356 packages found

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

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published 1.2.13 months ago
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Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

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published 1.0.1a month ago
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Returns `true` if the string is upper case only.

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published 2.0.12 months ago
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Returns `true` if the string is lower case only

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published 2.0.12 months ago
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Get the native type of a value.

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published 6.0.313 days 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 2.0.22 years ago
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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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Isomorphic, functional type-checking for Javascript

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published 6.0.02 months ago
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Parse dotenv files for Boolean, Array, and Number variable types, built for CrocodileJS

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published 0.2.35 months ago
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boolean converts lots of things to boolean.

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published 3.0.02 months ago
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A container that allows to store and manipulate an array of spans (or intervals).

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published 1.0.15 months ago
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Wrap and validate optional values

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published 6.0.06 days ago
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Middleware for describing and validating your REST API routes using JSON schemas.

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published 3.7.1a year ago
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Returns `true` if the value is a primitive.

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published 3.0.12 years ago
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Description

Wait for a condition to be true

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published 3.1.010 months ago
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Description

convert data to swagger format

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published 0.0.25 months ago
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Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

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published 6.3.02 months ago
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Convert query strings to dates for express/connect applications.

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published 2.0.02 years ago
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Boolean's react client library to make it easy to start using feature flags

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published 0.7.06 months ago
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Description

If provided condition is false, throw and error.

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published 1.0.02 months ago