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import fetch from "node-fetch";
const GITHUB_API_ENDPOINT_URL = "https://api.github.com";
export interface FetchLatestArtifactMetadataOpts {
repoName: string;
repoOwner: string;
artifactFileName: string;
}
export interface ArtifactMetadata {
releaseName: string;
releaseDate: Date;
downloadUrl: string;
}
export async function fetchLatestArtifactMetadata(
opts: FetchLatestArtifactMetadataOpts
): Promise<ArtifactMetadata | null> {
const repoOwner = encodeURIComponent(opts.repoOwner);
const repoName = encodeURIComponent(opts.repoName);
const apiEndpointPath = `/repos/${repoOwner}/${repoName}/releases/latest`;
const requestUrl = GITHUB_API_ENDPOINT_URL + apiEndpointPath;
// We skip runtime type checks for simplicity (here we cast from `any` to `Release`)
const response: GithubRelease = await fetch(requestUrl, {
headers: { Accept: "application/vnd.github.v3+json" }
})
.then(res => res.json());
const artifact = response.assets.find(artifact => artifact.name === opts.artifactFileName);
return !artifact ? null : {
releaseName: response.name,
releaseDate: new Date(response.published_at),
downloadUrl: artifact.browser_download_url
};
// Noise denotes tremendous amount of data that we are not using here
interface GithubRelease {
name: string;
published_at: Date;
assets: Array<{
browser_download_url: string;
[noise: string]: unknown;
}>;
[noise: string]: unknown;
}
}
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