proposal: the bast way for check browser

```javascript
export const canUseDOM = !!(
  typeof window !== "undefined" &&
  typeof window.document !== "undefined" &&
  typeof window.document.createElement !== "undefined"
);
```
https://github.com/molefrog/wouter/blob/5533ed0e4e776f484bbf6bd95e8134fe1554ffe7/react-deps.js