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denoland-deno/cli/lsp/documents.rs
David Sherret 21dd7f8a7f
chore: update copyright to 2024 (#21753)
2024-01-04 20:34:51 +01:00

2463 lines
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use super::cache::calculate_fs_version;
use super::cache::calculate_fs_version_at_path;
use super::language_server::StateNpmSnapshot;
use super::text::LineIndex;
use super::tsc;
use super::tsc::AssetDocument;
use crate::args::package_json;
use crate::args::package_json::PackageJsonDeps;
use crate::args::ConfigFile;
use crate::args::JsxImportSourceConfig;
use crate::cache::FastInsecureHasher;
use crate::cache::HttpCache;
use crate::file_fetcher::get_source_from_bytes;
use crate::file_fetcher::get_source_from_data_url;
use crate::file_fetcher::map_content_type;
use crate::lsp::logging::lsp_warn;
use crate::npm::CliNpmResolver;
use crate::resolver::CliGraphResolver;
use crate::resolver::CliGraphResolverOptions;
use crate::resolver::SloppyImportsFsEntry;
use crate::resolver::SloppyImportsResolution;
use crate::resolver::SloppyImportsResolver;
use crate::util::glob;
use crate::util::path::specifier_to_file_path;
use crate::util::text_encoding;
use deno_ast::MediaType;
use deno_ast::ParsedSource;
use deno_ast::SourceTextInfo;
use deno_core::error::custom_error;
use deno_core::error::AnyError;
use deno_core::futures::future;
use deno_core::futures::FutureExt;
use deno_core::parking_lot::Mutex;
use deno_core::url;
use deno_core::ModuleSpecifier;
use deno_graph::source::ResolutionMode;
use deno_graph::GraphImport;
use deno_graph::Resolution;
use deno_runtime::deno_fs::RealFs;
use deno_runtime::deno_node;
use deno_runtime::deno_node::NodeResolution;
use deno_runtime::deno_node::NodeResolutionMode;
use deno_runtime::deno_node::NodeResolver;
use deno_runtime::deno_node::PackageJson;
use deno_runtime::permissions::PermissionsContainer;
use deno_semver::npm::NpmPackageReqReference;
use deno_semver::package::PackageReq;
use indexmap::IndexMap;
use lsp::Url;
use once_cell::sync::Lazy;
use package_json::PackageJsonDepsProvider;
use std::borrow::Cow;
use std::collections::HashMap;
use std::collections::HashSet;
use std::collections::VecDeque;
use std::fs;
use std::fs::ReadDir;
use std::ops::Range;
use std::path::Path;
use std::path::PathBuf;
use std::str::FromStr;
use std::sync::Arc;
use tower_lsp::lsp_types as lsp;
static JS_HEADERS: Lazy<HashMap<String, String>> = Lazy::new(|| {
([(
"content-type".to_string(),
"application/javascript".to_string(),
)])
.into_iter()
.collect()
});
static JSX_HEADERS: Lazy<HashMap<String, String>> = Lazy::new(|| {
([("content-type".to_string(), "text/jsx".to_string())])
.into_iter()
.collect()
});
static TS_HEADERS: Lazy<HashMap<String, String>> = Lazy::new(|| {
([(
"content-type".to_string(),
"application/typescript".to_string(),
)])
.into_iter()
.collect()
});
static TSX_HEADERS: Lazy<HashMap<String, String>> = Lazy::new(|| {
([("content-type".to_string(), "text/tsx".to_string())])
.into_iter()
.collect()
});
pub const DOCUMENT_SCHEMES: [&str; 5] =
["data", "blob", "file", "http", "https"];
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum LanguageId {
JavaScript,
Jsx,
TypeScript,
Tsx,
Json,
JsonC,
Markdown,
Unknown,
}
impl LanguageId {
pub fn as_media_type(&self) -> MediaType {
match self {
LanguageId::JavaScript => MediaType::JavaScript,
LanguageId::Jsx => MediaType::Jsx,
LanguageId::TypeScript => MediaType::TypeScript,
LanguageId::Tsx => MediaType::Tsx,
LanguageId::Json => MediaType::Json,
LanguageId::JsonC => MediaType::Json,
LanguageId::Markdown | LanguageId::Unknown => MediaType::Unknown,
}
}
pub fn as_extension(&self) -> Option<&'static str> {
match self {
LanguageId::JavaScript => Some("js"),
LanguageId::Jsx => Some("jsx"),
LanguageId::TypeScript => Some("ts"),
LanguageId::Tsx => Some("tsx"),
LanguageId::Json => Some("json"),
LanguageId::JsonC => Some("jsonc"),
LanguageId::Markdown => Some("md"),
LanguageId::Unknown => None,
}
}
fn as_headers(&self) -> Option<&HashMap<String, String>> {
match self {
Self::JavaScript => Some(&JS_HEADERS),
Self::Jsx => Some(&JSX_HEADERS),
Self::TypeScript => Some(&TS_HEADERS),
Self::Tsx => Some(&TSX_HEADERS),
_ => None,
}
}
fn is_diagnosable(&self) -> bool {
matches!(
self,
Self::JavaScript | Self::Jsx | Self::TypeScript | Self::Tsx
)
}
}
impl FromStr for LanguageId {
type Err = AnyError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"javascript" => Ok(Self::JavaScript),
"javascriptreact" | "jsx" => Ok(Self::Jsx),
"typescript" => Ok(Self::TypeScript),
"typescriptreact" | "tsx" => Ok(Self::Tsx),
"json" => Ok(Self::Json),
"jsonc" => Ok(Self::JsonC),
"markdown" => Ok(Self::Markdown),
_ => Ok(Self::Unknown),
}
}
}
#[derive(Debug, PartialEq, Eq)]
enum IndexValid {
All,
UpTo(u32),
}
impl IndexValid {
fn covers(&self, line: u32) -> bool {
match *self {
IndexValid::UpTo(to) => to > line,
IndexValid::All => true,
}
}
}
#[derive(Debug, Clone)]
pub enum AssetOrDocument {
Document(Document),
Asset(AssetDocument),
}
impl AssetOrDocument {
pub fn specifier(&self) -> &ModuleSpecifier {
match self {
AssetOrDocument::Asset(asset) => asset.specifier(),
AssetOrDocument::Document(doc) => doc.specifier(),
}
}
pub fn document(&self) -> Option<&Document> {
match self {
AssetOrDocument::Asset(_) => None,
AssetOrDocument::Document(doc) => Some(doc),
}
}
pub fn text(&self) -> Arc<str> {
match self {
AssetOrDocument::Asset(a) => a.text(),
AssetOrDocument::Document(d) => d.0.text_info.text(),
}
}
pub fn line_index(&self) -> Arc<LineIndex> {
match self {
AssetOrDocument::Asset(a) => a.line_index(),
AssetOrDocument::Document(d) => d.line_index(),
}
}
pub fn maybe_navigation_tree(&self) -> Option<Arc<tsc::NavigationTree>> {
match self {
AssetOrDocument::Asset(a) => a.maybe_navigation_tree(),
AssetOrDocument::Document(d) => d.maybe_navigation_tree(),
}
}
pub fn media_type(&self) -> MediaType {
match self {
AssetOrDocument::Asset(_) => MediaType::TypeScript, // assets are always TypeScript
AssetOrDocument::Document(d) => d.media_type(),
}
}
pub fn get_maybe_dependency(
&self,
position: &lsp::Position,
) -> Option<(String, deno_graph::Dependency, deno_graph::Range)> {
self
.document()
.and_then(|d| d.get_maybe_dependency(position))
}
pub fn maybe_parsed_source(
&self,
) -> Option<Result<deno_ast::ParsedSource, deno_ast::Diagnostic>> {
self.document().and_then(|d| d.maybe_parsed_source())
}
pub fn document_lsp_version(&self) -> Option<i32> {
self.document().and_then(|d| d.maybe_lsp_version())
}
pub fn is_open(&self) -> bool {
self.document().map(|d| d.is_open()).unwrap_or(false)
}
}
#[derive(Debug, Default)]
struct DocumentDependencies {
deps: IndexMap<String, deno_graph::Dependency>,
maybe_types_dependency: Option<deno_graph::TypesDependency>,
}
impl DocumentDependencies {
pub fn from_maybe_module(maybe_module: &Option<ModuleResult>) -> Self {
if let Some(Ok(module)) = &maybe_module {
Self::from_module(module)
} else {
Self::default()
}
}
pub fn from_module(module: &deno_graph::EsmModule) -> Self {
Self {
deps: module.dependencies.clone(),
maybe_types_dependency: module.maybe_types_dependency.clone(),
}
}
}
type ModuleResult = Result<deno_graph::EsmModule, deno_graph::ModuleGraphError>;
type ParsedSourceResult = Result<ParsedSource, deno_ast::Diagnostic>;
#[derive(Debug)]
struct DocumentInner {
/// Contains the last-known-good set of dependencies from parsing the module.
dependencies: Arc<DocumentDependencies>,
fs_version: String,
line_index: Arc<LineIndex>,
maybe_headers: Option<HashMap<String, String>>,
maybe_language_id: Option<LanguageId>,
maybe_lsp_version: Option<i32>,
maybe_module: Option<ModuleResult>,
// this is a lazily constructed value based on the state of the document,
// so having a mutex to hold it is ok
maybe_navigation_tree: Mutex<Option<Arc<tsc::NavigationTree>>>,
maybe_parsed_source: Option<ParsedSourceResult>,
specifier: ModuleSpecifier,
text_info: SourceTextInfo,
}
#[derive(Debug, Clone)]
pub struct Document(Arc<DocumentInner>);
impl Document {
fn new(
specifier: ModuleSpecifier,
fs_version: String,
maybe_headers: Option<HashMap<String, String>>,
text_info: SourceTextInfo,
resolver: &dyn deno_graph::source::Resolver,
npm_resolver: &dyn deno_graph::source::NpmResolver,
) -> Self {
// we only ever do `Document::new` on on disk resources that are supposed to
// be diagnosable, unlike `Document::open`, so it is safe to unconditionally
// parse the module.
let (maybe_parsed_source, maybe_module) = parse_and_analyze_module(
&specifier,
text_info.clone(),
maybe_headers.as_ref(),
resolver,
npm_resolver,
);
let dependencies =
Arc::new(DocumentDependencies::from_maybe_module(&maybe_module));
let line_index = Arc::new(LineIndex::new(text_info.text_str()));
Self(Arc::new(DocumentInner {
dependencies,
fs_version,
line_index,
maybe_headers,
maybe_language_id: None,
maybe_lsp_version: None,
maybe_module,
maybe_navigation_tree: Mutex::new(None),
maybe_parsed_source,
text_info,
specifier,
}))
}
fn maybe_with_new_resolver(
&self,
resolver: &dyn deno_graph::source::Resolver,
npm_resolver: &dyn deno_graph::source::NpmResolver,
) -> Option<Self> {
let parsed_source_result = match &self.0.maybe_parsed_source {
Some(parsed_source_result) => parsed_source_result.clone(),
None => return None, // nothing to change
};
let maybe_module = Some(analyze_module(
&self.0.specifier,
&parsed_source_result,
self.0.maybe_headers.as_ref(),
resolver,
npm_resolver,
));
let dependencies =
Arc::new(DocumentDependencies::from_maybe_module(&maybe_module));
Some(Self(Arc::new(DocumentInner {
// updated properties
dependencies,
maybe_module,
maybe_navigation_tree: Mutex::new(None),
maybe_parsed_source: Some(parsed_source_result),
// maintain - this should all be copies/clones
fs_version: self.0.fs_version.clone(),
line_index: self.0.line_index.clone(),
maybe_headers: self.0.maybe_headers.clone(),
maybe_language_id: self.0.maybe_language_id,
maybe_lsp_version: self.0.maybe_lsp_version,
text_info: self.0.text_info.clone(),
specifier: self.0.specifier.clone(),
})))
}
fn open(
specifier: ModuleSpecifier,
version: i32,
language_id: LanguageId,
content: Arc<str>,
cache: &Arc<dyn HttpCache>,
resolver: &dyn deno_graph::source::Resolver,
npm_resolver: &dyn deno_graph::source::NpmResolver,
) -> Self {
let maybe_headers = language_id.as_headers();
let text_info = SourceTextInfo::new(content);
let (maybe_parsed_source, maybe_module) = if language_id.is_diagnosable() {
parse_and_analyze_module(
&specifier,
text_info.clone(),
maybe_headers,
resolver,
npm_resolver,
)
} else {
(None, None)
};
let dependencies =
Arc::new(DocumentDependencies::from_maybe_module(&maybe_module));
let line_index = Arc::new(LineIndex::new(text_info.text_str()));
Self(Arc::new(DocumentInner {
dependencies,
fs_version: calculate_fs_version(cache, &specifier)
.unwrap_or_else(|| "1".to_string()),
line_index,
maybe_language_id: Some(language_id),
maybe_lsp_version: Some(version),
maybe_headers: maybe_headers.map(ToOwned::to_owned),
maybe_module,
maybe_navigation_tree: Mutex::new(None),
maybe_parsed_source,
text_info,
specifier,
}))
}
fn with_change(
&self,
version: i32,
changes: Vec<lsp::TextDocumentContentChangeEvent>,
resolver: &dyn deno_graph::source::Resolver,
npm_resolver: &dyn deno_graph::source::NpmResolver,
) -> Result<Document, AnyError> {
let mut content = self.0.text_info.text_str().to_string();
let mut line_index = self.0.line_index.clone();
let mut index_valid = IndexValid::All;
for change in changes {
if let Some(range) = change.range {
if !index_valid.covers(range.start.line) {
line_index = Arc::new(LineIndex::new(&content));
}
index_valid = IndexValid::UpTo(range.start.line);
let range = line_index.get_text_range(range)?;
content.replace_range(Range::<usize>::from(range), &change.text);
} else {
content = change.text;
index_valid = IndexValid::UpTo(0);
}
}
let text_info = SourceTextInfo::from_string(content);
let (maybe_parsed_source, maybe_module) = if self
.0
.maybe_language_id
.as_ref()
.map(|li| li.is_diagnosable())
.unwrap_or(false)
{
let maybe_headers = self
.0
.maybe_language_id
.as_ref()
.and_then(|li| li.as_headers());
parse_and_analyze_module(
&self.0.specifier,
text_info.clone(),
maybe_headers,
resolver,
npm_resolver,
)
} else {
(None, None)
};
let dependencies = if let Some(Ok(module)) = &maybe_module {
Arc::new(DocumentDependencies::from_module(module))
} else {
self.0.dependencies.clone() // use the last known good
};
let line_index = if index_valid == IndexValid::All {
line_index
} else {
Arc::new(LineIndex::new(text_info.text_str()))
};
Ok(Document(Arc::new(DocumentInner {
specifier: self.0.specifier.clone(),
fs_version: self.0.fs_version.clone(),
maybe_language_id: self.0.maybe_language_id,
dependencies,
text_info,
line_index,
maybe_headers: self.0.maybe_headers.clone(),
maybe_module,
maybe_parsed_source,
maybe_lsp_version: Some(version),
maybe_navigation_tree: Mutex::new(None),
})))
}
pub fn saved(&self, cache: &Arc<dyn HttpCache>) -> Document {
Document(Arc::new(DocumentInner {
specifier: self.0.specifier.clone(),
fs_version: calculate_fs_version(cache, &self.0.specifier)
.unwrap_or_else(|| "1".to_string()),
maybe_language_id: self.0.maybe_language_id,
dependencies: self.0.dependencies.clone(),
text_info: self.0.text_info.clone(),
line_index: self.0.line_index.clone(),
maybe_headers: self.0.maybe_headers.clone(),
maybe_module: self.0.maybe_module.clone(),
maybe_parsed_source: self.0.maybe_parsed_source.clone(),
maybe_lsp_version: self.0.maybe_lsp_version,
maybe_navigation_tree: Mutex::new(None),
}))
}
pub fn specifier(&self) -> &ModuleSpecifier {
&self.0.specifier
}
pub fn content(&self) -> Arc<str> {
self.0.text_info.text()
}
pub fn text_info(&self) -> SourceTextInfo {
self.0.text_info.clone()
}
pub fn line_index(&self) -> Arc<LineIndex> {
self.0.line_index.clone()
}
fn fs_version(&self) -> &str {
self.0.fs_version.as_str()
}
pub fn script_version(&self) -> String {
self
.maybe_lsp_version()
.map(|v| format!("{}+{v}", self.fs_version()))
.unwrap_or_else(|| self.fs_version().to_string())
}
pub fn is_diagnosable(&self) -> bool {
matches!(
self.media_type(),
MediaType::JavaScript
| MediaType::Jsx
| MediaType::Mjs
| MediaType::Cjs
| MediaType::TypeScript
| MediaType::Tsx
| MediaType::Mts
| MediaType::Cts
| MediaType::Dts
| MediaType::Dmts
| MediaType::Dcts
)
}
pub fn is_open(&self) -> bool {
self.0.maybe_lsp_version.is_some()
}
pub fn maybe_types_dependency(&self) -> Resolution {
if let Some(types_dep) = self.0.dependencies.maybe_types_dependency.as_ref()
{
types_dep.dependency.clone()
} else {
Resolution::None
}
}
pub fn media_type(&self) -> MediaType {
if let Some(Ok(module)) = &self.0.maybe_module {
return module.media_type;
}
let specifier_media_type = MediaType::from_specifier(&self.0.specifier);
if specifier_media_type != MediaType::Unknown {
return specifier_media_type;
}
self
.0
.maybe_language_id
.map(|id| id.as_media_type())
.unwrap_or(MediaType::Unknown)
}
pub fn maybe_language_id(&self) -> Option<LanguageId> {
self.0.maybe_language_id
}
/// Returns the current language server client version if any.
pub fn maybe_lsp_version(&self) -> Option<i32> {
self.0.maybe_lsp_version
}
fn maybe_esm_module(&self) -> Option<&ModuleResult> {
self.0.maybe_module.as_ref()
}
pub fn maybe_parsed_source(
&self,
) -> Option<Result<deno_ast::ParsedSource, deno_ast::Diagnostic>> {
self.0.maybe_parsed_source.clone()
}
pub fn maybe_navigation_tree(&self) -> Option<Arc<tsc::NavigationTree>> {
self.0.maybe_navigation_tree.lock().clone()
}
pub fn update_navigation_tree_if_version(
&self,
tree: Arc<tsc::NavigationTree>,
script_version: &str,
) {
// Ensure we are updating the same document that the navigation tree was
// created for. Note: this should not be racy between the version check
// and setting the navigation tree, because the document is immutable
// and this is enforced by it being wrapped in an Arc.
if self.script_version() == script_version {
*self.0.maybe_navigation_tree.lock() = Some(tree);
}
}
pub fn dependencies(&self) -> &IndexMap<String, deno_graph::Dependency> {
&self.0.dependencies.deps
}
/// If the supplied position is within a dependency range, return the resolved
/// string specifier for the dependency, the resolved dependency and the range
/// in the source document of the specifier.
pub fn get_maybe_dependency(
&self,
position: &lsp::Position,
) -> Option<(String, deno_graph::Dependency, deno_graph::Range)> {
let module = self.maybe_esm_module()?.as_ref().ok()?;
let position = deno_graph::Position {
line: position.line as usize,
character: position.character as usize,
};
module.dependencies.iter().find_map(|(s, dep)| {
dep
.includes(&position)
.map(|r| (s.clone(), dep.clone(), r.clone()))
})
}
}
pub fn to_hover_text(result: &Resolution) -> String {
match result {
Resolution::Ok(resolved) => {
let specifier = &resolved.specifier;
match specifier.scheme() {
"data" => "_(a data url)_".to_string(),
"blob" => "_(a blob url)_".to_string(),
_ => format!(
"{}&#8203;{}",
&specifier[..url::Position::AfterScheme],
&specifier[url::Position::AfterScheme..],
)
.replace('@', "&#8203;@"),
}
}
Resolution::Err(_) => "_[errored]_".to_string(),
Resolution::None => "_[missing]_".to_string(),
}
}
pub fn to_lsp_range(range: &deno_graph::Range) -> lsp::Range {
lsp::Range {
start: lsp::Position {
line: range.start.line as u32,
character: range.start.character as u32,
},
end: lsp::Position {
line: range.end.line as u32,
character: range.end.character as u32,
},
}
}
/// Recurse and collect specifiers that appear in the dependent map.
fn recurse_dependents(
specifier: &ModuleSpecifier,
map: &HashMap<ModuleSpecifier, HashSet<ModuleSpecifier>>,
dependents: &mut HashSet<ModuleSpecifier>,
) {
if let Some(deps) = map.get(specifier) {
for dep in deps {
if !dependents.contains(dep) {
dependents.insert(dep.clone());
recurse_dependents(dep, map, dependents);
}
}
}
}
#[derive(Debug)]
struct RedirectResolver {
cache: Arc<dyn HttpCache>,
redirects: Mutex<HashMap<ModuleSpecifier, ModuleSpecifier>>,
}
impl RedirectResolver {
pub fn new(cache: Arc<dyn HttpCache>) -> Self {
Self {
cache,
redirects: Mutex::new(HashMap::new()),
}
}
pub fn resolve(
&self,
specifier: &ModuleSpecifier,
) -> Option<ModuleSpecifier> {
let scheme = specifier.scheme();
if !DOCUMENT_SCHEMES.contains(&scheme) {
return None;
}
if scheme == "http" || scheme == "https" {
let mut redirects = self.redirects.lock();
if let Some(specifier) = redirects.get(specifier) {
Some(specifier.clone())
} else {
let redirect = self.resolve_remote(specifier, 10)?;
redirects.insert(specifier.clone(), redirect.clone());
Some(redirect)
}
} else {
Some(specifier.clone())
}
}
fn resolve_remote(
&self,
specifier: &ModuleSpecifier,
redirect_limit: usize,
) -> Option<ModuleSpecifier> {
if redirect_limit > 0 {
let cache_key = self.cache.cache_item_key(specifier).ok()?;
let headers = self
.cache
.read_metadata(&cache_key)
.ok()
.flatten()
.map(|m| m.headers)?;
if let Some(location) = headers.get("location") {
let redirect =
deno_core::resolve_import(location, specifier.as_str()).ok()?;
self.resolve_remote(&redirect, redirect_limit - 1)
} else {
Some(specifier.clone())
}
} else {
None
}
}
}
#[derive(Debug, Default)]
struct FileSystemDocuments {
docs: HashMap<ModuleSpecifier, Document>,
dirty: bool,
}
impl FileSystemDocuments {
pub fn get(
&mut self,
cache: &Arc<dyn HttpCache>,
resolver: &dyn deno_graph::source::Resolver,
specifier: &ModuleSpecifier,
npm_resolver: &dyn deno_graph::source::NpmResolver,
) -> Option<Document> {
let fs_version = if specifier.scheme() == "data" {
Some("1".to_string())
} else {
calculate_fs_version(cache, specifier)
};
let file_system_doc = self.docs.get(specifier);
if file_system_doc.map(|d| d.fs_version().to_string()) != fs_version {
// attempt to update the file on the file system
self.refresh_document(cache, resolver, specifier, npm_resolver)
} else {
file_system_doc.cloned()
}
}
/// Adds or updates a document by reading the document from the file system
/// returning the document.
fn refresh_document(
&mut self,
cache: &Arc<dyn HttpCache>,
resolver: &dyn deno_graph::source::Resolver,
specifier: &ModuleSpecifier,
npm_resolver: &dyn deno_graph::source::NpmResolver,
) -> Option<Document> {
let doc = if specifier.scheme() == "file" {
let path = specifier_to_file_path(specifier).ok()?;
let fs_version = calculate_fs_version_at_path(&path)?;
let bytes = fs::read(path).ok()?;
let maybe_charset =
Some(text_encoding::detect_charset(&bytes).to_string());
let content = get_source_from_bytes(bytes, maybe_charset).ok()?;
Document::new(
specifier.clone(),
fs_version,
None,
SourceTextInfo::from_string(content),
resolver,
npm_resolver,
)
} else if specifier.scheme() == "data" {
let (source, _) = get_source_from_data_url(specifier).ok()?;
Document::new(
specifier.clone(),
"1".to_string(),
None,
SourceTextInfo::from_string(source),
resolver,
npm_resolver,
)
} else {
let fs_version = calculate_fs_version(cache, specifier)?;
let cache_key = cache.cache_item_key(specifier).ok()?;
let bytes = cache.read_file_bytes(&cache_key).ok()??;
let specifier_metadata = cache.read_metadata(&cache_key).ok()??;
let maybe_content_type = specifier_metadata.headers.get("content-type");
let (_, maybe_charset) = map_content_type(specifier, maybe_content_type);
let maybe_headers = Some(specifier_metadata.headers);
let content = get_source_from_bytes(bytes, maybe_charset).ok()?;
Document::new(
specifier.clone(),
fs_version,
maybe_headers,
SourceTextInfo::from_string(content),
resolver,
npm_resolver,
)
};
self.dirty = true;
self.docs.insert(specifier.clone(), doc.clone());
Some(doc)
}
}
pub struct UpdateDocumentConfigOptions<'a> {
pub enabled_paths: Vec<PathBuf>,
pub disabled_paths: Vec<PathBuf>,
pub document_preload_limit: usize,
pub maybe_import_map: Option<Arc<import_map::ImportMap>>,
pub maybe_config_file: Option<&'a ConfigFile>,
pub maybe_package_json: Option<&'a PackageJson>,
pub node_resolver: Option<Arc<NodeResolver>>,
pub npm_resolver: Option<Arc<dyn CliNpmResolver>>,
}
/// Specify the documents to include on a `documents.documents(...)` call.
#[derive(Debug, Clone, Copy)]
pub enum DocumentsFilter {
/// Includes all the documents (diagnosable & non-diagnosable, open & file system).
All,
/// Includes all the diagnosable documents (open & file system).
AllDiagnosable,
/// Includes only the diagnosable documents that are open.
OpenDiagnosable,
}
#[derive(Debug, Clone)]
pub struct Documents {
/// The DENO_DIR that the documents looks for non-file based modules.
cache: Arc<dyn HttpCache>,
/// A flag that indicates that stated data is potentially invalid and needs to
/// be recalculated before being considered valid.
dirty: bool,
/// A map where the key is a specifier and the value is a set of specifiers
/// that depend on the key.
dependents_map: Arc<HashMap<ModuleSpecifier, HashSet<ModuleSpecifier>>>,
/// A map of documents that are "open" in the language server.
open_docs: HashMap<ModuleSpecifier, Document>,
/// Documents stored on the file system.
file_system_docs: Arc<Mutex<FileSystemDocuments>>,
/// Hash of the config used for resolution. When the hash changes we update
/// dependencies.
resolver_config_hash: u64,
/// Any imports to the context supplied by configuration files. This is like
/// the imports into the a module graph in CLI.
imports: Arc<IndexMap<ModuleSpecifier, GraphImport>>,
/// A resolver that takes into account currently loaded import map and JSX
/// settings.
resolver: Arc<CliGraphResolver>,
/// The npm package requirements found in npm specifiers.
npm_specifier_reqs: Arc<Vec<PackageReq>>,
/// Gets if any document had a node: specifier such that a @types/node package
/// should be injected.
has_injected_types_node_package: bool,
/// Resolves a specifier to its final redirected to specifier.
redirect_resolver: Arc<RedirectResolver>,
/// If --unstable-sloppy-imports is enabled.
unstable_sloppy_imports: bool,
}
impl Documents {
pub fn new(cache: Arc<dyn HttpCache>) -> Self {
Self {
cache: cache.clone(),
dirty: true,
dependents_map: Default::default(),
open_docs: HashMap::default(),
file_system_docs: Default::default(),
resolver_config_hash: 0,
imports: Default::default(),
resolver: Arc::new(CliGraphResolver::new(CliGraphResolverOptions {
fs: Arc::new(RealFs),
node_resolver: None,
npm_resolver: None,
cjs_resolutions: None,
package_json_deps_provider: Arc::new(PackageJsonDepsProvider::default()),
maybe_jsx_import_source_config: None,
maybe_import_map: None,
maybe_vendor_dir: None,
bare_node_builtins_enabled: false,
sloppy_imports_resolver: None,
})),
npm_specifier_reqs: Default::default(),
has_injected_types_node_package: false,
redirect_resolver: Arc::new(RedirectResolver::new(cache)),
unstable_sloppy_imports: false,
}
}
pub fn module_graph_imports(&self) -> impl Iterator<Item = &ModuleSpecifier> {
self
.imports
.values()
.flat_map(|i| i.dependencies.values())
.flat_map(|value| value.get_type().or_else(|| value.get_code()))
}
/// "Open" a document from the perspective of the editor, meaning that
/// requests for information from the document will come from the in-memory
/// representation received from the language server client, versus reading
/// information from the disk.
pub fn open(
&mut self,
specifier: ModuleSpecifier,
version: i32,
language_id: LanguageId,
content: Arc<str>,
) -> Document {
let resolver = self.get_resolver();
let npm_resolver = self.get_npm_resolver();
let document = Document::open(
specifier.clone(),
version,
language_id,
content,
&self.cache,
resolver,
npm_resolver,
);
let mut file_system_docs = self.file_system_docs.lock();
file_system_docs.docs.remove(&specifier);
file_system_docs.dirty = true;
self.open_docs.insert(specifier, document.clone());
self.dirty = true;
document
}
/// Apply language server content changes to an open document.
pub fn change(
&mut self,
specifier: &ModuleSpecifier,
version: i32,
changes: Vec<lsp::TextDocumentContentChangeEvent>,
) -> Result<Document, AnyError> {
let doc = self
.open_docs
.get(specifier)
.cloned()
.or_else(|| {
let mut file_system_docs = self.file_system_docs.lock();
file_system_docs.docs.remove(specifier)
})
.map(Ok)
.unwrap_or_else(|| {
Err(custom_error(
"NotFound",
format!("The specifier \"{specifier}\" was not found."),
))
})?;
self.dirty = true;
let doc = doc.with_change(
version,
changes,
self.get_resolver(),
self.get_npm_resolver(),
)?;
self.open_docs.insert(doc.specifier().clone(), doc.clone());
Ok(doc)
}
pub fn save(&mut self, specifier: &ModuleSpecifier) {
let doc = self.open_docs.get(specifier).cloned().or_else(|| {
let mut file_system_docs = self.file_system_docs.lock();
file_system_docs.docs.remove(specifier)
});
let Some(doc) = doc else {
return;
};
self.dirty = true;
let doc = doc.saved(&self.cache);
self.open_docs.insert(doc.specifier().clone(), doc.clone());
}
/// Close an open document, this essentially clears any editor state that is
/// being held, and the document store will revert to the file system if
/// information about the document is required.
pub fn close(&mut self, specifier: &ModuleSpecifier) -> Result<(), AnyError> {
if let Some(document) = self.open_docs.remove(specifier) {
let mut file_system_docs = self.file_system_docs.lock();
file_system_docs.docs.insert(specifier.clone(), document);
self.dirty = true;
}
Ok(())
}
/// Return `true` if the provided specifier can be resolved to a document,
/// otherwise `false`.
pub fn contains_import(
&self,
specifier: &str,
referrer: &ModuleSpecifier,
) -> bool {
let maybe_specifier = self
.get_resolver()
.resolve(
specifier,
&deno_graph::Range {
specifier: referrer.clone(),
start: deno_graph::Position::zeroed(),
end: deno_graph::Position::zeroed(),
},
ResolutionMode::Types,
)
.ok();
if let Some(import_specifier) = maybe_specifier {
self.exists(&import_specifier)
} else {
false
}
}
pub fn resolve_specifier(
&self,
specifier: &ModuleSpecifier,
) -> Option<ModuleSpecifier> {
if self.unstable_sloppy_imports && specifier.scheme() == "file" {
Some(
self
.resolve_unstable_sloppy_import(specifier)
.into_specifier()
.into_owned(),
)
} else {
self.redirect_resolver.resolve(specifier)
}
}
fn resolve_unstable_sloppy_import<'a>(
&self,
specifier: &'a ModuleSpecifier,
) -> SloppyImportsResolution<'a> {
SloppyImportsResolver::resolve_with_stat_sync(specifier, |path| {
if let Ok(specifier) = ModuleSpecifier::from_file_path(path) {
if self.open_docs.contains_key(&specifier)
|| self.cache.contains(&specifier)
{
return Some(SloppyImportsFsEntry::File);
}
}
path.metadata().ok().and_then(|m| {
if m.is_file() {
Some(SloppyImportsFsEntry::File)
} else if m.is_dir() {
Some(SloppyImportsFsEntry::Dir)
} else {
None
}
})
})
}
/// Return `true` if the specifier can be resolved to a document.
pub fn exists(&self, specifier: &ModuleSpecifier) -> bool {
let specifier = self.resolve_specifier(specifier);
if let Some(specifier) = specifier {
if self.open_docs.contains_key(&specifier) {
return true;
}
if specifier.scheme() == "data" {
return true;
}
if specifier.scheme() == "file" {
return specifier_to_file_path(&specifier)
.map(|p| p.is_file())
.unwrap_or(false);
}
if self.cache.contains(&specifier) {
return true;
}
}
false
}
/// Return an array of specifiers, if any, that are dependent upon the
/// supplied specifier. This is used to determine invalidation of diagnostics
/// when a module has been changed.
pub fn dependents(
&mut self,
specifier: &ModuleSpecifier,
) -> Vec<ModuleSpecifier> {
self.calculate_dependents_if_dirty();
let mut dependents = HashSet::new();
if let Some(specifier) = self.resolve_specifier(specifier) {
recurse_dependents(&specifier, &self.dependents_map, &mut dependents);
dependents.into_iter().collect()
} else {
vec![]
}
}
/// Returns a collection of npm package requirements.
pub fn npm_package_reqs(&mut self) -> Arc<Vec<PackageReq>> {
self.calculate_dependents_if_dirty();
self.npm_specifier_reqs.clone()
}
/// Returns if a @types/node package was injected into the npm
/// resolver based on the state of the documents.
pub fn has_injected_types_node_package(&self) -> bool {
self.has_injected_types_node_package
}
/// Return a document for the specifier.
pub fn get(&self, original_specifier: &ModuleSpecifier) -> Option<Document> {
let specifier = self.resolve_specifier(original_specifier)?;
if let Some(document) = self.open_docs.get(&specifier) {
Some(document.clone())
} else {
let mut file_system_docs = self.file_system_docs.lock();
file_system_docs.get(
&self.cache,
self.get_resolver(),
&specifier,
self.get_npm_resolver(),
)
}
}
/// Return a collection of documents that are contained in the document store
/// based on the provided filter.
pub fn documents(&self, filter: DocumentsFilter) -> Vec<Document> {
match filter {
DocumentsFilter::OpenDiagnosable => self
.open_docs
.values()
.filter_map(|doc| {
if doc.is_diagnosable() {
Some(doc.clone())
} else {
None
}
})
.collect(),
DocumentsFilter::AllDiagnosable | DocumentsFilter::All => {
let diagnosable_only =
matches!(filter, DocumentsFilter::AllDiagnosable);
// it is technically possible for a Document to end up in both the open
// and closed documents so we need to ensure we don't return duplicates
let mut seen_documents = HashSet::new();
let file_system_docs = self.file_system_docs.lock();
self
.open_docs
.values()
.chain(file_system_docs.docs.values())
.filter_map(|doc| {
// this prefers the open documents
if seen_documents.insert(doc.specifier().clone())
&& (!diagnosable_only || doc.is_diagnosable())
{
Some(doc.clone())
} else {
None
}
})
.collect()
}
}
}
/// For a given set of string specifiers, resolve each one from the graph,
/// for a given referrer. This is used to provide resolution information to
/// tsc when type checking.
pub fn resolve(
&self,
specifiers: Vec<String>,
referrer_doc: &AssetOrDocument,
maybe_npm: Option<&StateNpmSnapshot>,
) -> Vec<Option<(ModuleSpecifier, MediaType)>> {
let referrer = referrer_doc.specifier();
let dependencies = match referrer_doc {
AssetOrDocument::Asset(_) => None,
AssetOrDocument::Document(doc) => Some(doc.0.dependencies.clone()),
};
let mut results = Vec::new();
for specifier in specifiers {
if let Some(npm) = maybe_npm {
if npm.node_resolver.in_npm_package(referrer) {
// we're in an npm package, so use node resolution
results.push(Some(NodeResolution::into_specifier_and_media_type(
npm
.node_resolver
.resolve(
&specifier,
referrer,
NodeResolutionMode::Types,
&PermissionsContainer::allow_all(),
)
.ok()
.flatten(),
)));
continue;
}
}
if specifier.starts_with("asset:") {
if let Ok(specifier) = ModuleSpecifier::parse(&specifier) {
let media_type = MediaType::from_specifier(&specifier);
results.push(Some((specifier, media_type)));
} else {
results.push(None);
}
} else if let Some(dep) =
dependencies.as_ref().and_then(|d| d.deps.get(&specifier))
{
if let Some(specifier) = dep.maybe_type.maybe_specifier() {
results.push(self.resolve_dependency(specifier, maybe_npm, referrer));
} else if let Some(specifier) = dep.maybe_code.maybe_specifier() {
results.push(self.resolve_dependency(specifier, maybe_npm, referrer));
} else {
results.push(None);
}
} else if let Some(specifier) = self
.resolve_imports_dependency(&specifier)
.and_then(|r| r.maybe_specifier())
{
results.push(self.resolve_dependency(specifier, maybe_npm, referrer));
} else if let Ok(npm_req_ref) =
NpmPackageReqReference::from_str(&specifier)
{
results.push(node_resolve_npm_req_ref(
npm_req_ref,
maybe_npm,
referrer,
));
} else {
results.push(None);
}
}
results
}
/// Update the location of the on disk cache for the document store.
pub fn set_cache(&mut self, cache: Arc<dyn HttpCache>) {
// TODO update resolved dependencies?
self.cache = cache.clone();
self.redirect_resolver = Arc::new(RedirectResolver::new(cache));
self.dirty = true;
}
/// Tries to cache a navigation tree that is associated with the provided specifier
/// if the document stored has the same script version.
pub fn try_cache_navigation_tree(
&self,
specifier: &ModuleSpecifier,
script_version: &str,
navigation_tree: Arc<tsc::NavigationTree>,
) -> Result<(), AnyError> {
if let Some(doc) = self.open_docs.get(specifier) {
doc.update_navigation_tree_if_version(navigation_tree, script_version)
} else {
let mut file_system_docs = self.file_system_docs.lock();
if let Some(doc) = file_system_docs.docs.get_mut(specifier) {
doc.update_navigation_tree_if_version(navigation_tree, script_version);
} else {
return Err(custom_error(
"NotFound",
format!("Specifier not found {specifier}"),
));
}
}
Ok(())
}
pub fn update_config(&mut self, options: UpdateDocumentConfigOptions) {
fn calculate_resolver_config_hash(
enabled_paths: &[PathBuf],
document_preload_limit: usize,
maybe_import_map: Option<&import_map::ImportMap>,
maybe_jsx_config: Option<&JsxImportSourceConfig>,
maybe_vendor_dir: Option<bool>,
maybe_package_json_deps: Option<&PackageJsonDeps>,
maybe_unstable_flags: Option<&Vec<String>>,
) -> u64 {
let mut hasher = FastInsecureHasher::default();
hasher.write_hashable(document_preload_limit);
hasher.write_hashable(&{
// ensure these are sorted so the hashing is deterministic
let mut enabled_paths = enabled_paths.to_vec();
enabled_paths.sort_unstable();
enabled_paths
});
if let Some(import_map) = maybe_import_map {
hasher.write_str(&import_map.to_json());
hasher.write_str(import_map.base_url().as_str());
}
hasher.write_hashable(maybe_vendor_dir);
hasher.write_hashable(maybe_jsx_config);
hasher.write_hashable(maybe_unstable_flags);
if let Some(package_json_deps) = &maybe_package_json_deps {
// We need to ensure the hashing is deterministic so explicitly type
// this in order to catch if the type of package_json_deps ever changes
// from a deterministic IndexMap to something else.
let package_json_deps: &IndexMap<_, _> = *package_json_deps;
for (key, value) in package_json_deps {
hasher.write_hashable(key);
match value {
Ok(value) => {
hasher.write_hashable(value);
}
Err(err) => {
hasher.write_str(&err.to_string());
}
}
}
}
hasher.finish()
}
let maybe_package_json_deps =
options.maybe_package_json.map(|package_json| {
package_json::get_local_package_json_version_reqs(package_json)
});
let maybe_jsx_config = options
.maybe_config_file
.and_then(|cf| cf.to_maybe_jsx_import_source_config().ok().flatten());
let new_resolver_config_hash = calculate_resolver_config_hash(
&options.enabled_paths,
options.document_preload_limit,
options.maybe_import_map.as_deref(),
maybe_jsx_config.as_ref(),
options.maybe_config_file.and_then(|c| c.vendor_dir_flag()),
maybe_package_json_deps.as_ref(),
options.maybe_config_file.map(|c| &c.json.unstable),
);
let deps_provider =
Arc::new(PackageJsonDepsProvider::new(maybe_package_json_deps));
let fs = Arc::new(RealFs);
self.resolver = Arc::new(CliGraphResolver::new(CliGraphResolverOptions {
fs: fs.clone(),
node_resolver: options.node_resolver,
npm_resolver: options.npm_resolver,
cjs_resolutions: None, // only used for runtime
package_json_deps_provider: deps_provider,
maybe_jsx_import_source_config: maybe_jsx_config,
maybe_import_map: options.maybe_import_map,
maybe_vendor_dir: options
.maybe_config_file
.and_then(|c| c.vendor_dir_path())
.as_ref(),
bare_node_builtins_enabled: options
.maybe_config_file
.map(|config| config.has_unstable("bare-node-builtins"))
.unwrap_or(false),
// Don't set this for the LSP because instead we'll use the OpenDocumentsLoader
// because it's much easier and we get diagnostics/quick fixes about a redirected
// specifier for free.
sloppy_imports_resolver: None,
}));
self.redirect_resolver =
Arc::new(RedirectResolver::new(self.cache.clone()));
self.imports = Arc::new(
if let Some(Ok(imports)) =
options.maybe_config_file.map(|cf| cf.to_maybe_imports())
{
imports
.into_iter()
.map(|(referrer, imports)| {
let graph_import = GraphImport::new(
&referrer,
imports,
Some(self.get_resolver()),
Some(self.get_npm_resolver()),
);
(referrer, graph_import)
})
.collect()
} else {
IndexMap::new()
},
);
self.unstable_sloppy_imports = options
.maybe_config_file
.map(|c| c.has_unstable("sloppy-imports"))
.unwrap_or(false);
// only refresh the dependencies if the underlying configuration has changed
if self.resolver_config_hash != new_resolver_config_hash {
self.refresh_dependencies(
options.enabled_paths,
options.disabled_paths,
options.document_preload_limit,
);
self.resolver_config_hash = new_resolver_config_hash;
self.dirty = true;
self.calculate_dependents_if_dirty();
}
}
fn refresh_dependencies(
&mut self,
enabled_paths: Vec<PathBuf>,
disabled_paths: Vec<PathBuf>,
document_preload_limit: usize,
) {
let resolver = self.resolver.as_graph_resolver();
let npm_resolver = self.resolver.as_graph_npm_resolver();
for doc in self.open_docs.values_mut() {
if let Some(new_doc) = doc.maybe_with_new_resolver(resolver, npm_resolver)
{
*doc = new_doc;
}
}
// update the file system documents
let mut fs_docs = self.file_system_docs.lock();
if document_preload_limit > 0 {
let mut not_found_docs =
fs_docs.docs.keys().cloned().collect::<HashSet<_>>();
let open_docs = &mut self.open_docs;
log::debug!("Preloading documents from enabled urls...");
let mut finder =
PreloadDocumentFinder::new(PreloadDocumentFinderOptions {
enabled_paths,
disabled_paths,
limit: document_preload_limit,
});
for specifier in finder.by_ref() {
// mark this document as having been found
not_found_docs.remove(&specifier);
if !open_docs.contains_key(&specifier)
&& !fs_docs.docs.contains_key(&specifier)
{
fs_docs.refresh_document(
&self.cache,
resolver,
&specifier,
npm_resolver,
);
} else {
// update the existing entry to have the new resolver
if let Some(doc) = fs_docs.docs.get_mut(&specifier) {
if let Some(new_doc) =
doc.maybe_with_new_resolver(resolver, npm_resolver)
{
*doc = new_doc;
}
}
}
}
if finder.hit_limit() {
lsp_warn!(
concat!(
"Hit the language server document preload limit of {} file system entries. ",
"You may want to use the \"deno.enablePaths\" configuration setting to only have Deno ",
"partially enable a workspace or increase the limit via \"deno.documentPreloadLimit\". ",
"In cases where Deno ends up using too much memory, you may want to lower the limit."
),
document_preload_limit,
);
// since we hit the limit, just update everything to use the new resolver
for uri in not_found_docs {
if let Some(doc) = fs_docs.docs.get_mut(&uri) {
if let Some(new_doc) =
doc.maybe_with_new_resolver(resolver, npm_resolver)
{
*doc = new_doc;
}
}
}
} else {
// clean up and remove any documents that weren't found
for uri in not_found_docs {
fs_docs.docs.remove(&uri);
}
}
} else {
// This log statement is used in the tests to ensure preloading doesn't
// happen, which is not useful in the repl and could be very expensive
// if the repl is launched from a directory with a lot of descendants.
log::debug!("Skipping document preload.");
// just update to use the new resolver
for doc in fs_docs.docs.values_mut() {
if let Some(new_doc) =
doc.maybe_with_new_resolver(resolver, npm_resolver)
{
*doc = new_doc;
}
}
}
fs_docs.dirty = true;
}
/// Iterate through the documents, building a map where the key is a unique
/// document and the value is a set of specifiers that depend on that
/// document.
fn calculate_dependents_if_dirty(&mut self) {
#[derive(Default)]
struct DocAnalyzer {
dependents_map: HashMap<ModuleSpecifier, HashSet<ModuleSpecifier>>,
analyzed_specifiers: HashSet<ModuleSpecifier>,
pending_specifiers: VecDeque<ModuleSpecifier>,
npm_reqs: HashSet<PackageReq>,
has_node_builtin_specifier: bool,
}
impl DocAnalyzer {
fn add(&mut self, dep: &ModuleSpecifier, specifier: &ModuleSpecifier) {
if !self.analyzed_specifiers.contains(dep) {
self.analyzed_specifiers.insert(dep.clone());
// perf: ensure this is not added to unless this specifier has never
// been analyzed in order to not cause an extra file system lookup
self.pending_specifiers.push_back(dep.clone());
if let Ok(reference) = NpmPackageReqReference::from_specifier(dep) {
self.npm_reqs.insert(reference.into_inner().req);
}
}
self
.dependents_map
.entry(dep.clone())
.or_default()
.insert(specifier.clone());
}
fn analyze_doc(&mut self, specifier: &ModuleSpecifier, doc: &Document) {
self.analyzed_specifiers.insert(specifier.clone());
for dependency in doc.dependencies().values() {
if let Some(dep) = dependency.get_code() {
if !self.has_node_builtin_specifier && dep.scheme() == "node" {
self.has_node_builtin_specifier = true;
}
self.add(dep, specifier);
}
if let Some(dep) = dependency.get_type() {
self.add(dep, specifier);
}
}
if let Some(dep) = doc.maybe_types_dependency().maybe_specifier() {
self.add(dep, specifier);
}
}
}
let mut file_system_docs = self.file_system_docs.lock();
if !file_system_docs.dirty && !self.dirty {
return;
}
let mut doc_analyzer = DocAnalyzer::default();
// favor documents that are open in case a document exists in both collections
let documents = file_system_docs.docs.iter().chain(self.open_docs.iter());
for (specifier, doc) in documents {
doc_analyzer.analyze_doc(specifier, doc);
}
let resolver = self.get_resolver();
let npm_resolver = self.get_npm_resolver();
while let Some(specifier) = doc_analyzer.pending_specifiers.pop_front() {
if let Some(doc) = self.open_docs.get(&specifier) {
doc_analyzer.analyze_doc(&specifier, doc);
} else if let Some(doc) =
file_system_docs.get(&self.cache, resolver, &specifier, npm_resolver)
{
doc_analyzer.analyze_doc(&specifier, &doc);
}
}
let mut npm_reqs = doc_analyzer.npm_reqs;
// Ensure a @types/node package exists when any module uses a node: specifier.
// Unlike on the command line, here we just add @types/node to the npm package
// requirements since this won't end up in the lockfile.
self.has_injected_types_node_package = doc_analyzer
.has_node_builtin_specifier
&& !npm_reqs.iter().any(|r| r.name == "@types/node");
if self.has_injected_types_node_package {
npm_reqs.insert(PackageReq::from_str("@types/node").unwrap());
}
self.dependents_map = Arc::new(doc_analyzer.dependents_map);
self.npm_specifier_reqs = Arc::new({
let mut reqs = npm_reqs.into_iter().collect::<Vec<_>>();
reqs.sort();
reqs
});
self.dirty = false;
file_system_docs.dirty = false;
}
fn get_resolver(&self) -> &dyn deno_graph::source::Resolver {
self.resolver.as_graph_resolver()
}
fn get_npm_resolver(&self) -> &dyn deno_graph::source::NpmResolver {
self.resolver.as_graph_npm_resolver()
}
fn resolve_dependency(
&self,
specifier: &ModuleSpecifier,
maybe_npm: Option<&StateNpmSnapshot>,
referrer: &ModuleSpecifier,
) -> Option<(ModuleSpecifier, MediaType)> {
if let Some(module_name) = specifier.as_str().strip_prefix("node:") {
if deno_node::is_builtin_node_module(module_name) {
// return itself for node: specifiers because during type checking
// we resolve to the ambient modules in the @types/node package
// rather than deno_std/node
return Some((specifier.clone(), MediaType::Dts));
}
}
if let Ok(npm_ref) = NpmPackageReqReference::from_specifier(specifier) {
return node_resolve_npm_req_ref(npm_ref, maybe_npm, referrer);
}
let doc = self.get(specifier)?;
let maybe_module = doc.maybe_esm_module().and_then(|r| r.as_ref().ok());
let maybe_types_dependency = maybe_module
.and_then(|m| m.maybe_types_dependency.as_ref().map(|d| &d.dependency));
if let Some(specifier) =
maybe_types_dependency.and_then(|d| d.maybe_specifier())
{
self.resolve_dependency(specifier, maybe_npm, referrer)
} else {
let media_type = doc.media_type();
Some((doc.specifier().clone(), media_type))
}
}
/// Iterate through any "imported" modules, checking to see if a dependency
/// is available. This is used to provide "global" imports like the JSX import
/// source.
fn resolve_imports_dependency(&self, specifier: &str) -> Option<&Resolution> {
for graph_imports in self.imports.values() {
let maybe_dep = graph_imports.dependencies.get(specifier);
if maybe_dep.is_some() {
return maybe_dep.map(|d| &d.maybe_type);
}
}
None
}
}
fn node_resolve_npm_req_ref(
npm_req_ref: NpmPackageReqReference,
maybe_npm: Option<&StateNpmSnapshot>,
referrer: &ModuleSpecifier,
) -> Option<(ModuleSpecifier, MediaType)> {
maybe_npm.map(|npm| {
NodeResolution::into_specifier_and_media_type(
npm
.npm_resolver
.resolve_pkg_folder_from_deno_module_req(npm_req_ref.req(), referrer)
.ok()
.and_then(|package_folder| {
npm
.node_resolver
.resolve_package_subpath_from_deno_module(
&package_folder,
npm_req_ref.sub_path(),
referrer,
NodeResolutionMode::Types,
&PermissionsContainer::allow_all(),
)
.ok()
.flatten()
}),
)
})
}
/// Loader that will look at the open documents.
pub struct OpenDocumentsGraphLoader<'a> {
pub inner_loader: &'a mut dyn deno_graph::source::Loader,
pub open_docs: &'a HashMap<ModuleSpecifier, Document>,
pub unstable_sloppy_imports: bool,
}
impl<'a> OpenDocumentsGraphLoader<'a> {
fn load_from_docs(
&self,
specifier: &ModuleSpecifier,
) -> Option<deno_graph::source::LoadFuture> {
if specifier.scheme() == "file" {
if let Some(doc) = self.open_docs.get(specifier) {
return Some(
future::ready(Ok(Some(deno_graph::source::LoadResponse::Module {
content: doc.content(),
specifier: doc.specifier().clone(),
maybe_headers: None,
})))
.boxed_local(),
);
}
}
None
}
fn resolve_unstable_sloppy_import<'b>(
&self,
specifier: &'b ModuleSpecifier,
) -> SloppyImportsResolution<'b> {
SloppyImportsResolver::resolve_with_stat_sync(specifier, |path| {
if let Ok(specifier) = ModuleSpecifier::from_file_path(path) {
if self.open_docs.contains_key(&specifier) {
return Some(SloppyImportsFsEntry::File);
}
}
path.metadata().ok().and_then(|m| {
if m.is_file() {
Some(SloppyImportsFsEntry::File)
} else if m.is_dir() {
Some(SloppyImportsFsEntry::Dir)
} else {
None
}
})
})
}
}
impl<'a> deno_graph::source::Loader for OpenDocumentsGraphLoader<'a> {
fn registry_url(&self) -> &Url {
self.inner_loader.registry_url()
}
fn load(
&mut self,
specifier: &ModuleSpecifier,
is_dynamic: bool,
cache_setting: deno_graph::source::CacheSetting,
) -> deno_graph::source::LoadFuture {
let specifier = if self.unstable_sloppy_imports {
self
.resolve_unstable_sloppy_import(specifier)
.into_specifier()
} else {
Cow::Borrowed(specifier)
};
match self.load_from_docs(&specifier) {
Some(fut) => fut,
None => self
.inner_loader
.load(&specifier, is_dynamic, cache_setting),
}
}
fn cache_module_info(
&mut self,
specifier: &deno_ast::ModuleSpecifier,
source: &str,
module_info: &deno_graph::ModuleInfo,
) {
self
.inner_loader
.cache_module_info(specifier, source, module_info)
}
}
fn parse_and_analyze_module(
specifier: &ModuleSpecifier,
text_info: SourceTextInfo,
maybe_headers: Option<&HashMap<String, String>>,
resolver: &dyn deno_graph::source::Resolver,
npm_resolver: &dyn deno_graph::source::NpmResolver,
) -> (Option<ParsedSourceResult>, Option<ModuleResult>) {
let parsed_source_result = parse_source(specifier, text_info, maybe_headers);
let module_result = analyze_module(
specifier,
&parsed_source_result,
maybe_headers,
resolver,
npm_resolver,
);
(Some(parsed_source_result), Some(module_result))
}
fn parse_source(
specifier: &ModuleSpecifier,
text_info: SourceTextInfo,
maybe_headers: Option<&HashMap<String, String>>,
) -> ParsedSourceResult {
deno_ast::parse_module(deno_ast::ParseParams {
specifier: specifier.to_string(),
text_info,
media_type: MediaType::from_specifier_and_headers(specifier, maybe_headers),
capture_tokens: true,
scope_analysis: true,
maybe_syntax: None,
})
}
fn analyze_module(
specifier: &ModuleSpecifier,
parsed_source_result: &ParsedSourceResult,
maybe_headers: Option<&HashMap<String, String>>,
resolver: &dyn deno_graph::source::Resolver,
npm_resolver: &dyn deno_graph::source::NpmResolver,
) -> ModuleResult {
match parsed_source_result {
Ok(parsed_source) => Ok(deno_graph::parse_module_from_ast(
deno_graph::ParseModuleFromAstOptions {
graph_kind: deno_graph::GraphKind::All,
specifier,
maybe_headers,
parsed_source,
// use a null file system because there's no need to bother resolving
// dynamic imports like import(`./dir/${something}`) in the LSP
file_system: &deno_graph::source::NullFileSystem,
maybe_resolver: Some(resolver),
maybe_npm_resolver: Some(npm_resolver),
},
)),
Err(err) => Err(deno_graph::ModuleGraphError::ModuleError(
deno_graph::ModuleError::ParseErr(specifier.clone(), err.clone()),
)),
}
}
enum PendingEntry {
/// File specified as a root url.
SpecifiedRootFile(PathBuf),
/// Directory that is queued to read.
Dir(PathBuf),
/// The current directory being read.
ReadDir(Box<ReadDir>),
}
struct PreloadDocumentFinderOptions {
enabled_paths: Vec<PathBuf>,
disabled_paths: Vec<PathBuf>,
limit: usize,
}
/// Iterator that finds documents that can be preloaded into
/// the LSP on startup.
struct PreloadDocumentFinder {
limit: usize,
entry_count: usize,
pending_entries: VecDeque<PendingEntry>,
disabled_globs: glob::GlobSet,
disabled_paths: HashSet<PathBuf>,
}
impl PreloadDocumentFinder {
pub fn new(options: PreloadDocumentFinderOptions) -> Self {
fn paths_into_globs_and_paths(
input_paths: Vec<PathBuf>,
) -> (glob::GlobSet, HashSet<PathBuf>) {
let mut globs = Vec::with_capacity(input_paths.len());
let mut paths = HashSet::with_capacity(input_paths.len());
for path in input_paths {
if let Ok(Some(glob)) =
glob::GlobPattern::new_if_pattern(&path.to_string_lossy())
{
globs.push(glob);
} else {
paths.insert(path);
}
}
(glob::GlobSet::new(globs), paths)
}
fn is_allowed_root_dir(dir_path: &Path) -> bool {
if dir_path.parent().is_none() {
// never search the root directory of a drive
return false;
}
true
}
let (disabled_globs, disabled_paths) =
paths_into_globs_and_paths(options.disabled_paths);
let mut finder = PreloadDocumentFinder {
limit: options.limit,
entry_count: 0,
pending_entries: Default::default(),
disabled_globs,
disabled_paths,
};
// initialize the finder with the initial paths
let mut dirs = Vec::with_capacity(options.enabled_paths.len());
for path in options.enabled_paths {
if !finder.disabled_paths.contains(&path)
&& !finder.disabled_globs.matches_path(&path)
{
if path.is_dir() {
if is_allowed_root_dir(&path) {
dirs.push(path);
}
} else {
finder
.pending_entries
.push_back(PendingEntry::SpecifiedRootFile(path));
}
}
}
for dir in sort_and_remove_non_leaf_dirs(dirs) {
finder.pending_entries.push_back(PendingEntry::Dir(dir));
}
finder
}
pub fn hit_limit(&self) -> bool {
self.entry_count >= self.limit
}
fn get_valid_specifier(path: &Path) -> Option<ModuleSpecifier> {
fn is_allowed_media_type(media_type: MediaType) -> bool {
match media_type {
MediaType::JavaScript
| MediaType::Jsx
| MediaType::Mjs
| MediaType::Cjs
| MediaType::TypeScript
| MediaType::Mts
| MediaType::Cts
| MediaType::Dts
| MediaType::Dmts
| MediaType::Dcts
| MediaType::Tsx => true,
MediaType::Json // ignore because json never depends on other files
| MediaType::Wasm
| MediaType::SourceMap
| MediaType::TsBuildInfo
| MediaType::Unknown => false,
}
}
let media_type = MediaType::from_path(path);
if is_allowed_media_type(media_type) {
if let Ok(specifier) = ModuleSpecifier::from_file_path(path) {
return Some(specifier);
}
}
None
}
}
impl Iterator for PreloadDocumentFinder {
type Item = ModuleSpecifier;
fn next(&mut self) -> Option<Self::Item> {
fn is_discoverable_dir(dir_path: &Path) -> bool {
if let Some(dir_name) = dir_path.file_name() {
let dir_name = dir_name.to_string_lossy().to_lowercase();
// We ignore these directories by default because there is a
// high likelihood they aren't relevant. Someone can opt-into
// them by specifying one of them as an enabled path.
if matches!(dir_name.as_str(), "node_modules" | ".git") {
return false;
}
// ignore cargo target directories for anyone using Deno with Rust
if dir_name == "target"
&& dir_path
.parent()
.map(|p| p.join("Cargo.toml").exists())
.unwrap_or(false)
{
return false;
}
true
} else {
false
}
}
fn is_discoverable_file(file_path: &Path) -> bool {
// Don't auto-discover minified files as they are likely to be very large
// and likely not to have dependencies on code outside them that would
// be useful in the LSP
if let Some(file_name) = file_path.file_name() {
let file_name = file_name.to_string_lossy().to_lowercase();
!file_name.as_str().contains(".min.")
} else {
false
}
}
while let Some(entry) = self.pending_entries.pop_front() {
match entry {
PendingEntry::SpecifiedRootFile(file) => {
// since it was a file that was specified as a root url, only
// verify that it's valid
if let Some(specifier) = Self::get_valid_specifier(&file) {
return Some(specifier);
}
}
PendingEntry::Dir(dir_path) => {
if let Ok(read_dir) = fs::read_dir(&dir_path) {
self
.pending_entries
.push_back(PendingEntry::ReadDir(Box::new(read_dir)));
}
}
PendingEntry::ReadDir(mut entries) => {
while let Some(entry) = entries.next() {
self.entry_count += 1;
if self.hit_limit() {
self.pending_entries.clear(); // stop searching
return None;
}
if let Ok(entry) = entry {
let path = entry.path();
if let Ok(file_type) = entry.file_type() {
if !self.disabled_paths.contains(&path)
&& !self.disabled_globs.matches_path(&path)
{
if file_type.is_dir() && is_discoverable_dir(&path) {
self
.pending_entries
.push_back(PendingEntry::Dir(path.to_path_buf()));
} else if file_type.is_file() && is_discoverable_file(&path) {
if let Some(specifier) = Self::get_valid_specifier(&path) {
// restore the next entries for next time
self
.pending_entries
.push_front(PendingEntry::ReadDir(entries));
return Some(specifier);
}
}
}
}
}
}
}
}
}
None
}
}
/// Removes any directories that are a descendant of another directory in the collection.
fn sort_and_remove_non_leaf_dirs(mut dirs: Vec<PathBuf>) -> Vec<PathBuf> {
if dirs.is_empty() {
return dirs;
}
dirs.sort();
if !dirs.is_empty() {
for i in (0..dirs.len() - 1).rev() {
let prev = &dirs[i + 1];
if prev.starts_with(&dirs[i]) {
dirs.remove(i + 1);
}
}
}
dirs
}
#[cfg(test)]
mod tests {
use crate::cache::GlobalHttpCache;
use crate::cache::RealDenoCacheEnv;
use super::*;
use import_map::ImportMap;
use pretty_assertions::assert_eq;
use test_util::PathRef;
use test_util::TempDir;
fn setup(temp_dir: &TempDir) -> (Documents, PathRef) {
let location = temp_dir.path().join("deps");
let cache = Arc::new(GlobalHttpCache::new(
location.to_path_buf(),
RealDenoCacheEnv,
));
let documents = Documents::new(cache);
(documents, location)
}
#[test]
fn test_documents_open() {
let temp_dir = TempDir::new();
let (mut documents, _) = setup(&temp_dir);
let specifier = ModuleSpecifier::parse("file:///a.ts").unwrap();
let content = r#"import * as b from "./b.ts";
console.log(b);
"#;
let document = documents.open(
specifier,
1,
"javascript".parse().unwrap(),
content.into(),
);
assert!(document.is_open());
assert!(document.is_diagnosable());
}
#[test]
fn test_documents_change() {
let temp_dir = TempDir::new();
let (mut documents, _) = setup(&temp_dir);
let specifier = ModuleSpecifier::parse("file:///a.ts").unwrap();
let content = r#"import * as b from "./b.ts";
console.log(b);
"#;
documents.open(
specifier.clone(),
1,
"javascript".parse().unwrap(),
content.into(),
);
documents
.change(
&specifier,
2,
vec![lsp::TextDocumentContentChangeEvent {
range: Some(lsp::Range {
start: lsp::Position {
line: 1,
character: 13,
},
end: lsp::Position {
line: 1,
character: 13,
},
}),
range_length: None,
text: r#", "hello deno""#.to_string(),
}],
)
.unwrap();
assert_eq!(
&*documents.get(&specifier).unwrap().content(),
r#"import * as b from "./b.ts";
console.log(b, "hello deno");
"#
);
}
#[test]
fn test_documents_ensure_no_duplicates() {
// it should never happen that a user of this API causes this to happen,
// but we'll guard against it anyway
let temp_dir = TempDir::new();
let (mut documents, documents_path) = setup(&temp_dir);
let file_path = documents_path.join("file.ts");
let file_specifier = ModuleSpecifier::from_file_path(&file_path).unwrap();
documents_path.create_dir_all();
file_path.write("");
// open the document
documents.open(
file_specifier.clone(),
1,
LanguageId::TypeScript,
"".into(),
);
// make a clone of the document store and close the document in that one
let mut documents2 = documents.clone();
documents2.close(&file_specifier).unwrap();
// At this point the document will be in both documents and the shared file system documents.
// Now make sure that the original documents doesn't return both copies
assert_eq!(documents.documents(DocumentsFilter::All).len(), 1);
}
#[test]
fn test_documents_refresh_dependencies_config_change() {
// it should never happen that a user of this API causes this to happen,
// but we'll guard against it anyway
let temp_dir = TempDir::new();
let (mut documents, documents_path) = setup(&temp_dir);
fs::create_dir_all(&documents_path).unwrap();
let file1_path = documents_path.join("file1.ts");
let file1_specifier = ModuleSpecifier::from_file_path(&file1_path).unwrap();
fs::write(&file1_path, "").unwrap();
let file2_path = documents_path.join("file2.ts");
let file2_specifier = ModuleSpecifier::from_file_path(&file2_path).unwrap();
fs::write(&file2_path, "").unwrap();
let file3_path = documents_path.join("file3.ts");
let file3_specifier = ModuleSpecifier::from_file_path(&file3_path).unwrap();
fs::write(&file3_path, "").unwrap();
// set the initial import map and point to file 2
{
let mut import_map = ImportMap::new(
ModuleSpecifier::from_file_path(documents_path.join("import_map.json"))
.unwrap(),
);
import_map
.imports_mut()
.append("test".to_string(), "./file2.ts".to_string())
.unwrap();
documents.update_config(UpdateDocumentConfigOptions {
enabled_paths: vec![],
disabled_paths: vec![],
document_preload_limit: 1_000,
maybe_import_map: Some(Arc::new(import_map)),
maybe_config_file: None,
maybe_package_json: None,
node_resolver: None,
npm_resolver: None,
});
// open the document
let document = documents.open(
file1_specifier.clone(),
1,
LanguageId::TypeScript,
"import {} from 'test';".into(),
);
assert_eq!(
document
.dependencies()
.get("test")
.unwrap()
.maybe_code
.maybe_specifier()
.map(ToOwned::to_owned),
Some(file2_specifier),
);
}
// now point at file 3
{
let mut import_map = ImportMap::new(
ModuleSpecifier::from_file_path(documents_path.join("import_map.json"))
.unwrap(),
);
import_map
.imports_mut()
.append("test".to_string(), "./file3.ts".to_string())
.unwrap();
documents.update_config(UpdateDocumentConfigOptions {
enabled_paths: vec![],
disabled_paths: vec![],
document_preload_limit: 1_000,
maybe_import_map: Some(Arc::new(import_map)),
maybe_config_file: None,
maybe_package_json: None,
node_resolver: None,
npm_resolver: None,
});
// check the document's dependencies
let document = documents.get(&file1_specifier).unwrap();
assert_eq!(
document
.dependencies()
.get("test")
.unwrap()
.maybe_code
.maybe_specifier()
.map(ToOwned::to_owned),
Some(file3_specifier),
);
}
}
#[test]
pub fn test_pre_load_document_finder() {
let temp_dir = TempDir::new();
temp_dir.create_dir_all("root1/node_modules/");
temp_dir.write("root1/node_modules/mod.ts", ""); // no, node_modules
temp_dir.create_dir_all("root1/sub_dir");
temp_dir.create_dir_all("root1/target");
temp_dir.create_dir_all("root1/node_modules");
temp_dir.create_dir_all("root1/.git");
temp_dir.create_dir_all("root1/file.ts"); // no, directory
temp_dir.write("root1/mod1.ts", ""); // yes
temp_dir.write("root1/mod2.js", ""); // yes
temp_dir.write("root1/mod3.tsx", ""); // yes
temp_dir.write("root1/mod4.d.ts", ""); // yes
temp_dir.write("root1/mod5.jsx", ""); // yes
temp_dir.write("root1/mod6.mjs", ""); // yes
temp_dir.write("root1/mod7.mts", ""); // yes
temp_dir.write("root1/mod8.d.mts", ""); // yes
temp_dir.write("root1/other.json", ""); // no, json
temp_dir.write("root1/other.txt", ""); // no, text file
temp_dir.write("root1/other.wasm", ""); // no, don't load wasm
temp_dir.write("root1/Cargo.toml", ""); // no
temp_dir.write("root1/sub_dir/mod.ts", ""); // yes
temp_dir.write("root1/sub_dir/data.min.ts", ""); // no, minified file
temp_dir.write("root1/.git/main.ts", ""); // no, .git folder
temp_dir.write("root1/node_modules/main.ts", ""); // no, because it's in a node_modules folder
temp_dir.write("root1/target/main.ts", ""); // no, because there is a Cargo.toml in the root directory
temp_dir.create_dir_all("root2/folder");
temp_dir.create_dir_all("root2/sub_folder");
temp_dir.write("root2/file1.ts", ""); // yes, provided
temp_dir.write("root2/file2.ts", ""); // no, not provided
temp_dir.write("root2/main.min.ts", ""); // yes, provided
temp_dir.write("root2/folder/main.ts", ""); // yes, provided
temp_dir.write("root2/sub_folder/a.js", ""); // no, not provided
temp_dir.write("root2/sub_folder/b.ts", ""); // no, not provided
temp_dir.write("root2/sub_folder/c.js", ""); // no, not provided
temp_dir.create_dir_all("root3/");
temp_dir.write("root3/mod.ts", ""); // no, not provided
let mut urls = PreloadDocumentFinder::new(PreloadDocumentFinderOptions {
enabled_paths: vec![
temp_dir.path().to_path_buf().join("root1"),
temp_dir.path().to_path_buf().join("root2").join("file1.ts"),
temp_dir
.path()
.to_path_buf()
.join("root2")
.join("main.min.ts"),
temp_dir.path().to_path_buf().join("root2").join("folder"),
],
disabled_paths: Vec::new(),
limit: 1_000,
})
.collect::<Vec<_>>();
// Ideally we would test for order here, which should be BFS, but
// different file systems have different directory iteration
// so we sort the results
urls.sort();
assert_eq!(
urls,
vec![
temp_dir.uri().join("root1/mod1.ts").unwrap(),
temp_dir.uri().join("root1/mod2.js").unwrap(),
temp_dir.uri().join("root1/mod3.tsx").unwrap(),
temp_dir.uri().join("root1/mod4.d.ts").unwrap(),
temp_dir.uri().join("root1/mod5.jsx").unwrap(),
temp_dir.uri().join("root1/mod6.mjs").unwrap(),
temp_dir.uri().join("root1/mod7.mts").unwrap(),
temp_dir.uri().join("root1/mod8.d.mts").unwrap(),
temp_dir.uri().join("root1/sub_dir/mod.ts").unwrap(),
temp_dir.uri().join("root2/file1.ts").unwrap(),
temp_dir.uri().join("root2/folder/main.ts").unwrap(),
temp_dir.uri().join("root2/main.min.ts").unwrap(),
]
);
// now try iterating with a low limit
let urls = PreloadDocumentFinder::new(PreloadDocumentFinderOptions {
enabled_paths: vec![temp_dir.path().to_path_buf()],
disabled_paths: Vec::new(),
limit: 10, // entries and not results
})
.collect::<Vec<_>>();
// since different file system have different iteration
// order, the number here may vary, so just assert it's below
// a certain amount
assert!(urls.len() < 5, "Actual length: {}", urls.len());
// now try with certain directories and files disabled
let mut urls = PreloadDocumentFinder::new(PreloadDocumentFinderOptions {
enabled_paths: vec![temp_dir.path().to_path_buf()],
disabled_paths: vec![
temp_dir.path().to_path_buf().join("root1"),
temp_dir.path().to_path_buf().join("root2").join("file1.ts"),
temp_dir.path().to_path_buf().join("**/*.js"), // ignore js files
],
limit: 1_000,
})
.collect::<Vec<_>>();
urls.sort();
assert_eq!(
urls,
vec![
temp_dir.uri().join("root2/file2.ts").unwrap(),
temp_dir.uri().join("root2/folder/main.ts").unwrap(),
temp_dir.uri().join("root2/sub_folder/b.ts").unwrap(), // won't have the javascript files
temp_dir.uri().join("root3/mod.ts").unwrap(),
]
);
}
#[test]
pub fn test_pre_load_document_finder_disallowed_dirs() {
if cfg!(windows) {
let paths = PreloadDocumentFinder::new(PreloadDocumentFinderOptions {
enabled_paths: vec![PathBuf::from("C:\\")],
disabled_paths: Vec::new(),
limit: 1_000,
})
.collect::<Vec<_>>();
assert_eq!(paths, vec![]);
} else {
let paths = PreloadDocumentFinder::new(PreloadDocumentFinderOptions {
enabled_paths: vec![PathBuf::from("/")],
disabled_paths: Vec::new(),
limit: 1_000,
})
.collect::<Vec<_>>();
assert_eq!(paths, vec![]);
}
}
#[test]
fn test_sort_and_remove_non_leaf_dirs() {
fn run_test(paths: Vec<&str>, expected_output: Vec<&str>) {
let paths = sort_and_remove_non_leaf_dirs(
paths.into_iter().map(PathBuf::from).collect(),
);
let dirs: Vec<_> =
paths.iter().map(|dir| dir.to_string_lossy()).collect();
assert_eq!(dirs, expected_output);
}
run_test(
vec![
"/test/asdf/test/asdf/",
"/test/asdf/test/asdf/test.ts",
"/test/asdf/",
"/test/asdf/",
"/testing/456/893/",
"/testing/456/893/test/",
],
vec!["/test/asdf/", "/testing/456/893/"],
);
run_test(vec![], vec![]);
}
}
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