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

To use the entries function from the lodash library in TypeScript, you need to install the lodash library and add it to your project dependencies.

index.ts
npm install lodash
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Then, you can import the entries function from the lodash library and use it in your TypeScript code with the help of generics to define the types.

index.ts
import { entries } from 'lodash';

interface Person {
  name: string;
  age: number;
}

const person: Person = {
  name: 'John',
  age: 30,
};

// Without generics
const personEntries: [string, string | number][] = entries(person);

// With generics
const personEntries: [keyof Person, Person[keyof Person]][] = entries(person);

console.log(personEntries);
// Output: [['name', 'John'], ['age', 30]]
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In the above example, we define an interface Person with two properties name and age. We then create an object person of type Person.

We can use the entries function from the lodash library to convert the person object into an array of key-value tuples, where the key is the property name and value is the property value.

We can use TypeScript generics to define the types of the key and value of the resulting array to be the same as the keys and values of the Person object.

Note that without generics, the entries function returns an array of string and string | number tuples where the first element is the property name and the second element is the property value. With generics, we can ensure that the resulting array has the correct types based on the original Person interface.

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