Recent questions tagged Reactjs

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reactjs - Why do we need to export the connect method for it to work?

If i try to connect a component without exporting directly it fails to connect. Example: connect(mapstatetoprops, ... this make any difference? 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 - React NextJS Firebase error refresh Firebase App named '[DEFAULT]' already exists

I started a project and occurred an error when importing firebase in more than one component. In this firebase ... exists (app/duplicate-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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reactjs - How to mock a third party react-native component with jest?

I am using the NumericInput and it works fine when I run the application on my device. However, when I run jest ... going on here o_0? 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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reactjs - Adding 'onClick' function to a MapContainer from 'react-leaflet' in typescript file

In a Typescript file, I can t import 'Map' from 'react-leaflet' and easily fixed it with 'MapContainer'. ... Anyone knows a simple quick fix? 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 - npm test error for create-react-app

I'm getting this error when I run npm run test for a create-react-app application for the sample test provided. ... .onchange (fs.js:1406:11) 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 - Argument of type 'string | null' is not assignable to parameter of type 'string'

I am very beginner in typescript. I am trying to get my local storage variable auth value. I know variable in local ... > </React.Fragment> ) } 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 - React Conditional Rendering

I'm trying to figure out conditional rendering in React. If there are no movies in the user's watchlist, i just want ... )}} </Container> ); } 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 import abcjs in Next.js

I have a simple project import Music from '../components/music'; export default function Home() { return ( < ... it doesn't solve the issue 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 - how can I make custom auto generated IDs for documents in firestore

For my project I need ids that can be easily shared, so firestores default auto generated ids won't work. I am ... chosen in range 0 to 9999999. 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 - How to describe the method in a React component with interface of TypeScript?

I am a freshman with typescript. I don't understand this error in my code. I use the IProps to describle the props of ... .. return (...); } } 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 - 404 Error when trying to fetch json file from public folder in deployed create-react-app

I have a json file in my react project public folder like this public | |___Data | test.json In my .tsx file ... did not work for me either. 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 - Experiencing compile error with a higher order component's mapState function that returns an object within an object

30/11/2019 Updated the code sandbox with the solution here. Original Question asked on 28/11/2019 I am trying to ... 'HocProps[P]'.ts(2345) 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 - Remove items form the list in React js

I am creating a To-do app & I am not able to write the code for deleting the elements of the list when we click them. ... } </ul> </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 - Jest/Enzyme Error: "Method 'setState' is only meant to run on a single node. 3 found instead."

I'm fairly new to testing with Enzyme/Jest on a React application, so perhaps there's something wrong with the ... in advance for any help. 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 - Issues with suggestion list in botframework Webchat React

I just added autosuggestion/autocomplete function in my bot-framework web chat(v-4) using react.js. But there are ... the images in below links, 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 - Convert string to React JSX

Goal: I want to convert strings including React components into fully-functional JSX. The easier example, for which ... long strings of JSX. 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 material ui createStyles

I'm trying to transform my css from a less file to material createStyles and i can't get my ... div className={styles.missionStatusLibelle}> 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 - How do I fix "useEffect has a missing dependency" in custom hook

I'm using a custom hook to get pull some data in from an API for use across a set of React function components ... data; }; export { useFetch }; 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 - React syntax error when adding class properties

I'm writing a react app with babel and webpack. It's been going along well until I tried to add a ... had methods declared on the class. 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 - Change the tick color in MuiCheckbox material UI

I can't seem to find a way to change the tick color in Material UI MuiCheckbox All the Demos show how to change ... the color of the tick only? 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 - Lodash debounce isn't preventing dispatch as expected onChange

Currently, I have a list of checkboxes that onChange will make a request to the server to return some data. ... production.min.js"></script> 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 - How to upload an image to google drive using gapi and react

I'm trying to upload an image to google drive. I followed this tutorial for uploading files, I can upload a ... image to drive? Thank you!! 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 - Get ref from connected redux component withStyles

I have this export of a working component: export default connect( mapStateToProps, actions, null, { withRef: true, ... do I get this ref? 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 - Typescript React: Union type for props does not display error when providing excess properties

I am trying to use a union type for the props of a React component type Props = | { type: "string" ... types as the props for react components? 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 - Material-UI 4.1.2 Styling Select SelectInput

I want to alter the style of the SelectInput. I'm using a class based component. I set it up this way: const ... use that to target what I want. 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 - Rendering a firestore timestamp in react

I have been trying for months to figure out how to display a firestore timestamp in react. In December 2019, ... output a date from firestore? 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 - React semantic-ui Dropdown onChange not working

Here's the code: class MenuContainerComponent extends Component { onInputWidgetMenuChange(event, data) { console.log( ... on menu selection. 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 - React router doesnt reach redirect

I have a page that has tabs on it. When I navigate to the page on my app I push to the base app. Ie. ... the redirect to /feed on initial load. See Question&Answers more detail:os...

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

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