sync-request-curl/dist/esm/request.js

Fast way to send synchronous web requests in NodeJS. API is a subset of sync-request. Leverages node-libcurl for high performance. Cannot be used in a browser.

import { Curl, Easy } from 'node-libcurl';
import { checkGetBodyStatus, checkValidCurlCode, handleQs, parseReturnedHeaders, parseIncomingHeaders } from './utils';
const handleQueryString = (curl, url, qs) => {
    url = qs && Object.keys(qs).length ? handleQs(url, qs) : url;
    curl.setOpt(Curl.option.URL, url);
    return url;
};
const handleOutgoingHeaders = (curl, returnedHeaderArray) => {
    curl.setOpt(Curl.option.HEADERFUNCTION, (headerLine) => {
        returnedHeaderArray.push(headerLine.toString('utf-8').trim());
        return headerLine.length;
    });
};
const handleBody = (curl, options, buffer, httpHeaders) => {
    if (options.json) {
        httpHeaders.push('Content-Type: application/json');
        curl.setOpt(Curl.option.POSTFIELDS, JSON.stringify(options.json));
    }
    else if (options.body) {
        curl.setOpt(Curl.option.POSTFIELDS, String(options.body));
    }
    curl.setOpt(Curl.option.WRITEFUNCTION, (buff, nmemb, size) => {
        buffer.body = Buffer.concat([buffer.body, buff.subarray(0, nmemb * size)]);
        return nmemb * size;
    });
};
const request = (method, url, options = {}) => {
    // Initialing curl object with custom options
    const curl = new Easy();
    curl.setOpt(Curl.option.CUSTOMREQUEST, method);
    curl.setOpt(Curl.option.TIMEOUT, options.timeout || false);
    curl.setOpt(Curl.option.FOLLOWLOCATION, options.followRedirects === undefined || options.followRedirects);
    curl.setOpt(Curl.option.MAXREDIRS, options.maxRedirects || Number.MAX_SAFE_INTEGER);
    // Query string parameters
    handleQueryString(curl, url, options.qs);
    // Headers (both incoming and outgoing)
    const httpHeaders = parseIncomingHeaders(options.headers);
    const returnedHeaderArray = [];
    handleOutgoingHeaders(curl, returnedHeaderArray);
    // Body (and JSON)
    const bufferWrap = { body: Buffer.alloc(0) };
    handleBody(curl, options, bufferWrap, httpHeaders);
    // Execute request
    curl.setOpt(Curl.option.HTTPHEADER, httpHeaders);
    const code = curl.perform();
    checkValidCurlCode(code, method, url, options);
    // Creating return object
    const statusCode = curl.getInfo('RESPONSE_CODE').data;
    const headers = parseReturnedHeaders(returnedHeaderArray);
    const body = bufferWrap.body;
    const getBody = (encoding) => {
        checkGetBodyStatus(statusCode, body);
        return typeof encoding === 'string' ? body.toString(encoding) : body;
    };
    url = curl.getInfo('EFFECTIVE_URL').data;
    curl.close();
    return { statusCode, headers, body, getBody, url };
};
export default request;
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