I am creating a list of menu items using React. I want to test that when a user clicks or presses enter on an item, the onSelect prop is called. Here is a simplified version of my component: Here is my test: When running the tests I get the following output: How can I test that onSelect was called when
Tag: reactjs
Is it is possible to test only one function from component with Jest?
I have react component, for example something like this: And I’m trying to write test that should looks like this: Can I mock useState, useContext and useLocation from <MyComponent/> and pass my custom data instead of real data from real component? Answer After deeper researching I’ve unders…
Smooth scrolling when clicking an anchor link on react/next.js
Is it possible using only CSS to make smooth scrolling when clicking an anchor link in react component? Answer There’s this: Source But I feel like JS does a better job: So you could give that a try: docs
Why the same button animation cannot use inside form?
I tried to add an animation for my form submit button on my Todo list. Unfortunately, the same button animation works outside form, but inside form only can hover the text. I have no idea where the problem is? Answer The background color doesn’t let you see the animation, just comment it;
Next.js site has favicon in chrome but not in brave
I’m developing my first next.js site and I’m setting the favicon in index.js as follows: Originally I was using a setup where my source files were all in the root directory. I now decided to move them to a src directory. Since then I have observed the following two weird behaviors: The site has a …
Pass onClick to each image using map function
I am looking to pass an onClick function to each image element created using the map function. So that when a user clicks the thumbnail image it changes the main image to the thumbnail that was clicked. Right now however it seems like the onClick function is being called without even being clicked and the ima…
Selected option not persisting – React
Have a simple drop down list being populated from an axios request. It is working outside of the fact that the actual selected item in the “Select a team” drop down does not persist when selected and the default value “Select a team” continues to show. What am I missing here, any help …
Update Javascript code to Typescript to fix implicitly error
I’m working on my first react (Typescript) project and there is an issue with my code below. I’m getting this error – Parameter ‘name’ implicitly has an ‘any’ type.ts(7006) Bellow is my full code How can I fix this so that works without me needing to set “noImpl…
React: Separate array of timestamps into days
My API (NotesData) returns an array of objects where one of the key/value pairs is a PostgreSQL timestamp formatted like 2022-04-12T19:25:39.950747+00:00. I am creating a timeline of notes, where each object in the array is its own note with its own timestamp. So far, I have mapped over the array to create a …
How do I force label and dropdown to be on same line?
I want to force the dropdown and the label to be on the same line. How can I force this. Because for now I get the label : Taste above the dropdown. CustomDropdown: Answer Try this. or display:flex