Create a logger that will only log values if the initial currentLevel is equal to or greater than the initially passed in level

createLogger.js

/**
 * Creates a logger that optional runs depending on the current level set for logging in the application
 *
 * Levels:
 * 0 = debug
 * 1 = trace (alias for verbose)
 * 2 = info
 * 3 = warn
 * 4 = error
 * 5+ = none
 *
 * @param {number} currentLevel The current log level for the application.
 */
const createLogger = (currentLevel) => {

	function logCreator(currentLevel, criteriaLevel, logFunctionName) {
		return (...args) => {
			// If the currentLevel is lower than the criteria level, then simply return the first argument
			if (currentLevel < criteriaLevel) {
				return args[0];
			}
			// We should look at logging out an object, with timestamps etc, but this will surffice to start
			console[logFunctionName](`Log ${logFunctionName}:`, ...args);
			return args[0];
		};
	}

	const debug = logCreator(currentLevel, 0, 'debug');
	const trace = logCreator(currentLevel, 1, 'trace');
	const info = logCreator(currentLevel, 2, 'info');
	const warn = logCreator(currentLevel, 3, 'warn');
	const error = logCreator(currentLevel, 4, 'error');
	
	return {
		debug,
		trace,
		verbose: trace,
		info,
		warn,
		error
	};
};