2022-08-10 15:23:58 -04:00
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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2022-08-14 09:09:16 -04:00
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use std::borrow::Cow;
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use std::fs;
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2022-09-01 12:37:14 -04:00
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use std::path::Path;
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use std::path::PathBuf;
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use deno_ast::ModuleSpecifier;
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use deno_core::anyhow::bail;
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use deno_core::anyhow::Context;
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use deno_core::error::custom_error;
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use deno_core::error::AnyError;
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use deno_core::url::Url;
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use deno_runtime::deno_fetch::reqwest;
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use crate::deno_dir::DenoDir;
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use crate::file_fetcher::CacheSetting;
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use crate::fs_util;
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use crate::progress_bar::ProgressBar;
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2022-09-13 11:59:01 -04:00
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use super::registry::NpmPackageVersionDistInfo;
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use super::semver::NpmVersion;
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use super::tarball::verify_and_extract_tarball;
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2022-10-17 12:27:31 -04:00
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/// For some of the tests, we want downloading of packages
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/// to be deterministic so that the output is always the same
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pub fn should_sync_download() -> bool {
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std::env::var("DENO_UNSTABLE_NPM_SYNC_DOWNLOAD") == Ok("1".to_string())
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}
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2022-11-08 14:17:24 -05:00
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const NPM_PACKAGE_SYNC_LOCK_FILENAME: &str = ".deno_sync_lock";
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pub fn with_folder_sync_lock(
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package: (&str, &NpmVersion),
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output_folder: &Path,
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action: impl FnOnce() -> Result<(), AnyError>,
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) -> Result<(), AnyError> {
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fn inner(
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output_folder: &Path,
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action: impl FnOnce() -> Result<(), AnyError>,
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) -> Result<(), AnyError> {
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fs::create_dir_all(output_folder).with_context(|| {
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format!("Error creating '{}'.", output_folder.display())
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})?;
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// This sync lock file is a way to ensure that partially created
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// npm package directories aren't considered valid. This could maybe
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// be a bit smarter in the future to not bother extracting here
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// if another process has taken the lock in the past X seconds and
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// wait for the other process to finish (it could try to create the
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// file with `create_new(true)` then if it exists, check the metadata
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// then wait until the other process finishes with a timeout), but
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// for now this is good enough.
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let sync_lock_path = output_folder.join(NPM_PACKAGE_SYNC_LOCK_FILENAME);
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match fs::OpenOptions::new()
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.write(true)
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.create(true)
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.open(&sync_lock_path)
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{
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Ok(_) => {
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action()?;
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// extraction succeeded, so only now delete this file
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let _ignore = std::fs::remove_file(&sync_lock_path);
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Ok(())
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}
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Err(err) => {
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bail!(
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concat!(
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"Error creating package sync lock file at '{}'. ",
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"Maybe try manually deleting this folder.\n\n{:#}",
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),
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output_folder.display(),
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err
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);
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}
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}
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}
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match inner(output_folder, action) {
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Ok(()) => Ok(()),
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Err(err) => {
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if let Err(remove_err) = fs::remove_dir_all(&output_folder) {
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if remove_err.kind() != std::io::ErrorKind::NotFound {
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bail!(
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concat!(
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"Failed setting up package cache directory for {}@{}, then ",
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"failed cleaning it up.\n\nOriginal error:\n\n{}\n\n",
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"Remove error:\n\n{}\n\nPlease manually ",
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"delete this folder or you will run into issues using this ",
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"package in the future:\n\n{}"
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),
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package.0,
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package.1,
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err,
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remove_err,
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output_folder.display(),
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);
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}
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}
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Err(err)
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}
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}
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}
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pub struct NpmPackageCacheFolderId {
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pub name: String,
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pub version: NpmVersion,
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/// Peer dependency resolution may require us to have duplicate copies
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/// of the same package.
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pub copy_index: usize,
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}
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impl NpmPackageCacheFolderId {
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pub fn with_no_count(&self) -> Self {
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Self {
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name: self.name.clone(),
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version: self.version.clone(),
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copy_index: 0,
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}
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}
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}
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impl std::fmt::Display for NpmPackageCacheFolderId {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}@{}", self.name, self.version)?;
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if self.copy_index > 0 {
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write!(f, "_{}", self.copy_index)?;
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}
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Ok(())
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}
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}
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#[derive(Clone, Debug)]
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pub struct ReadonlyNpmCache {
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root_dir: PathBuf,
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// cached url representation of the root directory
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root_dir_url: Url,
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}
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// todo(dsherret): implementing Default for this is error prone because someone
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// might accidentally use the default implementation instead of getting the
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// correct location of the deno dir, which might be provided via a CLI argument.
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// That said, the rest of the LSP code does this at the moment and so this code
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// copies that.
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impl Default for ReadonlyNpmCache {
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fn default() -> Self {
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// This only gets used when creating the tsc runtime and for testing, and so
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// it shouldn't ever actually access the DenoDir, so it doesn't support a
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// custom root.
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Self::from_deno_dir(&crate::deno_dir::DenoDir::new(None).unwrap())
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}
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}
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impl ReadonlyNpmCache {
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pub fn new(root_dir: PathBuf) -> Self {
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fn try_get_canonicalized_root_dir(
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root_dir: &Path,
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) -> Result<PathBuf, AnyError> {
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if !root_dir.exists() {
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std::fs::create_dir_all(&root_dir)
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.with_context(|| format!("Error creating {}", root_dir.display()))?;
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}
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Ok(crate::fs_util::canonicalize_path(root_dir)?)
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}
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// this may fail on readonly file systems, so just ignore if so
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let root_dir =
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try_get_canonicalized_root_dir(&root_dir).unwrap_or(root_dir);
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let root_dir_url = Url::from_directory_path(&root_dir).unwrap();
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Self {
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root_dir,
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root_dir_url,
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}
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}
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pub fn from_deno_dir(dir: &DenoDir) -> Self {
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Self::new(dir.root.join("npm"))
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}
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pub fn package_folder_for_id(
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&self,
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id: &NpmPackageCacheFolderId,
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registry_url: &Url,
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) -> PathBuf {
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if id.copy_index == 0 {
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self.package_folder_for_name_and_version(
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&id.name,
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&id.version,
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registry_url,
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)
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} else {
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self
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.package_name_folder(&id.name, registry_url)
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.join(format!("{}_{}", id.version, id.copy_index))
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}
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}
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pub fn package_folder_for_name_and_version(
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&self,
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name: &str,
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version: &NpmVersion,
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registry_url: &Url,
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) -> PathBuf {
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self
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.package_name_folder(name, registry_url)
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.join(version.to_string())
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}
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pub fn package_name_folder(&self, name: &str, registry_url: &Url) -> PathBuf {
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let mut dir = self.registry_folder(registry_url);
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let parts = name.split('/').map(Cow::Borrowed).collect::<Vec<_>>();
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if name.to_lowercase() != name {
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// Lowercase package names introduce complications.
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// When implementing this ensure:
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// 1. It works on case insensitive filesystems. ex. JSON should not
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// conflict with json... yes you read that right, those are separate
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// packages.
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// 2. We can figure out the package id from the path. This is used
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// in resolve_package_id_from_specifier
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// Probably use a hash of the package name at `npm/-/<hash>` then create
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// a mapping for these package names.
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todo!("deno currently doesn't support npm package names that are not all lowercase");
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}
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// ensure backslashes are used on windows
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for part in parts {
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dir = dir.join(&*part);
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}
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dir
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}
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2022-08-20 11:31:33 -04:00
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pub fn registry_folder(&self, registry_url: &Url) -> PathBuf {
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self
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.root_dir
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.join(fs_util::root_url_to_safe_local_dirname(registry_url))
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}
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pub fn resolve_package_folder_id_from_specifier(
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&self,
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specifier: &ModuleSpecifier,
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registry_url: &Url,
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) -> Result<NpmPackageCacheFolderId, AnyError> {
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match self
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.maybe_resolve_package_folder_id_from_specifier(specifier, registry_url)
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{
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Some(id) => Ok(id),
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None => bail!("could not find npm package for '{}'", specifier),
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}
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}
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fn maybe_resolve_package_folder_id_from_specifier(
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&self,
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specifier: &ModuleSpecifier,
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registry_url: &Url,
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) -> Option<NpmPackageCacheFolderId> {
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let registry_root_dir = self
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.root_dir_url
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.join(&format!(
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"{}/",
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fs_util::root_url_to_safe_local_dirname(registry_url)
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.to_string_lossy()
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.replace('\\', "/")
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))
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// this not succeeding indicates a fatal issue, so unwrap
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.unwrap();
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let relative_url = registry_root_dir.make_relative(specifier)?;
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if relative_url.starts_with("../") {
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return None;
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}
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// examples:
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// * chalk/5.0.1/
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// * @types/chalk/5.0.1/
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// * some-package/5.0.1_1/ -- where the `_1` (/_\d+/) is a copy of the folder for peer deps
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let is_scoped_package = relative_url.starts_with('@');
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let mut parts = relative_url
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.split('/')
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.enumerate()
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.take(if is_scoped_package { 3 } else { 2 })
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.map(|(_, part)| part)
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.collect::<Vec<_>>();
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2022-10-21 11:20:18 -04:00
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if parts.len() < 2 {
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return None;
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}
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let version_part = parts.pop().unwrap();
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let name = parts.join("/");
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let (version, copy_index) =
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if let Some((version, copy_count)) = version_part.split_once('_') {
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(version, copy_count.parse::<usize>().ok()?)
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} else {
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(version_part, 0)
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};
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Some(NpmPackageCacheFolderId {
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name,
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version: NpmVersion::parse(version).ok()?,
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copy_index,
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})
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}
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2022-09-03 09:31:01 -04:00
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pub fn get_cache_location(&self) -> PathBuf {
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self.root_dir.clone()
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}
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}
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/// Stores a single copy of npm packages in a cache.
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#[derive(Clone, Debug)]
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pub struct NpmCache {
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readonly: ReadonlyNpmCache,
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cache_setting: CacheSetting,
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progress_bar: ProgressBar,
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}
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impl NpmCache {
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pub fn from_deno_dir(
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dir: &DenoDir,
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cache_setting: CacheSetting,
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progress_bar: ProgressBar,
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) -> Self {
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Self {
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readonly: ReadonlyNpmCache::from_deno_dir(dir),
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cache_setting,
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progress_bar,
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}
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2022-08-10 15:23:58 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
pub fn as_readonly(&self) -> ReadonlyNpmCache {
|
2022-08-22 11:35:04 -04:00
|
|
|
self.readonly.clone()
|
2022-08-10 15:23:58 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
pub async fn ensure_package(
|
|
|
|
&self,
|
2022-11-08 14:17:24 -05:00
|
|
|
package: (&str, &NpmVersion),
|
2022-08-10 15:23:58 -04:00
|
|
|
dist: &NpmPackageVersionDistInfo,
|
|
|
|
registry_url: &Url,
|
2022-09-23 17:35:48 -04:00
|
|
|
) -> Result<(), AnyError> {
|
|
|
|
self
|
2022-11-08 14:17:24 -05:00
|
|
|
.ensure_package_inner(package, dist, registry_url)
|
2022-09-23 17:35:48 -04:00
|
|
|
.await
|
2022-11-08 14:17:24 -05:00
|
|
|
.with_context(|| {
|
|
|
|
format!("Failed caching npm package '{}@{}'.", package.0, package.1)
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn should_use_cache_for_npm_package(&self, package_name: &str) -> bool {
|
|
|
|
self.cache_setting.should_use_for_npm_package(package_name)
|
2022-09-23 17:35:48 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
async fn ensure_package_inner(
|
|
|
|
&self,
|
2022-11-08 14:17:24 -05:00
|
|
|
package: (&str, &NpmVersion),
|
2022-09-23 17:35:48 -04:00
|
|
|
dist: &NpmPackageVersionDistInfo,
|
|
|
|
registry_url: &Url,
|
2022-08-10 15:23:58 -04:00
|
|
|
) -> Result<(), AnyError> {
|
2022-11-08 14:17:24 -05:00
|
|
|
let package_folder = self.readonly.package_folder_for_name_and_version(
|
|
|
|
package.0,
|
|
|
|
package.1,
|
|
|
|
registry_url,
|
|
|
|
);
|
2022-08-10 15:23:58 -04:00
|
|
|
if package_folder.exists()
|
|
|
|
// if this file exists, then the package didn't successfully extract
|
|
|
|
// the first time, or another process is currently extracting the zip file
|
|
|
|
&& !package_folder.join(NPM_PACKAGE_SYNC_LOCK_FILENAME).exists()
|
2022-11-08 14:17:24 -05:00
|
|
|
&& self.should_use_cache_for_npm_package(package.0)
|
2022-08-10 15:23:58 -04:00
|
|
|
{
|
|
|
|
return Ok(());
|
2022-08-22 11:35:04 -04:00
|
|
|
} else if self.cache_setting == CacheSetting::Only {
|
|
|
|
return Err(custom_error(
|
|
|
|
"NotCached",
|
|
|
|
format!(
|
|
|
|
"An npm specifier not found in cache: \"{}\", --cached-only is specified.",
|
2022-11-08 14:17:24 -05:00
|
|
|
&package.0
|
2022-08-22 11:35:04 -04:00
|
|
|
)
|
|
|
|
)
|
|
|
|
);
|
2022-08-10 15:23:58 -04:00
|
|
|
}
|
|
|
|
|
2022-09-09 15:57:39 -04:00
|
|
|
let _guard = self.progress_bar.update(&dist.tarball);
|
2022-08-10 15:23:58 -04:00
|
|
|
let response = reqwest::get(&dist.tarball).await?;
|
|
|
|
|
|
|
|
if response.status() == 404 {
|
|
|
|
bail!("Could not find npm package tarball at: {}", dist.tarball);
|
|
|
|
} else if !response.status().is_success() {
|
2022-08-25 20:24:18 -04:00
|
|
|
let status = response.status();
|
|
|
|
let maybe_response_text = response.text().await.ok();
|
|
|
|
bail!(
|
|
|
|
"Bad response: {:?}{}",
|
|
|
|
status,
|
|
|
|
match maybe_response_text {
|
|
|
|
Some(text) => format!("\n\n{}", text),
|
|
|
|
None => String::new(),
|
|
|
|
}
|
|
|
|
);
|
2022-08-10 15:23:58 -04:00
|
|
|
} else {
|
|
|
|
let bytes = response.bytes().await?;
|
|
|
|
|
2022-11-08 14:17:24 -05:00
|
|
|
verify_and_extract_tarball(package, &bytes, dist, &package_folder)
|
2022-08-10 15:23:58 -04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-11-08 14:17:24 -05:00
|
|
|
/// Ensures a copy of the package exists in the global cache.
|
|
|
|
///
|
|
|
|
/// This assumes that the original package folder being hard linked
|
|
|
|
/// from exists before this is called.
|
|
|
|
pub fn ensure_copy_package(
|
2022-08-10 15:23:58 -04:00
|
|
|
&self,
|
2022-11-08 14:17:24 -05:00
|
|
|
id: &NpmPackageCacheFolderId,
|
|
|
|
registry_url: &Url,
|
|
|
|
) -> Result<(), AnyError> {
|
|
|
|
assert_ne!(id.copy_index, 0);
|
|
|
|
let package_folder = self.readonly.package_folder_for_id(id, registry_url);
|
|
|
|
|
|
|
|
if package_folder.exists()
|
|
|
|
// if this file exists, then the package didn't successfully extract
|
|
|
|
// the first time, or another process is currently extracting the zip file
|
|
|
|
&& !package_folder.join(NPM_PACKAGE_SYNC_LOCK_FILENAME).exists()
|
|
|
|
&& self.cache_setting.should_use_for_npm_package(&id.name)
|
|
|
|
{
|
|
|
|
return Ok(());
|
|
|
|
}
|
|
|
|
|
|
|
|
let original_package_folder = self
|
|
|
|
.readonly
|
|
|
|
.package_folder_for_name_and_version(&id.name, &id.version, registry_url);
|
|
|
|
with_folder_sync_lock(
|
|
|
|
(id.name.as_str(), &id.version),
|
|
|
|
&package_folder,
|
|
|
|
|| {
|
|
|
|
fs_util::hard_link_dir_recursive(
|
|
|
|
&original_package_folder,
|
|
|
|
&package_folder,
|
|
|
|
)
|
|
|
|
},
|
|
|
|
)?;
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn package_folder_for_id(
|
|
|
|
&self,
|
|
|
|
id: &NpmPackageCacheFolderId,
|
|
|
|
registry_url: &Url,
|
|
|
|
) -> PathBuf {
|
|
|
|
self.readonly.package_folder_for_id(id, registry_url)
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn package_folder_for_name_and_version(
|
|
|
|
&self,
|
|
|
|
name: &str,
|
|
|
|
version: &NpmVersion,
|
2022-08-10 15:23:58 -04:00
|
|
|
registry_url: &Url,
|
|
|
|
) -> PathBuf {
|
2022-11-08 14:17:24 -05:00
|
|
|
self.readonly.package_folder_for_name_and_version(
|
|
|
|
name,
|
|
|
|
version,
|
|
|
|
registry_url,
|
|
|
|
)
|
2022-08-10 15:23:58 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
pub fn package_name_folder(&self, name: &str, registry_url: &Url) -> PathBuf {
|
2022-08-22 11:35:04 -04:00
|
|
|
self.readonly.package_name_folder(name, registry_url)
|
2022-08-10 15:23:58 -04:00
|
|
|
}
|
|
|
|
|
2022-08-20 11:31:33 -04:00
|
|
|
pub fn registry_folder(&self, registry_url: &Url) -> PathBuf {
|
2022-08-22 11:35:04 -04:00
|
|
|
self.readonly.registry_folder(registry_url)
|
2022-08-20 11:31:33 -04:00
|
|
|
}
|
|
|
|
|
2022-11-08 14:17:24 -05:00
|
|
|
pub fn resolve_package_folder_id_from_specifier(
|
2022-08-10 15:23:58 -04:00
|
|
|
&self,
|
|
|
|
specifier: &ModuleSpecifier,
|
|
|
|
registry_url: &Url,
|
2022-11-08 14:17:24 -05:00
|
|
|
) -> Result<NpmPackageCacheFolderId, AnyError> {
|
2022-08-10 15:23:58 -04:00
|
|
|
self
|
2022-08-22 11:35:04 -04:00
|
|
|
.readonly
|
2022-11-08 14:17:24 -05:00
|
|
|
.resolve_package_folder_id_from_specifier(specifier, registry_url)
|
2022-08-10 15:23:58 -04:00
|
|
|
}
|
|
|
|
}
|
2022-08-14 09:09:16 -04:00
|
|
|
|
|
|
|
#[cfg(test)]
|
|
|
|
mod test {
|
|
|
|
use deno_core::url::Url;
|
|
|
|
|
|
|
|
use super::ReadonlyNpmCache;
|
2022-11-08 14:17:24 -05:00
|
|
|
use crate::npm::cache::NpmPackageCacheFolderId;
|
2022-09-01 11:50:12 -04:00
|
|
|
use crate::npm::semver::NpmVersion;
|
2022-08-14 09:09:16 -04:00
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn should_get_lowercase_package_folder() {
|
|
|
|
let root_dir = crate::deno_dir::DenoDir::new(None).unwrap().root;
|
2022-09-01 12:37:14 -04:00
|
|
|
let cache = ReadonlyNpmCache::new(root_dir.clone());
|
2022-08-14 09:09:16 -04:00
|
|
|
let registry_url = Url::parse("https://registry.npmjs.org/").unwrap();
|
|
|
|
|
|
|
|
assert_eq!(
|
2022-11-08 14:17:24 -05:00
|
|
|
cache.package_folder_for_id(
|
|
|
|
&NpmPackageCacheFolderId {
|
2022-08-14 09:09:16 -04:00
|
|
|
name: "json".to_string(),
|
2022-09-01 11:50:12 -04:00
|
|
|
version: NpmVersion::parse("1.2.5").unwrap(),
|
2022-11-08 14:17:24 -05:00
|
|
|
copy_index: 0,
|
2022-08-14 09:09:16 -04:00
|
|
|
},
|
|
|
|
®istry_url,
|
|
|
|
),
|
|
|
|
root_dir
|
|
|
|
.join("registry.npmjs.org")
|
|
|
|
.join("json")
|
|
|
|
.join("1.2.5"),
|
|
|
|
);
|
|
|
|
|
|
|
|
assert_eq!(
|
2022-11-08 14:17:24 -05:00
|
|
|
cache.package_folder_for_id(
|
|
|
|
&NpmPackageCacheFolderId {
|
|
|
|
name: "json".to_string(),
|
2022-09-01 11:50:12 -04:00
|
|
|
version: NpmVersion::parse("1.2.5").unwrap(),
|
2022-11-08 14:17:24 -05:00
|
|
|
copy_index: 1,
|
2022-08-14 09:09:16 -04:00
|
|
|
},
|
|
|
|
®istry_url,
|
|
|
|
),
|
|
|
|
root_dir
|
|
|
|
.join("registry.npmjs.org")
|
2022-11-08 14:17:24 -05:00
|
|
|
.join("json")
|
|
|
|
.join("1.2.5_1"),
|
2022-08-14 09:09:16 -04:00
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|