init.php

<?php

fwrite(\STDOUT, "Enter an extension name:\n");
$fh = fopen('php://stdin', 'r');
$name = trim(fgets($fh));
fclose($fh);

$nameLabel = $name;

$name = ucfirst($name);

$name = str_replace(' ', '', ucwords(preg_replace('/^a-z0-9]+/', ' ', $name)));
$nameHyphen = strtolower(preg_replace('/(?<!^)[A-Z]/', '-$0', $name));

fwrite(\STDOUT, "Enter a description text:\n");
$fh = fopen('php://stdin', 'r');
$description = trim(fgets($fh));
fclose($fh);

if (substr($description, -1) !== '.') $description .= '.';

fwrite(\STDOUT, "Enter an author name:\n");
$fh = fopen('php://stdin', 'r');
$author = trim(fgets($fh));
fclose($fh);

$replacePlaceholders = function (string $file) use ($name, $nameHyphen, $nameLabel, $description, $author)
{
    if (!file_exists($file)) {
        return;
    }

    $content = file_get_contents($file);

    $content = str_replace('{@name}', $name, $content);
    $content = str_replace('{@nameHyphen}', $nameHyphen, $content);
    $content = str_replace('{@nameLabel}', $nameLabel, $content);
    $content = str_replace('{@description}', $description, $content);
    $content = str_replace('{@author}', $author, $content);

    file_put_contents($file, $content);
};

$replaceNamespace = function (string $directory) use ($name)
{
    $list = new \RecursiveDirectoryIterator($directory);

    foreach (new RecursiveIteratorIterator($list) as $file) {
        $filePath = $file->getPathname();
        $fileExtension = pathinfo($filePath, \PATHINFO_EXTENSION);

        if (!in_array(strtolower($fileExtension), ['php'])) {
            continue;
        }

        $content = file_get_contents($filePath);

        $content = str_replace('MyModuleName', $name, $content);

        file_put_contents($filePath, $content);
    }
};

$replacePlaceholders('package.json');
$replacePlaceholders('extension.json');
$replacePlaceholders('config-default.json');
$replacePlaceholders('README.md');

$replaceNamespace('src/files/application/Espo/Modules/MyModuleName');

rename('src/files/application/Espo/Modules/MyModuleName', 'src/files/application/Espo/Modules/'. $name);
rename('src/files/client/modules/my-module-name', 'src/files/client/modules/'. $nameHyphen);

rename('tests/unit/Espo/Modules/MyModuleName', 'tests/unit/Espo/Modules/'. $name);
rename('tests/integration/Espo/Modules/MyModuleName', 'tests/integration/Espo/Modules/'. $name);

echo "Ready. Now you need to run 'npm install'.\n";