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460 packages found
Detect the file type of a Buffer/Uint8Array/ArrayBuffer
Determine the specification defined classification of an object.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- type
- typeof
- native
- class
- classification
- specification
- spec
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A robust micro library for type checking. Defers to constructs' internal `[[Class]]` property rather than duck typing for excellent type detection and to avoid triggering false positives.
Determine the name of a value's constructor.
Small lib of template tags, classes, and escaping functions for working with sync or async html.
Isomorphic, functional type-checking for Javascript
A lightweight JavaScript inheritance utility.
- lighter
- type
- object
- inheritance
- prototype
- prototypal
- multiple
- swiss
- mixin
- extend
- decorate
- init
- constructor
- hidden
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Detect native Symbol.toStringTag support.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- detect
- feature
- symbol
- tostringtag
- class
- type
- typeof
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sjcl ====
- await
- io-ts
- quote
- testing
- validate
- groupBy
- util.inspect
- fetch
- .env
- exit-code
- css nesting
- busy
- $.extend
- tape
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👌 Simply get the type of an object.
A robust micro library for type checking. Defers to constructs' internal `[[Class]]` property rather than duck typing for excellent type detection and to avoid triggering false positives.
General utilities for nodejs.
Stews is a Node.JS package meant to make storing data easier by mixing parts from common data types.
Strongly-typed JavaScript object with support for validation and error handling.
Check if a value is a direct instance of a class (not inherited from)
Reusable adapter for class-validator classes
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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a fully-featured, abstract base class (ABC) implementation for JavaScript
the run-time type infomation of object
[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im
- fast-deep-clone
- regexp
- tdd
- lesscss
- forEach
- browserlist
- higher-order
- recursive
- error-handling
- dependency manager
- process
- traverse
- cache
- sorted
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