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