-
-
Notifications
You must be signed in to change notification settings - Fork 51
/
npm.rs
161 lines (149 loc) · 5.19 KB
/
npm.rs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
use std::collections::HashMap;
use std::path::Path;
use async_std::sync::Arc;
use async_trait::async_trait;
use dashmap::DashMap;
use oro_client::{self, OroClient};
use oro_common::{CorgiPackument, CorgiVersionMetadata, Packument, VersionMetadata};
use oro_package_spec::PackageSpec;
use url::Url;
use crate::error::{NassunError, Result};
use crate::fetch::PackageFetcher;
use crate::package::Package;
use crate::resolver::PackageResolution;
#[derive(Debug)]
pub(crate) struct NpmFetcher {
client: OroClient,
registries: HashMap<Option<String>, Url>,
cache_packuments: bool,
packuments: DashMap<String, Arc<Packument>>,
corgi_packuments: DashMap<String, Arc<CorgiPackument>>,
}
impl NpmFetcher {
pub(crate) fn new(
client: OroClient,
registries: HashMap<Option<String>, Url>,
cache_packuments: bool,
) -> Self {
Self {
client,
registries,
packuments: DashMap::new(),
corgi_packuments: DashMap::new(),
cache_packuments,
}
}
}
impl NpmFetcher {
fn pick_registry(&self, scope: &Option<String>) -> Url {
self.registries
.get(scope)
.or_else(|| self.registries.get(&None))
.cloned()
.unwrap_or_else(|| "https://registry.npmjs.org/".parse().unwrap())
}
}
impl NpmFetcher {
fn _name<'a>(&'a self, spec: &'a PackageSpec) -> &'a str {
match spec {
PackageSpec::Npm { ref name, .. } | PackageSpec::Alias { ref name, .. } => name,
_ => unreachable!(),
}
}
}
#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
impl PackageFetcher for NpmFetcher {
async fn name(&self, spec: &PackageSpec, _base_dir: &Path) -> Result<String> {
Ok(self._name(spec).to_string())
}
async fn corgi_metadata(&self, pkg: &Package) -> Result<CorgiVersionMetadata> {
let wanted = match pkg.resolved() {
PackageResolution::Npm { ref version, .. } => version,
_ => unreachable!(),
};
let packument = self.corgi_packument(pkg.from(), Path::new("")).await?;
packument
.versions
.get(wanted)
.cloned()
.ok_or_else(|| NassunError::MissingVersion(pkg.from().clone(), wanted.clone()))
}
async fn metadata(&self, pkg: &Package) -> Result<VersionMetadata> {
let wanted = match pkg.resolved() {
PackageResolution::Npm { ref version, .. } => version,
_ => unreachable!(),
};
let packument = self.packument(pkg.from(), Path::new("")).await?;
packument
.versions
.get(wanted)
.cloned()
.ok_or_else(|| NassunError::MissingVersion(pkg.from().clone(), wanted.clone()))
}
async fn corgi_packument(
&self,
spec: &PackageSpec,
_base_dir: &Path,
) -> Result<Arc<CorgiPackument>> {
// When fetching the packument itself, we need the _package_ name, not
// its alias! Hence these shenanigans.
if let PackageSpec::Npm {
ref name,
ref scope,
..
} = spec.target()
{
if let Some(packument) = self.corgi_packuments.get(name) {
if self.cache_packuments {
return Ok(packument.value().clone());
}
}
let client = self.client.with_registry(self.pick_registry(scope));
let packument = Arc::new(client.corgi_packument(&name).await?);
if self.cache_packuments {
self.corgi_packuments
.insert(name.clone(), packument.clone());
}
Ok(packument)
} else {
unreachable!("How did a non-Npm resolution get here?");
}
}
async fn packument(&self, spec: &PackageSpec, _base_dir: &Path) -> Result<Arc<Packument>> {
// When fetching the packument itself, we need the _package_ name, not
// its alias! Hence these shenanigans.
let pkg = match spec {
PackageSpec::Alias { ref spec, .. } => spec,
pkg @ PackageSpec::Npm { .. } => pkg,
_ => unreachable!(),
};
if let PackageSpec::Npm {
ref name,
ref scope,
..
} = pkg
{
if let Some(packument) = self.packuments.get(name) {
if self.cache_packuments {
return Ok(packument.value().clone());
}
}
let client = self.client.with_registry(self.pick_registry(scope));
let packument = Arc::new(client.packument(&name).await?);
if self.cache_packuments {
self.packuments.insert(name.clone(), packument.clone());
}
Ok(packument)
} else {
unreachable!()
}
}
async fn tarball(&self, pkg: &Package) -> Result<crate::TarballStream> {
let url = match pkg.resolved() {
PackageResolution::Npm { ref tarball, .. } => tarball,
_ => panic!("How did a non-Npm resolution get here?"),
};
Ok(self.client.stream_external(url).await?)
}
}