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Add Array, Numbers, Object and String prototypes in your project.
JavaScript/TypeScript extensions for Array, Set, and String prototypes
Add custom global string prototypes
**Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).
Some common prototypes for node.js: string.startsWith(), object.countProperties() and more. Facilities for functional programming with objects: object.forEach(), object.filter(). Functions are added safely using Object.defineProperty().
Get callsites from the V8 stack trace API
Tree utilities which provides a full-featured extend and object-cloning facility, and various tools to deal with nested object structures.
This packages is a collection of utilities and helper functions
A node.js package for Steven Levithan's excellent dateFormat() function.
Rapidly create HTML prototypes of GOV.UK services
Design patterns for HMRC frontends
This module provides basic ANSI color code support, to allow you to format your console output with foreground and background colors as well as providing bold, italic and underline support.
GOV.UK Step by Step Pattern for the GOV.UK Prototype Kit
cli for mastra
string contains methods that aren't included in the vanilla JavaScript string such as escaping html, decoding html entities, stripping tags, etc.
Executes a callback for each property found on a object, recursively on nested properties, with options regarding enumerability (enumerable or non-enumerable) and ownership (inherited or only own properties). It excludes built-in properties from Object an
coding is fun
Secure and size-limited in-memory cache for Node.js and browsers
px-core offers many short uses to make javascript easy to use. For example, it includes ajax, crypto, search, insert, delete and sort in json, Array and String prototypes, input - replace and focus events, and many utilities.
A JSON polyfill for older JavaScript platforms.