nicoSWD\Rule\Grammar\JavaScript\Methods\Join

Complexity

Total Complexity

4

Size/Duplication

Total Lines	28
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	6

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	call()	0	20	4

<?php

declare(strict_types=1);

/**
 * @license     http://opensource.org/licenses/mit-license.php MIT
 * @link        https://github.com/nicoSWD
 * @author      Nicolas Oelgart <nico@oelgart.com>
 */
namespace nicoSWD\Rule\Grammar\JavaScript\Methods;

use nicoSWD\Rule\TokenStream\Token\BaseToken;
use nicoSWD\Rule\TokenStream\Token\TokenArray;
use nicoSWD\Rule\TokenStream\Token\TokenString;
use nicoSWD\Rule\TokenStream\TokenCollection;
use nicoSWD\Rule\Parser\Exception\ParserException;
use nicoSWD\Rule\Grammar\CallableFunction;

final class Join extends CallableFunction
{
    /**
     * @param BaseToken $glue
     * @return BaseToken
     * @throws ParserException
     */
    public function call($glue = null): BaseToken
    {
        if (!$this->token instanceof TokenArray) {
            throw new ParserException(sprintf('%s.join is not a function', $this->token->getValue()));
        }

        if ($glue) {
            $glue = $glue->getValue();
        } else {
            $glue = ',';
        }

        $array = $this->token->getValue();

        if ($array instanceof TokenCollection) {
            $array = $array->toArray();
        }

        return new TokenString(implode($glue, $array));
    }
}