dequal

A tiny (247B) utility to check for deep equality

This module supports comparison of all types, including Function, RegExp, Date, null, undefined, and NaN values.
Objects and Arrays are traversed recursively.

Please note that key order within Objects does not affect the result.
However, the value order within Arrays does matter.

This module exposes two module definitions:

• ES Module: dist/dequal.mjs
• CommonJS: dist/dequal.js
• UMD: dist/dequal.min.js

Install

$ npm install --save dequal

Usage

const dequal = require('dequal');

dequal(1, 1); //=> true
dequal({}, {}); //=> true
dequal('foo', 'foo'); //=> true
dequal([1, 2, 3], [1, 2, 3]); //=> true
dequal(dequal, dequal); //=> true
dequal(/foo/, /foo/); //=> true
dequal(null, null); //=> true
dequal(NaN, NaN); //=> true
dequal([], []); //=> true
dequal(
  [{ a:1 }, [{ b:{ c:[1] } }]],
  [{ a:1 }, [{ b:{ c:[1] } }]]
); //=> true

dequal(1, '1'); //=> false
dequal(null, undefined); //=> false
dequal({ a:1, b:[2,3] }, { a:1, b:[2,5] }); //=> false
dequal(/foo/i, /bar/g); //=> false

API

dequal(foo, bar)

Returns: Boolean

Both foo and bar can be on any type.
A Boolean is returned indicating if the two were deeply equal.

License

MIT © Luke Edwards