<?php
namespace LaravelPromptsConcerns;
use InvalidArgumentException;
trait Truncation
{
/**
* Truncate a value with an ellipsis if it exceeds the given width.
*/
protected function truncate(string $string, int $width): string
{
if ($width <= 0) {
throw new InvalidArgumentException("Width [{$width}] must be greater than zero.");
}
return mb_strwidth($string) <= $width ? $string : (mb_strimwidth($string, 0, $width - 1).'…');
}
}