Tool to make optional parameters required across the codebase

Author: ondrejmirtes

Diff for: bin/make-optional-parameters-required.php

@@ -0,0 +1,51 @@
+#!/usr/bin/env php
+<?php declare(strict_types = 1);
+
+use PhpParser\Node;
+use PhpParser\NodeTraverser;
+use PhpParser\NodeVisitor\CloningVisitor;
+use PhpParser\NodeVisitorAbstract;
+use PhpParser\ParserFactory;
+use PhpParser\PrettyPrinter\Standard;
+use Symfony\Component\Finder\Finder;
+
+$dir = $argv[1];
+
+if (!str_starts_with($dir, '/')) {
+	$dir = getcwd() . '/' . $dir;
+}
+
+(static function () use ($dir): void {
+	require_once __DIR__ . '/../vendor/autoload.php';
+
+	$parser = (new ParserFactory())->createForHostVersion();
+	$traverser = new NodeTraverser(new CloningVisitor());
+	$printer = new Standard();
+	$finder = new Finder();
+	$finder->followLinks();
+
+	$removeParamDefaultTraverser = new NodeTraverser(new class () extends NodeVisitorAbstract {
+
+		public function enterNode(Node $node)
+		{
+			if (!$node instanceof Node\Param) {
+				return null;
+			}
+
+			$node->default = null;
+
+			return $node;
+		}
+
+	});
+	foreach ($finder->files()->name('*.php')->in($dir) as $fileInfo) {
+		$oldStmts = $parser->parse(file_get_contents($fileInfo->getPathname()));
+		$oldTokens = $parser->getTokens();
+
+		$newStmts = $traverser->traverse($oldStmts);
+		$newStmts = $removeParamDefaultTraverser->traverse($newStmts);
+
+		$newCode = $printer->printFormatPreserving($newStmts, $oldStmts, $oldTokens);
+		file_put_contents($fileInfo->getPathname(), $newCode);
+	}
+})();