OpenAsar/src/updater/request.js

39 lines
No EOL
1.2 KiB
JavaScript

const request = require('request');
const nodeRequest = ({ method, url, headers, qs, timeout, body, stream }) => new Promise((resolve, reject) => {
const req = request({ method, url, headers, qs, timeout: timeout ?? 30000, body });
req.on('response', (response) => {
const total = parseInt(response.headers['content-length'] || 1, 10);
let outOf = 0;
const chunks = [];
const badStatus = response.statusCode >= 300;
if (badStatus) stream = null;
response.on('data', chunk => {
chunks.push(chunk);
if (!stream) return;
outOf += chunk.length;
stream.write(chunk);
stream.emit('progress', { total, outOf });
});
response.on('end', () => {
if (stream != null) {
stream.on('finish', () => resolve(response));
return stream.end();
}
if (badStatus) return reject(new Error('Req error:' + response.statusCode));
resolve({ ...response, body: Buffer.concat(chunks) });
});
});
req.on('error', err => reject(err));
});
const meth = (method, opt) => nodeRequest({ ...(typeof opt === 'string' ? { url: opt } : opt), method });
exports.get = meth.bind(null, 'GET');