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3005 packages found
Test if a value is an array-like object.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- array-like
- is
- isarraylike
- object
- obj
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Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
- array
- assert
- assertion
- async
- async function
- async-function
- asyncFunction
- bool
- boolean
- browser
- check
- check-type
- checking
- class
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Check if the given value is of a specific type.
- check
- type
- typeof
- isArray
- isNumber
- isObject
- isNull
- isUndefined
- isNil
- isBoolean
- isString
- array
- number
- object
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Test if a value is iterator-like.
Determine wether something is an object, with TypeScript support.
Checks if the given value is a window object.
Functions to create, process and test objects, maps, arrays, sets
Type safe assertions that work just as well in production run-times as they do in testing.
Check if a variable in a nested object is defined and optionally also check its type. Useful for verifying API responses.
[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]
- es8
- findLastIndex
- RxJS
- BigUint64Array
- ECMAScript 2022
- assign
- language
- reducer
- less
- types
- concatMap
- package.json
- Int32Array
- ajv
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Type check values. This is a fork of sindresorhus/is, but with CommonJS support.
Type checking utils.
- entries
- exit
- real-time
- throat
- style
- querystring
- streams2
- descriptor
- coercible
- url
- terminal
- check
- function
- promises
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Good judgment of object type.
Test if a value is an arguments object.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- arguments
- args
- isarguments
- array-like
- object
- obj
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Performs detailed Object evaluation to determine Object type.
<div align="center"> <h1> <nobr> <a href="https://storybookjs.github.io/storybook-addon-console"> <img src="https://github.com/storybookjs/storybook-addon-console/raw/master/docs/logo.png" alt="logo" height="140"> </a> <img src="http
- private data
- whatwg
- compiler
- search
- package manager
- byte
- Microsoft
- matchAll
- output
- packages
- mkdirp
- preserve-symlinks
- aws
- typed
- View more
[](https://www.npmjs.com/package/@ryniaubenpm/esse-repellat-excepturi)  [](https://github.com/dramaorg/psychic-couscous/actions?query=workflow%3Avalidate) [![codecov](ht
- dom-testing-library
- @@toStringTag
- japanese
- iterate
- es2016
- testing
- make
- Function.prototype.name
- es-abstract
- figlet
- classname
- indicator
- electron
- .env
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<p align="center"> <a href="https://github.com/kollorg/minima-perferendis-ipsa"> <img width="200" src="./static/logo.svg"> </a> </p>
- path
- typed array
- proxy
- workspace:*
- commander
- ascii
- stringify
- crypto
- nested css
- exit
- intrinsic
- jasmine
- ArrayBuffer#slice
- typesafe
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- characters
- call-bind
- testing
- efficient
- yaml
- accessibility
- operating-system
- number
- chinese
- flatMap
- CSS
- ES2019
- bundler
- karma
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