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resolver.rs
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resolver.rs
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use crate::args::package_json;
use crate::args::CacheSetting;
use crate::cache::DenoDir;
use crate::cache::FastInsecureHasher;
use crate::graph_util::CliJsrUrlProvider;
use crate::http_util::HttpClient;
use crate::jsr::JsrCacheResolver;
use crate::lsp::config::Config;
use crate::lsp::config::ConfigData;
use crate::lsp::logging::lsp_warn;
use crate::npm::create_cli_npm_resolver_for_lsp;
use crate::npm::CliNpmResolver;
use crate::npm::CliNpmResolverByonmCreateOptions;
use crate::npm::CliNpmResolverCreateOptions;
use crate::npm::CliNpmResolverManagedCreateOptions;
use crate::npm::CliNpmResolverManagedPackageJsonInstallerOption;
use crate::npm::CliNpmResolverManagedSnapshotOption;
use crate::npm::ManagedCliNpmResolver;
use crate::resolver::CliGraphResolver;
use crate::resolver::CliGraphResolverOptions;
use crate::resolver::CliNodeResolver;
use crate::resolver::SloppyImportsFsEntry;
use crate::resolver::SloppyImportsResolver;
use crate::util::progress_bar::ProgressBar;
use crate::util::progress_bar::ProgressBarStyle;
use deno_cache_dir::HttpCache;
use deno_core::error::AnyError;
use deno_core::parking_lot::Mutex;
use deno_graph::source::NpmResolver;
use deno_graph::source::Resolver;
use deno_graph::GraphImport;
use deno_graph::ModuleSpecifier;
use deno_graph::Resolution;
use deno_npm::NpmSystemInfo;
use deno_runtime::deno_fs;
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::fs_util::specifier_to_file_path;
use deno_runtime::permissions::PermissionsContainer;
use deno_semver::jsr::JsrPackageReqReference;
use deno_semver::npm::NpmPackageReqReference;
use deno_semver::package::PackageNv;
use deno_semver::package::PackageReq;
use indexmap::IndexMap;
use package_json::PackageJsonDepsProvider;
use std::collections::HashMap;
use std::path::Path;
use std::rc::Rc;
use std::sync::Arc;
#[derive(Debug, Clone)]
pub struct LspResolver {
graph_resolver: Arc<CliGraphResolver>,
jsr_resolver: Option<Arc<JsrCacheResolver>>,
npm_resolver: Option<Arc<dyn CliNpmResolver>>,
node_resolver: Option<Arc<CliNodeResolver>>,
npm_config_hash: LspNpmConfigHash,
redirect_resolver: Option<Arc<RedirectResolver>>,
graph_imports: Arc<IndexMap<ModuleSpecifier, GraphImport>>,
config: Arc<Config>,
unstable_sloppy_imports: bool,
}
impl Default for LspResolver {
fn default() -> Self {
Self {
graph_resolver: create_graph_resolver(None, None, None),
jsr_resolver: None,
npm_resolver: None,
node_resolver: None,
npm_config_hash: LspNpmConfigHash(0),
redirect_resolver: None,
graph_imports: Default::default(),
config: Default::default(),
unstable_sloppy_imports: false,
}
}
}
impl LspResolver {
pub async fn with_new_config(
&self,
config: &Config,
cache: Arc<dyn HttpCache>,
global_cache_path: Option<&Path>,
http_client: Option<&Arc<HttpClient>>,
) -> Arc<Self> {
let npm_config_hash = LspNpmConfigHash::new(config, global_cache_path);
let config_data = config.tree.root_data();
let mut npm_resolver = None;
let mut node_resolver = None;
if npm_config_hash != self.npm_config_hash {
if let (Some(http_client), Some(config_data)) = (http_client, config_data)
{
npm_resolver =
create_npm_resolver(config_data, global_cache_path, http_client)
.await;
node_resolver = create_node_resolver(npm_resolver.as_ref());
}
} else {
npm_resolver = self.npm_resolver.clone();
node_resolver = self.node_resolver.clone();
}
let graph_resolver = create_graph_resolver(
config_data,
npm_resolver.as_ref(),
node_resolver.as_ref(),
);
let jsr_resolver = Some(Arc::new(JsrCacheResolver::new(
cache.clone(),
config_data.and_then(|d| d.lockfile.clone()),
)));
let redirect_resolver = Some(Arc::new(RedirectResolver::new(cache)));
let graph_imports = config_data
.and_then(|d| d.config_file.as_ref())
.and_then(|cf| cf.to_maybe_imports().ok())
.map(|imports| {
Arc::new(
imports
.into_iter()
.map(|(referrer, imports)| {
let graph_import = GraphImport::new(
&referrer,
imports,
&CliJsrUrlProvider,
Some(graph_resolver.as_ref()),
Some(graph_resolver.as_ref()),
);
(referrer, graph_import)
})
.collect(),
)
})
.unwrap_or_default();
Arc::new(Self {
graph_resolver,
jsr_resolver,
npm_resolver,
node_resolver,
npm_config_hash,
redirect_resolver,
graph_imports,
unstable_sloppy_imports: config_data
.and_then(|d| d.config_file.as_ref())
.map(|cf| cf.has_unstable("sloppy-imports"))
.unwrap_or(false),
config: Arc::new(config.clone()),
})
}
pub fn snapshot(&self) -> Arc<Self> {
let npm_resolver =
self.npm_resolver.as_ref().map(|r| r.clone_snapshotted());
let node_resolver = create_node_resolver(npm_resolver.as_ref());
let graph_resolver = create_graph_resolver(
self.config.tree.root_data(),
npm_resolver.as_ref(),
node_resolver.as_ref(),
);
Arc::new(Self {
graph_resolver,
jsr_resolver: self.jsr_resolver.clone(),
npm_resolver,
node_resolver,
npm_config_hash: self.npm_config_hash.clone(),
redirect_resolver: self.redirect_resolver.clone(),
graph_imports: self.graph_imports.clone(),
config: self.config.clone(),
unstable_sloppy_imports: self.unstable_sloppy_imports,
})
}
pub fn did_cache(&self) {
self.jsr_resolver.as_ref().inspect(|r| r.did_cache());
}
pub async fn set_npm_package_reqs(
&self,
reqs: &[PackageReq],
) -> Result<(), AnyError> {
if let Some(npm_resolver) = self.npm_resolver.as_ref() {
if let Some(npm_resolver) = npm_resolver.as_managed() {
return npm_resolver.set_package_reqs(reqs).await;
}
}
Ok(())
}
pub fn as_graph_resolver(&self) -> LspGraphResolver {
LspGraphResolver {
inner: &self.graph_resolver,
unstable_sloppy_imports: self.unstable_sloppy_imports,
}
}
pub fn as_graph_npm_resolver(&self) -> &dyn NpmResolver {
self.graph_resolver.as_ref()
}
pub fn jsr_to_registry_url(
&self,
req_ref: &JsrPackageReqReference,
) -> Option<ModuleSpecifier> {
self.jsr_resolver.as_ref()?.jsr_to_registry_url(req_ref)
}
pub fn jsr_lookup_export_for_path(
&self,
nv: &PackageNv,
path: &str,
) -> Option<String> {
self.jsr_resolver.as_ref()?.lookup_export_for_path(nv, path)
}
pub fn jsr_lookup_req_for_nv(&self, nv: &PackageNv) -> Option<PackageReq> {
self.jsr_resolver.as_ref()?.lookup_req_for_nv(nv)
}
pub fn maybe_managed_npm_resolver(&self) -> Option<&ManagedCliNpmResolver> {
self.npm_resolver.as_ref().and_then(|r| r.as_managed())
}
pub fn graph_import_specifiers(
&self,
) -> impl Iterator<Item = &ModuleSpecifier> {
self
.graph_imports
.values()
.flat_map(|i| i.dependencies.values())
.flat_map(|value| value.get_type().or_else(|| value.get_code()))
}
pub fn resolve_graph_import(&self, specifier: &str) -> Option<&Resolution> {
for graph_imports in self.graph_imports.values() {
let maybe_dep = graph_imports.dependencies.get(specifier);
if maybe_dep.is_some() {
return maybe_dep.map(|d| &d.maybe_type);
}
}
None
}
pub fn in_npm_package(&self, specifier: &ModuleSpecifier) -> bool {
if let Some(npm_resolver) = &self.npm_resolver {
return npm_resolver.in_npm_package(specifier);
}
false
}
pub fn node_resolve(
&self,
specifier: &str,
referrer: &ModuleSpecifier,
mode: NodeResolutionMode,
) -> Result<Option<NodeResolution>, AnyError> {
let Some(node_resolver) = self.node_resolver.as_ref() else {
return Ok(None);
};
node_resolver.resolve(
specifier,
referrer,
mode,
&PermissionsContainer::allow_all(),
)
}
pub fn resolve_npm_req_reference(
&self,
req_ref: &NpmPackageReqReference,
referrer: &ModuleSpecifier,
mode: NodeResolutionMode,
) -> Result<Option<NodeResolution>, AnyError> {
let Some(node_resolver) = self.node_resolver.as_ref() else {
return Ok(None);
};
node_resolver
.resolve_req_reference(
req_ref,
&PermissionsContainer::allow_all(),
referrer,
mode,
)
.map(Some)
}
pub fn url_to_node_resolution(
&self,
specifier: ModuleSpecifier,
) -> Result<Option<NodeResolution>, AnyError> {
let Some(node_resolver) = self.node_resolver.as_ref() else {
return Ok(None);
};
node_resolver.url_to_node_resolution(specifier).map(Some)
}
pub fn get_closest_package_json(
&self,
referrer: &ModuleSpecifier,
) -> Result<Option<Rc<PackageJson>>, AnyError> {
let Some(node_resolver) = self.node_resolver.as_ref() else {
return Ok(None);
};
node_resolver
.get_closest_package_json(referrer, &PermissionsContainer::allow_all())
}
pub fn resolve_redirects(
&self,
specifier: &ModuleSpecifier,
) -> Option<ModuleSpecifier> {
let Some(redirect_resolver) = self.redirect_resolver.as_ref() else {
return Some(specifier.clone());
};
redirect_resolver.resolve(specifier)
}
}
#[derive(Debug)]
pub struct LspGraphResolver<'a> {
inner: &'a CliGraphResolver,
unstable_sloppy_imports: bool,
}
impl<'a> Resolver for LspGraphResolver<'a> {
fn default_jsx_import_source(&self) -> Option<String> {
self.inner.default_jsx_import_source()
}
fn default_jsx_import_source_types(&self) -> Option<String> {
self.inner.default_jsx_import_source_types()
}
fn jsx_import_source_module(&self) -> &str {
self.inner.jsx_import_source_module()
}
fn resolve(
&self,
specifier_text: &str,
referrer_range: &deno_graph::Range,
mode: deno_graph::source::ResolutionMode,
) -> Result<deno_ast::ModuleSpecifier, deno_graph::source::ResolveError> {
let specifier = self.inner.resolve(specifier_text, referrer_range, mode)?;
if self.unstable_sloppy_imports && specifier.scheme() == "file" {
Ok(
SloppyImportsResolver::resolve_with_stat_sync(
&specifier,
mode,
|path| {
path.metadata().ok().and_then(|m| {
if m.is_file() {
Some(SloppyImportsFsEntry::File)
} else if m.is_dir() {
Some(SloppyImportsFsEntry::Dir)
} else {
None
}
})
},
)
.into_specifier()
.into_owned(),
)
} else {
Ok(specifier)
}
}
fn resolve_types(
&self,
specifier: &deno_ast::ModuleSpecifier,
) -> Result<
Option<(deno_ast::ModuleSpecifier, Option<deno_graph::Range>)>,
deno_graph::source::ResolveError,
> {
self.inner.resolve_types(specifier)
}
}
async fn create_npm_resolver(
config_data: &ConfigData,
global_cache_path: Option<&Path>,
http_client: &Arc<HttpClient>,
) -> Option<Arc<dyn CliNpmResolver>> {
let deno_dir = DenoDir::new(global_cache_path.map(|p| p.to_owned()))
.inspect_err(|err| {
lsp_warn!("Error getting deno dir: {:#}", err);
})
.ok()?;
let node_modules_dir = config_data
.node_modules_dir
.clone()
.or_else(|| specifier_to_file_path(&config_data.scope).ok())?;
let options = if config_data.byonm {
CliNpmResolverCreateOptions::Byonm(CliNpmResolverByonmCreateOptions {
fs: Arc::new(deno_fs::RealFs),
root_node_modules_dir: node_modules_dir,
})
} else {
CliNpmResolverCreateOptions::Managed(CliNpmResolverManagedCreateOptions {
http_client: http_client.clone(),
snapshot: match config_data.lockfile.as_ref() {
Some(lockfile) => {
CliNpmResolverManagedSnapshotOption::ResolveFromLockfile(
lockfile.clone(),
)
}
None => CliNpmResolverManagedSnapshotOption::Specified(None),
},
// Don't provide the lockfile. We don't want these resolvers
// updating it. Only the cache request should update the lockfile.
maybe_lockfile: None,
fs: Arc::new(deno_fs::RealFs),
npm_global_cache_dir: deno_dir.npm_folder_path(),
// Use an "only" cache setting in order to make the
// user do an explicit "cache" command and prevent
// the cache from being filled with lots of packages while
// the user is typing.
cache_setting: CacheSetting::Only,
text_only_progress_bar: ProgressBar::new(ProgressBarStyle::TextOnly),
maybe_node_modules_path: config_data.node_modules_dir.clone(),
// do not install while resolving in the lsp—leave that to the cache command
package_json_installer:
CliNpmResolverManagedPackageJsonInstallerOption::NoInstall,
npm_registry_url: crate::args::npm_registry_url().to_owned(),
npm_system_info: NpmSystemInfo::default(),
})
};
Some(create_cli_npm_resolver_for_lsp(options).await)
}
fn create_node_resolver(
npm_resolver: Option<&Arc<dyn CliNpmResolver>>,
) -> Option<Arc<CliNodeResolver>> {
let npm_resolver = npm_resolver?;
let fs = Arc::new(deno_fs::RealFs);
let node_resolver_inner = Arc::new(NodeResolver::new(
fs.clone(),
npm_resolver.clone().into_npm_resolver(),
));
Some(Arc::new(CliNodeResolver::new(
None,
fs,
node_resolver_inner,
npm_resolver.clone(),
)))
}
fn create_graph_resolver(
config_data: Option<&ConfigData>,
npm_resolver: Option<&Arc<dyn CliNpmResolver>>,
node_resolver: Option<&Arc<CliNodeResolver>>,
) -> Arc<CliGraphResolver> {
let config_file = config_data.and_then(|d| d.config_file.as_deref());
Arc::new(CliGraphResolver::new(CliGraphResolverOptions {
node_resolver: node_resolver.cloned(),
npm_resolver: npm_resolver.cloned(),
package_json_deps_provider: Arc::new(PackageJsonDepsProvider::new(
config_data
.and_then(|d| d.package_json.as_ref())
.map(|package_json| {
package_json::get_local_package_json_version_reqs(package_json)
}),
)),
maybe_jsx_import_source_config: config_file
.and_then(|cf| cf.to_maybe_jsx_import_source_config().ok().flatten()),
maybe_import_map: config_data.and_then(|d| d.import_map.clone()),
maybe_vendor_dir: config_data.and_then(|d| d.vendor_dir.as_ref()),
bare_node_builtins_enabled: config_file
.map(|cf| cf.has_unstable("bare-node-builtins"))
.unwrap_or(false),
// not used in the LSP as the LspGraphResolver handles this
sloppy_imports_resolver: None,
}))
}
#[derive(Debug, Clone, PartialEq, Eq)]
struct LspNpmConfigHash(u64);
impl LspNpmConfigHash {
pub fn new(config: &Config, global_cache_path: Option<&Path>) -> Self {
let config_data = config.tree.root_data();
let scope = config_data.map(|d| &d.scope);
let node_modules_dir =
config_data.and_then(|d| d.node_modules_dir.as_ref());
let lockfile = config_data.and_then(|d| d.lockfile.as_ref());
let mut hasher = FastInsecureHasher::new();
hasher.write_hashable(scope);
hasher.write_hashable(node_modules_dir);
hasher.write_hashable(global_cache_path);
if let Some(lockfile) = lockfile {
hasher.write_hashable(&*lockfile.lock());
}
hasher.write_hashable(global_cache_path);
Self(hasher.finish())
}
}
#[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> {
if matches!(specifier.scheme(), "http" | "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_headers(&cache_key).ok().flatten()?;
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
}
}
}