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📄 DrawsBoxes.php(1.82 KB)
📄 DrawsScrollbars.php(1.54 KB)
📄 InteractsWithStrings.php(1.28 KB)

Editing: DrawsScrollbars.php

<?php

namespace Laravel\Prompts\Themes\Default\Concerns;

use Illuminate\Support\Collection;

trait DrawsScrollbars
{
    /**
     * Render a scrollbar beside the visible items.
     *
     * @param  \Illuminate\Support\Collection<int, string>  $visible
     * @return \Illuminate\Support\Collection<int, string>
     */
    protected function scrollbar(Collection $visible, int $firstVisible, int $height, int $total, int $width, string $color = 'cyan'): Collection
    {
        if ($height >= $total) {
            return $visible;
        }

$scrollPosition = $this->scrollPosition($firstVisible, $height, $total);

return $visible // @phpstan-ignore return.type
            ->values()
            ->map(fn ($line) => $this->pad($line, $width))
            ->map(fn ($line, $index) => match ($index) {
                $scrollPosition => preg_replace('/.$/', $this->{$color}('┃'), $line),
                default => preg_replace('/.$/', $this->gray('│'), $line),
            });
    }

/**
     * Return the position where the scrollbar "handle" should be rendered.
     */
    protected function scrollPosition(int $firstVisible, int $height, int $total): int
    {
        if ($firstVisible === 0) {
            return 0;
        }

$maxPosition = $total - $height;

if ($firstVisible === $maxPosition) {
            return $height - 1;
        }

if ($height <= 2) {
            return -1;
        }

$percent = $firstVisible / $maxPosition;

return (int) round($percent * ($height - 3)) + 1;
    }
}

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Editing: DrawsScrollbars.php

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