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denoland-deno/cli/npm/resolvers/common.rs

155 lines
4.2 KiB
Rust

// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use std::collections::HashSet;
use std::io::ErrorKind;
use std::path::Path;
use std::path::PathBuf;
use deno_ast::ModuleSpecifier;
use deno_core::error::AnyError;
use deno_core::futures;
use deno_core::futures::future::BoxFuture;
use deno_core::url::Url;
use deno_runtime::deno_node::NodeResolutionMode;
use crate::args::Lockfile;
use crate::npm::cache::should_sync_download;
use crate::npm::resolution::NpmResolutionSnapshot;
use crate::npm::NpmCache;
use crate::npm::NpmPackageId;
use crate::npm::NpmPackageReq;
use crate::npm::NpmResolutionPackage;
pub trait InnerNpmPackageResolver: Send + Sync {
fn resolve_package_folder_from_deno_module(
&self,
pkg_req: &NpmPackageReq,
) -> Result<PathBuf, AnyError>;
fn resolve_package_folder_from_package(
&self,
name: &str,
referrer: &ModuleSpecifier,
mode: NodeResolutionMode,
) -> Result<PathBuf, AnyError>;
fn resolve_package_folder_from_specifier(
&self,
specifier: &ModuleSpecifier,
) -> Result<PathBuf, AnyError>;
fn package_size(&self, package_id: &NpmPackageId) -> Result<u64, AnyError>;
fn has_packages(&self) -> bool;
fn add_package_reqs(
&self,
packages: Vec<NpmPackageReq>,
) -> BoxFuture<'static, Result<(), AnyError>>;
fn set_package_reqs(
&self,
packages: HashSet<NpmPackageReq>,
) -> BoxFuture<'static, Result<(), AnyError>>;
fn cache_packages(&self) -> BoxFuture<'static, Result<(), AnyError>>;
fn ensure_read_permission(&self, path: &Path) -> Result<(), AnyError>;
fn snapshot(&self) -> NpmResolutionSnapshot;
fn lock(&self, lockfile: &mut Lockfile) -> Result<(), AnyError>;
}
/// Caches all the packages in parallel.
pub async fn cache_packages(
mut packages: Vec<NpmResolutionPackage>,
cache: &NpmCache,
registry_url: &Url,
) -> Result<(), AnyError> {
let sync_download = should_sync_download();
if sync_download {
// we're running the tests not with --quiet
// and we want the output to be deterministic
packages.sort_by(|a, b| a.id.cmp(&b.id));
}
let mut handles = Vec::with_capacity(packages.len());
for package in packages {
assert_eq!(package.copy_index, 0); // the caller should not provide any of these
let cache = cache.clone();
let registry_url = registry_url.clone();
let handle = tokio::task::spawn(async move {
cache
.ensure_package(
(package.id.name.as_str(), &package.id.version),
&package.dist,
&registry_url,
)
.await
});
if sync_download {
handle.await??;
} else {
handles.push(handle);
}
}
let results = futures::future::join_all(handles).await;
for result in results {
// surface the first error
result??;
}
Ok(())
}
pub fn ensure_registry_read_permission(
registry_path: &Path,
path: &Path,
) -> Result<(), AnyError> {
// allow reading if it's in the node_modules
if path.starts_with(registry_path)
&& path
.components()
.all(|c| !matches!(c, std::path::Component::ParentDir))
{
// todo(dsherret): cache this?
if let Ok(registry_path) = std::fs::canonicalize(registry_path) {
match std::fs::canonicalize(path) {
Ok(path) if path.starts_with(registry_path) => {
return Ok(());
}
Err(e) if e.kind() == ErrorKind::NotFound => {
return Ok(());
}
_ => {} // ignore
}
}
}
Err(deno_core::error::custom_error(
"PermissionDenied",
format!("Reading {} is not allowed", path.display()),
))
}
/// Gets the corresponding @types package for the provided package name.
pub fn types_package_name(package_name: &str) -> String {
debug_assert!(!package_name.starts_with("@types/"));
// Scoped packages will get two underscores for each slash
// https://github.com/DefinitelyTyped/DefinitelyTyped/tree/15f1ece08f7b498f4b9a2147c2a46e94416ca777#what-about-scoped-packages
format!("@types/{}", package_name.replace('/', "__"))
}
#[cfg(test)]
mod test {
use super::types_package_name;
#[test]
fn test_types_package_name() {
assert_eq!(types_package_name("name"), "@types/name");
assert_eq!(
types_package_name("@scoped/package"),
"@types/@scoped__package"
);
}
}