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@types/lodash
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The @types/lodash package provides TypeScript type definitions for Lodash, a modern JavaScript utility library delivering modularity, performance, & extras. This allows developers to use Lodash in TypeScript projects with type checking and autocompletion features.
Array manipulation
Lodash provides a wide range of functions to manipulate arrays. The example demonstrates reversing an array.
import _ from 'lodash';
const array = [1, 2, 3, 4, 5];
const reversedArray = _.reverse(array);
console.log(reversedArray); // [5, 4, 3, 2, 1]
Object manipulation
Lodash allows for easy manipulation of objects, such as inverting keys and values in an object.
import _ from 'lodash';
const object = { 'a': 1, 'b': 2 };
const invertedObject = _.invert(object);
console.log(invertedObject); // { '1': 'a', '2': 'b' }
Collection iteration
Lodash provides functions like _.filter for iterating over collections and filtering them based on a condition.
import _ from 'lodash';
const users = [
{ 'user': 'barney', 'age': 36, 'active': true },
{ 'user': 'fred', 'age': 40, 'active': false }
];
const activeUsers = _.filter(users, (user) => user.active);
console.log(activeUsers); // [{ 'user': 'barney', 'age': 36, 'active': true }]
Ramda is a practical functional library for JavaScript programmers. It focuses on allowing functional programming techniques without mutating data. Compared to @types/lodash, Ramda emphasizes a more functional programming approach and immutability.
Underscore is a utility-belt library for JavaScript that provides functional programming helpers without extending any built-in objects. It's similar to Lodash in functionality but generally has fewer utilities and a smaller footprint. Lodash is often considered as a superset of Underscore with additional features and better performance.
npm install --save @types/lodash
This package contains type definitions for Lo-Dash (https://lodash.com).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/lodash.
_
These definitions were written by Brian Zengel, Ilya Mochalov, Stepan Mikhaylyuk, AJ Richardson, e-cloud, Georgii Dolzhykov, Jack Moore, Dominique Rau, and William Chelman.
FAQs
TypeScript definitions for lodash
The npm package @types/lodash receives a total of 22,594,638 weekly downloads. As such, @types/lodash popularity was classified as popular.
We found that @types/lodash demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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