62 packages found

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The `util.is*` functions introduced in Node v0.12.

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published 1.0.25 years ago
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Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

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published 7.0.03 years ago
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👺 weak but accurate type checking that returns a string representation of input's type

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published 1.2.63 months ago
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The lodash method `_.isNumber` exported as a module.

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published 3.0.35 years ago
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Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

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published 7.17.04 months ago
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The fast and reliable JS type-checking toolbox!

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published 1.0.189 months ago
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A simple test to see if a value is a non-infinite number.

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published 1.0.08 years ago
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TypeScript typeof utility helper with no dependencies.

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published 1.2.13 months ago
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check if the argument is a number or not

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published 1.1.1a month ago
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Curried TypeScript type guards for primitive types and classes

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published 0.7.08 months ago
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Validates if a value is a number.

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published 1.0.36 years ago
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Common typescript ready prototypes available in both es5 and es6

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published 2.0.18 days ago
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Description

This is a JavaScript utility. It returns `true` if the value is a string number written in fixed notation and in decimal base.

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published 2.0.22 years ago
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Validates if a value is a number primitive, excluding NaN.

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published 1.0.06 years ago
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Description

Determine whether a value is a number or not.

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published 1.0.110 months ago