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import * as http from 'http';
import * as https from 'https';
import * as cache from 'lookup-dns-cache';
import fetch, { HeadersInit } from 'node-fetch';
import { HttpProxyAgent } from 'http-proxy-agent';
import { HttpsProxyAgent } from 'https-proxy-agent';
import config from '../config';
export async function getJson(url: string, accept = 'application/json, */*', timeout = 10000, headers?: HeadersInit) {
const res = await fetch(url, {
headers: Object.assign({
'User-Agent': config.userAgent,
Accept: accept
}, headers || {}),
timeout,
agent: u => u.protocol == 'http:' ? httpAgent : httpsAgent,
});
if (!res.ok) {
throw {
name: `StatusError`,
statusCode: res.status,
message: `${res.status} ${res.statusText}`,
};
}
return await res.json();
}
export const httpAgent = config.proxy
? new HttpProxyAgent(config.proxy)
: new http.Agent({
keepAlive: true,
keepAliveMsecs: 30 * 1000,
});
export const httpsAgent = config.proxy
? new HttpsProxyAgent(config.proxy)
: new https.Agent({
keepAlive: true,
keepAliveMsecs: 30 * 1000,
lookup: cache.lookup,
});
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