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✏️ Editing: SpreadOperatorSpacingAfterSniff.php

<?php
/**
 * Verifies spacing between the spread operator and the variable/function call it applies to.
 *
 * @author    Juliette Reinders Folmer <phpcs_nospam@adviesenzo.nl>
 * @copyright 2019 Juliette Reinders Folmer. All rights reserved.
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/HEAD/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Standards\Generic\Sniffs\WhiteSpace;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Util\Tokens;

class SpreadOperatorSpacingAfterSniff implements Sniff
{

/**
     * The number of spaces desired after a spread token.
     *
     * @var integer
     */
    public $spacing = 0;

/**
     * Allow newlines instead of spaces.
     *
     * @var boolean
     */
    public $ignoreNewlines = false;

/**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array<int|string>
     */
    public function register()
    {
        return [T_ELLIPSIS];

}//end register()

/**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
     * @param int                         $stackPtr  The position of the current token in
     *                                               the stack passed in $tokens.
     *
     * @return void
     */
    public function process(File $phpcsFile, $stackPtr)
    {
        $tokens         = $phpcsFile->getTokens();
        $this->spacing  = (int) $this->spacing;
        $pluralizeSpace = 's';
        if ($this->spacing === 1) {
            $pluralizeSpace = '';
        }

$nextNonEmpty = $phpcsFile->findNext(Tokens::$emptyTokens, ($stackPtr + 1), null, true);
        if ($nextNonEmpty === false) {
            return;
        }

if ($tokens[$nextNonEmpty]['code'] === T_CLOSE_PARENTHESIS) {
            // Ignore PHP 8.1 first class callable syntax.
            return;
        }

if ($this->ignoreNewlines === true
            && $tokens[$stackPtr]['line'] !== $tokens[$nextNonEmpty]['line']
        ) {
            $phpcsFile->recordMetric($stackPtr, 'Spacing after spread operator', 'newline');
            return;
        }

if ($this->spacing === 0 && $nextNonEmpty === ($stackPtr + 1)) {
            $phpcsFile->recordMetric($stackPtr, 'Spacing after spread operator', 0);
            return;
        }

$nextNonWhitespace = $phpcsFile->findNext(T_WHITESPACE, ($stackPtr + 1), null, true);
        if ($nextNonEmpty !== $nextNonWhitespace) {
            $error = 'Expected %s space%s after the spread operator; comment found';
            $data  = [
                $this->spacing,
                $pluralizeSpace,
            ];
            $phpcsFile->addError($error, $stackPtr, 'CommentFound', $data);

if ($tokens[($stackPtr + 1)]['code'] === T_WHITESPACE) {
                $phpcsFile->recordMetric($stackPtr, 'Spacing after spread operator', $tokens[($stackPtr + 1)]['length']);
            } else {
                $phpcsFile->recordMetric($stackPtr, 'Spacing after spread operator', 0);
            }

return;
        }

$found = 0;
        if ($tokens[$stackPtr]['line'] !== $tokens[$nextNonEmpty]['line']) {
            $found = 'newline';
        } else if ($tokens[($stackPtr + 1)]['code'] === T_WHITESPACE) {
            $found = $tokens[($stackPtr + 1)]['length'];
        }

$phpcsFile->recordMetric($stackPtr, 'Spacing after spread operator', $found);

if ($found === $this->spacing) {
            return;
        }

$error = 'Expected %s space%s after the spread operator; %s found';
        $data  = [
            $this->spacing,
            $pluralizeSpace,
            $found,
        ];

$errorCode = 'TooMuchSpace';
        if ($this->spacing !== 0) {
            if ($found === 0) {
                $errorCode = 'NoSpace';
            } else if ($found !== 'newline' && $found < $this->spacing) {
                $errorCode = 'TooLittleSpace';
            }
        }

$fix = $phpcsFile->addFixableError($error, $stackPtr, $errorCode, $data);

if ($fix === true) {
            $padding = str_repeat(' ', $this->spacing);
            if ($found === 0) {
                $phpcsFile->fixer->addContent($stackPtr, $padding);
            } else {
                $phpcsFile->fixer->beginChangeset();
                $start = ($stackPtr + 1);

if ($this->spacing > 0) {
                    $phpcsFile->fixer->replaceToken($start, $padding);
                    ++$start;
                }

for ($i = $start; $i < $nextNonWhitespace; $i++) {
                    $phpcsFile->fixer->replaceToken($i, '');
                }

$phpcsFile->fixer->endChangeset();
            }
        }

}//end process()

}//end class

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