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deep-object-diff

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deep-object-diff

Deep diffs two objects, including nested structures of arrays and objects, and return the difference.


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What is deep-object-diff?

The deep-object-diff npm package is designed to help developers identify differences between two JavaScript objects. It provides detailed insights into what has changed, including additions, deletions, and updates, making it particularly useful for tasks such as tracking state changes or debugging.

What are deep-object-diff's main functionalities?

Deep Diff

Calculates the deep difference between two objects, returning an object that represents the changes. In this example, it would output `{ b: 3 }`, indicating that the value of `b` has changed from `2` to `3`.

const { diff } = require('deep-object-diff');
const original = { a: 1, b: 2 };
const updated = { a: 1, b: 3 };
console.log(diff(original, updated));

Detailed Diff

Provides a detailed difference between two objects, categorizing the changes into added, deleted, and updated properties. The output for this example would be an object with `added`, `deleted`, and `updated` keys, showing that `b` was updated, `c` was added, and no keys were deleted.

const { detailedDiff } = require('deep-object-diff');
const original = { a: 1, b: 2 };
const updated = { a: 1, b: 3, c: 4 };
console.log(detailedDiff(original, updated));

Deleted Diff

Identifies properties that have been deleted from the original object. In this case, the output would be `{ c: 3 }`, indicating that `c` was present in the original object but is missing in the updated object.

const { deletedDiff } = require('deep-object-diff');
const original = { a: 1, b: 2, c: 3 };
const updated = { a: 1, b: 2 };
console.log(deletedDiff(original, updated));

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Package last updated on 12 Nov 2022

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