var glTFloader  = new GLTFLoader();
var dracoLoader = new DRACOLoader();

dracoLoader.setDecoderPath( '/examples/js/libs/draco' );
glTFloader.setDRACOLoader( dracoLoader );

// Load model
glTFloader.load('link/to/yourModel', function(gltf) {

  // load model here...

});