Skip to content
TanStackDB

deepEquals

ts
function deepEquals(a, b): boolean;

Defined in: packages/db/src/utils.ts:43

Deep equality function that compares two values recursively Handles primitives, objects, arrays, Date, RegExp, Map, Set, TypedArrays, and Temporal objects

Parameters

a

any

First value to compare

b

any

Second value to compare

Returns

boolean

True if the values are deeply equal, false otherwise

Example

ts
deepEquals({ a: 1, b: 2 }, { b: 2, a: 1 }) // true (property order doesn't matter)
deepEquals([1, { x: 2 }], [1, { x: 2 }]) // true
deepEquals({ a: 1 }, { a: 2 }) // false
deepEquals(new Date('2023-01-01'), new Date('2023-01-01')) // true
deepEquals(new Map([['a', 1]]), new Map([['a', 1]])) // true
Edit on GitHub
Core API Reference