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import http from 'node:http'
import https from 'node:https'
import { getProxyAgent } from './get-proxy-agent'
/**
* Makes a simple GET request and returns the entire response as a Buffer.
* - Throws if the response status is not 200.
* - Applies a 3000 ms timeout when `isDev` is `true`.
*/
export function fetchResource(
url: string,
isDev: boolean,
errorMessage?: string
): Promise<Buffer> {
return new Promise((resolve, reject) => {
const { protocol } = new URL(url)
const client = protocol === 'https:' ? https : http
const timeout = isDev ? 3000 : undefined
const req = client.request(
url,
{
agent: getProxyAgent(),
headers: {
// The file format is based off of the user agent, make sure woff2 files are fetched
'User-Agent':
'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) ' +
'AppleWebKit/537.36 (KHTML, like Gecko) ' +
'Chrome/104.0.0.0 Safari/537.36',
},
},
(res) => {
if (res.statusCode !== 200) {
reject(
new Error(
errorMessage ||
`Request failed: ${url} (status: ${res.statusCode})`
)
)
return
}
const chunks: Buffer[] = []
res.on('data', (chunk) => chunks.push(Buffer.from(chunk)))
res.on('end', () => resolve(Buffer.concat(chunks)))
}
)
if (timeout) {
req.setTimeout(timeout, () => {
req.destroy(new Error(`Request timed out after ${timeout}ms`))
})
}
req.on('error', (err) => reject(err))
req.end()
})
}
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