getFileMimeType

Returns the MIME type of a file, guessed by its extension.
Returns an empty string on failure.
This is an offline method.
Can be called before authorization.
Can be called synchronously.

getFileMimeType(file_name, callback, data)

Field	Type	Description
file_name	string	The name of the file or path to the file.

Example

• Get the MIME type of a file, guessed by its extension.

  getFileMimeType('/tmp/photo.jpg')

  Response:

  {
    ["@type"] = "text",
    text = "image/jpeg"
  }