mirror of https://github.com/rectorphp/rector.git
88 lines
2.3 KiB
PHP
88 lines
2.3 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\CodeQuality\Rector\Concat;
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use RectorPrefix202401\Nette\Utils\Strings;
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use PhpParser\Node;
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use PhpParser\Node\Expr\BinaryOp\Concat;
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use PhpParser\Node\Scalar\String_;
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use Rector\Rector\AbstractRector;
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use Rector\Util\StringUtils;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @see \Rector\Tests\CodeQuality\Rector\Concat\JoinStringConcatRector\JoinStringConcatRectorTest
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*/
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final class JoinStringConcatRector extends AbstractRector
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{
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/**
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* @var int
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*/
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private const LINE_BREAK_POINT = 100;
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/**
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* @var string
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* @see https://regex101.com/r/VaXM1t/1
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* @see https://stackoverflow.com/questions/4147646/determine-if-utf-8-text-is-all-ascii
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*/
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private const ASCII_REGEX = '#[^\\x00-\\x7F]#';
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Joins concat of 2 strings, unless the length is too long', [new CodeSample(<<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run()
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{
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$name = 'Hi' . ' Tom';
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run()
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{
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$name = 'Hi Tom';
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}
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}
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CODE_SAMPLE
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)]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [Concat::class];
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}
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/**
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* @param Concat $node
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*/
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public function refactor(Node $node) : ?Node
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{
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if (!$node->left instanceof String_) {
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return null;
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}
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if (!$node->right instanceof String_) {
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return null;
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}
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return $this->joinConcatIfStrings($node->left, $node->right);
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}
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private function joinConcatIfStrings(String_ $leftString, String_ $rightString) : ?String_
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{
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$leftValue = $leftString->value;
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$rightValue = $rightString->value;
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if ($leftValue === "\n" || $rightValue === "\n") {
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return null;
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}
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$joinedStringValue = $leftValue . $rightValue;
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if (StringUtils::isMatch($joinedStringValue, self::ASCII_REGEX)) {
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return null;
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}
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if (Strings::length($joinedStringValue) >= self::LINE_BREAK_POINT) {
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return null;
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}
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return new String_($joinedStringValue);
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}
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}
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