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kind-of

Get the native type of a value.

doowb
published version 6.0.3, 5 years ago2146 dependents licensed under $MIT
482,465,304

fill-range

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`

jonschlinkert
published version 7.1.1, a year ago2525 dependents licensed under $MIT
367,849,132

to-regex-range

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

jonschlinkert
published version 5.0.1, 6 years ago2476 dependents licensed under $MIT
337,046,529

is-number

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

jonschlinkert
published version 7.0.0, 7 years ago2882 dependents licensed under $MIT
385,870,537

braces

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.

jonschlinkert
published version 3.0.3, a year ago2671 dependents licensed under $MIT
370,418,073

es-to-primitive

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

ljharb
published version 1.3.0, 6 months ago1374 dependents licensed under $MIT
166,810,583

decimal.js

An arbitrary-precision Decimal type for JavaScript.

mikemcl
published version 10.5.0, 4 months ago3303 dependents licensed under $MIT
109,510,012

big.js

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

mikemcl
published version 7.0.1, a month ago7391 dependents licensed under $MIT
99,128,905

has-values

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

jonschlinkert
published version 2.0.1, 7 years ago820 dependents licensed under $MIT
102,826,508

has-value

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

jonschlinkert
published version 2.0.2, 7 years ago856 dependents licensed under $MIT
102,457,073

strnum

Parse String to Number based on configuration

amitgupta
published version 2.1.1, 9 days ago224 dependents licensed under $MIT
94,201,897

is-negative-zero

Is this value negative zero? === will lie to you

ljharb
published version 2.0.3, a year ago1428 dependents licensed under $MIT
91,733,866

bignumber.js

A library for arbitrary-precision decimal and non-decimal arithmetic

mikemcl
published version 9.3.0, a month ago8727 dependents licensed under $MIT
70,575,056

micromark-util-decode-numeric-character-reference

micromark utility to decode numeric character references

wooorm
published version 2.0.2, 6 months ago28 dependents licensed under $MIT
38,426,473

libphonenumber-js

A simpler (and smaller) rewrite of Google Android's libphonenumber library in javascript

catamphetamine
published version 1.12.8, 16 days ago2478 dependents licensed under $MIT
33,658,025

is-nan

ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

ljharb
published version 1.3.2, 4 years ago80 dependents licensed under $MIT
31,738,221

pretty-ms

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

sindresorhus
published version 9.2.0, 6 months ago1328 dependents licensed under $MIT
37,794,544

typical

Isomorphic, functional type-checking for Javascript

75lb
published version 7.3.0, 6 months ago76 dependents licensed under $MIT
24,554,942

decimal.js-light

An arbitrary-precision Decimal type for JavaScript.

mikemcl
published version 2.5.1, 5 years ago4992 dependents licensed under $MIT
28,528,892

num2fraction

Convert number to fraction

yisi
published version 1.2.2, 10 years ago134 dependents licensed under $MIT
19,988,991