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const normalize = (string: string) => {    try {        return string.toUpperCase().trim()    } catch (e) {        return string    }}
const providerMethods: Record<    string,    (        { user, repo }: { user: string; repo: string; part?: string },    ) => Promise<string[]>> = {    GITHUB: async ({ user, repo, part = "" }: { user: string; repo: string; part?: string }) => {        const response = await fetch(`https://api.github.com/repos/${user}/${repo}/releases/latest`)        const json = await response.json()
        if (json.message === "Not Found") throw new Error("Invalid repository")        if (!("assets" in json)) throw new Error("Rate limit exceeded")
        const browserDownloadUrls: string[] = json.assets.map((asset: { browser_download_url: string }) =>            asset.browser_download_url        )        return browserDownloadUrls.filter((url) => url.includes(part))    },    BITBUCKET: async ({ user, repo, part = "" }: { user: string; repo: string; part?: string }) => {        const response = await fetch(`https://api.bitbucket.org/2.0/repositories/${user}/${repo}/downloads/`)        const json = await response.json()
        if (json.type === "error") throw "Invalid repository"        const links: string[] = json.values.map((value: { links: { self: { href: string } } }) => value.links.self.href)        return links.filter(url => url.includes(part))    },}
/** * Fetches one or many matching release URLs from the selected provider * @param options.provider The provider to fetch from. Available options are * 'github', 'bitbucket' and any others added via `addProviderMethod` * @param options.user Username to fetch from. This is the user name / org name * of the repository owner * @param options.repo Repository to fetch releases from * @param options.part Part of the name of release assets to filter. Eg. if a * release contains 3 assets, 'hi-1', 'hi-2', and '3', passing 'hi' as the part * will only return 'hi-1' and 'hi-2' */export default async function getReleaseURL(options: { provider: string; user: string; repo: string; part?: string }) {    const providerNormalized = normalize(options.provider)    if (!(providerNormalized in providerMethods)) {        throw new Error("Invalid provider")    }
    return await providerMethods[providerNormalized]({ user: options.user, repo: options.repo, part: options.part || "" })}
/** * @param provider Provider for the method. You can override existing providers * if needed * @param method Custom method  */export function addProviderMethod(    provider: string,    method: (        { user, repo, part }: { user: string; repo: string; part?: string },    ) => Promise<string[]>,) {    providerMethods[normalize(provider)] = method}