code: function lintMethod (mtd, file, config, cb, configPath) {
  	let runConfig = transformConfig(config);
  
  	if (typeof cb !== 'function') {
  		cb = function () {};
  	}
  
  	try {
  		let results = sassLint[mtd](file, runConfig, configPath);
  
  		if (mtd !== 'lintFiles') {
  			if (!Array.isArray(results)) {
  				results = [results];
  			}
  		}
  
  		let data = {
  			results,
  			errorCount: sassLint.errorCount(results),
  			warningCount: sassLint.warningCount(results)
  		};
  
  		cb(null, data);
  	} catch (err) {
  		cb(err);
  	}
  }
docs: Creating linting methods with happiness-scss configPath
  @param {string} mtd
  @param {string} file
  @param {Object} [config]
  @param {function} [cb]
  @param {string} configPath