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<?php
namespace NunoMaduro\Larastan\Internal;
use JsonException;
use function basename;
use function file_get_contents;
use function getenv;
use function is_file;
use function is_string;
use function json_decode;
use function trim;
/** @internal */
final class ComposerHelper
{
/** @return array<string, mixed> */
public static function getComposerConfig(string $root): ?array
{
$composerJsonPath = self::getComposerJsonPath($root);
if (! is_file($composerJsonPath)) {
return null;
}
try {
$composerJsonContents = @file_get_contents($composerJsonPath);
if ($composerJsonContents === false) {
return null;
}
return json_decode($composerJsonContents, true, 512, JSON_THROW_ON_ERROR);
} catch (JsonException) {
return null;
}
}
private static function getComposerJsonPath(string $root): string
{
$envComposer = getenv('COMPOSER');
$fileName = is_string($envComposer) ? $envComposer : 'composer.json';
return $root.'/'.basename(trim($fileName));
}
/**
* @param array<string, mixed> $composerConfig
*/
public static function getVendorDirFromComposerConfig(string $root, array $composerConfig): string
{
$vendorDirectory = $composerConfig['config']['vendor-dir'] ?? 'vendor';
return $root.'/'.trim($vendorDirectory, '/');
}
}