typy

Minimal JavaScript type checking library

v3.3.0 URL: https://unpkg.com/typy@3.3.0/lib/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

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

has-symbols

Determine if the JS environment has Symbol support. Supports spec, or shams.

v1.1.0 URL: https://unpkg.com/has-symbols@1.1.0/index.js

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Symbol symbols typeof sham polyfill native core-js ES6

is-number

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

v7.0.0 URL: https://unpkg.com/is-number@7.0.0/index.js

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cast check coerce coercion finite integer is isnan is-nan is-num is-number isnumber isfinite istype kind math nan num number numeric parseFloat parseInt test type typeof value

type-detect

Improved typeof detection for node.js and the browser.

v4.1.0 URL: https://unpkg.com/type-detect@4.1.0/type-detect.js

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type typeof types