I need to combine dynamic and static routing in React. In my website i need to display bunch of products and they are displayed by using a dynamic routing <Route path={“/:products”}/> but every single product has his own ‘Install’ page but by running <Route path ={“/:pro…
Tag: reactjs
How can I avoid Array-callback-return error in my code
I want to filter through a list of items and display the items according to my filtered term. My list of items I have a input element that is a search field The search field has an onchange handler I am rendering the list items using .map helper method My state objects are as follows I want the ability to
Weird error in react – using apollo/client – graphql
I’m developing a MERNG App, and everything is working fine so far, but i’m getting some errors in the fronted with useMutations, let me explain to you. So, in the login/register part, if you leave fields empty or in the login, if your user is not found in the DB, it’ll give errors, and i rec…
Update React-D3-Graph ViewBox
So I have a dataset called actors that holds my nodes and links called scratch that looks like this… And I’m trying to make the graph show up on my react app when ran. The problem I’m having is that the viewbox is extremely small so I can’t use a much larger dataset without nodes going…
validate css properties without selector using CSSLint module Javascript
I have a textarea which is basically the CodeMirror. I want to allow the user to only type the CSS properties without selector and then validate it using CSSLint. I am not sure how I can achieve this with the help of CSSLint. For example, I want the user to type: and then validate it using CSSlint without the…
Not able to access correct value of state variable inside function in React
I have created a form in React which has a button that should redirect to the next form after validating the input data. The button looks like this: validateData function is as follows: handleSubmit function called inside validateData has the validation logic and it updates a state variable errors upon valida…
How to the modify the array of objects and return the latest updated field?
I have an object which I am getting from the DB, You can see the object which is coming from the DB This is what i’am getting from the DB. I want to modify the above object such that the it should only return latest inserted vlaue if the array of object has two same object with the same id
React State only updates when setting a useless state variable along with the necessary state variable
State is defined like so: In this case, id is totally useless. Don’t need it in my app at all. However, if I try to update items, the state variable doesn’t change and the UI doesn’t reload, unless I also update id: Why is setId necessary here? What is it doing that setItems isn’t? Ans…
Cleaning up axios useEffect function
I keep getting this error for my useEffect. How can I stop getting this warning for my function below? I’m not sure what to add in the useEffect dependency array, I’ve tried using setAppState and the state itself but still getting this warning. Answer Check if the component is still mounted before…
Add a new image with the existing image list in firestore database
I have already two images in the firestore database, I am trying to add a new image to this list? How can I add a new image to the existing image list? Answer To add another array to the postImg, you can: Also see the Firebase documentation on adding items to an array.