1

一位同事实现了一个 ScrollToTop 组件，它有：

componentDidMount() {
    window && window.scrollTo && window.scrollTo(0, 0)
}

在某些情况下简单地将页面滚动到顶部。

但是，在运行测试时，测试会定期出错，并显示未实现：window.scrollTo（底部的完整错误堆栈）。

我知道 window.scrollTo 在节点上下文或开玩笑测试中不存在。如何抑制在非浏览器上下文中滚动的尝试？或者我应该如何开玩笑地处理这个全局？

console.error node_modules/jest-environment-jsdom/node_modules/jsdom/lib/jsdom/virtual-console.js:29
  Error: Not implemented: window.scrollTo
      at module.exports (/src/argos-r/node_modules/jest-environment-jsdom/node_modules/jsdom/lib/jsdom/browser/not-implemented.js:9:17)
      at /src/argos-r/node_modules/jest-environment-jsdom/node_modules/jsdom/lib/jsdom/browser/Window.js:594:7
      at ScrollToTop.scrollTo [as componentDidMount] (/src/argos-r/src/components/ScrollToTop.js:6:45)
      at commitLifeCycles (/src/argos-r/node_modules/react-dom/cjs/react-dom.development.js:17334:22)
      at commitAllLifeCycles (/src/argos-r/node_modules/react-dom/cjs/react-dom.development.js:18736:7)
      at HTMLUnknownElement.callCallback (/src/argos-r/node_modules/react-dom/cjs/react-dom.development.js:149:14)
      at invokeEventListeners (/src/argos-r/node_modules/jest-environment-jsdom/node_modules/jsdom/lib/jsdom/living/events/EventTarget-impl.js:193:27)
      at HTMLUnknownElementImpl._dispatch (/src/argos-r/node_modules/jest-environment-jsdom/node_modules/jsdom/lib/jsdom/living/events/EventTarget-impl.js:119:9)
      at HTMLUnknownElementImpl.dispatchEvent (/src/argos-r/node_modules/jest-environment-jsdom/node_modules/jsdom/lib/jsdom/living/events/EventTarget-impl.js:82:17)
      at HTMLUnknownElementImpl.dispatchEvent (/src/argos-r/node_modules/jest-environment-jsdom/node_modules/jsdom/lib/jsdom/living/nodes/HTMLElement-impl.js:30:27) undefined
console.error node_modules/react-dom/cjs/react-dom.development.js:506
4

0 回答 0