### Configure Twig-CS-Fixer rules

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/rules.md

Examples of instantiating configurable rules by passing parameters to their constructors.

```php
new TwigCsFixer\Rules\Punctuation\PunctuationSpacingRule(
    ['}' => 1],
    ['{' => 1],
);

new TwigCsFixer\Rules\Whitespace\IndentRule(3);
```

--------------------------------

### Install Twig CS Fixer via Composer

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/README.md

Add the package as a development dependency to your project.

```bash
composer require --dev vincentlanglet/twig-cs-fixer
```

--------------------------------

### Specify Configuration Path

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/configuration.md

Use the --config flag to point to a specific configuration file when running the linter.

```bash
vendor/bin/twig-cs-fixer lint --config=dir/.twig-cs-fixer.php /path/to/code
```

--------------------------------

### Configure File Finder

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/configuration.md

Customize which files or directories are included or excluded from the linting process.

```php
<?php

$finder = new TwigCsFixer\File\Finder();
$finder->in('templates');
$finder->exclude('myCustomDirectory');

$config = new TwigCsFixer\Config\Config();
$config->setFinder($finder);

return $config;
```

--------------------------------

### Update Directory path helper

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/UPGRADE.md

Replaced Directory instance method with FileHelper static method.

```diff
- (new Directory($dir))->getRelativePathTo($file);
+ FileHelper::getRelativePath($file, $dir);
```

--------------------------------

### Update AbstractRule methods

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/UPGRADE.md

Refactored token matching and navigation methods in AbstractRule.

```diff
- $this->isTokenMatching($token, $type, $value)
+ $token->isMatching($type, $value)
```

```diff
- $this->findNext($type, $tokens, $start)
+ $tokens->findNext($type, $start)

- $this->findNext($type, $tokens, $start, true)
+ $tokens->findNext($type, $start, null, true)
```

```diff
- $this->findPrevious($type, $tokens, $start)
+ $tokens->findPrevious($type, $start)

- $this->findPrevious($type, $tokens, $start, true)
+ $tokens->findPrevious($type, $start, 0, true)
```

```diff
- protected function process(int $tokenPosition, array $tokens): void;
+ protected function process(int $tokenIndex, Tokens $tokens): void;
```

--------------------------------

### Download Twig CS Fixer PHAR

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/README.md

Fetch the stable version of the tool as a Phar archive.

```bash
wget -c https://github.com/VincentLanglet/Twig-CS-Fixer/releases/download/VERSION/twig-cs-fixer.phar
```

--------------------------------

### Disable Cache via Command Line

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/configuration.md

Run the linter without using the cache.

```bash
vendor/bin/twig-cs-fixer lint --no-cache
```

--------------------------------

### Include Autoloader in Configuration

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/README.md

Add the autoloader to your configuration file to support custom rules or node-based rules.

```php
require_once __DIR__.'/vendor/autoload.php';
```

--------------------------------

### Add Custom Reporter

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/configuration.md

Register a custom reporter class to handle linter output formats.

```php
<?php

$config = new TwigCsFixer\Config\Config();
$config->addCustomReporter(new App\Twig\CustomReporter());

return $config;
```

--------------------------------

### Lint and Fix Twig Templates

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/README.md

Run the linter to check for issues or the fixer to automatically resolve them.

```bash
vendor/bin/twig-cs-fixer lint /path/to/code
vendor/bin/twig-cs-fixer fix /path/to/code
```

--------------------------------

### Configure Cache Location

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/configuration.md

Set a custom path for the cache file or disable caching entirely.

```php
<?php

$config = new TwigCsFixer\Config\Config();
$config->setCacheFile('/tmp/.twig-cs-fixer.cache');

return $config;
```

```php
<?php

$config = new TwigCsFixer\Config\Config();
$config->setCacheFile(null);

return $config;
```

--------------------------------

### Configure Ruleset

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/configuration.md

Define a custom ruleset by adding, removing, or overriding rules within a Config instance.

```php
<?php

$ruleset = new TwigCsFixer\Ruleset\Ruleset();

// You can start from a default standard
$ruleset->addStandard(new TwigCsFixer\Standard\TwigCsFixer());

// And then add/remove/override some rules
$ruleset->addRule(new TwigCsFixer\Rules\File\FileExtensionRule());
$ruleset->removeRule(TwigCsFixer\Rules\Whitespace\EmptyLinesRule::class);
$ruleset->overrideRule(new TwigCsFixer\Rules\Punctuation\PunctuationSpacingRule(
    ['}' => 1],
    ['{' => 1],
));

$config = new TwigCsFixer\Config\Config();
$config->setRuleset($ruleset);

return $config;
```

--------------------------------

### Update AbstractSpacingRule methods

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/UPGRADE.md

Updated spacing rule methods to use Tokens object instead of array.

```diff
- protected function getSpaceAfter(int $tokenPosition, array $tokens): ?int;
+ protected function getSpaceAfter(int $tokenIndex, Tokens $tokens): ?int;
```

```diff
- protected function getSpaceBefore(int $tokenPosition, array $tokens): ?int;
+ protected function getSpaceBefore(int $tokenIndex, Tokens $tokens): ?int;
```

--------------------------------

### Register Token Parsers and Extensions

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/configuration.md

Add custom Twig extensions, token parsers, or node visitors to the configuration.

```php
<?php

$config = new TwigCsFixer\Config\Config();
$config->addTwigExtension(new App\Twig\CustomTwigExtension());
$config->addTokenParser(new App\Twig\CustomTokenParser());
$config->addNodeVisitor(new App\Twig\CustomNodeVisitor());

return $config;
```

--------------------------------

### Implement a custom rule class

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/custom.md

Extend AbstractRule or AbstractFixableRule to define custom token validation and fixing logic. Use addFixableError to initiate a change set for automatic fixes.

```php
final class MyCustomRule extends \TwigCsFixer\Rules\AbstractRule {
    protected function process(int $tokenIndex, \TwigCsFixer\Token\Tokens $tokens): void
    {
        $token = $tokens->get($tokenIndex);
        if (!$token->isMatching(...)) {
            // Skip if the token is not matching some conditions.
            return;
        }
        
        $nextToken = $tokens->findNext(...); // Look for next token based on conditions.
        $previousToken = $tokens->findPrevious(...); // Look for previous token based on conditions.
        if (...) {
            // Skip if the token is valid.
            return;
        }
        
        // Use $this->addError(...) if the error is not fixable.
        $fixer = $this->addFixableError('Custom message.', $token);
        if (null === $fixer) {
            // Fixer is null when you're linting the file.
            return;
        }
        
        $fixer->beginChangeSet();
        // Use some of the following functions base of the wanted behavior:
        // $fixer->replaceToken(...);
        // $fixer->addNewline(...);
        // $fixer->addNewlineBefore(...);
        // $fixer->addContent(...);
        // $fixer->addContentBefore(...);
        $fixer->endChangeSet();
    }
}
```

--------------------------------

### Update Token position retrieval

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/UPGRADE.md

Replaced getPosition with getLinePosition.

```diff
- $token->getPosition();
+ $token->getLinePosition();
```

--------------------------------

### Update DelimiterSpacingRule constructor

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/UPGRADE.md

The constructor signature for DelimiterSpacingRule has been updated to include override parameters.

```php
__construct(bool $skipIfNewLine = true)
```

```php
__construct(array $beforeOverride = [], array $afterOverride = [], bool $skipIfNewLine = true)
```

--------------------------------

### Implement a custom node-based rule

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/custom.md

Extend AbstractNodeRule to define custom logic for Twig nodes. Note that these rules are not fixable and only support line-level error reporting.

```php
final class MyCustomRule extends \TwigCsFixer\Rules\Node\AbstractNodeRule {
    public function enterNode(\Twig\Node\Node $node, \Twig\Environment $env): Node
    {
        // Do some logic
    }
}
```

--------------------------------

### Update TokenizerInterface

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/UPGRADE.md

The tokenize method now returns a Tokens object.

```diff
- /**
-   * @return array{list<Token>, list<ViolationId>}
-   */
-  public function tokenize(Source $source): array;
+  public function tokenize(Source $source): Tokens;
```

--------------------------------

### Allow Non-Fixable Rules

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/configuration.md

Enable rules that are not automatically fixable by the linter.

```php
<?php

$config = new TwigCsFixer\Config\Config();
$config->allowNonFixableRules();

return $config;
```

--------------------------------

### Update RuleInterface and FixableRuleInterface

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/UPGRADE.md

Updated linting and fixing interfaces to use Tokens object.

```diff
- public function lintFile(array $tokens, Report $report, array $ignoredViolations = []): void;
+ public function lintFile(Tokens $tokens, Report $report): void;
```

```diff
- public function fixFile(array $tokens, FixerInterface $fixer, array $ignoredViolations = []): void;
+ public function fixFile(Tokens $tokens, FixerInterface $fixer): void;
```

--------------------------------

### Disable specific errors using comments

Source: https://github.com/vincentlanglet/twig-cs-fixer/blob/main/docs/ignoring-errors.md

Syntax for disabling rules or specific error identifiers using file-level, line-level, or next-line comments.

```twig
{# twig-cs-fixer-disable A.B:C:D #} => Apply to the whole file
{# twig-cs-fixer-disable-line A.B:C:D #} => Apply to the line of the comment
{# twig-cs-fixer-disable-next-line A.B:C:D #} => Apply to the next line of the comment
```

```twig
{# twig-cs-fixer-disable #} => Disable every rule for the whole file
{# twig-cs-fixer-disable-line #} => Disable every rule for the current line
{# twig-cs-fixer-disable-next-line #} => Disable every rule for the next line

{# twig-cs-fixer-disable A #} => Disable the rule A for the whole file
{# twig-cs-fixer-disable A:42 #} => Disable the rule A for the line 42 of the file
{# twig-cs-fixer-disable-line A.B #} => Disable the error B of the rule A for the current line
{# twig-cs-fixer-disable-next-line A::42 #} => Disable the rule A for the next line but only for the token 42
```

```twig
{# twig-cs-fixer-disable A B C #} => Disable A and B and C for the whole file
{# twig-cs-fixer-disable-line A.B,C.D #} => Disable A.B and C.D for the current line
```

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