is-json-media-type
is this a JSON-based media type (rfc6838)?
is this a JSON-based media type (rfc6838)?
Check if a Buffer/Uint8Array is a MIDI file
Check if a Buffer/Uint8Array is a MKV video
Check if a Buffer/Uint8Array is a MOV file
Detect if a file is a font
Check of variable data type
Calls a function when user presses a key
A type definition for the parameters in a promise.
Checks if the given token is an ES keyword.
Check if a Buffer/Uint8Array is a WEBM video
Check if a value is a VFileMessage object
Intuitive type checking functions exposed globally
Is it one?
Automatically adds datepickers to input[type=date] on IE, Firefox, and OS X Safari.
Lightweight type checker for bros.
Json Specification & Validation & Document Generation
Infer a JSON Table Schema from a readable stream of a CSV source
Format Specification for JSON & Dynamic Format Checking & Document Generation
JSON type of a value
Binary wrapper for Flow - A static type checker for JavaScript