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Get the native type of a value.
Infer the content-type of a request.
What is the type of this builtin JS value?
Detect the file type of a file, stream, or data
Detect the archive type of a Buffer/Uint8Array
Detect the archive type of a Buffer/Uint8Array
A utility function to get the type of a value
Determine type of a variable
A utility function to get the type of a value
Detect the audio type of a Buffer/Uint8Array
Detect the image type of an ArrayBuffer/Uint8Array
Guess type of resource based on its URL
Get the type of an AMD module used for an AST node or within a file
Get the mime type of a stream
Return the data type of an array.
Bind data arrays to any type of JS objects
TypeScript helper functions to narrow the type of object to a Node descendant
Type assertions aka less-broken typeof.
complete type checking for node
Validate the type of arguments passed through the function.