useList
Manage and manipulate lists with useList.
Install:
npm i @uidotdev/usehooks
Description:
The useList hook is useful for managing and manipulating lists in a React component. It encapsulates the list state and provides a set of convenient methods to modify the list. By using this hook, you can easily initialize a list with a default value and access various methods to add, remove, update, or clear elements within the list.
Parameters
| Name | Type | Description |
|---|---|---|
| defaultList | array | The initial list of elements. Default is an empty array. |
Return Value
The useList hook returns an array with two elements:
| Name | Parameters | Description |
|---|---|---|
[0] | The current list of elements. | |
[1].set | l: array | Replaces the entire list with a new array l. |
[1].push | element: any | Appends the element to the end of the list. |
[1].removeAt | index: number | Removes the element at the specified index from the list. |
[1].insertAt | index: number, element: any | Inserts the element at the specified index in the list. |
[1].updateAt | index: number, element: any | Replaces the element at the specified index with the element. |
[1].clear | Removes all elements from the list. |
Demo:
Example:
import { useList } from "@uidotdev/usehooks";
import ListDemo from "./ListDemo";
export default function App() {
const [list, { set, push, removeAt, insertAt, updateAt, clear }] = useList([
"First",
"Second",
"Third",
]);
return (
<section>
<header>
<h1>UseList</h1>
<button
disabled={list.length < 1}
className="link"
onClick={() => insertAt(1, "woo")}
>
Insert After First
</button>
<button
disabled={list.length < 2}
className="link"
onClick={() => removeAt(1)}
>
Remove Second Item
</button>
<button className="link" onClick={() => set([1, 2, 3])}>
Reset
</button>
<button className="link" onClick={() => clear()}>
Clear
</button>
</header>
<ListDemo
list={list}
updateAt={updateAt}
push={push}
removeAt={removeAt}
/>
</section>
);
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