1767 packages found

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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 7.0.05 months ago
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A small, fast, easy-to-use library for arbitrary-precision decimal arithmetic

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published 5.2.22 months ago
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ES2015 Number.isNaN() ponyfill

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published 1.0.12 years ago
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ES2015 Number.isFinite() ponyfill

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published 1.0.22 years ago
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Returns `true` if the value is a primitive.

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published 3.0.16 months ago
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Convert number to fraction

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published 1.2.23 years 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 2.0.29 months ago
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A library for arbitrary-precision decimal and non-decimal arithmetic

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published 8.0.1a month ago
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Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`

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published 6.0.05 months ago
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Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

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published 4.0.25 months ago
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Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.

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published 2.3.28 months 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 2.0.1a year ago
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ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

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published 1.2.03 months ago
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Convert milliseconds to a human readable string: `1337000000` → `15d 11h 23m 20s`

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published 4.0.03 months ago
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Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

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published 1.0.34 years ago
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An arbitrary-precision Decimal type for JavaScript.

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published 10.0.22 days ago
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A simpler (and smaller) rewrite of Google Android's popular libphonenumber library

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published 1.6.98 days ago
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Check if a value is a natural number

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published 4.0.13 years ago
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The up-to-date and reliable Google's libphonenumber package for node.js.

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published 3.2.117 days ago