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kind-of

Get the native type of a value.

doowb
published version 6.0.3, 5 years ago2104 dependents licensed under $MIT
460,886,279

has-symbols

Determine if the JS environment has Symbol support. Supports spec, or shams.

ljharb
published version 1.1.0, 5 months ago2208 dependents licensed under $MIT
288,618,846

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 ago2874 dependents licensed under $MIT
368,468,906

is-plain-object

Returns true if an object was created by the `Object` constructor, or Object.create(null).

trysound
published version 5.0.0, 5 years ago2609 dependents licensed under $MIT
204,357,648

type-detect

Improved typeof detection for node.js and the browser.

chaijs
published version 4.1.0, 9 months ago1394 dependents licensed under $MIT
153,598,137

isobject

Returns true if the value is an object and not an array or null.

trysound
published version 4.0.0, 6 years ago1728 dependents licensed under $MIT
199,913,718

has-bigints

Determine if the JS environment has BigInt support.

ljharb
published version 1.1.0, 4 months ago1160 dependents licensed under $MIT
161,256,033

@sindresorhus/is

Type check values

sindresorhus
published version 7.0.1, 8 months ago336 dependents licensed under $MIT
93,591,563

koalas

Coalesce for JavaScript. Returns the first value that is not undefined or null.

doowb
published version 1.0.2, 8 years ago23 dependents licensed under $MIT
13,334,918

component-type

Type assertions aka less-broken `typeof`

sindresorhus
published version 2.0.0, a year ago149 dependents licensed under $MIT
7,990,757

is-primitive

Returns `true` if the value is a primitive.

jonschlinkert
published version 3.0.1, 7 years ago256 dependents licensed under $MIT
12,758,456

ow

Function argument validation for humans

sindresorhus
published version 2.0.0, a year ago506 dependents licensed under $MIT
4,262,223

is-number-like

Checks whether provided parameter looks like a number

vigour-io
published version 1.0.8, 8 years ago29 dependents licensed under $ISC
4,835,841

is-lite

A tiny javascript type testing tool

gilbarbara
published version 1.2.1, a year ago76 dependents licensed under $MIT
2,956,307

@stdlib/utils-constructor-name

Determine the name of a value's constructor.

stdlib-bot
published version 0.2.2, 9 months ago17 dependents licensed under $Apache-2.0
2,026,705

@stdlib/assert-is-object-like

Test if a value is object-like.

stdlib-bot
published version 0.2.2, 9 months ago15 dependents licensed under $Apache-2.0
2,029,260

@stdlib/assert-has-tostringtag-support

Detect native Symbol.toStringTag support.

stdlib-bot
published version 0.2.2, 9 months ago7 dependents licensed under $Apache-2.0
2,110,704

is-type-of

complete type checking for node

fengmk2
published version 2.2.0, 5 months ago513 dependents licensed under $MIT
2,013,140

get-object

Get a property from an object using dot (object path) notation.

jonschlinkert
published version 0.2.0, 10 years ago16 dependents licensed under $MIT
1,336,600

@stdlib/utils-native-class

Determine the specification defined classification of an object.

stdlib-bot
published version 0.2.2, 9 months ago31 dependents licensed under $Apache-2.0
2,109,815