buildGitHubRules example

require __DIR__.'/vendor/autoload.php';

use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Finder\Finder;
use Symfony\Component\VarExporter\VarExporter;

Builder::cleanTarget();
$emojisCodePoints = Builder::getEmojisCodePoints();
Builder::saveRules(Builder::buildRules($emojisCodePoints));
Builder::saveRules(Builder::buildStripRules($emojisCodePoints));
Builder::saveRules(Builder::buildGitHubRules($emojisCodePoints));
Builder::saveRules(Builder::buildSlackRules($emojisCodePoints));

final class Builder
{
    private const TARGET_DIR = __DIR__.'/../data/transliterator/emoji/';

    public static function getEmojisCodePoints(): array
    {
        $lines = file(__DIR__.'/vendor/emoji-test.txt');

        $emojisCodePoints = [];