public async Task <IReadOnlyCollection <FormatSpan> > HighlightAsync(string input, CancellationToken cancellationToken)
{
if (hasUserOptedOutFromColor)
{
return(Array.Empty <FormatSpan>());
}
if (input.Equals(previousInput))
{
return(previousOutput);
}
var highlights = await promptCallbacks.HighlightCallbackAsync(input, cancellationToken).ConfigureAwait(false);
previousInput = input;
previousOutput = highlights;
return(highlights);
}
