Questions tagged [immutability-helper]
23 questions
0
votes
1 answer
can not update state with immutability helper
i have object in my state and nested object inside parent object, and updating objects in state may cause state mutating and lots of answers adviced to use immutability-helpers, (react-addons-update)
this is my state:
this.state = {
…
iLiA
- 3,053
- 4
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0
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0 answers
React setState not passing updated state data as prop to component render?
I am a React beginner, trying to make a card game app (using 'react-dnd' for drag and drop functionality).
The board state (where the cards are placed) of this app is a 4x4 grid, stored as a 2d array
(Initial examples are truncated)
this.state = {
…
damon
- 2,687
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0 answers
setState changes the state but the value in textfield does not change
I have dynamic number of textfileds and i saved the values to those textfields in an array. At first the values get populated with data from server using immutability helper but when i want to edit the textfiled it does not change. when I print the…
0
votes
0 answers
Using immutability-helper, how to set the property of an instance of a class without cloning other fields?
Here is an example:
class ExampleClass {
private x: number;
private ary: number[];
constructor(x, ary = []) {
this.x = x;
this.ary = ary;
}
public getX() {
return this.x;
}
public setX(x) {
…
Sagar B Hathwar
- 536
- 6
- 18
0
votes
1 answer
Typescript + immutability-helper #set
I've come to join the typescript wagon and i wantede to keep using this immutability-helper lib when im updating my redux store, but for some reason now i get this error when im trying to execute a update?:
[ts] Argument of type '{ flags: {…
Nopzen
- 566
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0 answers
Best way to update nested array using immutability-hepler
I'm using immutability-helper to update state, in React. I used to update things like this:
const newElement = update(element, {
x: {
$apply: function(x) {
return x * width;
}
},
…
Oscar Cabrera Rodríguez
- 211
- 2
- 14
0
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1 answer
immutability-helper - Stuck on manipulating simple objects
I have two types of manipulations I would like to make with immutability-helper, but I am very stuck.
I have this data, mocking the results from an API:
var test_data = {
title: "Potato",
sounds: [
{ sound_name: "Fork", id: 27 },
{…
Grapehand
- 19
- 5
0
votes
1 answer
Immutability-Helper Updating One Property but not Others?
I have a jsx style that looks like this:
let styles = {
appBarStyle: {
display: 'flex',
flexWrap: 'nowrap',
WebkitFlexFlow: 'nowrap',
flex: '1 1 0%',
alignItems: 'center',
justifyContent:…
VikR
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