kind-of

Get the native type of a value.

v6.0.3 URL: https://unpkg.com/kind-of@6.0.3/index.js

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arguments array boolean check date function is is-type is-type-of kind kind-of number object of regexp string test type type-of typeof types

isobject

Returns true if the value is an object and not an array or null.

v4.0.0 URL: https://unpkg.com/isobject@4.0.0/index.cjs.js

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check is is-object isobject kind kind-of kindof native object type typeof value

is-extendable

Returns true if a value is a plain object, array or function.

v1.0.1 URL: https://unpkg.com/is-extendable@1.0.1/index.js

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array assign check date extend extendable extensible function is object regex test

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

is-fullwidth-code-point

Check if the character represented by a given Unicode code point is fullwidth

v5.0.0 URL: https://unpkg.com/is-fullwidth-code-point@5.0.0/index.js

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fullwidth full-width full width unicode character string codepoint code point is detect check east-asian-width