/**

* Redirect status codes set for O(1) lookup

*/

const REDIRECT_CODES = new Set([301, 302, 303, 307, 308]);

/**

* Function to fetch a URL using native fetch API (Node 24+)

*

* @param input_url

* @param auth_token

* @param redirect_count

*/

export async function fetch(

input_url: string,

auth_token?: string,

redirect_count = 5

): Promise<Record<string, string>> {

const headers: Record<string, string> = {

'User-Agent': `Mozilla/5.0 (${process.platform} ${process.arch}) setup-php`

};

if (auth_token) {

headers['Authorization'] = 'Bearer ' + auth_token;

}

try {

const response = await globalThis.fetch(input_url, {

headers,

redirect: redirect_count > 0 ? 'follow' : 'manual'

});

if (response.ok) {

const data = await response.text();

return {data};

} else if (REDIRECT_CODES.has(response.status) && redirect_count <= 0) {

return {error: `${response.status}: Redirect error`};

} else {

return {error: `${response.status}: ${response.statusText}`};

}

} catch (error) {

return {error: `Fetch error: ${(error as Error).message}`};

}

}