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just-diff-apply

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just-diff-apply

Apply a diff to an object. Optionally supports jsonPatch protocol

  • 5.5.0
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  • npm
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What is just-diff-apply?

The npm package 'just-diff-apply' is a utility that allows users to apply differences between objects or arrays. It is typically used in scenarios where changes need to be tracked and applied, such as in state management or data synchronization.

What are just-diff-apply's main functionalities?

Applying differences to objects

This feature allows you to apply a set of differences to an object. In the provided code, a difference is applied to change the value of 'a' from 3 to 4.

const diffApply = require('just-diff-apply');
const obj = {a: 3, b: 5};
const diff = [{op: 'replace', path: ['a'], value: 4}];
diffApply(obj, diff);
console.log(obj); // {a: 4, b: 5}

Applying differences to arrays

This feature enables the application of differences to arrays. In the example, an element with value 5 is added at index 1.

const diffApply = require('just-diff-apply');
const arr = [1, 2, 3];
const diff = [{op: 'add', path: [1], value: 5}];
diffApply(arr, diff);
console.log(arr); // [1, 5, 2, 3]

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Package last updated on 17 Dec 2022

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