function CompletionTrait::suggestAvailablePackage

Suggest package names available on all configured repositories.

File

vendor/composer/composer/src/Composer/Command/CompletionTrait.php, line 153

Class

CompletionTrait

Adds completion to arguments and options.

Namespace

Composer\Command

Code

private function suggestAvailablePackage(int $max = 99) : \Closure {
    return function (CompletionInput $input) use ($max) : array {
        if ($max < 1) {
            return [];
        }
        $composer = $this->requireComposer();
        $repos = new CompositeRepository($composer->getRepositoryManager()
            ->getRepositories());
        $results = [];
        $showVendors = false;
        if (!str_contains($input->getCompletionValue(), '/')) {
            $results = $repos->search('^' . preg_quote($input->getCompletionValue()), RepositoryInterface::SEARCH_VENDOR);
            $showVendors = true;
        }
        // if we get a single vendor, we expand it into its contents already
        if (\count($results) <= 1) {
            $results = $repos->search('^' . preg_quote($input->getCompletionValue()), RepositoryInterface::SEARCH_NAME);
            $showVendors = false;
        }
        $results = array_column($results, 'name');
        if ($showVendors) {
            $results = array_map(static function (string $name) : string {
                return $name . '/';
            }, $results);
            // sort shorter results first to avoid auto-expanding the completion to a longer string than needed
            usort($results, static function (string $a, string $b) {
                $lenA = \strlen($a);
                $lenB = \strlen($b);
                if ($lenA === $lenB) {
                    return $a <=> $b;
                }
                return $lenA - $lenB;
            });
            $pinned = [];
            // ensure if the input is an exact match that it is always in the result set
            $completionInput = $input->getCompletionValue() . '/';
            if (false !== ($exactIndex = array_search($completionInput, $results, true))) {
                $pinned[] = $completionInput;
                array_splice($results, $exactIndex, 1);
            }
            return array_merge($pinned, array_slice($results, 0, $max - \count($pinned)));
        }
        return array_slice($results, 0, $max);
    };
}