Extract source code & directories from the javascript .map files (modified to support maps with sections)

extract_mapjs.php

<?php
/**
 * Created by PhpStorm.
 * User: edwinsturt
 * Date: 2020-06-24
 * Time: 00:45
 */

$file = 'main.js.map';

if(file_exists($file)) {
    $json = json_decode(file_get_contents($file));

    foreach ($json->sections as $index => $section) {
        $directories = [];

        foreach ($section->map->sources as $index => $source) {

            $dir = dirname($source);
            if (!is_dir($dir)) {
                mkdir($dir, 0755, true);
            }
            $data = explode('/', $source);
            $file = end($data);
            file_put_contents($dir . "/" . $file, $section->map->sourcesContent[$index]);
            $files[] = $dir . "/" . $file;

        }
        echo "<pre>All Source codes has been extracted from map file ";
        print_r($files);
    }
}