mirror of
https://github.com/denoland/deno.git
synced 2024-11-22 15:06:54 -05:00
418 lines
14 KiB
Rust
418 lines
14 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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#![deny(clippy::print_stderr)]
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#![deny(clippy::print_stdout)]
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use std::path::PathBuf;
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use std::sync::Arc;
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use boxed_error::Boxed;
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use deno_config::workspace::MappedResolution;
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use deno_config::workspace::MappedResolutionDiagnostic;
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use deno_config::workspace::MappedResolutionError;
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use deno_config::workspace::WorkspaceResolvePkgJsonFolderError;
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use deno_config::workspace::WorkspaceResolver;
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use deno_package_json::PackageJsonDepValue;
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use deno_package_json::PackageJsonDepValueParseError;
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use deno_semver::npm::NpmPackageReqReference;
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use fs::DenoResolverFs;
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use node_resolver::env::NodeResolverEnv;
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use node_resolver::errors::NodeResolveError;
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use node_resolver::errors::PackageSubpathResolveError;
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use node_resolver::InNpmPackageChecker;
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use node_resolver::NodeModuleKind;
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use node_resolver::NodeResolution;
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use node_resolver::NodeResolutionMode;
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use node_resolver::NodeResolver;
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use npm::MissingPackageNodeModulesFolderError;
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use npm::NodeModulesOutOfDateError;
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use npm::NpmReqResolver;
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use npm::ResolveIfForNpmPackageErrorKind;
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use npm::ResolvePkgFolderFromDenoReqError;
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use npm::ResolveReqWithSubPathErrorKind;
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use sloppy_imports::SloppyImportResolverFs;
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use sloppy_imports::SloppyImportsResolutionMode;
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use sloppy_imports::SloppyImportsResolver;
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use thiserror::Error;
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use url::Url;
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pub mod cjs;
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pub mod fs;
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pub mod npm;
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pub mod sloppy_imports;
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#[derive(Debug, Clone)]
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pub struct DenoResolution {
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pub url: Url,
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pub maybe_diagnostic: Option<Box<MappedResolutionDiagnostic>>,
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pub found_package_json_dep: bool,
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}
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#[derive(Debug, Boxed)]
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pub struct DenoResolveError(pub Box<DenoResolveErrorKind>);
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#[derive(Debug, Error)]
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pub enum DenoResolveErrorKind {
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#[error("Importing from the vendor directory is not permitted. Use a remote specifier instead or disable vendoring.")]
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InvalidVendorFolderImport,
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#[error(transparent)]
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MappedResolution(#[from] MappedResolutionError),
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#[error(transparent)]
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MissingPackageNodeModulesFolder(#[from] MissingPackageNodeModulesFolderError),
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#[error(transparent)]
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Node(#[from] NodeResolveError),
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#[error(transparent)]
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NodeModulesOutOfDate(#[from] NodeModulesOutOfDateError),
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#[error(transparent)]
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PackageJsonDepValueParse(#[from] PackageJsonDepValueParseError),
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#[error(transparent)]
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PackageJsonDepValueUrlParse(url::ParseError),
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#[error(transparent)]
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PackageSubpathResolve(#[from] PackageSubpathResolveError),
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#[error(transparent)]
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ResolvePkgFolderFromDenoReq(#[from] ResolvePkgFolderFromDenoReqError),
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#[error(transparent)]
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WorkspaceResolvePkgJsonFolder(#[from] WorkspaceResolvePkgJsonFolderError),
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}
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#[derive(Debug)]
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pub struct NodeAndNpmReqResolver<
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Fs: DenoResolverFs,
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TNodeResolverEnv: NodeResolverEnv,
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> {
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pub node_resolver: Arc<NodeResolver<TNodeResolverEnv>>,
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pub npm_req_resolver: Arc<NpmReqResolver<Fs, TNodeResolverEnv>>,
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}
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pub struct DenoResolverOptions<
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'a,
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Fs: DenoResolverFs,
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TNodeResolverEnv: NodeResolverEnv,
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TSloppyImportResolverFs: SloppyImportResolverFs,
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> {
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pub in_npm_pkg_checker: Arc<dyn InNpmPackageChecker>,
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pub node_and_req_resolver:
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Option<NodeAndNpmReqResolver<Fs, TNodeResolverEnv>>,
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pub sloppy_imports_resolver:
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Option<Arc<SloppyImportsResolver<TSloppyImportResolverFs>>>,
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pub workspace_resolver: Arc<WorkspaceResolver>,
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/// Whether "bring your own node_modules" is enabled where Deno does not
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/// setup the node_modules directories automatically, but instead uses
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/// what already exists on the file system.
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pub is_byonm: bool,
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pub maybe_vendor_dir: Option<&'a PathBuf>,
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}
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/// A resolver that takes care of resolution, taking into account loaded
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/// import map, JSX settings.
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#[derive(Debug)]
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pub struct DenoResolver<
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Fs: DenoResolverFs,
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TNodeResolverEnv: NodeResolverEnv,
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TSloppyImportResolverFs: SloppyImportResolverFs,
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> {
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in_npm_pkg_checker: Arc<dyn InNpmPackageChecker>,
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node_and_npm_resolver: Option<NodeAndNpmReqResolver<Fs, TNodeResolverEnv>>,
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sloppy_imports_resolver:
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Option<Arc<SloppyImportsResolver<TSloppyImportResolverFs>>>,
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workspace_resolver: Arc<WorkspaceResolver>,
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is_byonm: bool,
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maybe_vendor_specifier: Option<Url>,
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}
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impl<
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Fs: DenoResolverFs,
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TNodeResolverEnv: NodeResolverEnv,
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TSloppyImportResolverFs: SloppyImportResolverFs,
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> DenoResolver<Fs, TNodeResolverEnv, TSloppyImportResolverFs>
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{
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pub fn new(
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options: DenoResolverOptions<Fs, TNodeResolverEnv, TSloppyImportResolverFs>,
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) -> Self {
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Self {
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in_npm_pkg_checker: options.in_npm_pkg_checker,
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node_and_npm_resolver: options.node_and_req_resolver,
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sloppy_imports_resolver: options.sloppy_imports_resolver,
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workspace_resolver: options.workspace_resolver,
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is_byonm: options.is_byonm,
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maybe_vendor_specifier: options
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.maybe_vendor_dir
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.and_then(|v| deno_path_util::url_from_directory_path(v).ok()),
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}
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}
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pub fn resolve(
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&self,
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raw_specifier: &str,
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referrer: &Url,
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referrer_kind: NodeModuleKind,
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mode: NodeResolutionMode,
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) -> Result<DenoResolution, DenoResolveError> {
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let mut found_package_json_dep = false;
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let mut maybe_diagnostic = None;
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// Use node resolution if we're in an npm package
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if let Some(node_and_npm_resolver) = self.node_and_npm_resolver.as_ref() {
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let node_resolver = &node_and_npm_resolver.node_resolver;
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if referrer.scheme() == "file"
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&& self.in_npm_pkg_checker.in_npm_package(referrer)
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{
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return node_resolver
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.resolve(raw_specifier, referrer, referrer_kind, mode)
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.map(|res| DenoResolution {
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url: res.into_url(),
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found_package_json_dep,
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maybe_diagnostic,
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})
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.map_err(|e| e.into());
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}
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}
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// Attempt to resolve with the workspace resolver
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let result: Result<_, DenoResolveError> = self
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.workspace_resolver
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.resolve(raw_specifier, referrer)
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.map_err(|err| err.into());
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let result = match result {
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Ok(resolution) => match resolution {
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MappedResolution::Normal {
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specifier,
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maybe_diagnostic: current_diagnostic,
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}
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| MappedResolution::ImportMap {
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specifier,
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maybe_diagnostic: current_diagnostic,
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} => {
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maybe_diagnostic = current_diagnostic;
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// do sloppy imports resolution if enabled
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if let Some(sloppy_imports_resolver) = &self.sloppy_imports_resolver {
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Ok(
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sloppy_imports_resolver
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.resolve(
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&specifier,
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match mode {
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NodeResolutionMode::Execution => {
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SloppyImportsResolutionMode::Execution
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}
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NodeResolutionMode::Types => {
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SloppyImportsResolutionMode::Types
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}
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},
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)
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.map(|s| s.into_specifier())
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.unwrap_or(specifier),
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)
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} else {
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Ok(specifier)
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}
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}
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MappedResolution::WorkspaceJsrPackage { specifier, .. } => {
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Ok(specifier)
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}
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MappedResolution::WorkspaceNpmPackage {
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target_pkg_json: pkg_json,
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sub_path,
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..
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} => self
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.node_and_npm_resolver
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.as_ref()
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.unwrap()
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.node_resolver
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.resolve_package_subpath_from_deno_module(
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pkg_json.dir_path(),
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sub_path.as_deref(),
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Some(referrer),
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referrer_kind,
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mode,
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)
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.map_err(|e| e.into()),
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MappedResolution::PackageJson {
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dep_result,
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alias,
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sub_path,
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..
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} => {
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// found a specifier in the package.json, so mark that
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// we need to do an "npm install" later
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found_package_json_dep = true;
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dep_result
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.as_ref()
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.map_err(|e| {
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DenoResolveErrorKind::PackageJsonDepValueParse(e.clone())
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.into_box()
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})
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.and_then(|dep| match dep {
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// todo(dsherret): it seems bad that we're converting this
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// to a url because the req might not be a valid url.
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PackageJsonDepValue::Req(req) => Url::parse(&format!(
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"npm:{}{}",
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req,
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sub_path.map(|s| format!("/{}", s)).unwrap_or_default()
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))
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.map_err(|e| {
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DenoResolveErrorKind::PackageJsonDepValueUrlParse(e).into_box()
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}),
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PackageJsonDepValue::Workspace(version_req) => self
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.workspace_resolver
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.resolve_workspace_pkg_json_folder_for_pkg_json_dep(
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alias,
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version_req,
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)
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.map_err(|e| {
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DenoResolveErrorKind::WorkspaceResolvePkgJsonFolder(e)
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.into_box()
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})
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.and_then(|pkg_folder| {
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self
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.node_and_npm_resolver
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.as_ref()
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.unwrap()
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.node_resolver
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.resolve_package_subpath_from_deno_module(
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pkg_folder,
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sub_path.as_deref(),
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Some(referrer),
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referrer_kind,
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mode,
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)
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.map_err(|e| {
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DenoResolveErrorKind::PackageSubpathResolve(e).into_box()
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})
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}),
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})
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}
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},
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Err(err) => Err(err),
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};
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// When the user is vendoring, don't allow them to import directly from the vendor/ directory
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// as it might cause them confusion or duplicate dependencies. Additionally, this folder has
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// special treatment in the language server so it will definitely cause issues/confusion there
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// if they do this.
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if let Some(vendor_specifier) = &self.maybe_vendor_specifier {
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if let Ok(specifier) = &result {
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if specifier.as_str().starts_with(vendor_specifier.as_str()) {
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return Err(
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DenoResolveErrorKind::InvalidVendorFolderImport.into_box(),
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);
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}
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}
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}
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let Some(NodeAndNpmReqResolver {
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node_resolver,
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npm_req_resolver,
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}) = &self.node_and_npm_resolver
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else {
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return Ok(DenoResolution {
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url: result?,
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maybe_diagnostic,
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found_package_json_dep,
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});
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};
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match result {
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Ok(specifier) => {
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if let Ok(npm_req_ref) =
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NpmPackageReqReference::from_specifier(&specifier)
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{
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// check if the npm specifier resolves to a workspace member
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if let Some(pkg_folder) = self
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.workspace_resolver
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.resolve_workspace_pkg_json_folder_for_npm_specifier(
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npm_req_ref.req(),
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)
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{
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return node_resolver
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.resolve_package_subpath_from_deno_module(
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pkg_folder,
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npm_req_ref.sub_path(),
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Some(referrer),
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referrer_kind,
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mode,
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)
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.map(|url| DenoResolution {
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url,
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maybe_diagnostic,
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found_package_json_dep,
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})
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.map_err(|e| e.into());
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}
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// do npm resolution for byonm
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if self.is_byonm {
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return npm_req_resolver
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.resolve_req_reference(
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&npm_req_ref,
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referrer,
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referrer_kind,
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mode,
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)
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.map(|url| DenoResolution {
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url,
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maybe_diagnostic,
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found_package_json_dep,
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})
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.map_err(|err| {
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match err.into_kind() {
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ResolveReqWithSubPathErrorKind::MissingPackageNodeModulesFolder(
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err,
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) => err.into(),
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ResolveReqWithSubPathErrorKind::ResolvePkgFolderFromDenoReq(
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err,
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) => err.into(),
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ResolveReqWithSubPathErrorKind::PackageSubpathResolve(err) => {
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err.into()
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}
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}
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});
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}
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}
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Ok(DenoResolution {
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url: node_resolver
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.handle_if_in_node_modules(&specifier)
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.unwrap_or(specifier),
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maybe_diagnostic,
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found_package_json_dep,
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})
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}
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Err(err) => {
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// If byonm, check if the bare specifier resolves to an npm package
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if self.is_byonm && referrer.scheme() == "file" {
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let maybe_resolution = npm_req_resolver
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.resolve_if_for_npm_pkg(
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raw_specifier,
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referrer,
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referrer_kind,
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mode,
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)
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.map_err(|e| match e.into_kind() {
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ResolveIfForNpmPackageErrorKind::NodeResolve(e) => {
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DenoResolveErrorKind::Node(e).into_box()
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}
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ResolveIfForNpmPackageErrorKind::NodeModulesOutOfDate(e) => {
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e.into()
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}
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})?;
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if let Some(res) = maybe_resolution {
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match res {
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NodeResolution::Module(url) => {
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return Ok(DenoResolution {
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url,
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maybe_diagnostic,
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found_package_json_dep,
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})
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}
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NodeResolution::BuiltIn(_) => {
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// don't resolve bare specifiers for built-in modules via node resolution
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}
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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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}
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