delegate-properties

Deep-clone properties from one object to another and make them non-enumerable, or make existing properties on an object non-enumerable.

v0.4.0 URL: https://unpkg.com/delegate-properties@0.4.0/index.js

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define define-property delegate enumerable key non non-enumerable object prop properties property value

class-utils

Utils for working with JavaScript classes and prototype methods.

v0.3.6 URL: https://unpkg.com/class-utils@0.3.6/index.js

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array assign class copy ctor define delegate descriptor extend extends inherit inheritance merge method object prop properties property prototype util utils

hasown

A robust, ES3 compatible, "has own property" predicate.

v2.0.2 URL: https://unpkg.com/hasown@2.0.2/index.js

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has hasOwnProperty hasOwn has-own own has property in javascript ecmascript

gopd

`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.

v1.2.0 URL: https://unpkg.com/gopd@1.2.0/index.js

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ecmascript javascript getownpropertydescriptor property descriptor

es-define-property

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

v1.0.1 URL: https://unpkg.com/es-define-property@1.0.1/index.js

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javascript ecmascript object define property defineProperty Object.defineProperty