Upgrading to react-scripts v5 is not always the solution. The full reason for this bug is described here. In short here is a brief summary: The error is as a result of react-error-overlay (which many people would never have heard of because it is a dependency of react-scripts). This package’s dependencies were update to support … Read more
Just like that nice warning you got, you are trying to do something that is an Anti-Pattern in React. This is a no-no. React is intended to have an unmount happen from a parent to child relationship. Now if you want a child to unmount itself, you can simulate this with a state change in … Read more
I guess you need something like this: const MySelect = props => ( <Select {…props} value = { props.options.filter(option => option.label === ‘Some label’) } onChange = {value => props.input.onChange(value)} onBlur={() => props.input.onBlur(props.input.value)} options={props.options} placeholder={props.placeholder} /> ); #EDIT 1 : In the new version const MySelect = props => ( <Select {…props} options={props.options} onChange = … Read more
For React 16 and React >=15.6 Setter .value= is not working as we wanted because React library overrides input value setter but we can call the function directly on the input as context. var nativeInputValueSetter = Object.getOwnPropertyDescriptor(window.HTMLInputElement.prototype, “value”).set; nativeInputValueSetter.call(input, ‘react 16 value’); var ev2 = new Event(‘input’, { bubbles: true}); input.dispatchEvent(ev2); For textarea element you … Read more
If you use create-react-app 2.0 you can now do it like this: import { ReactComponent as YourSvg } from ‘./your-svg.svg’; And then use it just like you would normally use a component: const App = () => ( <div> <YourSvg /> </div> ); Note that the new name must be capitalized, or else React won’t … Read more
What you want is the .at(index) method: .at(index) . So, for your example: expect(component.find(‘MyInnerComponent’).at(1)).toHaveProp(‘title’, ‘Good-bye’);
Just change from “loaders” to “rules” in “webpack.config.js” Because loaders is used in Webpack 1, and rules in Webpack2. You can see there have differences.
Actually it depends on your use case. 1) You want to protect your route from unauthorized users If that is the case you can use the component called <Redirect /> and can implement the following logic: import React from ‘react’ import { Redirect } from ‘react-router-dom’ const ProtectedComponent = () => { if (authFails) return … Read more
Change “plugins”: [ “@babel/plugin-proposal-class-properties” ] To “plugins”: [ [ “@babel/plugin-proposal-class-properties”, { “loose”: true } ] ] This worked for me
create index.d.ts file in folder src,and add this line declare module ‘*.jpg’;