react-dom

Server-side rendering with React - composability => passing child component to parent

由 巧了我就是萌 提交于 2019-12-12 03:55:24
问题 Just wondering if this is possible. I have a parent component like so: const React = require('react'); module.exports = React.createClass({ render: function(){ return ( <html lang="en"> <head> <meta charset="UTF-8"></meta> <title>Title</title> </head> <body> {this.props.child} </body> </html> ) } }); what I would like to do is 'pass' a child component to the parent component using props. Something like this: const child = React.createClass({ //// etc }); ReactDOMServer.renderToString(

How to mock a react component's event when fat arrow function is used as event handler?

由 假装没事ソ 提交于 2019-12-11 18:43:23
问题 i want to mock handleClick event of my TodoForm component. TodoForm.jsx import React, { Component } from "react"; export class TodoForm extends Component { handleClick = () => { console.log("handle click is called"); } render() { return ( <div> <button onClick={this.handleClick}>Clik</button> </div> ) } } in TodoForm.test.js import React from 'react' import { mount, shallow } from 'enzyme' import { TodoForm } from "../TodoForm"; it("must call the mock function when button is clicked", () => {

Close React Modal

由 蓝咒 提交于 2019-12-11 18:31:06
问题 I'm having a lot of problems trying to figure out how to add a functioning close button to my modal - constructor/props hasn't been working and I'm not sure what to put after onClick= in the button element. class Modal extends React.Component { // whenever component gets rendered to the screen we create a new div assigned to this.modalTarget componentDidMount() { this.modalTarget = document.createElement('div'); // add class name to modal target this.modalTarget.className = 'modal'; // take

Issue Parsing XML in react using ReactDOM

由 旧街凉风 提交于 2019-12-11 17:52:25
问题 i'm parsing an XML file in my React application from a file, if i write my file listener like hard coded xml i get a correct answer (2) : const raw = `<?xml version="1.0" encoding="ISO-8859-1" ?> <?xml-stylesheet type="text/xsl" href="ACSPIXMT.xsl" ?> <IMPORT> <ACSPIX Type="2106" SN="UI00650521" Ver="3.05.01"/> <DEVICE Name="Performa" SN="04666273" ModelNum="591" Dt="2018-04-17" Tm="13:53" BGUnit="mg/dL"> </DEVICE> <RECENTREC Dt="2014-02-11" Tm="18:47"/> <BGDATA> <BG Val="226" Dt="2014-02-11"

Hide header on some pages in react-router-dom

由 丶灬走出姿态 提交于 2019-12-11 17:41:50
问题 Is there a way I can hide my page header for only some routes in React Router? My issue now is that my App component renders my Main component, which contains my BrowserRouter , and my Header is rendered in my App component, so I have no way of rendering the header based on the route path. Here's some code: App.js import React from 'react'; import {BrowserRouter} from 'react-router-dom'; import Main from './Main'; import Header from './Header'; import Footer from './Footer'; const App = () =>

wrap multiple react DOM component in redux's Provider

由 大兔子大兔子 提交于 2019-12-11 10:08:37
问题 I have this code on my index.js file in my ReactJS project and I want the redux's <Provider> tag to wrap them up so that they can all access the same store, The question is, how can I do that? ReactDOM.render(<Header />, document.getElementById('header')); ReactDOM.render(<App />, document.getElementById('root')); ReactDOM.render(<Footer />, document.getElementById('footer')); 回答1: Well, if the store is the same, then you can simply apply the <Provider> to all pieces and they will all use the

How to dynamically add class in react?

由 陌路散爱 提交于 2019-12-11 09:44:03
问题 In simple tic-tac game,When someone wins, highlight the three squares that caused the win. <p data-height="265" data-theme-id="0" data-slug-hash="PQyERJ" data-default-tab="js,result" data-user="akshgods" data-embed-version="2" data-pen-title="Simple tic tac game" class="codepen">See the Pen <a href="https://codepen.io/akshgods/pen/PQyERJ/">Simple tic tac game</a> by ganesh (<a href="https://codepen.io/akshgods">@akshgods</a>) on <a href="https://codepen.io">CodePen</a>.</p> <script async src=

Calling render vs painting the DOM?

由 回眸只為那壹抹淺笑 提交于 2019-12-11 06:42:30
问题 I’m learning about React and trying to get a better understanding about the lifecycle and about the different stages. One thing I just read states “React first renders and then mounts elements. Rendering in this context means calling a class’s render(), not painting the DOM” I guess I just don’t really get what that means. Can someone explain it in a simple way or with examples? Thanks in advance! 回答1: Some simplified definitions first: Browser uses dom to decide what to display. In react,

next.js & material-ui - getting them to work

由 喜夏-厌秋 提交于 2019-12-11 00:44:56
问题 I'm giving next.js a spin and I can't get the simplest setup to work. Here's my setup: Relevant libs: "react": "^16.2.0", "react-dom": "^16.2.0", "next": "^4.2.2", "express": "^4.16.2", "next-routes": "^1.2.0", "material-ui": "^0.20.0", server.js const express = require('express') const next = require('next'); const routes = require('./routes'); const port = parseInt(process.env.PORT, 10) || 3000; const dev = process.env.NODE_ENV !== 'production'; const app = next({ dev }); const handler =

react-dnd getDecoratedComponentInstance() is not a function

由 浪子不回头ぞ 提交于 2019-12-10 22:36:08
问题 I am currently building a feature for file upload and sorting within react. I have used the following examples: https://gaearon.github.io/react-dnd/examples-chessboard-tutorial-app.html https://github.com/okonet/react-dropzone https://github.com/gaearon/react-dnd-html5-backend Everything worked fine, until it came to eslint telling me not to use findDOMNode within js/componenets/File.jsx in my repository below. https://github.com/GregHolmes/react-dnd-dropzone It happens when I try to re-sort
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