node-heremaps/dist/utils/make_request.js

Here maps API wrapper for Node.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

exports.default = function (request, config, args, uri, callback) {
  if (_invalidCredentials(config)) {
    return _handleError('You must provide app_id and app_code credentials.');
  }

  _initConfigs(config, args);
  var qString = _buildQString(args);

  if (qString.length > REQUEST_MAX_LENGTH) {
    return _handleError('Request too long, exceeds ' + REQUEST_MAX_LENGTH + ' characters.');
  }

  var options = {
    uri: _buildURL(uri, qString, { version: config.version || API_VERSION })
  };

  if (typeof callback !== 'function') {
    return options.uri;
  }

  request(options, function (error, res, data) {
    return _handleRes(error, res, data, callback);
  });
};

var _qs = require('qs');

var _qs2 = _interopRequireDefault(_qs);

var _checkTypes = require('check-types');

var _checkTypes2 = _interopRequireDefault(_checkTypes);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var REQUEST_MAX_LENGTH = 2048;
var API_VERSION = 6.2;
var GEN = 8;

function _initConfigs(config, args) {
  args.app_id = config.app_id;
  args.app_code = config.app_code;
  args.gen = config.gen || GEN;
}

function _handleRes(error, res, data, callback) {
  if (error) {
    return callback(error);
  }

  if (res.statusCode === 200) {
    return callback(null, data);
  }

  var statusError = new Error(data);
  statusError.code = res.statusCode;
  return callback(statusError, data);
}

function _buildURL(uri, qString) {
  return uri + '?' + qString;
}

function _buildQString(args) {
  var qsConfig = { indices: false, arrayFormat: 'repeat' };

  return _qs2.default.stringify(args, qsConfig);
}

function _handleError(message, callback) {
  var error = new Error(message);

  if (typeof callback === 'function') {
    return callback(error);
  }

  throw error;
}

function _invalidCredentials(config) {
  if (!_checkTypes2.default.assigned(config.app_id) || !_checkTypes2.default.assigned(config.app_code)) {
    return true;
  }
}