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Latest commit 0c1b485 Jun 23, 2017

README.md

Immutable Diff

Create RFC 6902 style patches between Immutable.JS data structures, such as Maps, Lists, and Sets.

Getting Started

Install immutablediff using npm or yarn:

# npm...
npm install --save immutablediff

# ...or yarn
yarn add immutablediff

You can then use it to get the diff ops between you Immutable.JS data structures.

var Immutable = require('immutable');
var diff = require('immutablediff');

var map1 = Immutable.Map({a:1, b:2, c:3});
var map2 = Immutable.Map({a:1, b:2, c:3, d: 4});

diff(map1, map2);
// List [ Map { op: "add", path: "/d", value: 4 } ]

The result of diff is an Immutable Sequence of operations

Immutable Patch

If you want to use the resulting diff to apply patches to other Immutable data structures, you can use the package immutablepatch. Source code available here