115 packages found

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Description

Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

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published 1.0.42 months ago
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Description

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

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published 1.2.14 months ago
M
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Description

Get the native type of a value.

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published 6.0.3a month ago
M
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Description

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

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published 2.0.22 years ago
M
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Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

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published 2.0.12 years ago
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Description

Isomorphic, functional type-checking for Javascript

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published 6.0.03 months ago
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Description

The Type Conversion Library. Numbers, Strings, Arrays, Maps, Objects, and Iterators.

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published 3.0.03 months ago
M
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Description

Wrap and validate optional values

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published 9.4.014 days ago
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Description

A simple method that will convert numbers, hex, BN or bignumber.js object into a BN.js object.

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published 1.7.03 years ago
M
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Description

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

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published 6.3.03 months ago
M
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Description

A JavaScript library for functional data transformation

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published 0.10.25 months ago
M
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Description

Determine if a JavaScript object is numeric

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published 0.3.32 years ago
M
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Description

The fast way to check if a JS object is numeric

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published 1.1.39 months ago
M
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Description

Elm-like decoders for when working with Flow types in JS

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published 1.18.114 days ago
M
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Description

Deep dive into an object to find a given value.

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published 1.2.0a year ago
M
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Description

All imaginable type checking utils with negation

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published 0.9.13 months ago
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Description

Provide basics methods for Array, Function, Number, Object and String

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published 0.4.07 months ago
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Description

Wrap and validate optional values

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published 1.0.03 months ago
M
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Description

Small check library for Node.js and the browser

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published 4.0.02 months ago
M
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Description

A set of misc utilties I find myself repeatedly re-writing between projects.

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published 0.91.13 months ago