🐛 bug: fix title=false,will throw warning (#322)

* 🐛 bug: fix title=false,will throw warning

* remove         // @ts-ignore

* fix test

* close import/no-extraneous-dependencies

* update review

Author: chenshuai2144

.eslintrc.js

@@ -4,6 +4,7 @@ module.exports = {
   ...base,
   rules: {
     ...base.rules,
+    'import/no-extraneous-dependencies': 0,
     'import/no-named-as-default': 0,
     'no-template-curly-in-string': 0,
     'prefer-promise-reject-errors': 0,

src/MenuItem.tsx

@@ -178,7 +178,7 @@ export class MenuItem extends React.Component<MenuItemProps> {
       'aria-selected'?: boolean;
     } = {
       ...props.attribute,
-      title: props.title,
+      title: typeof props.title === 'string' ? props.title : undefined,
       className,
       // set to menuitem by default
       role: props.role || 'menuitem',