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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use crate::args::jsr_api_url;
use crate::file_fetcher::FileFetcher;
use crate::jsr::JsrFetchResolver;
use dashmap::DashMap;
use deno_core::anyhow::anyhow;
use deno_core::error::AnyError;
use deno_core::serde_json;
use deno_runtime::permissions::PermissionsContainer;
use deno_semver::package::PackageNv;
use deno_semver::Version;
use serde::Deserialize;
use std::sync::Arc;
use super::search::PackageSearchApi;
#[derive(Debug)]
pub struct CliJsrSearchApi {
file_fetcher: FileFetcher,
resolver: JsrFetchResolver,
search_cache: DashMap<String, Arc<Vec<String>>>,
versions_cache: DashMap<String, Arc<Vec<Version>>>,
exports_cache: DashMap<PackageNv, Arc<Vec<String>>>,
}
impl CliJsrSearchApi {
pub fn new(file_fetcher: FileFetcher) -> Self {
let resolver = JsrFetchResolver::new(file_fetcher.clone());
Self {
file_fetcher,
resolver,
search_cache: Default::default(),
versions_cache: Default::default(),
exports_cache: Default::default(),
}
}
pub fn get_resolver(&self) -> &JsrFetchResolver {
&self.resolver
}
}
#[async_trait::async_trait]
impl PackageSearchApi for CliJsrSearchApi {
async fn search(&self, query: &str) -> Result<Arc<Vec<String>>, AnyError> {
if let Some(names) = self.search_cache.get(query) {
return Ok(names.clone());
}
let mut search_url = jsr_api_url().join("packages")?;
search_url.query_pairs_mut().append_pair("query", query);
let file = self
.file_fetcher
.fetch(&search_url, &PermissionsContainer::allow_all())
.await?
.into_text_decoded()?;
let names = Arc::new(parse_jsr_search_response(&file.source)?);
self.search_cache.insert(query.to_string(), names.clone());
Ok(names)
}
async fn versions(&self, name: &str) -> Result<Arc<Vec<Version>>, AnyError> {
if let Some(versions) = self.versions_cache.get(name) {
return Ok(versions.clone());
}
let info = self
.resolver
.package_info(name)
.await
.ok_or_else(|| anyhow!("JSR package info not found: {}", name))?;
let mut versions = info.versions.keys().cloned().collect::<Vec<_>>();
versions.sort();
versions.reverse();
let versions = Arc::new(versions);
self
.versions_cache
.insert(name.to_string(), versions.clone());
Ok(versions)
}
async fn exports(
&self,
nv: &PackageNv,
) -> Result<Arc<Vec<String>>, AnyError> {
if let Some(exports) = self.exports_cache.get(nv) {
return Ok(exports.clone());
}
let info = self
.resolver
.package_version_info(nv)
.await
.ok_or_else(|| anyhow!("JSR package version info not found: {}", nv))?;
let mut exports = info
.exports()
.map(|(n, _)| n.to_string())
.collect::<Vec<_>>();
exports.sort();
let exports = Arc::new(exports);
self.exports_cache.insert(nv.clone(), exports.clone());
Ok(exports)
}
}
fn parse_jsr_search_response(source: &str) -> Result<Vec<String>, AnyError> {
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct Item {
scope: String,
name: String,
version_count: usize,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct Response {
items: Vec<Item>,
}
let items = serde_json::from_str::<Response>(source)?.items;
Ok(
items
.into_iter()
.filter(|i| i.version_count > 0)
.map(|i| format!("@{}/{}", i.scope, i.name))
.collect(),
)
}
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