Showing 1-20 of 79,290 packages
Tree utilities which provides a full-featured extend and object-cloning facility, and various tools to deal with nested object structures.
Source code handling classes for webpack
Adds a static `extend` method to a class, to simplify inheritance. Extends the static properties, prototype properties, and descriptors from a `Parent` constructor onto `Child` constructors.
TypeScript definitions for clone
A utility for managing a prototype chain
A library to make errors.
JSON parse with prototype poisoning protection
List of properties for JavaScript objects
Does a JS type's prototype have a property
Return the prototype of a provided object.
Really Fast Deep Clone
Fastest way for creating null-prototype objects in JavaScript
Prototype related utils
Tap plugin that adds a heaping pile of assertion methods. Pretty much all of the "test" methods other than `t.pass`, `t.fail`, and [snapshot methods](https://tapjs.github.io/tapjs/modules/_tapjs_snapshot.html) come from this plugin.
Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?
Merges the enumerable properties of two or more objects deeply.
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Lighthouse Stack Packs
Push an array of items into an array, while being robust against prototype modification
List of prototype properties for JavaScript types