lib/process_babel_presets.js
function includesPresetName(preset) {
	return _.isString(preset) ||
		_.isArray(preset) && _.isString(_.head(preset));
}
function includesPresetName(preset) {
	return _.isString(preset) ||
		_.isArray(preset) && _.isString(_.head(preset));
}
function includesPresetName ( preset ) { return _ . isString ( preset ) || _ . isArray ( preset ) && _ . isString ( _ . head ( preset ) ) ; }
Whether the babel preset name was provided
@param {BabelPreset} preset
@return {boolean}
Whether the babel preset name was provided