FunctionLike: wraps parameters when are longer than WRAP_LENGTH [Closes #28]

Author: dg

src/PhpGenerator/Traits/FunctionLike.php

@@ -197,7 +197,11 @@ protected function parametersToString(): string
 				. '$' . $param->getName()
 				. ($param->hasDefaultValue() && !$variadic ? ' = ' . Helpers::dump($param->getDefaultValue()) : '');
 		}
-		return '(' . implode(', ', $params) . ')';
+
+		$s = implode(', ', $params);
+		return strlen($s) > Helpers::WRAP_LENGTH
+			? "(\n\t" . implode(",\n\t", $params) . "\n)"
+			: "($s)";
 	}
 
 

tests/PhpGenerator/Method.longParams.phpt

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+use Nette\PhpGenerator\Method;
+use Tester\Assert;
+
+require __DIR__ . '/../bootstrap.php';
+
+
+$method = (new Method('create'))
+	->setBody('return null;');
+
+for ($name = 'a'; $name < 'm'; $name++) {
+	$method->addParameter($name)->setTypeHint('string');
+}
+
+Assert::match(
+'function create(
+	string $a,
+	string $b,
+	string $c,
+	string $d,
+	string $e,
+	string $f,
+	string $g,
+	string $h,
+	string $i,
+	string $j,
+	string $k,
+	string $l
+)
+{
+	return null;
+}
+', (string) $method);