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48 packages found
TypeScript typeof utility helper with no dependencies.
- typescript
- util
- typeof
- type guards
- isArray
- isBase64
- isBoolean
- isDate
- isDateValid
- isDefined
- isError
- isFunction
- isGuid
- isInfinity
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The lodash method `_.isBoolean` exported as a module.
Set of shortands of Object.prototype.toString for fast and simple type check
Type detection beyond `typeof`
- typeof
- getType
- type detection
- isArray
- isAsyncFunction
- isBigInt
- isBlob
- isBoolean
- isCallable
- isCustomElement
- isDate
- isElement
- isElementCollection
- isEmptyObject
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Test if a value is a boolean.
Common JavaScript/TypeScript helper functions for better minification
👺 weak but accurate type checking that returns a string representation of input's type
- type
- types
- coerce
- coercion
- checker
- check
- flow
- typing
- typeof
- typeov
- detection
- ispromise
- isnumber
- isinfinity
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check whether value is undefined or empty or null
- validation-checking
- validation checking
- validation
- data validation
- object empty checking
- array empty checking
- isArrayEmpty
- isEmptyArray
- isObjectEmpty
- isEmptyObject
- is array
- is object
- is number
- is boolean
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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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Curried TypeScript type guards for primitive types and classes
- TypeScript
- type guards
- type
- guard
- isBoolean
- isNumber
- isString
- isSymbol
- isNull
- isUndefined
- isPrimitive
- isNonPrimitive
- is
- isLike
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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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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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Collection of methods for check
- isArray
- isBoolean
- isDate
- isFunction
- isNull
- isNumber
- isObject
- isString
- isUndefined
- isElement
- isEmpty
- isEmail
- isNaN
- isRegExp
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This library provides next util: isBoolean, isFunction, isNumber, isNumbers, isObject and isString, function can be object, number can not be NaN.
Simple type checker in JavaScript.
- utils
- util
- type checking
- type checker
- type
- checker
- isAlpha
- isAlphanumeric
- isArguments
- isArray
- isBoolean
- isDate
- isDecimal
- isDefined
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Suite of 43 lightweight utilities designed to maintain a small footprint when bundled, without compromising on ease of integration and use.
- clone
- cloneDeep
- merge
- isEqual
- isStrictEqual
- isMatch
- get
- set
- update
- parsePath
- capitalize
- join
- shuffle
- flatten
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Node toolkit adding some helpful functions: files, array, string, color, math ...
- screwdriver
- toolkit
- screwdriver toolkit
- node toolkit
- math functions
- file functions
- string functions
- array functions
- color functions
- time functions
- mkdir
- mkdirp
- mkdirpSync
- isBoolean
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Test if a value is an array-like object of booleans.
A collection of JavaScript type checks.
JavaScript library to check data types
- types
- type
- check
- type-check
- type-checker
- typechecker
- isBoolean
- isObject
- isNull
- isDate
- isFunction
- isRegExp
- isArray
- isNumber
- View more