src/FileString.php


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<?php

namespace Lightscale\LaralightAssets;

use Illuminate\Support\Str;
use Illuminate\Support\Collection;

class FileString
{
    public ?string $manifestName = null;
    public string $fileUri;


    public function __construct(string $file)
    {
        $escape = '\\';
        $seperator = '::';
        $seperatorLen = strlen($seperator);

        $pos = 0;
        while(
            $pos !== false
        ) {
            $pos = strpos($file, $seperator, $pos);
            if ($pos > 0 && $file[$pos - 1] === $escape) {
                $pos += $seperatorLen;
            }
            else break;
        }


        $unescape = fn($v) => str_replace($escape . $seperator, $seperator, $v);

        if ($pos === false) {
            $this->fileUri = $unescape($file);
        }
        else {
            $this->manifestName = $unescape(substr($file, 0, $pos));
            $this->fileUri = $unescape(substr($file, $pos + $seperatorLen));
        }
    }
}