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denoland-deno/cli/args/package_json.rs
David Sherret 147411e64b
feat: npm workspace and better Deno workspace support (#24334)
Adds much better support for the unstable Deno workspaces as well as
support for npm workspaces. npm workspaces is still lacking in that we
only install packages into the root node_modules folder. We'll make it
smarter over time in order for it to figure out when to add node_modules
folders within packages.

This includes a breaking change in config file resolution where we stop
searching for config files on the first found package.json unless it's
in a workspace. For the previous behaviour, the root deno.json needs to
be updated to be a workspace by adding `"workspace":
["./path-to-pkg-json-folder-goes-here"]`. See details in
https://github.com/denoland/deno_config/pull/66

Closes #24340
Closes #24159
Closes #24161
Closes #22020
Closes #18546
Closes #16106
Closes #24160
2024-07-04 00:54:33 +00:00

87 lines
2.5 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use std::path::PathBuf;
use std::sync::Arc;
use deno_config::package_json::PackageJsonDepValue;
use deno_config::workspace::Workspace;
use deno_semver::package::PackageReq;
#[derive(Debug)]
pub struct InstallNpmWorkspacePkg {
pub alias: String,
pub pkg_dir: PathBuf,
}
// todo(#24419): this is not correct, but it's good enough for now.
// We need deno_npm to be able to understand workspace packages and
// then have a way to properly lay them out on the file system
#[derive(Debug, Default)]
pub struct PackageJsonInstallDepsProvider {
remote_pkg_reqs: Vec<PackageReq>,
workspace_pkgs: Vec<InstallNpmWorkspacePkg>,
}
impl PackageJsonInstallDepsProvider {
pub fn empty() -> Self {
Self::default()
}
pub fn from_workspace(workspace: &Arc<Workspace>) -> Self {
let mut workspace_pkgs = Vec::new();
let mut remote_pkg_reqs = Vec::new();
let workspace_npm_pkgs = workspace.npm_packages();
for pkg_json in workspace.package_jsons() {
let deps = pkg_json.resolve_local_package_json_deps();
let mut pkg_reqs = Vec::with_capacity(deps.len());
for (alias, dep) in deps {
let Ok(dep) = dep else {
continue;
};
match dep {
PackageJsonDepValue::Req(pkg_req) => {
if let Some(pkg) = workspace_npm_pkgs
.iter()
.find(|pkg| pkg.matches_req(&pkg_req))
{
workspace_pkgs.push(InstallNpmWorkspacePkg {
alias,
pkg_dir: pkg.pkg_json.dir_path().to_path_buf(),
});
} else {
pkg_reqs.push(pkg_req)
}
}
PackageJsonDepValue::Workspace(version_req) => {
if let Some(pkg) = workspace_npm_pkgs.iter().find(|pkg| {
pkg.matches_name_and_version_req(&alias, &version_req)
}) {
workspace_pkgs.push(InstallNpmWorkspacePkg {
alias,
pkg_dir: pkg.pkg_json.dir_path().to_path_buf(),
});
}
}
}
}
// sort within each package
pkg_reqs.sort();
remote_pkg_reqs.extend(pkg_reqs);
}
remote_pkg_reqs.shrink_to_fit();
workspace_pkgs.shrink_to_fit();
Self {
remote_pkg_reqs,
workspace_pkgs,
}
}
pub fn remote_pkg_reqs(&self) -> &Vec<PackageReq> {
&self.remote_pkg_reqs
}
pub fn workspace_pkgs(&self) -> &Vec<InstallNpmWorkspacePkg> {
&self.workspace_pkgs
}
}