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75 packages found
Type check values
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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A vanilla JavaScript library for checking the type of variables in a more robust and accurate way than the typeof operator
- vanilla javascript
- types
- type
- type checking
- type checking library
- type checking module
- true type checking
- typeof
- typeof library
- typeof module
- typeof checking
- typeOf
- isString
- isNumber
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List of all javascript types. Used and useful for checking, validation, sanitizing and testing. Like isStream, isPromise, isWeakset and etc.
- bool
- boolean
- buffer
- check
- checking
- error
- is
- is-boolean
- is-buffer
- is-error
- is-promise
- is-stream
- json
- kind
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Extended JavaScript Type Validator
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.
A lean, zero dependency library to provide a useful base for your project. Checksums, cryptography, codecs, date-times, error-checking-codes, logging, pseudorandom number generation. The tools you need for any project. Secure build pipeline, provenance
- call
- watchFile
- awesomesauce
- encryption
- exit-code
- utility
- bdd
- typeerror
- parse
- intrinsic
- ratelimit
- 6to5
- parent
- reducer
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Simple, Lightweight type checking of multiple arguments
👺 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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Get the type of a variable or one unevaluated operand
Type checking, for when you only use JavaScript's Good Parts.
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.
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
- View more
typyts is a library to safely access nested object.
Type check values. This is a fork of sindresorhus/is, but with CommonJS support.
A lean, zero dependency library to provide a useful base for your project. Checksums, cryptography, codecs, date-times, error-checking-codes, logging, pseudorandom number generation. The tools you need for any project. Secure build pipeline, provenance
- Object.defineProperty
- glob
- environments
- password
- WeakSet
- types
- fastcopy
- ECMAScript 2016
- ponyfill
- omit
- typanion
- arktype
- make
- macos
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JS variable type checking
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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