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<?php
declare(strict_types=1);
namespace Pest\Concerns;
use Closure;
/**
* @internal
*/
trait Pipeable
{
/**
* The list of pipes.
*
* @var array<string, array<Closure(Closure, mixed ...$arguments): void>>
*/
private static array $pipes = [];
/**
* The list of interceptors.
*
* @var array<string, array<Closure(Closure, mixed ...$arguments): void>>
*/
private static array $interceptors = [];
/**
* Register a pipe to be applied before an expectation is checked.
*/
public function pipe(string $name, Closure $pipe): void
{
self::$pipes[$name][] = $pipe;
}
/**
* Register an interceptor that should replace an existing expectation.
*
* @param string|Closure(mixed $value, mixed ...$arguments):bool $filter
*/
public function intercept(string $name, string|Closure $filter, Closure $handler): void
{
if (is_string($filter)) {
$filter = fn ($value): bool => $value instanceof $filter;
}
self::$interceptors[$name][] = $handler;
$this->pipe($name, function ($next, ...$arguments) use ($handler, $filter): void {
/* @phpstan-ignore-next-line */
if ($filter($this->value, ...$arguments)) {
// @phpstan-ignore-next-line
$handler->bindTo($this, $this::class)(...$arguments);
return;
}
$next();
});
}
/**
* Get the list of pipes by the given name.
*
* @return array<int, Closure>
*/
private function pipes(string $name, object $context, string $scope): array
{
return array_map(fn (Closure $pipe): \Closure => $pipe->bindTo($context, $scope), self::$pipes[$name] ?? []);
}
}
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