I’ve seen code similar to the following: collection.OrderBy(x => x.StartDate == null ? 0 : 1).ThenBy(x => x.CreatedDate).To list(); I have Googled and searched this site and I can’t find any explanation for what this does. Normally I order by a field in the collection by property name. Can someone please explain to me what… Read More Using Ternary Operator in OrderBy Entity Framework

I have array var A = [‘aa’, ‘bb’, ‘cc’];. If Boolean callFilter is true, I want to call .filter(x => x ===’bb’) on it, if its false I want to call .concat(‘dd’). Is there a way other than var result; if(callFilter){ result = A.filter(x=> x === ‘bb’); } else { result = A.concat(‘dd’); } console.log(result)… Read More JS call a different method on array depending on boolean

Why is my SupposedId type below not a type identity? Typescript is complaining that Type ‘T’ is not assignable to type ‘SupposedId<T>’. How comes T cannot be assignable to either T or T, what am I missing? type SupposedId<T> = T extends object ? T : T; function makeId<T>(test: T): SupposedId<T> { return test //… Read More Typescript ternary operator breaks identity type

Every answer I’ve seen on this uses the ternary operator which only allows for two conditions if/else. But I have this below component where I need three separate classes applied conditionally. I want it to apply no class if selected is false, to apply ‘toggle-user’ if it is selected and roleTable is false, and to… Read More Can you apply three different classes to a React component conditionally?

How can i call two functions in a ternary operator? I tried it by adding a && but then it does only call the first function and ignores the second. e.g. setState(date) && dispatch(paypal_error({ time: date })) Here is the full code const handleDateChange = (date) => { setDisablePing(true); const minutes = parseInt(dayjs(date).format(‘HH’) * 60)… Read More React ternary operator how to call 2 functions?

I have tried writing the array of objects using ternary but still I am thinking to refactor the common properties between them if someone could help me with this would be helpful. const{address } = A data: conditionalValue ? [ { text: text }, { building: address }, { ‘ ‘: pincode } ]: [… Read More Need Some help to refactor or optimize the code in javascript object

let e2 = count2 > 2 ? "😓" : count2 > 5 ? "🙂" : count2 > 8 ? "😍" : "😖"; let e3 = count3 > 2 ? "😓" : count3 > 5 ? "🙂" : count3 > 8 ? "😍" : "😖"; let e4 = count4 > 2 ? "😓" : count4 >… Read More how to shorten repetitive if else statement in single function in react js

I got this line of code here. text={image.alt + " " + (uniqueLight.includes(image.id) ? uniqueLight.indexOf(image.id) : uniquePlug.indexOf(image.id))} The third part of the text which is the ternary part, basically counts the number of elements I selected. As you can see, the conditional branch starts with uniqueLight and if I initally select an element from uniqueLight… Read More JavaScript Ternary Operator does not work when the first condition runs through else branch

I am quite stuck in a refactored ternary operator while learning react. Here is the code I came across inside a JSX: {props.openSpots === 0 && <div className="card–badge">SOLD OUT</div>} I would like to ask why this will return the card–badge div? I am only familiar with the complete common ternary operator that looks like this… Read More Refactoring the ternary operator

I am newbie in TypeScript+ReactJS In my code Ternary operator does not work as I expect. This is my code: import React, { SyntheticEvent,useRef,useState } from "react"; import Result from ‘./Result’; //main application const App:React.FC=()=>{ const [searchResult,setSearchResultState]=useState<Array<Object>>([]); const setSearchResultFunc = (value:Array<Object>)=>{ setSearchResultState(value); } return ( <section id="App"> <SearchPanel setResult={setSearchResultFunc}/> { (searchResult===[]) ?"" :<Result result={searchResult}/>} <footer… Read More Ternary operator in Typescript based Reactjs does not work as I expected