTypeDefinitionAtPosition",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetCompletionsAtPosition(args) => (
"getCompletionsAtPosition",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetCompletionEntryDetails(args) => (
"getCompletionEntryDetails",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetImplementationAtPosition(args) => (
"getImplementationAtPosition",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetOutliningSpans(args) => {
("getOutliningSpans", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::ProvideCallHierarchyIncomingCalls(args) => (
"provideCallHierarchyIncomingCalls",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::ProvideCallHierarchyOutgoingCalls(args) => (
"provideCallHierarchyOutgoingCalls",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::PrepareCallHierarchy(args) => {
("prepareCallHierarchy", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::FindRenameLocations(args) => {
("findRenameLocations", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::GetSmartSelectionRange(args) => (
"getSmartSelectionRange",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetEncodedSemanticClassifications(args) => (
"getEncodedSemanticClassifications",
Some(serde_v8::to_v8(scope, args)?),
),
TscRequest::GetSignatureHelpItems(args) => {
("getSignatureHelpItems", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::GetNavigateToItems(args) => {
("getNavigateToItems", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::ProvideInlayHints(args) => {
("provideInlayHints", Some(serde_v8::to_v8(scope, args)?))
}
TscRequest::CleanupSemanticCache => ("cleanupSemanticCache", None),
TscRequest::GetAssets => ("$getAssets", None),
};
Ok(args)
}
fn method(&self) -> &'static str {
match self {
TscRequest::GetDiagnostics(_) => "$getDiagnostics",
TscRequest::CleanupSemanticCache => "cleanupSemanticCache",
TscRequest::FindReferences(_) => "findReferences",
TscRequest::GetNavigationTree(_) => "getNavigationTree",
TscRequest::GetSupportedCodeFixes => "$getSupportedCodeFixes",
TscRequest::GetQuickInfoAtPosition(_) => "getQuickInfoAtPosition",
TscRequest::GetCodeFixesAtPosition(_) => "getCodeFixesAtPosition",
TscRequest::GetApplicableRefactors(_) => "getApplicableRefactors",
TscRequest::GetCombinedCodeFix(_) => "getCombinedCodeFix",
TscRequest::GetEditsForRefactor(_) => "getEditsForRefactor",
TscRequest::GetEditsForFileRename(_) => "getEditsForFileRename",
TscRequest::GetDocumentHighlights(_) => "getDocumentHighlights",
TscRequest::GetDefinitionAndBoundSpan(_) => "getDefinitionAndBoundSpan",
TscRequest::GetTypeDefinitionAtPosition(_) => {
"getTypeDefinitionAtPosition"
}
TscRequest::GetCompletionsAtPosition(_) => "getCompletionsAtPosition",
TscRequest::GetCompletionEntryDetails(_) => "getCompletionEntryDetails",
TscRequest::GetImplementationAtPosition(_) => {
"getImplementationAtPosition"
}
TscRequest::GetOutliningSpans(_) => "getOutliningSpans",
TscRequest::ProvideCallHierarchyIncomingCalls(_) => {
"provideCallHierarchyIncomingCalls"
}
TscRequest::ProvideCallHierarchyOutgoingCalls(_) => {
"provideCallHierarchyOutgoingCalls"
}
TscRequest::PrepareCallHierarchy(_) => "prepareCallHierarchy",
TscRequest::FindRenameLocations(_) => "findRenameLocations",
TscRequest::GetSmartSelectionRange(_) => "getSmartSelectionRange",
TscRequest::GetEncodedSemanticClassifications(_) => {
"getEncodedSemanticClassifications"
}
TscRequest::GetSignatureHelpItems(_) => "getSignatureHelpItems",
TscRequest::GetNavigateToItems(_) => "getNavigateToItems",
TscRequest::ProvideInlayHints(_) => "provideInlayHints",
TscRequest::GetAssets => "$getAssets",
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::cache::GlobalHttpCache;
use crate::cache::HttpCache;
use crate::cache::RealDenoCacheEnv;
use crate::http_util::HeadersMap;
use crate::lsp::cache::CacheMetadata;
use crate::lsp::config::Config;
use crate::lsp::config::WorkspaceSettings;
use crate::lsp::documents::Documents;
use crate::lsp::documents::LanguageId;
use crate::lsp::resolver::LspResolver;
use crate::lsp::text::LineIndex;
use pretty_assertions::assert_eq;
use std::path::Path;
use test_util::TempDir;
async fn mock_state_snapshot(
fixtures: &[(&str, &str, i32, LanguageId)],
location: &Path,
ts_config: Value,
) -> StateSnapshot {
let cache = Arc::new(GlobalHttpCache::new(
location.to_path_buf(),
RealDenoCacheEnv,
));
let mut documents = Documents::new(cache.clone());
for (specifier, source, version, language_id) in fixtures {
let specifier =
resolve_url(specifier).expect("failed to create specifier");
documents.open(
specifier.clone(),
*version,
*language_id,
(*source).into(),
);
}
let mut config = Config::default();
config
.tree
.inject_config_file(
deno_config::ConfigFile::new(
&json!({
"compilerOptions": ts_config,
})
.to_string(),
resolve_url("file:///deno.json").unwrap(),
&deno_config::ParseOptions::default(),
)
.unwrap(),
)
.await;
let resolver = LspResolver::default()
.with_new_config(&config, cache.clone(), None, None)
.await;
StateSnapshot {
project_version: 0,
documents,
assets: Default::default(),
cache_metadata: CacheMetadata::new(cache),
config: Arc::new(config),
resolver,
}
}
async fn setup(
temp_dir: &TempDir,
config: Value,
sources: &[(&str, &str, i32, LanguageId)],
) -> (TsServer, Arc<StateSnapshot>, Arc<GlobalHttpCache>) {
let location = temp_dir.path().join("deps").to_path_buf();
let cache =
Arc::new(GlobalHttpCache::new(location.clone(), RealDenoCacheEnv));
let snapshot =
Arc::new(mock_state_snapshot(sources, &location, config).await);
let performance = Arc::new(Performance::default());
let ts_server = TsServer::new(performance, cache.clone());
ts_server.start(None).unwrap();
(ts_server, snapshot, cache)
}
fn setup_op_state(state_snapshot: Arc<StateSnapshot>) -> OpState {
let state =
State::new(state_snapshot, Default::default(), Default::default());
let mut op_state = OpState::new(None);
op_state.put(state);
op_state
}
#[test]
fn test_replace_links() {
let actual = replace_links(r"test {@link http://deno.land/x/mod.ts} test");
assert_eq!(
actual,
r"test [http://deno.land/x/mod.ts](http://deno.land/x/mod.ts) test"
);
let actual =
replace_links(r"test {@link http://deno.land/x/mod.ts a link} test");
assert_eq!(actual, r"test [a link](http://deno.land/x/mod.ts) test");
let actual =
replace_links(r"test {@linkcode http://deno.land/x/mod.ts a link} test");
assert_eq!(actual, r"test [`a link`](http://deno.land/x/mod.ts) test");
}
#[tokio::test]
async fn test_get_diagnostics() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"noEmit": true,
"lib": [],
}),
&[(
"file:///a.ts",
r#"console.log("hello deno");"#,
1,
LanguageId::TypeScript,
)],
)
.await;
let specifier = resolve_url("file:///a.ts").expect("could not resolve url");
let diagnostics = ts_server
.get_diagnostics(snapshot, vec![specifier], Default::default())
.await
.unwrap();
assert_eq!(
json!(diagnostics),
json!({
"file:///a.ts": [
{
"start": {
"line": 0,
"character": 0,
},
"end": {
"line": 0,
"character": 7
},
"fileName": "file:///a.ts",
"messageText": "Cannot find name 'console'. Do you need to change your target library? Try changing the \'lib\' compiler option to include 'dom'.",
"sourceLine": "console.log(\"hello deno\");",
"category": 1,
"code": 2584
}
]
})
);
}
#[tokio::test]
async fn test_get_diagnostics_lib() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"jsx": "react",
"lib": ["esnext", "dom", "deno.ns"],
"noEmit": true,
}),
&[(
"file:///a.ts",
r#"console.log(document.location);"#,
1,
LanguageId::TypeScript,
)],
)
.await;
let specifier = resolve_url("file:///a.ts").expect("could not resolve url");
let diagnostics = ts_server
.get_diagnostics(snapshot, vec![specifier], Default::default())
.await
.unwrap();
assert_eq!(json!(diagnostics), json!({ "file:///a.ts": [] }));
}
#[tokio::test]
async fn test_module_resolution() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[(
"file:///a.ts",
r#"
import { B } from "https://deno.land/x/b/mod.ts";
const b = new B();
console.log(b);
"#,
1,
LanguageId::TypeScript,
)],
)
.await;
let specifier = resolve_url("file:///a.ts").expect("could not resolve url");
let diagnostics = ts_server
.get_diagnostics(snapshot, vec![specifier], Default::default())
.await
.unwrap();
assert_eq!(json!(diagnostics), json!({ "file:///a.ts": [] }));
}
#[tokio::test]
async fn test_bad_module_specifiers() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[(
"file:///a.ts",
r#"
import { A } from ".";
"#,
1,
LanguageId::TypeScript,
)],
)
.await;
let specifier = resolve_url("file:///a.ts").expect("could not resolve url");
let diagnostics = ts_server
.get_diagnostics(snapshot, vec![specifier], Default::default())
.await
.unwrap();
assert_eq!(
json!(diagnostics),
json!({
"file:///a.ts": [{
"start": {
"line": 1,
"character": 8
},
"end": {
"line": 1,
"character": 30
},
"fileName": "file:///a.ts",
"messageText": "\'A\' is declared but its value is never read.",
"sourceLine": " import { A } from \".\";",
"category": 2,
"code": 6133,
}]
})
);
}
#[tokio::test]
async fn test_remote_modules() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[(
"file:///a.ts",
r#"
import { B } from "https://deno.land/x/b/mod.ts";
const b = new B();
console.log(b);
"#,
1,
LanguageId::TypeScript,
)],
)
.await;
let specifier = resolve_url("file:///a.ts").expect("could not resolve url");
let diagnostics = ts_server
.get_diagnostics(snapshot, vec![specifier], Default::default())
.await
.unwrap();
assert_eq!(json!(diagnostics), json!({ "file:///a.ts": [] }));
}
#[tokio::test]
async fn test_partial_modules() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[(
"file:///a.ts",
r#"
import {
Application,
Context,
Router,
Status,
} from "https://deno.land/x/oak@v6.3.2/mod.ts";
import * as test from
"#,
1,
LanguageId::TypeScript,
)],
)
.await;
let specifier = resolve_url("file:///a.ts").expect("could not resolve url");
let diagnostics = ts_server
.get_diagnostics(snapshot, vec![specifier], Default::default())
.await
.unwrap();
assert_eq!(
json!(diagnostics),
json!({
"file:///a.ts": [{
"start": {
"line": 1,
"character": 8
},
"end": {
"line": 6,
"character": 55,
},
"fileName": "file:///a.ts",
"messageText": "All imports in import declaration are unused.",
"sourceLine": " import {",
"category": 2,
"code": 6192,
}, {
"start": {
"line": 8,
"character": 29
},
"end": {
"line": 8,
"character": 29
},
"fileName": "file:///a.ts",
"messageText": "Expression expected.",
"sourceLine": " import * as test from",
"category": 1,
"code": 1109
}]
})
);
}
#[tokio::test]
async fn test_no_debug_failure() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[(
"file:///a.ts",
r#"const url = new URL("b.js", import."#,
1,
LanguageId::TypeScript,
)],
)
.await;
let specifier = resolve_url("file:///a.ts").expect("could not resolve url");
let diagnostics = ts_server
.get_diagnostics(snapshot, vec![specifier], Default::default())
.await
.unwrap();
assert_eq!(
json!(diagnostics),
json!({
"file:///a.ts": [
{
"start": {
"line": 0,
"character": 35,
},
"end": {
"line": 0,
"character": 35
},
"fileName": "file:///a.ts",
"messageText": "Identifier expected.",
"sourceLine": "const url = new URL(\"b.js\", import.",
"category": 1,
"code": 1003,
}
]
})
);
}
#[tokio::test]
async fn test_request_assets() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(&temp_dir, json!({}), &[]).await;
let assets = get_isolate_assets(&ts_server, snapshot).await;
let mut asset_names = assets
.iter()
.map(|a| {
a.specifier()
.to_string()
.replace("asset:///lib.", "")
.replace(".d.ts", "")
})
.collect::<Vec<_>>();
let mut expected_asset_names: Vec<String> = serde_json::from_str(
include_str!(concat!(env!("OUT_DIR"), "/lib_file_names.json")),
)
.unwrap();
asset_names.sort();
// if this test fails, update build.rs
expected_asset_names.sort();
assert_eq!(asset_names, expected_asset_names);
// get some notification when the size of the assets grows
let mut total_size = 0;
for asset in assets {
total_size += asset.text().len();
}
assert!(total_size > 0);
assert!(total_size < 2_000_000); // currently as of TS 4.6, it's 0.7MB
}
#[tokio::test]
async fn test_modify_sources() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, cache) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[(
"file:///a.ts",
r#"
import * as a from "https://deno.land/x/example/a.ts";
if (a.a === "b") {
console.log("fail");
}
"#,
1,
LanguageId::TypeScript,
)],
)
.await;
let specifier_dep =
resolve_url("https://deno.land/x/example/a.ts").unwrap();
cache
.set(
&specifier_dep,
HeadersMap::default(),
b"export const b = \"b\";\n",
)
.unwrap();
let specifier = resolve_url("file:///a.ts").unwrap();
let diagnostics = ts_server
.get_diagnostics(snapshot.clone(), vec![specifier], Default::default())
.await
.unwrap();
assert_eq!(
json!(diagnostics),
json!({
"file:///a.ts": [
{
"start": {
"line": 2,
"character": 16,
},
"end": {
"line": 2,
"character": 17
},
"fileName": "file:///a.ts",
"messageText": "Property \'a\' does not exist on type \'typeof import(\"https://deno.land/x/example/a\")\'.",
"sourceLine": " if (a.a === \"b\") {",
"code": 2339,
"category": 1,
}
]
})
);
cache
.set(
&specifier_dep,
HeadersMap::default(),
b"export const b = \"b\";\n\nexport const a = \"b\";\n",
)
.unwrap();
let snapshot = {
Arc::new(StateSnapshot {
project_version: snapshot.project_version + 1,
..snapshot.as_ref().clone()
})
};
ts_server.project_changed(
snapshot.clone(),
[(&specifier_dep, ChangeKind::Opened)],
false,
);
let specifier = resolve_url("file:///a.ts").unwrap();
let diagnostics = ts_server
.get_diagnostics(snapshot.clone(), vec![specifier], Default::default())
.await
.unwrap();
assert_eq!(
json!(diagnostics),
json!({
"file:///a.ts": []
})
);
}
#[test]
fn test_completion_entry_filter_text() {
let fixture = CompletionEntry {
kind: ScriptElementKind::MemberVariableElement,
name: "['foo']".to_string(),
insert_text: Some("['foo']".to_string()),
..Default::default()
};
let actual = fixture.get_filter_text();
assert_eq!(actual, Some(".foo".to_string()));
let fixture = CompletionEntry {
kind: ScriptElementKind::MemberVariableElement,
name: "#abc".to_string(),
..Default::default()
};
let actual = fixture.get_filter_text();
assert_eq!(actual, None);
let fixture = CompletionEntry {
kind: ScriptElementKind::MemberVariableElement,
name: "#abc".to_string(),
insert_text: Some("this.#abc".to_string()),
..Default::default()
};
let actual = fixture.get_filter_text();
assert_eq!(actual, Some("abc".to_string()));
}
#[tokio::test]
async fn test_completions() {
let fixture = r#"
import { B } from "https://deno.land/x/b/mod.ts";
const b = new B();
console.
"#;
let line_index = LineIndex::new(fixture);
let position = line_index
.offset_tsc(lsp::Position {
line: 5,
character: 16,
})
.unwrap();
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[("file:///a.ts", fixture, 1, LanguageId::TypeScript)],
)
.await;
let specifier = resolve_url("file:///a.ts").expect("could not resolve url");
let info = ts_server
.get_completions(
snapshot.clone(),
specifier.clone(),
position,
GetCompletionsAtPositionOptions {
user_preferences: UserPreferences {
include_completions_with_insert_text: Some(true),
..Default::default()
},
trigger_character: Some(".".to_string()),
trigger_kind: None,
},
Default::default(),
)
.await
.unwrap();
assert_eq!(info.entries.len(), 22);
let details = ts_server
.get_completion_details(
snapshot.clone(),
GetCompletionDetailsArgs {
specifier,
position,
name: "log".to_string(),
format_code_settings: None,
source: None,
preferences: None,
data: None,
},
)
.await
.unwrap()
.unwrap();
assert_eq!(
json!(details),
json!({
"name": "log",
"kindModifiers": "declare",
"kind": "method",
"displayParts": [
{
"text": "(",
"kind": "punctuation"
},
{
"text": "method",
"kind": "text"
},
{
"text": ")",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "Console",
"kind": "interfaceName"
},
{
"text": ".",
"kind": "punctuation"
},
{
"text": "log",
"kind": "methodName"
},
{
"text": "(",
"kind": "punctuation"
},
{
"text": "...",
"kind": "punctuation"
},
{
"text": "data",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "any",
"kind": "keyword"
},
{
"text": "[",
"kind": "punctuation"
},
{
"text": "]",
"kind": "punctuation"
},
{
"text": ")",
"kind": "punctuation"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "void",
"kind": "keyword"
}
],
"documentation": []
})
);
}
#[tokio::test]
async fn test_completions_fmt() {
let fixture_a = r#"
console.log(someLongVaria)
"#;
let fixture_b = r#"
export const someLongVariable = 1
"#;
let line_index = LineIndex::new(fixture_a);
let position = line_index
.offset_tsc(lsp::Position {
line: 1,
character: 33,
})
.unwrap();
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[
("file:///a.ts", fixture_a, 1, LanguageId::TypeScript),
("file:///b.ts", fixture_b, 1, LanguageId::TypeScript),
],
)
.await;
let specifier = resolve_url("file:///a.ts").expect("could not resolve url");
let fmt_options_config = FmtOptionsConfig {
semi_colons: Some(false),
single_quote: Some(true),
..Default::default()
};
let info = ts_server
.get_completions(
snapshot.clone(),
specifier.clone(),
position,
GetCompletionsAtPositionOptions {
user_preferences: UserPreferences {
quote_preference: Some((&fmt_options_config).into()),
include_completions_for_module_exports: Some(true),
include_completions_with_insert_text: Some(true),
..Default::default()
},
..Default::default()
},
FormatCodeSettings::from(&fmt_options_config),
)
.await
.unwrap();
let entry = info
.entries
.iter()
.find(|e| &e.name == "someLongVariable")
.unwrap();
let details = ts_server
.get_completion_details(
snapshot.clone(),
GetCompletionDetailsArgs {
specifier,
position,
name: entry.name.clone(),
format_code_settings: Some(FormatCodeSettings::from(
&fmt_options_config,
)),
source: entry.source.clone(),
preferences: Some(UserPreferences {
quote_preference: Some((&fmt_options_config).into()),
..Default::default()
}),
data: entry.data.clone(),
},
)
.await
.unwrap()
.unwrap();
let actions = details.code_actions.unwrap();
let action = actions
.iter()
.find(|a| &a.description == r#"Add import from "./b.ts""#)
.unwrap();
let changes = action.changes.first().unwrap();
let change = changes.text_changes.first().unwrap();
assert_eq!(
change.new_text,
"import { someLongVariable } from './b.ts'\n"
);
}
#[test]
fn test_classification_to_semantic_tokens_multiline_tokens() {
let line_index = Arc::new(LineIndex::new(" to\nken \n"));
let classifications = Classifications {
spans: vec![2, 6, 2057],
};
let semantic_tokens =
classifications.to_semantic_tokens(line_index).unwrap();
assert_eq!(
&semantic_tokens.data,
&[
lsp::SemanticToken {
delta_line: 0,
delta_start: 2,
length: 3,
token_type: 7,
token_modifiers_bitset: 9,
},
lsp::SemanticToken {
delta_line: 1,
delta_start: 0,
length: 3,
token_type: 7,
token_modifiers_bitset: 9,
},
]
);
}
#[tokio::test]
async fn test_get_edits_for_file_rename() {
let temp_dir = TempDir::new();
let (ts_server, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[
(
"file:///a.ts",
r#"import "./b.ts";"#,
1,
LanguageId::TypeScript,
),
("file:///b.ts", r#""#, 1, LanguageId::TypeScript),
],
)
.await;
let changes = ts_server
.get_edits_for_file_rename(
snapshot,
resolve_url("file:///b.ts").unwrap(),
resolve_url("file:///🦕.ts").unwrap(),
FormatCodeSettings::default(),
UserPreferences::default(),
)
.await
.unwrap();
assert_eq!(
changes,
vec![FileTextChanges {
file_name: "file:///a.ts".to_string(),
text_changes: vec![TextChange {
span: TextSpan {
start: 8,
length: 6,
},
new_text: "./🦕.ts".to_string(),
}],
is_new_file: None,
}]
);
}
#[test]
fn include_suppress_inlay_hint_settings() {
let mut settings = WorkspaceSettings::default();
settings
.typescript
.inlay_hints
.parameter_names
.suppress_when_argument_matches_name = true;
settings
.typescript
.inlay_hints
.variable_types
.suppress_when_type_matches_name = true;
let mut config = config::Config::default();
config.set_workspace_settings(settings, vec![]);
let user_preferences = UserPreferences::from_config_for_specifier(
&config,
&ModuleSpecifier::parse("file:///foo.ts").unwrap(),
);
assert_eq!(
user_preferences.include_inlay_variable_type_hints_when_type_matches_name,
Some(false)
);
assert_eq!(
user_preferences
.include_inlay_parameter_name_hints_when_argument_matches_name,
Some(false)
);
}
#[tokio::test]
async fn resolve_unknown_dependency() {
let temp_dir = TempDir::new();
let (_, snapshot, _) = setup(
&temp_dir,
json!({
"target": "esnext",
"module": "esnext",
"lib": ["deno.ns", "deno.window"],
"noEmit": true,
}),
&[("file:///a.ts", "", 1, LanguageId::TypeScript)],
)
.await;
let mut state = setup_op_state(snapshot);
let resolved = op_resolve_inner(
&mut state,
ResolveArgs {
base: "file:///a.ts".to_string(),
specifiers: vec!["./b.ts".to_string()],
},
)
.unwrap();
assert_eq!(
resolved,
vec![Some((
"file:///b.ts".to_string(),
MediaType::TypeScript.as_ts_extension().to_string()
))]
);
}
#[test]
fn coalesce_pending_change() {
use ChangeKind::*;
fn change<S: AsRef<str>>(
project_version: usize,
scripts: impl IntoIterator<Item = (S, ChangeKind)>,
config_changed: bool,
) -> PendingChange {
PendingChange {
project_version,
modified_scripts: scripts
.into_iter()
.map(|(s, c)| (s.as_ref().into(), c))
.collect(),
config_changed,
}
}
let cases = [
(
// start
change(1, [("file:///a.ts", Closed)], false),
// new
change(2, Some(("file:///b.ts", Opened)), false),
// expected
change(
2,
[("file:///a.ts", Closed), ("file:///b.ts", Opened)],
false,
),
),
(
// start
change(
1,
[("file:///a.ts", Closed), ("file:///b.ts", Opened)],
false,
),
// new
change(
2,
// a gets closed then reopened, b gets opened then closed
[("file:///a.ts", Opened), ("file:///b.ts", Closed)],
false,
),
// expected
change(
2,
[("file:///a.ts", Opened), ("file:///b.ts", Closed)],
false,
),
),
(
change(
1,
[("file:///a.ts", Opened), ("file:///b.ts", Modified)],
false,
),
// new
change(
2,
// a gets opened then modified, b gets modified then closed
[("file:///a.ts", Opened), ("file:///b.ts", Closed)],
false,
),
// expected
change(
2,
[("file:///a.ts", Opened), ("file:///b.ts", Closed)],
false,
),
),
];
for (start, new, expected) in cases {
let mut pending = start;
pending.coalesce(new.project_version, new.modified_scripts, false);
assert_eq!(pending, expected);
}
}
}
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