@trayio/connector-utils/lib/formatters.js

Common utility functions used in connectors.

const { UserInputError } = require('./errors');

const setErrorMessage = (input) =>
	`Expected an array but instead received input of type '${typeof input}'.`;

/**
 * Given an array of strings, returns it as a string delimited by a delimiter.
 *
 * @param {Array} arrayToFormat An array of strings.
 * @param {String} [delimiter=','] The string that will separate the values
 * @return {String} Delimited string.
 */

const formatArrayToDelimitedList = ({ arrayToFormat, delimiter = ',' }) => {
	if (arrayToFormat) {
		if (Array.isArray(arrayToFormat)) {
			return arrayToFormat.join(delimiter);
		}
		throw new UserInputError(setErrorMessage(arrayToFormat));
	}

	return undefined;
};

/**
 * Given an array of strings, returns it as a comma-delimited string.
 *
 * @param {Array} arrayToFormat An array of strings.
 * @return {String} Delimited string.
 */

const formatArray = (arrayToFormat) =>
	formatArrayToDelimitedList({ arrayToFormat });

module.exports = { formatArrayToDelimitedList, formatArray };