_show = function _show(instance, message, options) {
	options = options || {};
	var toast = null;

	if ((typeof options === 'undefined' ? 'undefined' : _typeof(options)) !== "object") {
		console.error("Options should be a type of object. given : " + options);
		return null;
	}

	// singleton feature
	if (instance.options.singleton && instance.toasts.length > 0) {
		instance.cached_options = options;
		instance.toasts[instance.toasts.length - 1].goAway(0);
	}

	// clone the global options
	var _options = Object.assign({}, instance.options);

	// merge the cached global options with options
	Object.assign(_options, options);

	toast = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__show__["a" /* default */])(instance, message, _options);
	instance.toasts.push(toast);

	return toast;
}
Wrapper for show method in order to manipulate options

@param instance
@param message
@param options
@returns {*}
@private