cksource/mgit2

/**
 * @license Copyright (c) 2003-2024, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md.
 */

'use strict';

module.exports = function log() {
    const logs = new Map( [
        [ 'info', [] ],
        [ 'error', [] ]
    ] );

    const logger = {
        info( msg ) {
            return logger.log( 'info', msg );
        },

        error( msg ) {
            if ( msg instanceof Error ) {
                msg = msg.stack;
            }

            return logger.log( 'error', msg );
        },

        log( type, msg ) {
            if ( !msg ) {
                return;
            }

            msg = msg.trim();

            if ( !msg ) {
                return;
            }

            logs.get( type ).push( msg );
        },

        concat( responseLogs ) {
            responseLogs.info.forEach( msg => logger.info( msg ) );

            responseLogs.error.forEach( err => logger.error( err ) );
        },

        /**
         * @returns {Logs}
         */
        all() {
            return {
                error: logs.get( 'error' ),
                info: logs.get( 'info' )
            };
        }
    };

    return logger;
};

/**
 * @typedef {Object} Logger
 *
 * @property {Function} info A function that informs about process.
 *
 * @property {Function} error A function that informs about errors.
 */

/**
 * @typedef {Object} Logs
 *
 * @property {Array.<String>} error An error messages.
 *
 * @property {Array.<String>} info An information messages.
 */