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use {
super::{basic_semver::BasicSemver, semver_range::SemverRange},
crate::specifier::regexes::NAME_WITHIN_NPM_ALIAS,
log::debug,
};
#[derive(Clone, Debug, Hash, Eq, PartialEq)]
pub struct Alias {
/// The exact version specifier as it was provided
pub raw: String,
/// The name of the dependency being aliased, for example:
///
/// - "npm:foo" → "foo"
/// - "npm:foo@1.2.3" → "foo"
/// - "npm:@foo/bar@1.2.3" → "@foo/bar"
pub name: String,
/// The version of the dependency being aliased if set, for example:
///
/// - "npm:foo" → None
/// - "npm:foo@1.2.3" → Some("1.2.3")
/// - "npm:@foo/bar@1.2.3" → Some("1.2.3")
pub semver: Option<BasicSemver>,
}
impl Alias {
pub fn with_range(self, range: &SemverRange) -> Self {
if let Some(semver) = self.semver {
let semver = semver.with_range(range);
Self {
raw: format!("npm:{}@{}", self.name, semver.raw),
name: self.name,
semver: Some(semver),
}
} else {
debug!("Cannot apply semver range '{:?}' to specifier '{}'", range, self.raw);
self
}
}
pub fn with_semver(self, semver: &BasicSemver) -> Self {
Self {
raw: format!("npm:{}@{}", self.name, semver.raw),
name: self.name,
semver: Some(semver.clone()),
}
}
/// Match a package name inside an npm alias specifier
/// "npm:@lit-labs/ssr@3.3.0" -> "@lit-labs/ssr"
/// "npm:@jsr/luca__cases@1" -> "@jsr/luca__cases"
/// "npm:@jsr/std__fmt@^1.0.3" -> "@jsr/std__fmt"
/// "npm:@jsr/std__yaml" -> "@jsr/std__yaml"
/// "npm:lit@3.2.1" -> "lit"
pub fn extract_package_name(&self) -> Option<String> {
NAME_WITHIN_NPM_ALIAS
.captures(&self.raw)
.and_then(|caps| caps.get(1))
.map(|m| m.as_str().to_string())
}
}