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58 packages found
Type detection beyond `typeof`
- typeof
- getType
- type detection
- isArray
- isAsyncFunction
- isBigInt
- isBlob
- isBoolean
- isCallable
- isCustomElement
- isDate
- isElement
- isElementCollection
- isEmptyObject
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Curried TypeScript type guards for primitive types and classes
- TypeScript
- laboriosam
- ipsa
- guard
- voluptas
- isNumber
- deserunt
- isSymbol
- isNull
- sequi
- isPrimitive
- isNonPrimitive
- eos
- isLike
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👺 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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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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Test if a value is null.
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 a given object is null or empty
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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Coalesce for JavaScript. Returns the first value that is not undefined or null.
Small utility to check variable types
- typechecker
- typeverifier
- types
- type
- check
- gettype
- isstring
- isregexp
- isregex
- isobject
- iserror
- isnumber
- isdate
- isarray
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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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Useful simple functions.
- usf
- useful
- simple
- functions
- capitalize
- sanitize-and-capitalize
- capitalize-first
- sanitize
- reverse
- isNull
- isNotNull
- isEmpty
- isNotEmpty
- isBlank
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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
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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a practical custom toolkit
- snows
- snows_l
- utils
- splitChunk
- arr2tree
- arr2percentage
- isDecimal
- decimalLen
- num2chineseStr
- numToMoneyFormat
- num2micrometer
- removeMicromete
- randomNum
- transformEmail
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javaScript-stand-supplement
- browser
- typeof
- isnull
- isarray
- ismap
- isset
- isasyncfunction
- isgenenratorfunction
- querystring
- serialize
- location search
- extend
javaScript-stand-supplement
- browser
- typeof
- isnull
- isarray
- ismap
- isset
- isasyncfunction
- isgenenratorfunction
- querystring
- serialize
- location search
Test if a value is undefined or null.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- undefined
- void
- null
- is
- isundefined
- isnull
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