is-sandwich

is-sandwich (short for "Iceland Sandwiches") tells you whether a thing is a sandwich. Here you go:

var isSandwich = require('is-sandwich');
 
isSandwich('hot dog', function(error, decision) {
  // decision = true / false
});

Or, on the command line:

$ is-sandwich 'hot dog'
No.

Installtion

$ npm install is-sandwich