add method
Adds a new Spinner to current MultiSpinner.
Implementation
SpinnerState add(Spinner spinner) {
final index = _spinners.length;
_lines.add(StringBuffer());
spinner.setContext(
BufferContext(
buffer: _lines[index],
setState: _render,
),
);
_spinners.add(spinner.interact());
final state = SpinnerState(
done: () {
final disposer = _spinners[index].done();
_dispose(() {
_disposers.add(disposer);
});
return disposer;
},
);
return state;
}