php-flarum/src/Frontend/Asset/LocaleJsCompiler.php

<?php

/*
 * This file is part of Flarum.
 *
 * (c) Toby Zerner <toby.zerner@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Flarum\Frontend\Asset;

class LocaleJsCompiler extends JsCompiler
{
    protected $translations = [];

    public function setTranslations(array $translations)
    {
        $this->translations = $translations;
    }

    public function compile()
    {
        $output = "
 System.register('locale', [], function(_export) {
    return {
        execute: function() {
            _export('default', function(app) {
                app.translator.translations = ".json_encode($this->translations).";\n";

        foreach ($this->files as $filename) {
            $output .= file_get_contents($filename);
        }

        $output .= '
            });
        }
    };
});';

        return $this->format($output);
    }
}