<?php

namespace Composer\Repository;

use Composer\Package\AliasPackage;
use Composer\Package\PackageInterface;

/**
 * Provides getCanonicalPackages() to various repository implementations
 *
 * @internal
 */
trait CanonicalPackagesTrait
{
    /**
     * Get unique packages (at most one package of each name), with aliases resolved and removed.
     *
     * @return PackageInterface[]
     */
    public function getCanonicalPackages()
    {
        $packages = $this->getPackages();

        // get at most one package of each name, preferring non-aliased ones
        $packagesByName = [];
        foreach ($packages as $package) {
            if (!isset($packagesByName[$package->getName()]) || $packagesByName[$package->getName()] instanceof AliasPackage) {
                $packagesByName[$package->getName()] = $package;
            }
        }

        $canonicalPackages = [];

        // unfold aliased packages
        foreach ($packagesByName as $package) {
            while ($package instanceof AliasPackage) {
                $package = $package->getAliasOf();
            }

            $canonicalPackages[] = $package;
        }

        return $canonicalPackages;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTE0OTY5Mzc3MTc5ODk0NiA2MzY2NjAwNzEzNTU3NjEwIDUyMjYyODc3MTY3MzYzMDc=