Fast deep equal

Fastest deep equal comparison for React. Great for React.memo & shouldComponentUpdate. Also really fast general-purpose deep comparison.

node's assert.deepEqual algorithm except for NaN being equal to NaN

Does a shallow comparison of two objects, returning false if the keys or values differ.

Javascript utility for calculating deep difference, capturing changes, and applying changes across objects; for nodejs and the browser.

Small, fast, zero dependency deep object and array comparison

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

The lodash method `_.isNumber` exported as a module.

like `deeper` and `deepest`, but less strict, and with 90s flavor

Promisify an event by waiting for it to be emitted

The lodash method `_.pick` exported as a module.

The Lodash method `_.isEqual` exported as a module.

Temporary files and directories

JavaScript test spies, stubs and mocks.

JavaScript's functional programming helper library.

Improved deep equality testing for Node.js and the browser.

Modern native Git hooks

Lodash modular utilities.