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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
mod byonm;
mod common;
mod managed;
use std::path::Path;
use std::path::PathBuf;
use std::sync::Arc;
use dashmap::DashMap;
use deno_ast::ModuleSpecifier;
use deno_core::error::AnyError;
use deno_core::serde_json;
use deno_npm::registry::NpmPackageInfo;
use deno_resolver::npm::ByonmNpmResolver;
use deno_resolver::npm::ByonmResolvePkgFolderFromDenoReqError;
use deno_runtime::deno_node::NodeRequireResolver;
use deno_runtime::ops::process::NpmProcessStateProvider;
use deno_semver::package::PackageNv;
use deno_semver::package::PackageReq;
use node_resolver::NpmResolver;
use thiserror::Error;
use crate::args::npm_registry_url;
use crate::file_fetcher::FileFetcher;
pub use self::byonm::CliByonmNpmResolver;
pub use self::byonm::CliByonmNpmResolverCreateOptions;
pub use self::managed::CliNpmResolverManagedCreateOptions;
pub use self::managed::CliNpmResolverManagedSnapshotOption;
pub use self::managed::ManagedCliNpmResolver;
#[derive(Debug, Error)]
pub enum ResolvePkgFolderFromDenoReqError {
#[error(transparent)]
Managed(deno_core::error::AnyError),
#[error(transparent)]
Byonm(#[from] ByonmResolvePkgFolderFromDenoReqError),
}
pub enum CliNpmResolverCreateOptions {
Managed(CliNpmResolverManagedCreateOptions),
Byonm(CliByonmNpmResolverCreateOptions),
}
pub async fn create_cli_npm_resolver_for_lsp(
options: CliNpmResolverCreateOptions,
) -> Arc<dyn CliNpmResolver> {
use CliNpmResolverCreateOptions::*;
match options {
Managed(options) => {
managed::create_managed_npm_resolver_for_lsp(options).await
}
Byonm(options) => Arc::new(ByonmNpmResolver::new(options)),
}
}
pub async fn create_cli_npm_resolver(
options: CliNpmResolverCreateOptions,
) -> Result<Arc<dyn CliNpmResolver>, AnyError> {
use CliNpmResolverCreateOptions::*;
match options {
Managed(options) => managed::create_managed_npm_resolver(options).await,
Byonm(options) => Ok(Arc::new(ByonmNpmResolver::new(options))),
}
}
pub enum InnerCliNpmResolverRef<'a> {
Managed(&'a ManagedCliNpmResolver),
#[allow(dead_code)]
Byonm(&'a CliByonmNpmResolver),
}
pub trait CliNpmResolver: NpmResolver {
fn into_npm_resolver(self: Arc<Self>) -> Arc<dyn NpmResolver>;
fn into_require_resolver(self: Arc<Self>) -> Arc<dyn NodeRequireResolver>;
fn into_process_state_provider(
self: Arc<Self>,
) -> Arc<dyn NpmProcessStateProvider>;
fn clone_snapshotted(&self) -> Arc<dyn CliNpmResolver>;
fn as_inner(&self) -> InnerCliNpmResolverRef;
fn as_managed(&self) -> Option<&ManagedCliNpmResolver> {
match self.as_inner() {
InnerCliNpmResolverRef::Managed(inner) => Some(inner),
InnerCliNpmResolverRef::Byonm(_) => None,
}
}
fn as_byonm(&self) -> Option<&CliByonmNpmResolver> {
match self.as_inner() {
InnerCliNpmResolverRef::Managed(_) => None,
InnerCliNpmResolverRef::Byonm(inner) => Some(inner),
}
}
fn root_node_modules_path(&self) -> Option<&Path>;
fn resolve_pkg_folder_from_deno_module_req(
&self,
req: &PackageReq,
referrer: &ModuleSpecifier,
) -> Result<PathBuf, ResolvePkgFolderFromDenoReqError>;
/// Returns a hash returning the state of the npm resolver
/// or `None` if the state currently can't be determined.
fn check_state_hash(&self) -> Option<u64>;
}
#[derive(Debug)]
pub struct NpmFetchResolver {
nv_by_req: DashMap<PackageReq, Option<PackageNv>>,
info_by_name: DashMap<String, Option<Arc<NpmPackageInfo>>>,
file_fetcher: Arc<FileFetcher>,
}
impl NpmFetchResolver {
pub fn new(file_fetcher: Arc<FileFetcher>) -> Self {
Self {
nv_by_req: Default::default(),
info_by_name: Default::default(),
file_fetcher,
}
}
pub async fn req_to_nv(&self, req: &PackageReq) -> Option<PackageNv> {
if let Some(nv) = self.nv_by_req.get(req) {
return nv.value().clone();
}
let maybe_get_nv = || async {
let name = req.name.clone();
let package_info = self.package_info(&name).await?;
if let Some(dist_tag) = req.version_req.tag() {
let version = package_info.dist_tags.get(dist_tag)?.clone();
return Some(PackageNv { name, version });
}
// Find the first matching version of the package.
let mut versions = package_info.versions.keys().collect::<Vec<_>>();
versions.sort();
let version = versions
.into_iter()
.rev()
.find(|v| req.version_req.tag().is_none() && req.version_req.matches(v))
.cloned()?;
Some(PackageNv { name, version })
};
let nv = maybe_get_nv().await;
self.nv_by_req.insert(req.clone(), nv.clone());
nv
}
pub async fn package_info(&self, name: &str) -> Option<Arc<NpmPackageInfo>> {
if let Some(info) = self.info_by_name.get(name) {
return info.value().clone();
}
let fetch_package_info = || async {
let info_url = npm_registry_url().join(name).ok()?;
let file_fetcher = self.file_fetcher.clone();
// spawn due to the lsp's `Send` requirement
let file = deno_core::unsync::spawn(async move {
file_fetcher.fetch_bypass_permissions(&info_url).await.ok()
})
.await
.ok()??;
serde_json::from_slice::<NpmPackageInfo>(&file.source).ok()
};
let info = fetch_package_info().await.map(Arc::new);
self.info_by_name.insert(name.to_string(), info.clone());
info
}
}
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