nicoSWD\Rule\Grammar\JavaScript\Methods\Test::call()

Complexity

Conditions	4
Paths	3

Size

Total Lines	38
Code Lines	22

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	4

Importance

Changes

0

<?php
    public function call($string = null): BaseToken
    {
        if (!$this->token instanceof TokenRegex) {
            throw new ParserException(sprintf(
                'undefined is not a function at position %d on line %d',
                $this->token->getPosition(),
                $this->token->getLine()
            ));
        }

        if (!$string) {
            $bool = false;
        } else {
            // Remove "g" modifier as is does not exist in PHP
            // It's also irrelevant in .test() but allowed in JS here
            $pattern = preg_replace_callback(
                '~/[igm]{0,3}$~',
                function (array $modifiers) {
                    return str_replace('g', '', $modifiers[0]);
                },
                $this->token->getValue()
            );

            $subject = $string->getValue();

            while ($subject instanceof TokenCollection) {
                $subject = current($subject->toArray());
            }

            $bool = (bool) preg_match($pattern, (string) $subject);
        }

        return new TokenBool(
            $bool,
            $this->token->getOffset(),
            $this->token->getStack()
        );
    }
}