`Object.defineProperty`, but not IE 8's broken one.

Define a lazily evaluated property on an object

Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

An object schema merger/validator

JSON becomes real things. Define your catalog, register your components, let AI generate.

Returns an object with on-event callback props curried with provided args.

Define (or modify) an object property.

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

definePropsRefs feature from Vue Macros.

defineProps feature from Vue Macros.

Processes each properties of an object deeply.

Access deep object properties using a path

Library of primitives focused around component props.

An optimised way to copy'ing an object. A small and simple integration

Babel plugin that replaces member expressions and typeof statements with strings

A simple and composable way to validate data in JavaScript (and TypeScript).

Merge objects & other types recursively. A simple & small integration.

Reuse objects and functions with style

JSS plugin that ensures style properties extend each other instead of override