how to use the castarray function from the lodash library in typescript

To use the castArray function from the lodash library in a TypeScript file, you will need to first install the lodash library as a dependency:

index.ts
npm install --save lodash
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Once installed, you can import the castArray function from the lodash library:

index.ts
import { castArray } from 'lodash';
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The castArray function can be used to ensure that a value is returned as an array. If the value is already an array, it is returned as-is. If the value is not an array, it is wrapped in an array and returned.

Here is an example of how to use the castArray function in TypeScript:

index.ts
const someValue: string = 'hello';
const someArray: string[] = castArray(someValue);

console.log(someArray); // outputs: ['hello']
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In this example, someValue is a string, but we want it to be wrapped in an array. We pass someValue to the castArray function, which checks if it is already an array. Since it is not, castArray wraps it in an array and returns it as someArray.