small cleanup

.github/workflows/ci.yml

@@ -16,3 +16,4 @@ jobs:
         node-version: '14.x'
     - run: yarn install --frozen-lockfile
     - run: yarn lint
+    - run: yarn build

src/index.d.ts

@@ -3,6 +3,6 @@ export function init(options?: {
   classes?: { dark: string, light: string };
   default?: string;
   storageKey?: string;
-  onInit?: (toggle?: HTMLElement) => void;
-  onChange?: (theme?: string, toggle?: HTMLElement) => void;
+  onInit?: (toggle?: HTMLElement) => unknown;
+  onChange?: (theme?: string, toggle?: HTMLElement) => unknown;
 }): void;

src/index.js

@@ -1,7 +1,6 @@
 "use strict";
 
 const init = function (options) {
-  // { toggle, classes: { light, dark }, default, storageKey }
   options = options || {};
 
   // use a specified element(s) to trigger swap when clicked