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6055629ee7
This is in preparation for extracting out node resolution code from ext/node (which is something I'm going to do gradually over time). Uses https://github.com/denoland/deno_package_json
308 lines
8.8 KiB
Rust
308 lines
8.8 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use std::borrow::Cow;
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use std::path::Path;
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use std::path::PathBuf;
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use std::sync::Arc;
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use deno_ast::ModuleSpecifier;
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use deno_core::anyhow::bail;
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use deno_core::error::AnyError;
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use deno_core::serde_json;
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use deno_package_json::PackageJsonDepValue;
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use deno_runtime::deno_fs::FileSystem;
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use deno_runtime::deno_node::errors::PackageFolderResolveError;
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use deno_runtime::deno_node::errors::PackageFolderResolveErrorKind;
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use deno_runtime::deno_node::load_pkg_json;
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use deno_runtime::deno_node::NodePermissions;
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use deno_runtime::deno_node::NpmResolver;
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use deno_runtime::deno_node::PackageJson;
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use deno_semver::package::PackageReq;
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use crate::args::NpmProcessState;
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use crate::args::NpmProcessStateKind;
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use crate::util::fs::canonicalize_path_maybe_not_exists_with_fs;
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use deno_runtime::fs_util::specifier_to_file_path;
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use super::CliNpmResolver;
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use super::InnerCliNpmResolverRef;
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pub struct CliNpmResolverByonmCreateOptions {
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pub fs: Arc<dyn FileSystem>,
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// todo(dsherret): investigate removing this
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pub root_node_modules_dir: Option<PathBuf>,
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}
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pub fn create_byonm_npm_resolver(
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options: CliNpmResolverByonmCreateOptions,
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) -> Arc<dyn CliNpmResolver> {
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Arc::new(ByonmCliNpmResolver {
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fs: options.fs,
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root_node_modules_dir: options.root_node_modules_dir,
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})
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}
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#[derive(Debug)]
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pub struct ByonmCliNpmResolver {
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fs: Arc<dyn FileSystem>,
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root_node_modules_dir: Option<PathBuf>,
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}
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impl ByonmCliNpmResolver {
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/// Finds the ancestor package.json that contains the specified dependency.
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pub fn find_ancestor_package_json_with_dep(
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&self,
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dep_name: &str,
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referrer: &ModuleSpecifier,
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) -> Option<Arc<PackageJson>> {
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let referrer_path = referrer.to_file_path().ok()?;
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let mut current_folder = referrer_path.parent()?;
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loop {
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let pkg_json_path = current_folder.join("package.json");
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if let Ok(Some(pkg_json)) =
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load_pkg_json(self.fs.as_ref(), &pkg_json_path)
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{
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if let Some(deps) = &pkg_json.dependencies {
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if deps.contains_key(dep_name) {
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return Some(pkg_json);
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}
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}
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if let Some(deps) = &pkg_json.dev_dependencies {
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if deps.contains_key(dep_name) {
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return Some(pkg_json);
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}
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}
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}
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if let Some(parent) = current_folder.parent() {
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current_folder = parent;
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} else {
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return None;
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}
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}
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}
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fn resolve_pkg_json_and_alias_for_req(
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&self,
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req: &PackageReq,
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referrer: &ModuleSpecifier,
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) -> Result<(Arc<PackageJson>, String), AnyError> {
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fn resolve_alias_from_pkg_json(
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req: &PackageReq,
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pkg_json: &PackageJson,
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) -> Option<String> {
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let deps = pkg_json.resolve_local_package_json_deps();
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for (key, value) in deps {
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if let Ok(value) = value {
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match value {
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PackageJsonDepValue::Req(dep_req) => {
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if dep_req.name == req.name
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&& dep_req.version_req.intersects(&req.version_req)
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{
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return Some(key);
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}
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}
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PackageJsonDepValue::Workspace(_workspace) => {
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if key == req.name && req.version_req.tag() == Some("workspace") {
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return Some(key);
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}
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}
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}
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}
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}
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None
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}
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// attempt to resolve the npm specifier from the referrer's package.json,
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if let Ok(file_path) = specifier_to_file_path(referrer) {
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let mut current_path = file_path.as_path();
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while let Some(dir_path) = current_path.parent() {
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let package_json_path = dir_path.join("package.json");
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if let Some(pkg_json) =
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load_pkg_json(self.fs.as_ref(), &package_json_path)?
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{
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if let Some(alias) =
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resolve_alias_from_pkg_json(req, pkg_json.as_ref())
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{
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return Ok((pkg_json, alias));
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}
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}
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current_path = dir_path;
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}
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}
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// otherwise, fall fallback to the project's package.json
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if let Some(root_node_modules_dir) = &self.root_node_modules_dir {
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let root_pkg_json_path =
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root_node_modules_dir.parent().unwrap().join("package.json");
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if let Some(pkg_json) =
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load_pkg_json(self.fs.as_ref(), &root_pkg_json_path)?
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{
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if let Some(alias) = resolve_alias_from_pkg_json(req, pkg_json.as_ref())
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{
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return Ok((pkg_json, alias));
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}
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}
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}
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bail!(
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concat!(
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"Could not find a matching package for 'npm:{}' in a package.json file. ",
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"You must specify this as a package.json dependency when the ",
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"node_modules folder is not managed by Deno.",
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),
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req,
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);
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}
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}
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impl NpmResolver for ByonmCliNpmResolver {
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fn get_npm_process_state(&self) -> String {
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serde_json::to_string(&NpmProcessState {
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kind: NpmProcessStateKind::Byonm,
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local_node_modules_path: self
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.root_node_modules_dir
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.as_ref()
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.map(|p| p.to_string_lossy().to_string()),
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})
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.unwrap()
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}
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fn resolve_package_folder_from_package(
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&self,
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name: &str,
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referrer: &ModuleSpecifier,
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) -> Result<PathBuf, PackageFolderResolveError> {
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fn inner(
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fs: &dyn FileSystem,
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name: &str,
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referrer: &ModuleSpecifier,
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) -> Result<PathBuf, PackageFolderResolveError> {
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let maybe_referrer_file = specifier_to_file_path(referrer).ok();
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let maybe_start_folder =
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maybe_referrer_file.as_ref().and_then(|f| f.parent());
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if let Some(start_folder) = maybe_start_folder {
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for current_folder in start_folder.ancestors() {
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let node_modules_folder = if current_folder.ends_with("node_modules")
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{
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Cow::Borrowed(current_folder)
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} else {
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Cow::Owned(current_folder.join("node_modules"))
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};
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let sub_dir = join_package_name(&node_modules_folder, name);
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if fs.is_dir_sync(&sub_dir) {
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return Ok(sub_dir);
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}
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}
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}
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Err(
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PackageFolderResolveErrorKind::NotFoundPackage {
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package_name: name.to_string(),
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referrer: referrer.clone(),
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referrer_extra: None,
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}
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.into(),
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)
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}
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let path = inner(&*self.fs, name, referrer)?;
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self.fs.realpath_sync(&path).map_err(|err| {
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PackageFolderResolveErrorKind::Io {
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package_name: name.to_string(),
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referrer: referrer.clone(),
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source: err.into_io_error(),
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}
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.into()
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})
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}
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fn in_npm_package(&self, specifier: &ModuleSpecifier) -> bool {
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specifier.scheme() == "file"
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&& specifier
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.path()
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.to_ascii_lowercase()
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.contains("/node_modules/")
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}
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fn ensure_read_permission(
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&self,
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permissions: &mut dyn NodePermissions,
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path: &Path,
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) -> Result<(), AnyError> {
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if !path
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.components()
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.any(|c| c.as_os_str().to_ascii_lowercase() == "node_modules")
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{
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permissions.check_read(path)?;
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}
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Ok(())
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}
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}
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impl CliNpmResolver for ByonmCliNpmResolver {
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fn into_npm_resolver(self: Arc<Self>) -> Arc<dyn NpmResolver> {
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self
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}
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fn clone_snapshotted(&self) -> Arc<dyn CliNpmResolver> {
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Arc::new(Self {
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fs: self.fs.clone(),
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root_node_modules_dir: self.root_node_modules_dir.clone(),
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})
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}
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fn as_inner(&self) -> InnerCliNpmResolverRef {
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InnerCliNpmResolverRef::Byonm(self)
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}
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fn root_node_modules_path(&self) -> Option<&PathBuf> {
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self.root_node_modules_dir.as_ref()
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}
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fn resolve_pkg_folder_from_deno_module_req(
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&self,
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req: &PackageReq,
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referrer: &ModuleSpecifier,
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) -> Result<PathBuf, AnyError> {
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// resolve the pkg json and alias
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let (pkg_json, alias) =
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self.resolve_pkg_json_and_alias_for_req(req, referrer)?;
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// now try node resolution
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for ancestor in pkg_json.path.parent().unwrap().ancestors() {
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let node_modules_folder = ancestor.join("node_modules");
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let sub_dir = join_package_name(&node_modules_folder, &alias);
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if self.fs.is_dir_sync(&sub_dir) {
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return Ok(canonicalize_path_maybe_not_exists_with_fs(
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&sub_dir,
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self.fs.as_ref(),
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)?);
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}
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}
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bail!(
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concat!(
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"Could not find \"{}\" in a node_modules folder. ",
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"Deno expects the node_modules/ directory to be up to date. ",
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"Did you forget to run `npm install`?"
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),
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alias,
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);
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}
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fn check_state_hash(&self) -> Option<u64> {
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// it is very difficult to determine the check state hash for byonm
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// so we just return None to signify check caching is not supported
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None
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}
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}
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fn join_package_name(path: &Path, package_name: &str) -> PathBuf {
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let mut path = path.to_path_buf();
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// ensure backslashes are used on windows
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for part in package_name.split('/') {
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path = path.join(part);
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}
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path
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}
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