function hasBinary (obj) {
	  if (!obj || typeof obj !== 'object') {
	    return false;
	  }
	
	  if (isArray(obj)) {
	    for (var i = 0, l = obj.length; i < l; i++) {
	      if (hasBinary(obj[i])) {
	        return true;
	      }
	    }
	    return false;
	  }
	
	  if ((typeof Buffer === 'function' && Buffer.isBuffer && Buffer.isBuffer(obj)) ||
	    (typeof ArrayBuffer === 'function' && obj instanceof ArrayBuffer) ||
	    (withNativeBlob && obj instanceof Blob) ||
	    (withNativeFile && obj instanceof File)
	  ) {
	    return true;
	  }
	
	  // see: https://github.com/Automattic/has-binary/pull/4
	  if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) {
	    return hasBinary(obj.toJSON(), true);
	  }
	
	  for (var key in obj) {
	    if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {
	      return true;
	    }
	  }
	
	  return false;
	}
Checks for binary data.

Supports Buffer, ArrayBuffer, Blob and File.

@param {Object} anything
@api public