Questions tagged [react-usememo]
169 questions
-1
votes
1 answer
useMemo Critical dependency: the request of a dependency is an expression
First, I load a Redux-connected component using React.lazy and useMemo
const Component = useMemo(() => lazy(() => import('./Component')), []);
Then, I render it depending on my route with BrowserRouter like this:
…
Pe Wu
- 533
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- 12
-1
votes
1 answer
useMemo error after building app with npm run-script build
After i use npm run-script build on my react site and run index.html browser throws error TypeError: Object(...) is not a function on this part of code {useMemo(() =>
marek
- 39
- 4
-2
votes
1 answer
Is this valid syntax in React?
I am working on a React project and in there I have to initialize a socket once the component's been mounted. For that I am using this syntax and I want to know whether or not it is valid.
function Component() {
const socket = useMemo(() => {
…
D_Gamer
- 168
- 12
-2
votes
2 answers
Render only components with changes
I have an array with thousands of strings and is passed to a component:
Main component:
const array = ['name1', 'name2', 'name3'];
const [names, setNames] = useState(array);
const onClick = (index) => {
setNames(names.map((name, i) => {
if (i…
Henny Lee
- 2,970
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