midas-core/distribution/Loader/CSVLoader.js

Enrich data with APIs

'use strict';

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

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _Loader2 = require('./Loader');

var _Loader3 = _interopRequireDefault(_Loader2);

var _fsExtra = require('fs-extra');

var _fsExtra2 = _interopRequireDefault(_fsExtra);

var _flat = require('flat');

var _flat2 = _interopRequireDefault(_flat);

var _csvjson = require('csvjson');

var _csvjson2 = _interopRequireDefault(_csvjson);

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var CSVLoader = function (_Loader) {
    _inherits(CSVLoader, _Loader);

    function CSVLoader(config) {
        _classCallCheck(this, CSVLoader);

        return _possibleConstructorReturn(this, (CSVLoader.__proto__ || Object.getPrototypeOf(CSVLoader)).call(this, config));
    }

    _createClass(CSVLoader, [{
        key: 'load',
        value: function load(data) {
            var options = {
                delimiter: this.config._target.delimiter,
                wrap: false,
                headers: 'key'
            };

            var _data = [];

            data.forEach(function (row, index) {
                _data.push((0, _flat2.default)(row));
            });

            var data_string = _csvjson2.default.toCSV(_data, options);
            return _fsExtra2.default.outputFile(this.config._target.path, data_string);
        }
    }]);

    return CSVLoader;
}(_Loader3.default);

exports.default = CSVLoader;