Recent questions tagged Reactjs

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reactjs - Apollo GraphQl Storing derived data

Some context: I'm developing a React JS app that reads geographic points out of a database and graphs/maps them in ... I haven't thought of... 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 test async components with Jest?

can anyone tell me how to wait in jest for a mocked promise to resolve when mounting a component that calls ... haven't gone through yet. 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 - Trigger modal shown for React Bootstrap

http://react-bootstrap.github.io/components.html#modals - I am looking for a way to find the trigger event ... react-bootstrap source 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 - React devtools "highlight updates" in V4

Did they remove the ability to highlight updates in React Dev Tools V4? I can't seem to find it anywhere. I do miss it so. You know, this thing? 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 - Unable to fetch data from local json file by axios

I am using axios library for fetching data from the local json file but when i make get request it gives me error ... do i solve this 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 - React Router v4 replace history when component is unmounted

I have a app which has the Following Components |__Base - /home/Base |__Try - /home/Base/:try |__Report - ... i replace the history stack ? 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 - Simulate keydown on document for JEST unit testing

Using JEST to unit test a component that has a keydown listener attached to the document. How can I test this in ... }); // handler not invoked 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 - Why does my component keep rendering in all routes?

I am attempting to render a component when I enter a url that does not exists. However, the component keeps ... routes that are not defined? 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 - ... has no compatible call signatures

i get the no compatible call signatures error and dont know what to do to make it work. React-State this ... has no compatible call signatures. 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 set state of a react component with a specific item from a returned json object?

This is a follow up question to the previous thread How to return json data to a react state? My react ... and nothing else. Thanks much! 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 - Redux Toolkit: Unable to get access to the error message sent from the server

I have a Products component, that makes a GET request to '/api/products'. At the backend, in the route ... ); }; export default Products; 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 store react component in state and pass a callback function

I have a problem where I'm trying to store a component into my state and also pass a callback function as its ... I can do it here. 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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reactjs - Is React onClick more like a JavaScript addEventListener than like a standard JavaScript onclick attribute?

In React is it better to think of onClick as setting an eventListener rather than as a standard JavaScript onclick ... way to think about it? 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 test if a prop is passed to child?

My component looks something like this: (It has more functionality as well as columns, but I have not ... declared inside columns property. 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 use public method updatePosition of react-virtualized?

The docs: https://github.com/bvaughn/react-virtualized/blob/master/docs/WindowScroller.md#updateposition But I ... element size changed? 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 cache data that I already requested and access it from the store using React and Redux Toolkit

How can I get data from the store using React Redux Toolkit and get a cached version if I already requested it ... with a Redux Toolkit slice? 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 - Making the window to different data type in React testing library

I am trying to test a reusable hook for checking the window resize has been triggered or not. I was using Enzyme for my unit ... )); }); }); }); 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 - Is it really necessary to clear the timers before unmounting the component?

Usually timers will be cleared before unmounting the component from DOM. But what would be the side effects if we forgot to clear the timers? 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 - Can't set breakpoints on NPM Link'ed library

I learn React JavaScript and now I have this problem I Fork the notistack library in GitHub then download my fork ... need to check and do? 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 - Why is this not scoped in React form onSubmit function?

In my React component I have a form with onSubmit function <form className="form-horizontal" name="taskForm" ... scope of the react component? 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 - validateDOMNesting warning React

I have a React component that is clickable as a whole, but also contains buttons inside. So something like < ... what would be the workaround? 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: How to get children as string?

I am writing documentation for a a couple of components we are building, so the doc (which is also a react ... ? Or maybe a better solution? 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 set an static outlined div similar to Material-UI's outlined textfield?

I want wrap some TextFields in a outlined container and I found this answer. This work as i want: But when I ... is welcome. Thanks in 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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reactjs - Keyboard dismisses while typing TextInput in nested functional component React Native

I have this strange issue, keyboard keeps closing while typing when TextInput is placed inside Child Functional ... directly to render method. 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 Access parent component name

I want to get the parent component name inside the child component to display a error message when validating ... help would be 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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reactjs - Why do I always get a cors error that wildcard * is not allowed, although I specified a origin on the server?

I created a simple graphQL Chat with Apollo Server and Apollo Client. It also uses session cookies so I ... .com/SelfDevTV/graphql-simple-chat 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 - Import bootstrap but only into one component

I have a React web site using a local scss compiled to css file. But now I want in one and only one of ... sheet); then it can be added again 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 Package not found but found on website

so I am trying to install https://www.npmjs.com/package/@progress/kendo-react-grid the package exists on ... /2018-03-13T20_30_15_208Z-debug.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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