482 packages found

    Description

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

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    published 1.1.13 months ago
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    Get the native type of a value.

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    published 6.0.32 years ago
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    Description

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

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    published 1.2.12 years ago
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    Description

    Returns `true` if the string is upper case only.

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    published 2.0.28 months ago
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    Returns `true` if the string is lower case only

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    published 2.0.28 months ago
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    Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

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    published 2.0.23 years ago
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    Description

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

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    published 2.0.13 years ago
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    Description

    Isomorphic, functional type-checking for Javascript

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    published 7.0.02 months ago
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    Description

    boolean converts lots of things to boolean.

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    published 3.1.22 months ago
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    Description

    Wait for a condition to be true

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    published 4.1.020 days ago
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    Description

    Wrap and validate optional values

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    published 13.0.0a year ago
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    Description

    React hook providing functions for boolean state handling

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    published 1.0.26 months ago
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    Description

    Deep clones all fields of the original objects even functions.

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    published 1.0.96 days ago
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    Description

    Javascript number, string, boolean, object validator

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    published 2.0.210 months ago
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    Description

    Test if a value is a JavaScript primitive.

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    published 0.0.523 days ago
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    Description

    Convert query strings to dates for express/connect applications.

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    published 2.0.03 years ago
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    Description

    Returns `true` if the value is a primitive.

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    published 3.0.13 years ago
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    Description

    two functions: One that returns true, one that returns false

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    published 1.0.07 years ago
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