I took the example from the documentation : But on every change or on submit, I got undefined for each field I tried to install the library again but nothing change and I got undefined everywhere…seems to be a problem with the register function. Does anybody got the same issue ? Answer With v7 the usage…
Tag: reactjs
Import SASS variables into Material UI theme with NextJS
In my project I have the following files: materialTheme.ts palette.scss I want to de-duplicate these files. I thought I could import the variables from palette.scss into materialTheme.ts but Next.JS throws an error about only importing global CSS into _app.tsx materialTheme.ts (not working) Is there any way I…
reactjs context reducer increment data
How to increment the array value inside the object. I tried the code below but It’s removing the garments array and replacing it with shirts: Nan value Answer You’re trying to spread the properties of your garments array into your new booking object, however, as state doesn’t have a garments…
gatsby-image-background using v3 gatsby-image
I am trying to make gatsby-background-image work with v3 of gatsby-plugin-image. I have followed documentation and found I should be using gbimage-bridge. For some reason it doesn’t seem to work. My query works fine when testing in ide. I have tried to change my query and consts in all sorts of ways but…
How can i loop object in useEffect React js
Here is my code! I want loop object in useEffect! I have a task to edit data! so for that I created a state and using useEffect I am taking data and showing values on input fields! but data I want to show that is images! and here is the JSON that I am taking! Here I need to loop
setState to update an interface array
I need to update an array of address inside the User interface. I am trying to use setState to update the address from UI form. I have tried the following: However I am getting the following error: Type ‘Address | undefined’ is not assignable to type ‘Address’. Type ‘undefined&…
React testing mock variable in functional component
Please help. I cannot run test because in my util langProvider is package that drops tests. I have to mock langProvider function or strings variable. How I can do that? My test file Answer not sure, but you can try to insert in your test file before describe function, something like that:
Fixing ‘index.js:1 Warning: Using UNSAFE_componentWillReceiveProps in strict mode is not recommended and may indicate bugs in your code’ in react
I have this higher order component which recieve a comp of volunteer for ex and an action, and then render a table with the volunteer info: the volunteer comp code: and the HOC code is: it works fine but i am getting this warning: There are similiar question about this , but did not find the solution there, a…
Stopping propogation of button that contains tooltip with link not working on Button
I am using the Material UI Button Component and in the button, there is text. And right next to that text, I have a tooltip. And in that tooltip, there is a link to an article. The idea is that I want the user to have a chance to be able to click the ‘read more’ link inside the tooltip
React toggle button only works once?
I am learning React Reducer now. I want to build a toggle button that changes a boolean completed value to its opposite each time I click the button. What I have is an array of states, each state is an object with an id and a completed value set to be true or false. Then I loop through states, setting