mirror of
https://github.com/denoland/deno
synced 2024-08-27 12:00:17 +00:00
123 lines
3.5 KiB
Rust
123 lines
3.5 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use std::future::Future;
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use std::sync::Arc;
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use deno_core::error::AnyError;
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use deno_core::futures::stream::FuturesOrdered;
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use deno_core::futures::StreamExt;
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use deno_npm::registry::NpmRegistryApi;
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use deno_npm::registry::NpmRegistryPackageInfoLoadError;
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use deno_semver::package::PackageReq;
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use crate::args::PackageJsonDepsProvider;
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use crate::util::sync::AtomicFlag;
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use super::CliNpmRegistryApi;
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use super::NpmResolution;
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#[derive(Debug)]
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struct PackageJsonDepsInstallerInner {
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deps_provider: Arc<PackageJsonDepsProvider>,
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has_installed_flag: AtomicFlag,
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npm_registry_api: Arc<CliNpmRegistryApi>,
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npm_resolution: Arc<NpmResolution>,
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}
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impl PackageJsonDepsInstallerInner {
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pub fn reqs_with_info_futures<'a>(
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&self,
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reqs: &'a [&'a PackageReq],
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) -> FuturesOrdered<
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impl Future<
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Output = Result<
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(&'a PackageReq, Arc<deno_npm::registry::NpmPackageInfo>),
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NpmRegistryPackageInfoLoadError,
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>,
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>,
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> {
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FuturesOrdered::from_iter(reqs.iter().map(|req| {
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let api = self.npm_registry_api.clone();
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async move {
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let info = api.package_info(&req.name).await?;
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Ok::<_, NpmRegistryPackageInfoLoadError>((*req, info))
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}
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}))
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}
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}
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/// Holds and controls installing dependencies from package.json.
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#[derive(Debug, Default)]
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pub struct PackageJsonDepsInstaller(Option<PackageJsonDepsInstallerInner>);
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impl PackageJsonDepsInstaller {
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pub fn new(
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deps_provider: Arc<PackageJsonDepsProvider>,
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npm_registry_api: Arc<CliNpmRegistryApi>,
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npm_resolution: Arc<NpmResolution>,
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) -> Self {
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Self(Some(PackageJsonDepsInstallerInner {
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deps_provider,
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has_installed_flag: Default::default(),
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npm_registry_api,
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npm_resolution,
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}))
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}
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/// Creates an installer that never installs local packages during
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/// resolution. A top level install will be a no-op.
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pub fn no_op() -> Self {
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Self(None)
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}
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/// Installs the top level dependencies in the package.json file
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/// without going through and resolving the descendant dependencies yet.
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pub async fn ensure_top_level_install(&self) -> Result<(), AnyError> {
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let inner = match &self.0 {
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Some(inner) => inner,
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None => return Ok(()),
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};
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if !inner.has_installed_flag.raise() {
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return Ok(()); // already installed by something else
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}
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let package_reqs = inner.deps_provider.reqs();
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// check if something needs resolving before bothering to load all
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// the package information (which is slow)
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if package_reqs.iter().all(|req| {
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inner
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.npm_resolution
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.resolve_pkg_id_from_pkg_req(req)
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.is_ok()
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}) {
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log::debug!(
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"All package.json deps resolvable. Skipping top level install."
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);
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return Ok(()); // everything is already resolvable
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}
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let mut reqs_with_info_futures =
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inner.reqs_with_info_futures(&package_reqs);
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while let Some(result) = reqs_with_info_futures.next().await {
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let (req, info) = result?;
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let result = inner
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.npm_resolution
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.resolve_pkg_req_as_pending_with_info(req, &info);
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if let Err(err) = result {
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if inner.npm_registry_api.mark_force_reload() {
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log::debug!("Failed to resolve package. Retrying. Error: {err:#}");
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// re-initialize
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reqs_with_info_futures = inner.reqs_with_info_futures(&package_reqs);
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} else {
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return Err(err.into());
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}
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}
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}
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Ok(())
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}
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}
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