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REACTJS QUESTIONS

How to serve a React component library dependent on Styled Components to another library that also has a Styled Comopnen
How to serve a React component library dependent on Styled Components to another library that also has a Styled Comopnen
seems to work fine This is only a partial answer that I'm hoping will enable you or someone else to figure out the rest. I'm far from an expert on managing these kind of dependencies and am helping with this to further my own knowledge since I may wa
TAG : reactjs
Date : November 21 2020, 07:01 PM , By : Gael
Semantic UI React - populate dropdown with remote content
Semantic UI React - populate dropdown with remote content
this one helps. I am trying to implement a searchable dropdown (using Semantic UI React library) that is populated by matching results from the server. The user is presented with with an input box. As soon as they start typing a few characters, a req
TAG : reactjs
Date : November 21 2020, 07:01 PM , By : Jamie
Toggling font awesome Icon using React
Toggling font awesome Icon using React
I hope this helps you . You're not thinking in React yet :)Accessing the event target and imperatively manipulating the DOM bypasses React's rendering - you might as well just be using jQuery. Not that there's anything bad about that, but it's not th
TAG : reactjs
Date : November 17 2020, 07:01 PM , By : puki2411
How to this setState to set a value from function?
How to this setState to set a value from function?
wish helps you I'm having problem with settings state value with a value returned from a function. Somehow, the state only bind itself to the function itself. How can I fix this? , You'll need to use componentDidMount hook:
TAG : reactjs
Date : November 15 2020, 07:01 PM , By : Wellington Rutes
TypeScript and React - children type?
TypeScript and React - children type?
I think the issue was by ths following , In order to use in your JSX, it needs to be a function that returns ReactElement | null. That's the definition of a function component.However, it's currently defined as a function that returns React.ReactNode
TAG : reactjs
Date : November 15 2020, 07:01 PM , By : 艾浩宇
How to use Redux with React
How to use Redux with React
wish of those help In React redux usage page you can use functions like mapStateToProps and connect to do that
TAG : reactjs
Date : November 11 2020, 07:00 PM , By : delfino
How can I remove the bar in the react-select?
How can I remove the bar in the react-select?
like below fixes the issue I am trying to improve my UI for the react-select. I did some researches online, but I still cannot figure out how to remove the bar in the select. , react-select allows us to control components by doing
TAG : reactjs
Date : November 10 2020, 07:00 PM , By : nismo
How can I store a img into a MongoDB?
How can I store a img into a MongoDB?
seems to work fine You can do the following two things. Upload image to s3 and save its link in the mongoDB. More Read(https://medium.com/@fabianopb/upload-files-with-node-and-react-to-aws-s3-in-3-steps-fdaa8581f2bd). Save image in database in a Grid
TAG : reactjs
Date : November 10 2020, 07:00 PM , By : Jerry Zhao
ReactJS: setState using if else
ReactJS: setState using if else
it fixes the issue SetState is asynchronous so when you do setState the modifies value won’t be available immediately. In order to see updated state valueChange
TAG : reactjs
Date : November 10 2020, 07:00 PM , By : user5949428
React skip API request if data already exists
React skip API request if data already exists
it helps some times That's because you are settig the state incorrectly. Inside your constructor
TAG : reactjs
Date : October 25 2020, 07:10 PM , By : Edgar G
Reused React element prevents component updates
Reused React element prevents component updates
this will help Is this behaviour documented and expected in all React versions?
TAG : reactjs
Date : October 25 2020, 07:10 PM , By : BiLal ViRagist
how to change default index page to login page in react js
how to change default index page to login page in react js
seems to work fine I want to set my default index page to login instead of the dashboard in react js please help I am new to react js. , try this
TAG : reactjs
Date : October 25 2020, 07:10 PM , By : microweaver
Why does my React app append the external URL to http://localhost:/<port> and not to ONLY the URL itself?
Why does my React app append the external URL to http://localhost:/<port> and not to ONLY the URL itself?
it helps some times In my ReactJS app (create-react-app) I have an anchor tag with a good old href attribute pointing to an external URL, www.google.com, and when I click on that DOM element, the app appends the target URL to the http://localhost:300
TAG : reactjs
Date : October 25 2020, 07:10 AM , By : Nallely Galarza
How do I create a dockerized development environment for ReactJS
How do I create a dockerized development environment for ReactJS
it should still fix some issue I have developed a react app via the includes live-server and deployed it. As a proxy server I am using nginx, which also serves some static and media files for the back- and frontend. , It actually isn't too bad, just
TAG : reactjs
Date : October 25 2020, 07:10 AM , By : Arkaprabha Ghosh
implementing force update with react native apps
implementing force update with react native apps
wish helps you You can do this with CodePush. More specifically you will need to give the codePush options to install immediately.
TAG : reactjs
Date : October 25 2020, 07:10 AM , By : Hodor
React: avoid rendering component's root DOM element if DOM children are empty
React: avoid rendering component's root DOM element if DOM children are empty
To fix this issue This problem feels like it should be re-engineered. I know this is not a satisfactory solution, but children could contain literally hundreds of DOM nodes and could be intense in their depth. It does not feel prudent to embark on th
TAG : reactjs
Date : October 25 2020, 07:10 AM , By : Pinhi
Enzyme: Value props returns undefined in simulating onChange event
Enzyme: Value props returns undefined in simulating onChange event
I hope this helps you . I'm trying to simulate onChange event with simulate function. I also have passed the second argument to mock event onChange as the value is part of the event. But somehow it gives me unexpected result as value that I have pass
TAG : reactjs
Date : October 24 2020, 06:10 PM , By : Felipe Pereira de Ol
How to do Refresh in React Native ScrollView with refreshControl?
How to do Refresh in React Native ScrollView with refreshControl?
I hope this helps you . Below is the sample code in which you can find RefreshController integration with ScrollView:
TAG : reactjs
Date : October 24 2020, 06:10 PM , By : NITESH KUMAR
createBottomTabNavigator keep stackes mounted
createBottomTabNavigator keep stackes mounted
should help you out With React Navigation, Tab Navigator views are not unmounted when switching between tabs. You can see the details about the lifecycle in react-navigation in their documentation here: Navigation lifecycle - Example scenario, the im
TAG : reactjs
Date : October 24 2020, 06:10 PM , By : Emmanuel Eban
Why am I unable to access a Redux store in a child React component?
Why am I unable to access a Redux store in a child React component?
seems to work fine It is connecting, it's just that your userPosts state should actually be under state.post.userPosts, rather than state.userPosts - in the combineReducers call you've specified that that posts state should go under the post subtree.
TAG : reactjs
Date : October 24 2020, 06:10 PM , By : Usman Aziz
Possible to do a callback in setState like this in React?
Possible to do a callback in setState like this in React?
I think the issue was by ths following , I'm now to react and I'm wondering if what I've done is a bad way of creating this component. What I wonder is: Is this the correct way to do the callback in the setState? If not, where should this line $('edi
TAG : reactjs
Date : October 23 2020, 06:10 PM , By : m4t
use ownProps in mapDispatchToProp
use ownProps in mapDispatchToProp
I hope this helps . Its not you who is passing props to mapDispatchToProps, its being passed on by react-redux's connect HOC which can be useful in some ocassionsIn your case you are not using props in mapDispatchToProps and can avoid it while defini
TAG : reactjs
Date : October 22 2020, 06:10 PM , By : Tim
How to style react-native-sectioned-multi-select?
How to style react-native-sectioned-multi-select?
With these it helps I'm using react-native-sectioned-multi-select in react native. But, I couldn't do any style to that. Can anyone help me to customize and do styling for this one?
TAG : reactjs
Date : October 22 2020, 06:10 PM , By : Julie Hankins
Managing Multiple States React
Managing Multiple States React
I wish did fix the issue. State is a property which is bounded to a particular component. If you require multiple states this means you need multiple components,as you can just have one state per component.So you need to figure out which endpoints ne
TAG : reactjs
Date : October 22 2020, 06:10 PM , By : silvan9145
How to set focus after React state update/render
How to set focus after React state update/render
it fixes the issue Use a useEffect that subscribes to updates for todos and will set the focus once that happens.example:
TAG : reactjs
Date : October 22 2020, 06:10 AM , By : ztoufik
What is difference between reactstrap and react-bootstrap?
What is difference between reactstrap and react-bootstrap?
wish help you to fix your issue I have been struggling with this myself and it is as @Besart Marku says, highly opinion based. One thing that did make a diffirence for me is that reactstraps documentation uses state in alot of its code examples:
TAG : reactjs
Date : October 22 2020, 06:10 AM , By : John Hiemstra
detect the uniqueness of the usernames with Firebase and react js
detect the uniqueness of the usernames with Firebase and react js
hope this fix your issue First of all, note that there is no username property for a User. Consequently, passing an object with a username property to the updateProfile() method will not work. You need to pass an object with the displayName and photo
TAG : reactjs
Date : October 21 2020, 06:10 PM , By : Erkan Sarı
How "history" object is getting evaluated in React
How "history" object is getting evaluated in React
will help you Pleaser find below the answers of your questions using the following block of code:
TAG : reactjs
Date : October 21 2020, 06:10 AM , By : shakeee
Why is React Router not changing views on URL change?
Why is React Router not changing views on URL change?
To fix this issue I realized my error, I had "Component={}" within the Route, when it was supposed to be "component={}" (lowercase "c"). I'm posting this for all those, who have the same issue.
TAG : reactjs
Date : October 21 2020, 06:10 AM , By : Mas Noer
How to use DRACOLoader with GLTFLoader in ReactJs?
How to use DRACOLoader with GLTFLoader in ReactJs?
Hope that helps I have a use case in which I am trying to load a GLTF file which is compressed using DRACO-Compression. I am able to run it using plain javascript but I am facing issues integrating the loader with ReactJs. , Host the draco folder in
TAG : reactjs
Date : October 21 2020, 06:10 AM , By : Michael Heinisch
How do I return a json file from s3 to a specific url, but only that url
How do I return a json file from s3 to a specific url, but only that url
I hope this helps . So.... right now my s3 bucket has a file called discountCards.json - but I need that to be discountCard without the ".json"
TAG : reactjs
Date : October 20 2020, 06:10 AM , By : Zhuoran
Loading spinner with react useEffect hook and Redux and without useState hook
Loading spinner with react useEffect hook and Redux and without useState hook
hope this fix your issue I am using react hook useEffect and because I am using redux, I can't use useState in this component.
TAG : reactjs
Date : October 19 2020, 06:10 AM , By : Selva Yeskay
Jest - Could not locate module with dynamic import template string
Jest - Could not locate module with dynamic import template string
I wish this help you here's how I fixed it, the problem is that Jest for some reason, it complains when using template literals inside the dynamic import. so to fix it just use normal string concatenation and that's it.
TAG : reactjs
Date : October 18 2020, 06:10 AM , By : linwuhen
Reactjs class components not rendered but functions are rendered in IE11
Reactjs class components not rendered but functions are rendered in IE11
seems to work fine In React we write ES6 code that is newer version of java script, and some of older browser don't support it, due to that we need babel (a javascript compiler) so our jsx can be compiled into plain javascript.you can learn more abou
TAG : reactjs
Date : October 18 2020, 06:10 AM , By : Kunal Bajaj
can i use the tsx extension for test files if using react with typescript
can i use the tsx extension for test files if using react with typescript
will help you Can I use the tsx extension for test files if using React with TypeScript?
TAG : reactjs
Date : October 17 2020, 06:10 AM , By : Ahmad Hoshya
Material-ui: Difference between Expansion Panels and Collapse
Material-ui: Difference between Expansion Panels and Collapse
I hope this helps . The Collapse component doesn't display anything on its own, it describes a relationship between two other components that do. The Material UI docs explain that it is used to make the Vertical Stepper component. The Expansion Panel
TAG : reactjs
Date : October 16 2020, 06:10 AM , By : Mukesh Karn
When should I use a this.context vs Consumer in the New Context API in React?
When should I use a this.context vs Consumer in the New Context API in React?
should help you out There are not two but three ways to use context in v16.8.0 and above. The choice of which one you should use depends upon your use case.The first one i.e using static contextType is the simplest of the two to use which allows you
TAG : reactjs
Date : October 15 2020, 06:10 PM , By : ciaranmckinley
Dynamic Component with React Router
Dynamic Component with React Router
Does that help It sounds like you should make the header area its own component and then make that component a part of the Home component, but not the Topics
TAG : reactjs
Date : October 15 2020, 06:10 PM , By : the grinder
How to inherit vanilla option component in a custom option component in react-select v2?
How to inherit vanilla option component in a custom option component in react-select v2?
seems to work fine In react-select the components import needs to be done the following way:
TAG : reactjs
Date : October 14 2020, 06:10 PM , By : Bill Etra
Is there a way to see the query produced by ReactiveSearch
Is there a way to see the query produced by ReactiveSearch
This might help you You can see the prevQuery and nextQuery using onQueryChange prop. Also in v3 you can use StateProvider to get the detail of any component by passing the respective componentId. Do check the docs here.
TAG : reactjs
Date : October 14 2020, 02:00 PM , By : Dante
How to describe type scroll events?
How to describe type scroll events?
I wish this helpful for you You can use (e: React.UIEvent). Described under the UIEvent from SyntheticEvents.
TAG : reactjs
Date : October 14 2020, 01:00 PM , By : Daniel Weber
How to correctly mock React Navigation's getParam method using Jest
How to correctly mock React Navigation's getParam method using Jest
With these it helps I have a React Native app in which I'm trying to write some integration tests using Jest Enzyme. My situation is as follows, I have a component which fetches a navigation param being passed to it from the previous screen using ge
TAG : reactjs
Date : October 14 2020, 01:00 PM , By : Rushikesh Bhojane
What is the better way to update other state variable which is dependent on another state variable while re-rendering?
What is the better way to update other state variable which is dependent on another state variable while re-rendering?
This might help you You can wrap both fetches in Promise.all which will wait for both Promises to resolve, if one fails you will have no access to any Promise/s that resolves successfully and the operation will throw an error.Add componentDidUpdate t
TAG : reactjs
Date : October 14 2020, 04:00 AM , By : Beers at the Bottom
Value of state variable is lost - React
Value of state variable is lost - React
wish help you to fix your issue I want to build a CRUD in React with Laravel and Firebase. Everything is perfect when I'm working with text, but I got trouble when I try to upload an image to Firebase Storage. I can save it but I can't get its URL. ,
TAG : reactjs
Date : October 14 2020, 03:00 AM , By : Mustang Mus
How to compress the files using gzip in react app
How to compress the files using gzip in react app
like below fixes the issue Easiest way is probably to modify your package.json.Add a "postbuild" section to the scripts. For example, something like this:
TAG : reactjs
Date : October 14 2020, 02:00 AM , By : Manas Ranjan
Can we redirect to in reduxSaga
Can we redirect to in reduxSaga
wish help you to fix your issue I've a login page with HOC I pass component which must render be after successful login. , Following is the way where you can navigate from saga:saga.js
TAG : reactjs
Date : October 14 2020, 02:00 AM , By : sumit kumar
TypeError: Cannot read property 'map' of undefined (jest.js)
TypeError: Cannot read property 'map' of undefined (jest.js)
I hope this helps . There are a few things that you can do, that all aim to solve the core problem: you are not supplying a value for the employeeHobbies prop in your test.Pick one of the following:
TAG : reactjs
Date : October 14 2020, 01:00 AM , By : 4n5
How to get state data from child to parent component?
How to get state data from child to parent component?
I hope this helps you . The correct way of sharing state variables between components is through redux store. The major advantage is if you have more than just 2 components, then u can use store state in all of them and modify it by dispatching actio
TAG : reactjs
Date : October 14 2020, 12:00 AM , By : Lukas Rukštelis
Switching SubRoutes without unmounting MainRoute (React-Router-Dom)
Switching SubRoutes without unmounting MainRoute (React-Router-Dom)
To fix the issue you can do replace path='/home/collections' in nested Route components with path={`${match.path}/collections`}and also replace to='/home/collections' in links with to={`${match.url}/collections`}
TAG : reactjs
Date : October 13 2020, 11:00 PM , By : thales stoinski
Value must be set for boolean attributes with Typescript and Material UI
Value must be set for boolean attributes with Typescript and Material UI
this will help I think it is referring to this line .When you set an attribute like gutterBottom it is inferred to be gutterBottom={true}. Since you are using TypeScript, the gods are angry at you for not being explicit, so try explicitly setting the
TAG : reactjs
Date : October 13 2020, 11:00 PM , By : Boudià Ràbah
React + Firebase using hooks?
React + Firebase using hooks?
around this issue Something like this should work. I haven't really focused on your Firebase logic or returned html, but just showed how you could use the useEffect and useState hooks:
TAG : reactjs
Date : October 13 2020, 10:00 PM , By : Adam Tužinský
How to pass className style to sub component in `material-ui`?
How to pass className style to sub component in `material-ui`?
This might help you // Edited to merged stylesMUI will merge styles if you pass the classes as well as wrap the child withStyles. ie:
TAG : reactjs
Date : October 13 2020, 07:00 PM , By : Surya
How to create React hooks that forward dependencies
How to create React hooks that forward dependencies
will help you I don't think the linter complains about the deps or the callback if you don't declare your useEffect callback inline like so:
TAG : reactjs
Date : October 13 2020, 07:00 PM , By : krishna kanchi
How to deploy React (NextJS) project with docker?
How to deploy React (NextJS) project with docker?
Does that help Browser-based applications are a little orthogonal to Docker's containerization system. In typical production use you'd use a tool like Webpack to compile your application down to static files. Then nothing locally actually runs your a
TAG : reactjs
Date : October 13 2020, 06:00 PM , By : DanG
How to refetchQueries a query having an args option
How to refetchQueries a query having an args option
hop of those help? Yeah you can do this, you can also have a look at the same scenario that you want to tackle at https://www.apollographql.com/docs/react/api/react-apollographql-mutation-options-refetchQueries
TAG : reactjs
Date : October 13 2020, 06:00 PM , By : user6024149
How to fix "404" error when directly accessing a component in react
How to fix "404" error when directly accessing a component in react
I wish this helpful for you I am not sure if you need help still but I was able to work with a friend of mine at Hostinger and here is what your .htaccess file will need to include.Copy and paste exactly:
TAG : reactjs
Date : October 13 2020, 04:00 PM , By : Afsar Kamal
Cannot read property of undefined when using react hooks
Cannot read property of undefined when using react hooks
To fix the issue you can do I'm getting the error "Cannot read property 'map' of undefined" but can't work out why - map will not work because 'movies' is undefined. Can you see what I'm doing wrong? Many thanks. , You response data mybe a list or un
TAG : reactjs
Date : October 13 2020, 03:00 PM , By : S Hemalatha
React - Display message while binding data
React - Display message while binding data
this one helps. I have a user list, where i want to show 'Loading users..' if delay in binding data and 'No data found' if the result is null. How can I do that. , In your render() function you can do something like:
TAG : reactjs
Date : October 13 2020, 03:00 PM , By : ditzapasca
React show/hide content
React show/hide content
fixed the issue. Will look into that further You're setting the active location to be the same location that you've clicked already so the this.state.activeLocation === index is always true. I would refactor the locations to their own component with
TAG : reactjs
Date : October 13 2020, 02:00 PM , By : Gary R. Owens
should I use shouldComponentupdate?
should I use shouldComponentupdate?
Does that help Based on the fact that you're just comparing the current props/state to the previous props/state, you should be able to remove shouldComponentUpdate and use PureComponent. The only difference is that PureComponent does a shallow props/
TAG : reactjs
Date : October 13 2020, 01:00 PM , By : Zeppelin_Floyd

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