isEmpty
Check if a value is empty (null, undefined, empty string, array, or object).
Installation
npx react-usekit@latest init
Select: utils → TypeScript or JavaScript → path -> isEmpty
Usage
import { isEmpty } from "./utils/isEmpty";
function App() {
const emptyString = "";
const emptyArray = [];
const emptyObject = {};
const nonEmpty = "hello";
return (
<div>
<p>Empty string: {isEmpty(emptyString) ? "true" : "false"}</p>
<p>Empty array: {isEmpty(emptyArray) ? "true" : "false"}</p>
<p>Empty object: {isEmpty(emptyObject) ? "true" : "false"}</p>
<p>Non-empty string: {isEmpty(nonEmpty) ? "true" : "false"}</p>
</div>
);
}
API
Parameters
Parameter | Type | Description |
---|---|---|
value | any | The value to check |
Returns
Type | Description |
---|---|
boolean | True if the value is empty, false otherwise |