thebespokepixel/verbosity

import chalk from 'chalk'

/**
 * Message routing and formatting matrix.
 * @private
 * @type {object}
 * @param {Stream} sOut Output stream.
 * @param {Stream} sErr Error stream.
 * @returns {object} Routing matrix object.
 */
export default function matrix(sOut, sError) {
    return {
        debug: {
            level: 5,
            stream: sOut,
            /**
             * Format the debug message.
             * @private
             * @param  {string} pfix Message prefix.
             * @param  {string} message  The message body.
             * @return {string} The formatted mesage.
             */
            format: (pfix, message) => `${pfix}${chalk.dim(message)}`,
        },
        info: {
            level: 4,
            stream: sOut,
            /**
             * Format the info message.
             * @private
             * @param  {string} pfix Message prefix.
             * @param  {string} message  The message body.
             * @return {string} The formatted mesage.
             */
            format: (pfix, message) => `${pfix}${message}`,
        },
        log: {
            level: 3,
            stream: sOut,
            /**
             * Format the log message.
             * @private
             * @param  {string} pfix Message prefix.
             * @param  {string} message  The message body.
             * @return {string} The formatted mesage.
             */
            format: (pfix, message) => `${pfix}${message}`,
        },
        warn: {
            level: 2,
            stream: sError,
            /**
             * Format the warn message.
             * @private
             * @param  {string} pfix Message prefix.
             * @param  {string} message  The message body.
             * @return {string} The formatted mesage.
             */
            format: (pfix, message) => `${pfix}${chalk.yellow(message)}`,
        },
        error: {
            level: 1,
            stream: sError,
            /**
             * Format the error message.
             * @private
             * @param  {string} pfix Message prefix.
             * @param  {string} message  The message body.
             * @return {string} The formatted mesage.
             */
            format: (pfix, message) => `${pfix}${chalk.red(`ERROR: ${message}`)}`,
        },
        critical: {
            level: 0,
            stream: sError,
            /**
             * Format the critical message.
             * @private
             * @param  {string} pfix Message prefix.
             * @param  {string} message  The message body.
             * @return {string} The formatted mesage.
             */
            format: (pfix, message) => `${pfix}${chalk.bold.red(`CRITICAL: ${message}`)}`,
        },
        panic: {
            level: 0,
            stream: sError,
            /**
             * Format the panic message.
             * @private
             * @param  {string} pfix Message prefix.
             * @param  {string} message  The message body.
             * @return {string} The formatted mesage.
             */
            format: (pfix, message) => `${pfix}${chalk.bold.red(`PANIC: ${message}`)}`,
        },
        emergency: {
            level: 0,
            stream: sError,
            /**
             * Format the emergency message.
             * @private
             * @param  {string} pfix Message prefix.
             * @param  {string} message  The message body.
             * @return {string} The formatted mesage.
             */
            format: (pfix, message) => `${pfix}${chalk.bold.red(`EMERGENCY: ${message}`)}`,
        },
    }
}