I am working on a React JS project that is using React query, https://react-query.tanstack.com/, React hooks and functional components. But it is throwing error when I use react query for API call. This is my component and how I use query within it. This is my getList API call logic When I run my code, I get …
Tag: reactjs
ES6 modules – imported constants undefined if not in React component
The only similar question I have found is this one but I can’t see how would I have caused a circular dependancy in this case: I have a file exporting constants like so: (choices array version is for using in Select inputs and the other one secures from typing errors in condition checks) payments.consta…
How Can I Simplify This JSX Conditional Code?
I´ve got this code snippet: where “buttonsType” is those enums: I´d like to know some better way, to simplify the conditional statement. Or is it possible to have it like this? Thank you. Answer I think Ray Hatfield’s answer is the cleanest solution and avoids repetitive JSX, but I’ll …
Sort desc on date and if tie then on risk in javascript array
I’ve array of objects which i want to sort first on date i.e, ‘create_date_format’ in desc & if tie then sort on risk alphabetically i.e, asc I tried lodash.orderBy(risk_list, [‘create_date_format’, ‘risk’], [‘desc’]) but as date is in string format it…
TypeError: Invalid attempt to spread non-iterable instance and Synthetic Events
I am trying to build a csv file uploader using react. I am getting the “Invalid attempt to spread non-iterable instances” error when the file is selected and I try to set the state with it. This is my code that gives that error: I assumed this was an issue with setting the state here in this onUpl…
How to Give Dynamic Routing in react js using simple array of object file
From this to>>> <Route path={“user/:id”} component={user} /> What code should i use in “User” component if useParams has id=1 then how to show only id 1, name kuber, phone 8989 Answer In the simplest way you can do it like this: in your User.js/jsx import the userData. T…
Filter array based on multiple filters
I have a table that I want to be able to apply multiple filters to. My current code will filter by email OR status but I want it to do both so a user can refine the results. I’ve tried adding && instead of || in the filteredInvoices variable. I allow the user to select the filters they want to
TypeError: if ‘false’ not working as expected
I’m doing a PWA quiz application using React.js and I’ve met the following problematic: I can get questions objects with only one answer, and some with multiple. In the case there is only one possible answer, I want to force the user to only have one possibility. To do that, I made the following a…
ReactJS Loop thru state array of object and add new field
I am learning reactjs and got an array of json object. I want to loop thru each record in the array, read the id and add/set a new field with a string value. When the looping is done, I will set the state to save the state collection. So far no luck in getting this to work. Any help is
simple toggle hook in react
I’m having problem abstracting my toggle function out to a hook. I can make the toggle right but something is wrong in this hook code: https://codesandbox.io/s/goofy-swartz-ztdfb?file=/src/App.js what’s wrong? Answer On writing this code: You actually are passing the event object to toggle functio…