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Library to check variable type and properties in object.
Check if a Buffer/Uint8Array is a ZIP file
Check types
Check if a Buffer/Uint8Array is a BZIP2 file
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
- View more
Check if a Buffer/Uint8Array is available for cwebp image source
Check url is file
A little library for asserting types and values, with zero dependencies.
- type
- types
- type-check
- type-checking
- duck-typing
- arguments
- parameters
- values
- data
- contract
- assert
- check
- verify
- safe
Check if a String/Buffer is TTF
Check if a String/Buffer/ArrayBuffer is OTF
Check if a Buffer/Uint8Array is EOT
Check if a Buffer/Uint8Array is a MP3 file.
Check if a Buffer/Uint8Array is a wav file.
Check if a Buffer/Uint8Array is a m4a file.
Check if a Buffer/Uint8Array is WOFF
Check if a Buffer/Uint8Array is an OGG file.
Check if a Buffer/Uint8Array is a FLAC file.
Type check values: `is.string('🦄') //=> true`
Check if a buffer/Uint8Array is a woff2 file
Check if a Buffer/Uint8Array is a APNG (Animated PNG) image