yoanm / alfred-personal-assistant

"use strict";

/**

 * @param {Array<callback>} callbackList

 *

 * @returns {Promise<Object>} Return a promise resolved even if one or more callbacks have failed

 *                            Resolved value is an object containing resolvedList and rejectedList

 *                            - resolvedList will contains successful callback returned value ordered by callback index

 *                            - rejectedList will contains rejected callback error ordered by callback index

 */

module.exports = (callbackList) => {

    const final = {

        resolvedList: [],

        rejectedList: []

    };

    if (callbackList.length === 0) {

        return Promise.resolve(final);

    }

    const mapCallback = (callback, index) => {

        return new Promise(resolve => {

            try {

                final.resolvedList[index] = callback();

                resolve();

            } catch (e) {

                final.rejectedList[index] = e;

                resolve();

            }

        });

    };

    return Promise.all(callbackList.map(mapCallback))

        .then(() => final);

};