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fix(npm): reduce copy packages when resolving optional peer dependencies (#17280)

If an optional peer dependency entry previously wasn't resolved and it's
now being resolved, then it will add it as if it were a dependency of
the previously resolved package instead of creating a new "copy package"
(seems to be what npm and pnpm does).

Closes #17240
This commit is contained in:
David Sherret 2023-01-06 09:13:21 -05:00 committed by GitHub
parent c9b0d2709b
commit 3e72241fda
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@ -770,6 +770,17 @@ impl<'a, TNpmRegistryApi: NpmRegistryApi>
return Ok(None); // do nothing, there's already an existing child dep id for this
}
// handle optional dependency that's never been set
if existing_dep_id.is_none() && peer_dep.kind.is_optional() {
self.set_previously_unresolved_optional_dependency(
&peer_dep_id,
parent_id,
peer_dep,
visited_ancestor_versions,
);
return Ok(None);
}
let parents =
self.graph.borrow_node(ancestor_node_id).parents.clone();
return Ok(Some(self.set_new_peer_dep(
@ -792,6 +803,17 @@ impl<'a, TNpmRegistryApi: NpmRegistryApi>
return Ok(None); // do nothing, there's already an existing child dep id for this
}
// handle optional dependency that's never been set
if existing_dep_id.is_none() && peer_dep.kind.is_optional() {
self.set_previously_unresolved_optional_dependency(
&child_id,
parent_id,
peer_dep,
visited_ancestor_versions,
);
return Ok(None);
}
let specifier = path.specifier.to_string();
let path = path.pop().unwrap(); // go back down one level from the package requirement
let old_id =
@ -826,6 +848,26 @@ impl<'a, TNpmRegistryApi: NpmRegistryApi>
Ok(None)
}
/// Optional peer dependencies that have never been set before are
/// simply added to the existing peer dependency instead of affecting
/// the entire sub tree.
fn set_previously_unresolved_optional_dependency(
&mut self,
peer_dep_id: &NpmPackageId,
parent_id: &NpmPackageId,
peer_dep: &NpmDependencyEntry,
visited_ancestor_versions: &Arc<VisitedVersionsPath>,
) {
let (_, node) = self.graph.get_or_create_for_id(peer_dep_id);
self.graph.set_child_parent(
&peer_dep.bare_specifier,
&node,
&NodeParent::Node(parent_id.clone()),
);
self
.try_add_pending_unresolved_node(Some(visited_ancestor_versions), &node);
}
fn set_new_peer_dep(
&mut self,
previous_parents: BTreeMap<String, BTreeSet<NodeParent>>,
@ -1567,34 +1609,22 @@ mod test {
packages,
vec![
NpmResolutionPackage {
id: NpmPackageId::from_serialized(
"package-a@1.0.0_package-peer@4.0.0"
)
.unwrap(),
id: NpmPackageId::from_serialized("package-a@1.0.0").unwrap(),
copy_index: 0,
dependencies: HashMap::from([
(
"package-b".to_string(),
NpmPackageId::from_serialized(
"package-b@2.0.0_package-peer@4.0.0"
)
.unwrap(),
NpmPackageId::from_serialized("package-b@2.0.0").unwrap(),
),
(
"package-c".to_string(),
NpmPackageId::from_serialized(
"package-c@3.0.0_package-peer@4.0.0"
)
.unwrap(),
NpmPackageId::from_serialized("package-c@3.0.0").unwrap(),
),
]),
dist: Default::default(),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized(
"package-b@2.0.0_package-peer@4.0.0"
)
.unwrap(),
id: NpmPackageId::from_serialized("package-b@2.0.0").unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::from([(
@ -1603,10 +1633,7 @@ mod test {
)])
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized(
"package-c@3.0.0_package-peer@4.0.0"
)
.unwrap(),
id: NpmPackageId::from_serialized("package-c@3.0.0").unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::from([(
@ -1625,10 +1652,7 @@ mod test {
assert_eq!(
package_reqs,
vec![
(
"package-a@1".to_string(),
"package-a@1.0.0_package-peer@4.0.0".to_string()
),
("package-a@1".to_string(), "package-a@1.0.0".to_string()),
(
"package-peer@4.0.0".to_string(),
"package-peer@4.0.0".to_string()
@ -1637,6 +1661,280 @@ mod test {
);
}
#[tokio::test]
async fn resolve_optional_peer_first_not_resolved_second_resolved_scenario1()
{
// When resolving a dependency a second time and it has an optional
// peer dependency that wasn't previously resolved, it should resolve all the
// previous versions to the new one
let api = TestNpmRegistryApi::default();
api.ensure_package_version("package-a", "1.0.0");
api.ensure_package_version("package-b", "1.0.0");
api.ensure_package_version("package-peer", "1.0.0");
api.add_dependency(("package-a", "1.0.0"), ("package-b", "^1"));
api.add_dependency(("package-a", "1.0.0"), ("package-peer", "^1"));
api.add_optional_peer_dependency(
("package-b", "1.0.0"),
("package-peer", "*"),
);
let (packages, package_reqs) = run_resolver_and_get_output(
api,
vec!["npm:package-a@1", "npm:package-b@1"],
)
.await;
assert_eq!(
packages,
vec![
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-a@1.0.0").unwrap(),
copy_index: 0,
dependencies: HashMap::from([
(
"package-b".to_string(),
NpmPackageId::from_serialized("package-b@1.0.0").unwrap(),
),
(
"package-peer".to_string(),
NpmPackageId::from_serialized("package-peer@1.0.0").unwrap(),
),
]),
dist: Default::default(),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-b@1.0.0").unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::from([(
"package-peer".to_string(),
NpmPackageId::from_serialized("package-peer@1.0.0").unwrap(),
)]),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-peer@1.0.0").unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::new(),
},
]
);
assert_eq!(
package_reqs,
vec![
("package-a@1".to_string(), "package-a@1.0.0".to_string()),
("package-b@1".to_string(), "package-b@1.0.0".to_string())
]
);
}
#[tokio::test]
async fn resolve_optional_peer_first_not_resolved_second_resolved_scenario2()
{
let api = TestNpmRegistryApi::default();
api.ensure_package_version("package-a", "1.0.0");
api.ensure_package_version("package-b", "1.0.0");
api.ensure_package_version("package-peer", "2.0.0");
api.add_optional_peer_dependency(
("package-a", "1.0.0"),
("package-peer", "*"),
);
api.add_dependency(("package-b", "1.0.0"), ("package-a", "1.0.0"));
api.add_dependency(("package-b", "1.0.0"), ("package-peer", "2.0.0"));
let (packages, package_reqs) = run_resolver_and_get_output(
api,
vec!["npm:package-a@1", "npm:package-b@1"],
)
.await;
assert_eq!(
packages,
vec![
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-a@1.0.0").unwrap(),
copy_index: 0,
dependencies: HashMap::from([(
"package-peer".to_string(),
NpmPackageId::from_serialized("package-peer@2.0.0").unwrap(),
)]),
dist: Default::default(),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-b@1.0.0").unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::from([
(
"package-a".to_string(),
NpmPackageId::from_serialized("package-a@1.0.0").unwrap(),
),
(
"package-peer".to_string(),
NpmPackageId::from_serialized("package-peer@2.0.0").unwrap(),
)
]),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-peer@2.0.0").unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::new(),
},
]
);
assert_eq!(
package_reqs,
vec![
("package-a@1".to_string(), "package-a@1.0.0".to_string()),
("package-b@1".to_string(), "package-b@1.0.0".to_string())
]
);
}
#[tokio::test]
async fn resolve_optional_dep_npm_req_top() {
let api = TestNpmRegistryApi::default();
api.ensure_package_version("package-a", "1.0.0");
api.ensure_package_version("package-peer", "1.0.0");
api.add_optional_peer_dependency(
("package-a", "1.0.0"),
("package-peer", "*"),
);
let (packages, package_reqs) = run_resolver_and_get_output(
api,
vec!["npm:package-a@1", "npm:package-peer@1"],
)
.await;
assert_eq!(
packages,
vec![
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-a@1.0.0").unwrap(),
copy_index: 0,
dependencies: HashMap::from([(
"package-peer".to_string(),
NpmPackageId::from_serialized("package-peer@1.0.0").unwrap(),
)]),
dist: Default::default(),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-peer@1.0.0").unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::new(),
},
]
);
assert_eq!(
package_reqs,
vec![
("package-a@1".to_string(), "package-a@1.0.0".to_string()),
(
"package-peer@1".to_string(),
"package-peer@1.0.0".to_string()
)
]
);
}
#[tokio::test]
async fn resolve_optional_dep_different_resolution_second_time() {
let api = TestNpmRegistryApi::default();
api.ensure_package_version("package-a", "1.0.0");
api.ensure_package_version("package-b", "1.0.0");
api.ensure_package_version("package-peer", "1.0.0");
api.ensure_package_version("package-peer", "2.0.0");
api.add_optional_peer_dependency(
("package-a", "1.0.0"),
("package-peer", "*"),
);
api.add_dependency(("package-b", "1.0.0"), ("package-a", "1.0.0"));
api.add_dependency(("package-b", "1.0.0"), ("package-peer", "2.0.0"));
let (packages, package_reqs) = run_resolver_and_get_output(
api,
vec![
"npm:package-a@1",
"npm:package-b@1",
"npm:package-peer@1.0.0",
],
)
.await;
assert_eq!(
packages,
vec![
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-a@1.0.0").unwrap(),
copy_index: 0,
dependencies: HashMap::from([(
"package-peer".to_string(),
NpmPackageId::from_serialized("package-peer@1.0.0").unwrap(),
)]),
dist: Default::default(),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized(
"package-a@1.0.0_package-peer@2.0.0"
)
.unwrap(),
copy_index: 1,
dependencies: HashMap::from([(
"package-peer".to_string(),
NpmPackageId::from_serialized("package-peer@2.0.0").unwrap(),
)]),
dist: Default::default(),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized(
"package-b@1.0.0_package-peer@2.0.0"
)
.unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::from([
(
"package-peer".to_string(),
NpmPackageId::from_serialized("package-peer@2.0.0").unwrap(),
),
(
"package-a".to_string(),
NpmPackageId::from_serialized(
"package-a@1.0.0_package-peer@2.0.0"
)
.unwrap(),
),
]),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-peer@1.0.0").unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::new(),
},
NpmResolutionPackage {
id: NpmPackageId::from_serialized("package-peer@2.0.0").unwrap(),
copy_index: 0,
dist: Default::default(),
dependencies: HashMap::new(),
},
]
);
assert_eq!(
package_reqs,
vec![
("package-a@1".to_string(), "package-a@1.0.0".to_string()),
(
"package-b@1".to_string(),
"package-b@1.0.0_package-peer@2.0.0".to_string()
),
(
"package-peer@1.0.0".to_string(),
"package-peer@1.0.0".to_string()
)
]
);
}
#[tokio::test]
async fn resolve_nested_peer_deps_auto_resolved() {
let api = TestNpmRegistryApi::default();