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use std::path::Path;
use std::path::PathBuf;
use deno_ast::ModuleSpecifier;
use deno_core::anyhow::Context;
use deno_core::error::AnyError;
use deno_core::futures;
use deno_core::futures::future::BoxFuture;
use deno_core::url::Url;
use crate::npm::NpmCache;
use crate::npm::NpmPackageId;
use crate::npm::NpmPackageReq;
use crate::npm::NpmResolutionPackage;
/// Information about the local npm package.
pub struct LocalNpmPackageInfo {
/// Unique identifier.
pub id: NpmPackageId,
/// Local folder path of the npm package.
pub folder_path: PathBuf,
}
pub trait InnerNpmPackageResolver: Send + Sync {
fn resolve_package_from_deno_module(
&self,
pkg_req: &NpmPackageReq,
) -> Result<LocalNpmPackageInfo, AnyError>;
fn resolve_package_from_package(
&self,
name: &str,
referrer: &ModuleSpecifier,
) -> Result<LocalNpmPackageInfo, AnyError>;
fn resolve_package_from_specifier(
&self,
specifier: &ModuleSpecifier,
) -> Result<LocalNpmPackageInfo, AnyError>;
fn has_packages(&self) -> bool;
fn add_package_reqs(
&self,
packages: Vec<NpmPackageReq>,
) -> BoxFuture<'static, Result<(), AnyError>>;
fn ensure_read_permission(&self, path: &Path) -> Result<(), AnyError>;
}
/// Caches all the packages in parallel.
pub async fn cache_packages(
mut packages: Vec<NpmResolutionPackage>,
cache: &NpmCache,
registry_url: &Url,
) -> Result<(), AnyError> {
if std::env::var("DENO_UNSTABLE_NPM_SYNC_DOWNLOAD") == Ok("1".to_string()) {
// for some of the tests, we want downloading of packages
// to be deterministic so that the output is always the same
packages.sort_by(|a, b| a.id.cmp(&b.id));
for package in packages {
cache
.ensure_package(&package.id, &package.dist, registry_url)
.await
.with_context(|| {
format!("Failed caching npm package '{}'.", package.id)
})?;
}
} else {
let handles = packages.into_iter().map(|package| {
let cache = cache.clone();
let registry_url = registry_url.clone();
tokio::task::spawn(async move {
cache
.ensure_package(&package.id, &package.dist, ®istry_url)
.await
.with_context(|| {
format!("Failed caching npm package '{}'.", package.id)
})
})
});
let results = futures::future::join_all(handles).await;
for result in results {
// surface the first error
result??;
}
}
Ok(())
}
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