src/Composer/Installer/LibraryInstaller.php
public function isInstalled(InstalledRepositoryInterface $repo, PackageInterface $package)
    {
        if (!$repo->hasPackage($package)) {
            return false;
        }

        $installPath = $this->getInstallPath($package);

        if (is_readable($installPath)) {
            return true;
        }

        return (Platform::isWindows() && $this->filesystem->isJunction($installPath)) || is_link($installPath);
    }
public function isInstalled(InstalledRepositoryInterface $repo, PackageInterface $package)
    {
        if (!$repo->hasPackage($package)) {
            return false;
        }

        $installPath = $this->getInstallPath($package);

        if (is_readable($installPath)) {
            return true;
        }

        return (Platform::isWindows() && $this->filesystem->isJunction($installPath)) || is_link($installPath);
    }
public function isInstalled ( InstalledRepositoryInterface $ repo , PackageInterface $ package ) { if ( ! $ repo -> hasPackage ( $ package ) ) { return false ; } $ installPath = $ this -> getInstallPath ( $ package ) ; if ( is_readable ( $ installPath ) ) { return true ; } return ( Platform :: isWindows ( ) && $ this -> filesystem -> isJunction ( $ installPath ) ) || is_link ( $ installPath ) ; }
{@inheritDoc}
{