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Filename : Truncation.php

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<?php

namespace Laravel\Prompts\Concerns;

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).'…');
    }
}