81 packages found
Test if a value is a string.
The `util.is*` functions introduced in Node v0.12.
utils for daybrush
- daybrush
- utils
- dom
- css
- color
- rgba
- hsla
- splitSpace
- splitQuoto
- splitComma
- splitBracket
- camelize
- decamelize
- now
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Common typescript ready prototypes available in both CommonJS and ECMAScript
- server-side
- client-side
- common
- typescript
- prototype
- array
- all
- any
- append
- average
- chunk
- clone
- compact
- contains
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The lodash method `_.isString` exported as a module.
Isomorphic, functional type-checking for Javascript
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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Test if a value is an array of strings.
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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Type detection beyond `typeof`
- typeof
- getType
- type detection
- isArray
- isAsyncFunction
- isBigInt
- isBlob
- isBoolean
- isCallable
- isCustomElement
- isDate
- isElement
- isElementCollection
- isEmptyObject
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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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@mozeyinedu/check is a package that contains functions that check some conditions just to preserve time for other stuff
Test if a value is an empty string.
Test whether a string contains only numeric digits.
Test whether a character belongs to the ASCII character set and whether this is true for all characters in a provided string.
Test whether a string contains only alphanumeric characters.
Test if a value is an anagram.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- anagram
- string
- isstring
- isanagram
- type
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Test if a value is a binary string.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- binary
- string
- isstring
- isbinary
- binarystring
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Test if a value is an alphagram.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- string
- alphabetical
- order
- alphagram
- anagram
- sorted
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Test whether a string contains only hexadecimal digits.