Fix lack of default for `options`

src/index.js

@@ -6,7 +6,7 @@ const livereloadPartial = require("@joepie91/gulp-partial-livereload");
 const cache = require("gulp-cached");
 const sass = require("gulp-sass");
 
-module.exports = function(options) {
+module.exports = function(options = {}) {
 	let cacheKey = (options.cacheKey != null) ? options.cacheKey : "preset";
 
 	let streamList = [
@@ -23,4 +23,4 @@ module.exports = function(options) {
 			basePath: options.basePath
 		}
 	});
-}
+}