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185 packages found
for when you need certainty over speed
A handful tool to check if an argument is not an array built on top of a very famous library isarray.
Utility library for javascript type checking.
- type checking
- type predicates
- isCallable
- isFunction
- isArrowFunction
- isArray
- isObject
- isBoolean
- isUndefined
- isNumber
- isString
- isSymbol
- isNull
- isMap
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check if a instance is an array or not
Utility functions for managing data structures and measurement.
Simple and light-weight JavaScript type checker that brings convenience!
- is-array
- isArray
- is-bigint
- isBigint
- is-blob
- isBlob
- is-boolean
- isBoolean
- is-date
- isDate
- is-error
- isError
- is-file
- isFile
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Determines whether the passed value is an Array.
js各种类型判断工具/A type tool for javascript。 原typest归属账号neo***8迁移到本npm下。
- isWindow
- isNumber
- isDef
- isUnDef
- isObject
- isEmpty
- isDate
- isNull
- isNullAndUnDef
- isNullOrUnDef
- isPromise
- isString
- isFunction
- isBoolean
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A small set of functions to check value against a specific type
- type
- check
- guard
- isNumber
- isArray
- isString
- checker
- isFinite
- undefined
- null
- primitive
- isFunction
- function
- isUndefined
if it's not an array, wrap it in an array. if it's already an array, do nothing.
js各种类型判断工具/A type tool for javascript
- isWindow
- isNumber
- isDef
- isUnDef
- isObject
- isEmpty
- isDate
- isNull
- isNullAndUnDef
- isNullOrUnDef
- isPromise
- isString
- isFunction
- isBoolean
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helper tools for javascript validation
- Full code documentation
- code coverage
- jest tests
- validation
- data validation
- data type checker
- lodash alternative
- utilities
- utils
- library helpers
- tools
- isEmpty
- isArray
- arraySize
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The fast and reliable JS type-checking toolbox!
- type
- utils
- javascript
- typechecking
- isArray
- isArrayLike
- isBoolean
- isFunction
- isNull
- isNumber
- isObject
- isObjectLike
- isPlainObject
- isString
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Returns whether 'value' is an Array.
Small utility to check variable types
- typechecker
- typeverifier
- types
- type
- check
- gettype
- isstring
- isregexp
- isregex
- isobject
- iserror
- isnumber
- isdate
- isarray
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Additional ESLint rules.
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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An is-array polyfill for legacy browsers.
Basic type checker
- type
- check
- typecheck
- vanilla
- javascript
- typescript
- isArray
- isBoolean
- isDom
- isEmpty
- isFunction
- isInt
- isNumber
- isNumeric
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Type check in TypeScript
- type
- typescript
- is-arguments
- is-array
- is-array-buffer
- is-array-buffer-view
- is-blob
- is-boolean
- is-buffer
- is-date
- is-error
- is-file
- is-float32-array
- is-float64-array
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