<?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:----ODUwNjgxNzU4NTI2NjY2MyAxNTE0NTMyNDY2MDQ0Njc5IDQ1NjAxOTQzMTcyNDI1Njg=