jsonrequest/lib/index.js

A tiny library for requesting and getting JSON resources.

"use strict";

// Dependencies

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var tinyreq = require("tinyreq"),
    ul = require("ul"),
    noop = require("noop6");

/**
 * jsonRequest
 * Creates the http(s) request and parses the response.
 *
 * @name jsonRequest
 * @function
 * @param {String|Object} options A string representing the request url or an object passed to the `tinyreq` function.
 * @param {Object} data The request data object.
 * @param {Function} callback The callback function.
 * @return {Object} The request object.
 */
module.exports = function jsonRequest(options, data, callback) {

    // Handle options as string
    if (typeof options === "string") {
        options = {
            url: options
        };
    }

    if (typeof data === "function") {
        callback = data;
        data = undefined;
    }

    options.data = options.data || data;

    // Stringify the data
    if (_typeof(options.data) === "object") {
        options.data = JSON.stringify(options.data);
    }

    options = ul.deepMerge(options, {
        headers: {
            "Content-Type": "application/json"
        }
    });

    var maybeCallback = callback ? function (err, body, res) {
        if (err) {
            return callback(err, body, res);
        }
        if (body) {
            try {
                body = JSON.parse(body);
            } catch (e) {
                return callback(e, body, res);
            }
        }
        callback(null, body, res);
    } : noop;

    var prom = tinyreq(options, maybeCallback).then(function (body) {
        return JSON.parse(body);
    });
    prom.catch(noop);
    return prom;
};