错误信息 "element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: null" 指出在React组件中,期望得到一个字符串(对于内置组件)或一个类/函数(对于复合组件),但实际上得到的是 null。这通常意味着在尝试渲染一个组件时,传入的组件值...
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,...
React项目报错:Element type is invalid: expected a string 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) bu...
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/Column2D.js' importlogofrom'./logo.svg'; import'./App.css'; functionApp() ...
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...
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
问题背景 项目采用的是 react + webpack 开发模式。其中,ManageLayout.js 文件的主体代码如下图所示: 该文件主要功能:导出了两个类: Manag...
今天在用react写后台出现了一个错误,找了好久才找到 Error: Element type is invalid: expected a string (for buil...
Element type is invalid: expected a string (for built-in components) or a class/function but got: object 遇到这种问题一般是import有问题,或是没有exports组件。在我的本地环境下,通过将Icon倒入方式按如下语句写,便解决了这个问题 import Icon from 'react-native-vector-icons/Ionicons'; 希望大家不要再...
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。