tiny-deep-equal

Tiny & Fast deep-equal check with various ES6 objects.

• No dependencies.
• Tiny bundle size. (NPM Minified: 1.4kB, Gzipped: 586B)
• Support for both CJS and ESM.
• Typescript based code, support type declarations.
• Comprehensive test coverage.

Install

• Requirements: Node>=16.19.0

1$ yarn add tiny-deep-equal // yarn
2$ npm install tiny-deep-equal --save // npm
3$ pnpm install tiny-deep-equal // pnpm

Usage

1// esm
2import equal from 'tiny-deep-equal';
3
4equal({ a: 1, b: { c: 1 } }, { a: 1, b: { c: 1 } }) // true
5
6// cjs
7const equal = require('tiny-deep-equal');
8
9equal({ a: 1, b: { c: 1 } }, { a: 1, b: { c: 1 } }) // true

tiny-deep-equal supports various objects with ES6.

+0 & -0

1equal(+0, -0) // true

Set & Map

1const set1 = new Set([1, 2, 3]);
2const set2 = new Set([1, 2, 3]);
3
4equal(set1, set2) // true
5
6const map1 = new Map();
7const map2 = new Map();
8
9map1.set('a', 1);
10map2.set('a', 1);
11
12equal(map1, map2) // true

RegExp

1const regex1 = /(?:foo)/g;
2const regex2 = /(?:foo)/g;
3
4expect(equal(regex1, regex2)) // true

ArrayBuffer

1const buffer1 = new Uint8Array([1, 2, 3]);
2const buffer2 = new Uint8Array([1, 2, 3]);
3
4expect(equal(buffer1, buffer2)) // true

Error

1const err1 = new Error('error!');
2const err2 = new Error('error!');
3
4expect(equal(err1, err2)) // true

BenchMark

1$ pnpm run benchmark:performance

Test

1$ pnpm run test

License

MIT