Questions tagged [destructure]
21 questions
5
votes
4 answers
How to de-structure an enum values in typescript?
I have an enum in typescript like below:
export enum XMPPElementName {
state = "state",
presence = "presence",
iq = "iq",
unreadCount = "uc",
otherUserUnreadCount = "ouc",
sequenceID = "si",
lastSequenceID = "lsi",
timeStamp = "t",
…
SeyyedKhandon
- 5,197
- 8
- 37
- 68
5
votes
4 answers
How to destructure this Array
How do I destructure width and height if they have been declared before?
function test() {
let height
let width
const viewBox = '0 0 24 24'
const sizeArr = viewBox.split(' ')
// ESLint is telling me to destructure these and I don't know…
Ross Moody
- 773
- 3
- 16
4
votes
2 answers
How to destructure for loop parameters into array of fixed size?
I am trying to put the parameters in a for loop into array of FIXED size. This is what I have been doing (I want to use a array @m of 3 elements):
for (1..19).rotor(3, :partial) -> @m { say @m; } # works, but I cannot specify size of @m
However,…
lisprogtor
- 5,677
- 11
- 17
3
votes
1 answer
Can I unpack/destructure a typing.NamedTuple?
This is a simple question so I'm surprised that I can't find it asked on SO (apologies if I've missed it), and it always pops into my mind as I contemplate a refactor to replace a tuple by a NamedTuple.
Can I unpack a typing.NamedTuple as arguments…
Cai
- 1,726
- 2
- 15
- 24
1
vote
1 answer
Can you destructure a result from an SWR query?
I have a very simple query to an external API:
const fetcher = (...args) => fetch(...args).then(x=>x.json())
const {data:{results}, error} = useSWR("https://xxxxxxxxxxxxxxxx",fetcher)
Whenever I use it like this to destructure the data variable,…
Joe
- 1,076
- 3
- 10
- 17
1
vote
2 answers
How to destructure n items from a vec into variables?
In JavaScript, I can destructure an array in the following way:
const [first, second, ...rest] = myArray
Is there a similar way to achieve this in rust?
If I only want one element, it's easy. I can do:
let first = my_vec[0];
or if I make an array…
Emanuel Lindström
- 1,607
- 16
- 25
1
vote
4 answers
How to merge two array of object into one array of object based on key?
i'm trying to merge two array of object based on key. two array of object like this,
let array1 = [
{
name: "Deepak",
age: 20
},
{
name: "John",
age: 30
}
]
let array2 = [
{
name:…
Nandha
- 37
- 5
1
vote
1 answer
cannot destructure because of Object is not iterable in Reactjs
I wanna destructure the basket quantity in the navbar span tag but i bump into the eror: "TypeError: Object is not iterable (cannot read property Symbol(Symbol.iterator))". it is in this line:
| } from "./StateProvider";
5 |
6 | function…
na ha
- 175
- 1
- 8
1
vote
3 answers
How does a complete check function work in ReactJs?
I'm making a todo list and I don't really understand this whole complete check function, like where does the item come from and so...can anybody help me to explain! Thank you so much for helping me!
This is the function:
const handleComplete =…
Babilon
- 21
- 3
1
vote
2 answers
Why does my input still stay after i hit Submit?
After i type in the searchbox and hit the button, my input still stays in the searchbox. I was given a mistake as "TypeError: todos is not iterable
onFormSubmit". I did install the uuid. Anything wrong with my codes? Can anybody help me? Thank you…
suga sunshie
- 107
- 2
- 7
0
votes
0 answers
Exclude Falsy values from discriminated union
Ideally I'd want an explicit false when there's no error and exclude all Falsy values from error when there is an error:
type Result = { result: T; error: false } | { result?: T; error: E }
type User = {
name: string
}
export const…
André Casal
- 1,012
- 1
- 11
- 25
0
votes
2 answers
ReactJS props.onchange destructuring
How to fix the following props destructure for ReactJS without having to turn off "react/destructuring-assignment"? Thanks.
const AutocompleteField = (props) => {
const { ...rest } = props
const { control, handleSubmit, errors, setError } =…
Kok How Teh
- 3,298
- 6
- 47
- 85
0
votes
0 answers
why this deconstructuring return array's length?
I can't find description about this code in JS...
let arr = [3, 1, 5, 1, 2, 1, 1];
let { length } = arr;
console.log(length);
why this code work like arr.length and how should I call it?
vaaast_lake
- 11
- 2
0
votes
0 answers
Exporting a destructured object possible?
I'm writing an ESmodule and have the following code:
const object = {
key1: 'test',
key2: 'test2',
}
export {
...object
}
It seems you can't export a destructured object?
Is there a workaround that would look clean?
Justin
- 623
- 1
- 10
- 24
0
votes
1 answer
How to destructure an Array from an Object in Redux React?
I am using redux and I want to destructure teamMembers - Array from an Object name - teamData which I am getting from REDUX. This is what I have done below. I just want to confirm whether is this the right way to do.
const teamData =…
user16511963