Recent questions tagged Reactjs

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reactjs - React controlled input cursor jumps

I am using React and have formatted a controlled input field, which works fine when I write some numbers and ... the cursor should not jump? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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848 views

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reactjs - react ref with focus() doesn't work without setTimeout (my example)

I have encounter this problem, the .focus() only works with setTimeout if i take it out and it stop working. can anyone ... </div> </div> ); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Dynamically changing number of columns in React Native Flat List

I have a FlatList where I want to change the number of columns based on orientation. However, I get the red screen when ... ={item.url} />} />} See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Using React forwardRef with Typescript generic JSX arguments

Given the following typed React component using generic type arguments, how would I go about wrapping it in React's ... to define the T generic. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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reactjs - React onScroll not working

I'm trying to add onscroll event handler to specific dom element. Look at this code: class ScrollingApp ... device will very appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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reactjs - Netlify does not recognize the URL params when using react-router-dom

I am creating a react app that uses react router. I am using the router to match the paths like :/bankName-:credit ... should I do to fix this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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710 views

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reactjs - No package found with specified pattern: D:a 1a***.zip

I created a build definition in vsts with npm build and then I copy the build folder to the drop location. The ... .zip file) to Azure webapp? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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995 views

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reactjs - Using typescript in react，stateless component not assignable to type 'React.SFC'

TypeScript: 2.8.3 @types/react: 16.3.14 The type of return in function component is JSX.Element, when I declare the ... {i18n: ['cn', 'en']} See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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974 views

1 answer

reactjs - React controlled input cursor jumps

I am using React and have formatted a controlled input field, which works fine when I write some numbers and ... the cursor should not jump? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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762 views

1 answer

reactjs - react ref with focus() doesn't work without setTimeout (my example)

I have encounter this problem, the .focus() only works with setTimeout if i take it out and it stop working. can anyone ... </div> </div> ); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

900 views

1 answer

reactjs - Dynamically changing number of columns in React Native Flat List

I have a FlatList where I want to change the number of columns based on orientation. However, I get the red screen when ... ={item.url} />} />} See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

reactjs - Using React forwardRef with Typescript generic JSX arguments

Given the following typed React component using generic type arguments, how would I go about wrapping it in React's ... to define the T generic. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

reactjs - Tree shaking create-react-app?

I created my React app with create-react-app and now use TypeScript with create-react-app-typescript. Everything ... minified code :) Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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813 views

1 answer

reactjs - Generate single physical javascript file using create-react-app

This is perhaps a newbie question. I have created a small reactjs app using create-react-app and I see that ... Am I missing something obvious? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.9k views

1 answer

reactjs - React Apollo Error: Invariant Violation: Could not find "client" in the context or passed in as an option

I'm building a project using React, Apollo and Next.js. I'm trying to update react-apollo to 3.1.3 and ... } } export default withData(MyApp); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

reactjs - How to solve the "update was not wrapped in act()" warning in testing-library-react?

I'm working with a simple component that does a side effect. My test passes, but I'm getting the warning Warning ... ()).toMatchSnapshot(); }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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916 views

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reactjs - How can I create connected/dependent select elements in Formik?

I have two select boxes, one for country and another for region. When someone selects a country, I need to ... } export default App;``` See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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944 views

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reactjs - Passing state with useContext in Typescript

I'm trying to use the useContext hook to pass state and setState to a child component but I'm getting a ... the state and useState variables? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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790 views

1 answer

reactjs - Pass data between independent component react and redux

I am very new to react and redux.I am trying to pass data from one component to another. but it has no ... ); } } export default EmpDetail; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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995 views

1 answer

reactjs - this.props.children not re-rendered on parent state change

I have a piece of code import React, {Component} from 'react'; class App extends Component { render() { ... /s/529lq0rv2n (check console log) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

reactjs - How to config webpack to transpile files from other lerna packages (ejected from create-react-app)

I'm trying to build a lerna package with a create-react-app package and a simple component library. My ... .sass { test: sassRegex, exclude: sassModuleRegex, use: getStyleLoader...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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981 views

1 answer

reactjs - How to create a proxy in React/Webpack to call an external API

I want to issue a GET request to an external API that I do not control. Because of the security on the ... using is piggybacking off of webpack. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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reactjs - React Native Android: Static Image is not showing in production released apk

I have static image in my react-native app accessing via <Image source={require("../assets/preview-full-img ... /docs/signed-apk-android.html See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

reactjs - How To Access Callback Like in setState from useState Hook

Has anyone managed to create a sync callback for the update piece of the useState hook in react 16.8? I have ... please add them here. Cheers, See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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937 views

1 answer

reactjs - How to pass values from a component into Formik multi-step form wizard?

As the title said. I have a stateless component based on react-bootstrap-typeahead and a form wizard based ... help will be appreciated. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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946 views

1 answer

reactjs - Add custom theme variable object to createMuiTheme()

By default the material UI theme is a combination of several pre-defined objects such as typography: {...}, palette: {. ... : '10px 10px' } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

reactjs - Reset store after logout with Apollo client

I'm trying to reset the store after logout in my react-apollo application. So I've created a method called ... apollo client ? Thanks by advance See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

reactjs - How to set navigationOptions on stateless component with Typescript

I have a react component like const Example = () => (<View>...</View>); Using react-navigation I would ... ?; } But with no luck. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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