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
|
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use std::collections::HashMap;
use std::sync::Arc;
use deno_core::anyhow::anyhow;
use deno_core::error::AnyError;
use deno_core::parking_lot::Mutex;
use deno_core::serde_json;
use deno_core::url::Url;
use deno_npm::registry::NpmPackageInfo;
use deno_runtime::permissions::PermissionsContainer;
use serde::Deserialize;
use crate::file_fetcher::FileFetcher;
use crate::npm::CliNpmRegistryApi;
#[async_trait::async_trait]
pub trait NpmSearchApi {
async fn search(&self, query: &str) -> Result<Arc<Vec<String>>, AnyError>;
async fn package_info(
&self,
name: &str,
) -> Result<Arc<NpmPackageInfo>, AnyError>;
}
#[derive(Debug, Clone)]
pub struct CliNpmSearchApi {
base_url: Url,
file_fetcher: FileFetcher,
info_cache: Arc<Mutex<HashMap<String, Arc<NpmPackageInfo>>>>,
search_cache: Arc<Mutex<HashMap<String, Arc<Vec<String>>>>>,
}
impl CliNpmSearchApi {
pub fn new(file_fetcher: FileFetcher, custom_base_url: Option<Url>) -> Self {
Self {
base_url: custom_base_url
.unwrap_or_else(|| CliNpmRegistryApi::default_url().clone()),
file_fetcher,
info_cache: Default::default(),
search_cache: Default::default(),
}
}
}
#[async_trait::async_trait]
impl NpmSearchApi for CliNpmSearchApi {
async fn search(&self, query: &str) -> Result<Arc<Vec<String>>, AnyError> {
if let Some(names) = self.search_cache.lock().get(query) {
return Ok(names.clone());
}
let mut search_url = self.base_url.clone();
search_url
.path_segments_mut()
.map_err(|_| anyhow!("Custom npm registry URL cannot be a base."))?
.pop_if_empty()
.extend("-/v1/search".split('/'));
search_url
.query_pairs_mut()
.append_pair("text", &format!("{} boost-exact:false", query));
let file = self
.file_fetcher
.fetch(&search_url, PermissionsContainer::allow_all())
.await?;
let names = Arc::new(parse_npm_search_response(&file.source)?);
self
.search_cache
.lock()
.insert(query.to_string(), names.clone());
Ok(names)
}
async fn package_info(
&self,
name: &str,
) -> Result<Arc<NpmPackageInfo>, AnyError> {
if let Some(info) = self.info_cache.lock().get(name) {
return Ok(info.clone());
}
let mut info_url = self.base_url.clone();
info_url
.path_segments_mut()
.map_err(|_| anyhow!("Custom npm registry URL cannot be a base."))?
.pop_if_empty()
.push(name);
let file = self
.file_fetcher
.fetch(&info_url, PermissionsContainer::allow_all())
.await?;
let info = Arc::new(serde_json::from_str::<NpmPackageInfo>(&file.source)?);
self
.info_cache
.lock()
.insert(name.to_string(), info.clone());
Ok(info)
}
}
fn parse_npm_search_response(source: &str) -> Result<Vec<String>, AnyError> {
#[derive(Debug, Deserialize)]
struct Package {
name: String,
}
#[derive(Debug, Deserialize)]
struct Object {
package: Package,
}
#[derive(Debug, Deserialize)]
struct Response {
objects: Vec<Object>,
}
let objects = serde_json::from_str::<Response>(source)?.objects;
Ok(objects.into_iter().map(|o| o.package.name).collect())
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_parse_npm_search_response() {
// This is a subset of a realistic response only containing data currently
// used by our parser. It's enough to catch regressions.
let names = parse_npm_search_response(r#"{"objects":[{"package":{"name":"puppeteer"}},{"package":{"name":"puppeteer-core"}},{"package":{"name":"puppeteer-extra-plugin-stealth"}},{"package":{"name":"puppeteer-extra-plugin"}}]}"#).unwrap();
assert_eq!(
names,
vec![
"puppeteer".to_string(),
"puppeteer-core".to_string(),
"puppeteer-extra-plugin-stealth".to_string(),
"puppeteer-extra-plugin".to_string()
]
);
}
}
|
