object-is

ES2015-compliant shim for Object.is - differentiates between -0 and +0

v1.1.6 URL: https://unpkg.com/object-is@1.1.6/index.js

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is Object.is equality sameValueZero ES6 ES2015 shim polyfill es-shim API

is-plain-object

Returns true if an object was created by the `Object` constructor, or Object.create(null).

v5.0.0 URL: https://unpkg.com/is-plain-object@5.0.0/dist/is-plain-object.js

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check is is-object isobject javascript kind kind-of object plain type typeof value

@sindresorhus/is

Type check values

v7.0.1 URL: https://unpkg.com/@sindresorhus/is@7.0.1/index.js

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type types is check checking validate validation utility util typeof instanceof object assert assertion test kind primitive verify compare typescript typeguards types

is-plain-obj

Check if a value is a plain object

v4.1.0 URL: https://unpkg.com/is-plain-obj@4.1.0/index.js

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object is check test type plain vanilla pure simple

is-accessor-descriptor

Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.

v3.0.5 URL: https://unpkg.com/is-accessor-descriptor@3.0.5/index.js

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accessor check data descriptor get getter is keys object properties property set setter type valid value