signifly / laravel-builder-macros

src/macros/addSubSelect.php

<?php

use Illuminate\Database\Eloquent\Builder;

Builder::macro('addSubSelect', function ($column, $query) {
    $this->defaultSelectAll();

The variable $this seems to be never defined.

    return $this->selectSub($query->limit(1)->getQuery(), $column);
});