mirror of
https://github.com/denoland/deno
synced 2024-08-27 12:00:17 +00:00
208 lines
6.2 KiB
Rust
208 lines
6.2 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
|
|
|
|
use std::collections::HashMap;
|
|
use std::path::Path;
|
|
use std::path::PathBuf;
|
|
|
|
use deno_core::anyhow::anyhow;
|
|
use deno_core::anyhow::bail;
|
|
use deno_core::error::AnyError;
|
|
use deno_graph::npm::NpmPackageReq;
|
|
use deno_graph::semver::VersionReq;
|
|
use deno_runtime::deno_node::PackageJson;
|
|
|
|
/// Gets the name and raw version constraint taking into account npm
|
|
/// package aliases.
|
|
pub fn parse_dep_entry_name_and_raw_version<'a>(
|
|
key: &'a str,
|
|
value: &'a str,
|
|
) -> Result<(&'a str, &'a str), AnyError> {
|
|
if let Some(package_and_version) = value.strip_prefix("npm:") {
|
|
if let Some((name, version)) = package_and_version.rsplit_once('@') {
|
|
Ok((name, version))
|
|
} else {
|
|
bail!("could not find @ symbol in npm url '{}'", value);
|
|
}
|
|
} else {
|
|
Ok((key, value))
|
|
}
|
|
}
|
|
|
|
/// Gets an application level package.json's npm package requirements.
|
|
///
|
|
/// Note that this function is not general purpose. It is specifically for
|
|
/// parsing the application level package.json that the user has control
|
|
/// over. This is a design limitation to allow mapping these dependency
|
|
/// entries to npm specifiers which can then be used in the resolver.
|
|
pub fn get_local_package_json_version_reqs(
|
|
package_json: &PackageJson,
|
|
) -> Result<HashMap<String, NpmPackageReq>, AnyError> {
|
|
fn insert_deps(
|
|
deps: Option<&HashMap<String, String>>,
|
|
result: &mut HashMap<String, NpmPackageReq>,
|
|
) -> Result<(), AnyError> {
|
|
if let Some(deps) = deps {
|
|
for (key, value) in deps {
|
|
let (name, version_req) =
|
|
parse_dep_entry_name_and_raw_version(key, value)?;
|
|
|
|
let version_req = {
|
|
let result = VersionReq::parse_from_specifier(version_req);
|
|
match result {
|
|
Ok(version_req) => version_req,
|
|
Err(e) => {
|
|
let err = anyhow!("{:#}", e).context(concat!(
|
|
"Parsing version constraints in the application-level ",
|
|
"package.json is more strict at the moment"
|
|
));
|
|
return Err(err);
|
|
}
|
|
}
|
|
};
|
|
result.insert(
|
|
key.to_string(),
|
|
NpmPackageReq {
|
|
name: name.to_string(),
|
|
version_req: Some(version_req),
|
|
},
|
|
);
|
|
}
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
let deps = package_json.dependencies.as_ref();
|
|
let dev_deps = package_json.dev_dependencies.as_ref();
|
|
let mut result = HashMap::with_capacity(
|
|
deps.map(|d| d.len()).unwrap_or(0) + dev_deps.map(|d| d.len()).unwrap_or(0),
|
|
);
|
|
|
|
// insert the dev dependencies first so the dependencies will
|
|
// take priority and overwrite any collisions
|
|
insert_deps(dev_deps, &mut result)?;
|
|
insert_deps(deps, &mut result)?;
|
|
|
|
Ok(result)
|
|
}
|
|
|
|
/// Attempts to discover the package.json file, maybe stopping when it
|
|
/// reaches the specified `maybe_stop_at` directory.
|
|
pub fn discover_from(
|
|
start: &Path,
|
|
maybe_stop_at: Option<PathBuf>,
|
|
) -> Result<Option<PackageJson>, AnyError> {
|
|
const PACKAGE_JSON_NAME: &str = "package.json";
|
|
|
|
// note: ancestors() includes the `start` path
|
|
for ancestor in start.ancestors() {
|
|
let path = ancestor.join(PACKAGE_JSON_NAME);
|
|
|
|
let source = match std::fs::read_to_string(&path) {
|
|
Ok(source) => source,
|
|
Err(err) if err.kind() == std::io::ErrorKind::NotFound => {
|
|
if let Some(stop_at) = maybe_stop_at.as_ref() {
|
|
if ancestor == stop_at {
|
|
break;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
Err(err) => bail!(
|
|
"Error loading package.json at {}. {:#}",
|
|
path.display(),
|
|
err
|
|
),
|
|
};
|
|
|
|
let package_json = PackageJson::load_from_string(path.clone(), source)?;
|
|
log::debug!("package.json file found at '{}'", path.display());
|
|
return Ok(Some(package_json));
|
|
}
|
|
|
|
log::debug!("No package.json file found");
|
|
Ok(None)
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod test {
|
|
use pretty_assertions::assert_eq;
|
|
use std::path::PathBuf;
|
|
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn test_parse_dep_entry_name_and_raw_version() {
|
|
let cases = [
|
|
("test", "^1.2", Ok(("test", "^1.2"))),
|
|
("test", "1.x - 2.6", Ok(("test", "1.x - 2.6"))),
|
|
("test", "npm:package@^1.2", Ok(("package", "^1.2"))),
|
|
(
|
|
"test",
|
|
"npm:package",
|
|
Err("could not find @ symbol in npm url 'npm:package'"),
|
|
),
|
|
];
|
|
for (key, value, expected_result) in cases {
|
|
let result = parse_dep_entry_name_and_raw_version(key, value);
|
|
match result {
|
|
Ok(result) => assert_eq!(result, expected_result.unwrap()),
|
|
Err(err) => assert_eq!(err.to_string(), expected_result.err().unwrap()),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_get_local_package_json_version_reqs() {
|
|
let mut package_json = PackageJson::empty(PathBuf::from("/package.json"));
|
|
package_json.dependencies = Some(HashMap::from([
|
|
("test".to_string(), "^1.2".to_string()),
|
|
("other".to_string(), "npm:package@~1.3".to_string()),
|
|
]));
|
|
package_json.dev_dependencies = Some(HashMap::from([
|
|
("package_b".to_string(), "~2.2".to_string()),
|
|
// should be ignored
|
|
("other".to_string(), "^3.2".to_string()),
|
|
]));
|
|
let result = get_local_package_json_version_reqs(&package_json).unwrap();
|
|
assert_eq!(
|
|
result,
|
|
HashMap::from([
|
|
(
|
|
"test".to_string(),
|
|
NpmPackageReq::from_str("test@^1.2").unwrap()
|
|
),
|
|
(
|
|
"other".to_string(),
|
|
NpmPackageReq::from_str("package@~1.3").unwrap()
|
|
),
|
|
(
|
|
"package_b".to_string(),
|
|
NpmPackageReq::from_str("package_b@~2.2").unwrap()
|
|
)
|
|
])
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_get_local_package_json_version_reqs_errors_non_npm_specifier() {
|
|
let mut package_json = PackageJson::empty(PathBuf::from("/package.json"));
|
|
package_json.dependencies = Some(HashMap::from([(
|
|
"test".to_string(),
|
|
"1.x - 1.3".to_string(),
|
|
)]));
|
|
let err = get_local_package_json_version_reqs(&package_json)
|
|
.err()
|
|
.unwrap();
|
|
assert_eq!(
|
|
format!("{err:#}"),
|
|
concat!(
|
|
"Parsing version constraints in the application-level ",
|
|
"package.json is more strict at the moment: Invalid npm specifier ",
|
|
"version requirement. Unexpected character.\n",
|
|
" - 1.3\n",
|
|
" ~"
|
|
)
|
|
);
|
|
}
|
|
}
|