@kitmi/utils/src/arrayToCsv.js

A JavaScript utility library for both server and browser

import quote from './quote';

/**
 * Convert an array to CSV string.
 * @alias array.arrayToCsv
 * @param {Array} data
 * @param {*} [separator=','] - Separator, default ,
 * @param {*} [replacer] - Replacer function
 * @returns {String}
 */
const arrayToCsv = (data, separator = ',', replacer) => {
    if (data == null) {
        return '';
    }

    if (!Array.isArray(data)) {
        throw new Error('The target argument should be an array.');
    }

    return data
        .map((elem) => {
            elem = replacer ? replacer(elem) : elem.toString();
            return elem.indexOf(separator) !== -1 ? quote(elem, '"') : elem;
        })
        .join(separator);
};

export default arrayToCsv;