React 报错 "Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got..." 通常是由于组件导入或定义错误导致的。 这个错误通常发生在以下几种情况: 导入组件时混淆了默认导入和命名导入: 当一个组件使用默认导出时,导入时应该不加大括号...
起因:React使用Antd组件库,因为某些原因实在用不下去了,代码不变直接改成Tdesign组件库,于是就开始了解决无穷无尽的报错。。。 Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your compo...
value:"Module"}), Object.defineProperty(e,"__esModule", { value:!0}) }, n.t=function(e, t) {if(1 & t && (e = n(e)), 8 & t)returne;if(4 & t && "object" ==typeofe && e && e.__esModule)returne;varr = Object.create(null);if(n.r(r), Object.defineProperty(r,...
产生"Element type is invalid -- expected a string (for built-in components) or a class/function (for composite components) but got"错误有多个原因: 在导入组件时,将默认导入和命名导入混淆。 忘记从文件中导出组件。 不正确地定义了一个React组件,例如,作为一个变量而不是一个函数或类。 为了解决该错...
当我们试图使用不是函数或类的东西作为一个组件时,会产生"Element type is invalid -- expected a string (for built-in components) or a class/function (for composite components) but got:"错误信息。 错误信息 你应该看一下got:后面的错误信息,因为它可能表明是什么原因导致的错误。
I am using react-slick as a dependency in one of my custom react package. Slider works fine in the component whereas it throws below error when we publish the component as a package and use it in another component. Error : Element type is invalid: expected a string (for built-in compone...
Element type is invalid: expected a string (for built-in components) or a class/function (for compos,1、错误描述2、错误原因importReactfrom'react';importReactDOMfrom'react-dom';importColumn2Dfrom'./components/...
React报错:Element type is invalid:expected a string or a class/function,错误原因大概是导入模块的时候出现了错误,可以尝试定位到import看看是否导入错误
react项目在浏览器跑没问题,但是跑jest单元测试报错 Test suite failed to run Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your component from the file it's...
Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object. Check the render method of App. 代码 index.js import Reactfrom'react'; import ReactDOMfrom'react-dom'; ...