当试图将react bootstrap Modal组件导入我的react项目时,我得到了以下错误:
ERROR in ./~/react-dom/lib/ReactDOMUnknownPropertyHook.js
Module not found: Error: Cannot resolve module 'react/lib/ReactComponentTreeHook' in /vagrant/node_modules/react-dom/lib
@ ./~/react-dom/lib/ReactDOMUnknownPropertyHook.js 15:29-72
E
我试图用TypeScript创建Reactive18应用程序,我试着跟随,但我无法使它工作。我无法将"types": ["react/next", "react-dom/next"]添加到tsconfig文件中。我搞错了:
Cannot find type definition file for 'react-dom/next'.
The file is in the program because:
Entry point of type library 'react-dom/next' specif
我试着用Jest、React和PostCSS进行测试。通过使用className={styles.*},我可以让它工作得很好,而不需要使用react模块。也尝试过,但没有帮助。
import React, { Component } from 'react';
import logo from './logo.svg';
import CSSModules from 'react-css-modules';
import styles from './App.pcss';
class App extends Component
在呈现我的react组件之后,在控制台中获取这个未显示的引用错误,如下所示:
react-dom.production.min.js:216 ReferenceError: H is not defined
at App.render (webpack://frontend/./src/components/App.js?:21:149)
at qi (webpack://frontend/./node_modules/react-dom/cjs/react-dom.production.min.js?:187:188)
at pi (webpack://frontend/./node_mod
我试着用font-awesome和React和Webpack。我已经安装了字体-使用npm非常棒:
npm install font-awesome --save
我已经正确地配置了webpack,我可以看到font-awesome是由Webpack加载并捆绑在我的bundle.js中的
$ npm run hot
> webpack-dev-server --inline --hot
http://localhost:8080/
webpack result is served from /dist
content is served fro
我在我的npm start日志上得到了这个结果:
Can't resolve 'react-dom/server' in 'C:\Users\Alvaro\git\Fancy\lab\src\components\data-visualization\chart'
If you're trying to use a package make sure that 'react-dom/server' is installed. If you're trying to use a local file make sure t
我在使用react dom/client时有以下错误
Compiled with problems:X
ERROR in src/index.tsx:2:28
TS7016: Could not find a declaration file for module 'react-dom/client'. 'C:/Users/Mohamad/Desktop/HIS/Administration/Administration/Administration/Administration.Endpoints.WebUI/ClientApp/node_modules/reac
我们升级到next.js 13,现在我们得到了这个错误:
TypeError:无法读取null属性(读取'useState')
这是堆栈跟踪:
Warning: Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for one of the following reasons:
1. You might have mismatching versions of React and the renderer (s
Next.js太棒了。但它也有一些让开发人员抓狂的But。
我正在创建一个网站,我已经在25个地方使用了next/image。
现在我得到了一个错误:
Error: Image is missing required "src" property. Make sure you pass "src" in props to the `next/image` component. Received: {}
at Image (webpack-internal:///../../site/node_modules/next/dist/client/image.
我正在尝试使用酶在一个创建-反应-应用程序中测试React UI组件。我有一个使用mount的基本测试组件。这表明(至少对我而言),我已经正确地设置了酶及其依赖项。
每当我试图在一个更复杂的组件上运行测试时,我都会得到一个错误,比如:
Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object. You likely forgot to export
似乎我在这里配置了一些不正确的东西,因为大小写的原因,react原生组件被标记为非原生组件,但很明显这些组件已经有了大写字母。这里发生了什么事?
console.error
Warning: The tag <Text> is unrecognized in this browser. If you meant to render a React component, start its name with an uppercase letter.
at Text
at Component (/Project/node_modules/r
我对reactjs很陌生,我试图为一个简单的函数编写一个单元测试。我正在使用酶,这是我的测试:
import React from 'react';
import { shallow } from 'enzyme';
import {P} from "../../src/app/components/T";
import ToDoItem from "../../src/app/components/ToDoItem";
function mockItem(overrides) {
// … create mock ToDo
当我尝试使用浅层函数执行基本的浅层渲染测试时,我得到了以下错误消息:
TypeError: Cannot read property 'props' of undefined
at Object.ReactElement.cloneElement (node_modules/react/lib/ReactElement.js:271:34)
at Object.ReactElementValidator.cloneElement (node_modules/react/lib/ReactElementValidator.js:242:48)
at App.render (sr
import React from 'react';
// or
const React = require('react');
describe('...', () => ...);
我正在学习写出好的测试代码。下面的代码是react-dom的测试代码,为什么要这样写呢?它不应该像上面的代码一样写吗?
'use strict';
let React;
let ReactDOM;
let ReactDOMServer;
let ReactTestUtils;
describe('ReactDOM', (