This project is part of the @thi.ng/umbrella monorepo.

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Customizable diff implementations for arrays (sequential) & objects (associative), with or without linear edit logs.

STABLE - used in production

Search or submit any issues for this package

yarn add @thi.ng/diff

// ES module
<script type="module" src="https://unpkg.com/@thi.ng/diff?module" crossorigin></script>

// UMD
<script src="https://unpkg.com/@thi.ng/diff/lib/index.umd.js" crossorigin></script>

Package sizes (gzipped, pre-treeshake): ESM: 1.15 KB / CJS: 1.21 KB / UMD: 1.24 KB

• @thi.ng/api
• @thi.ng/equiv

Generated API docs

import { diffArray } from "@thi.ng/diff";

// diff w/ default diff mode
diffArray([1, 2, 3], [1, 2, 4], "full");
// {
//     distance: 2,
//     adds: { 2: 4 },
//     dels: { 2: 3 },
//     const: { 0: 1, 1: 2 },
//     linear: [0, 0, 1,  0, 1, 2,  -1, 2, 3,  1, 2, 4]
// }

Karsten Schmidt

If this project contributes to an academic publication, please cite it as:

@misc{thing-diff,
  title = "@thi.ng/diff",
  author = "Karsten Schmidt",
  note = "https://thi.ng/diff",
  year = 2016
}

© 2016 - 2021 Karsten Schmidt // Apache Software License 2.0