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Better return type for download_index (#5086)

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Laurenz 2024-10-01 15:35:02 +02:00 committed by GitHub
parent 3ec5d442d7
commit ae7787c820
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1 changed files with 14 additions and 12 deletions
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12
crates/typst-kit/src/package.rs
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@ -128,19 +128,21 @@ impl PackageStorage {
} }
/// Download the package index. The result of this is cached for efficiency. /// Download the package index. The result of this is cached for efficiency.
pub fn download_index(&self) -> StrResult<&Vec<PackageInfo>> { pub fn download_index(&self) -> StrResult<&[PackageInfo]> {
self.index.get_or_try_init(|| { self.index
.get_or_try_init(|| {
let url = format!("{DEFAULT_REGISTRY}/preview/index.json"); let url = format!("{DEFAULT_REGISTRY}/preview/index.json");
match self.downloader.download(&url) { match self.downloader.download(&url) {
Ok(response) => response Ok(response) => response.into_json().map_err(|err| {
.into_json() eco_format!("failed to parse package index: {err}")
.map_err(|err| eco_format!("failed to parse package index: {err}")), }),
Err(ureq::Error::Status(404, _)) => { Err(ureq::Error::Status(404, _)) => {
bail!("failed to fetch package index (not found)") bail!("failed to fetch package index (not found)")
} }
Err(err) => bail!("failed to fetch package index ({err})"), Err(err) => bail!("failed to fetch package index ({err})"),
} }
}) })
.map(AsRef::as_ref)
} }
/// Download a package over the network. /// Download a package over the network.