lodash.xorby

What is lodash.xorby?

The lodash.xorby package is a utility library that provides a method to create an array of unique values that is the symmetric difference of the given arrays, using a specified iteratee to generate the criterion by which uniqueness is computed.

What are lodash.xorby's main functionalities?

Symmetric Difference with Iteratee

This feature allows you to compute the symmetric difference between two arrays, using an iteratee function to determine the criterion for uniqueness. In this example, the Math.floor function is used as the iteratee, so the comparison is done based on the floored values of the elements.

const xorBy = require('lodash.xorby');
const array1 = [2.1, 1.2];
const array2 = [2.3, 3.4];
const result = xorBy(array1, array2, Math.floor);
console.log(result); // Output: [1.2, 3.4]

Other packages similar to lodash.xorby

underscore

Underscore is a JavaScript library that provides utility functions for common programming tasks. It includes a method called 'difference' which can be used to find the difference between arrays, but it does not provide a direct method for symmetric difference with an iteratee like lodash.xorby.

ramda

Ramda is a functional programming library for JavaScript. It provides a variety of utility functions, including 'symmetricDifference', which computes the symmetric difference between two arrays. However, it does not support an iteratee function for custom comparison criteria like lodash.xorby.

README

lodash.xorby v4.2.0

The lodash method _.xorBy exported as a Node.js module.

Installation

Using npm:

$ {sudo -H} npm i -g npm
$ npm i --save lodash.xorby

In Node.js:

var xorBy = require('lodash.xorby');

See the documentation or package source for more details.