服务端渲染报错 `window is not defined`,

[qianxuemin]

服务端渲染时报错：

版本:@chatui/[email protected]

报错信息： ReferenceError: window is not defined

报错文件：

node_modules/@chatui/core/lib/utils/canUse.js:30:30

 26 |   smoothScroll: function smoothScroll() {
 27 |     return 'scrollBehavior' in document.documentElement.style;
 28 |   },
 29 |   touch: function touch() {
> 30 |     return 'ontouchstart' in window;
    |                              ^
 31 |   }
 32 | };
 33 |