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

To use the uniqBy function from the lodash library in TypeScript, follow these steps:

  1. First, install the lodash library by running the following command in your project directory:
index.ts
npm install lodash
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  1. Import the uniqBy function from the lodash library at the top of your TypeScript file:
index.ts
import { uniqBy } from 'lodash';
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  1. Call the uniqBy function and pass in an array and a property to use for comparison. For example:
index.ts
interface User {
  id: number;
  name: string;
  email: string;
}

const users: User[] = [
  { id: 1, name: 'John', email: 'john@example.com' },
  { id: 2, name: 'Jane', email: 'jane@example.com' },
  { id: 3, name: 'John', email: 'john.doe@example.com' }
];

const uniqueUsers = uniqBy(users, 'name');
console.log(uniqueUsers);
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In this example, the uniqBy function is called with an array of users and the 'name' property to use for comparison. The function returns an array of unique users based on their name.

Hope this helps!

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