idempotency

type Config struct {
	// Next defines a function to skip this middleware when returned true.
	//
	// Optional. Default: a function which skips the middleware on safe HTTP request method.
	Next func(c *fiber.Ctx) bool

	// Lifetime is the maximum lifetime of an idempotency key.
	//
	// Optional. Default: 30 * time.Minute
	Lifetime time.Duration

	// KeyHeader is the name of the header that contains the idempotency key.
	//
	// Optional. Default: X-Idempotency-Key
	KeyHeader string
	// KeyHeaderValidate defines a function to validate the syntax of the idempotency header.
	//
	// Optional. Default: a function which ensures the header is 36 characters long (the size of an UUID).
	KeyHeaderValidate func(string) error

	// KeepResponseHeaders is a list of headers that should be kept from the original response.
	//
	// Optional. Default: nil (to keep all headers)
	KeepResponseHeaders []string

	// Lock locks an idempotency key.
	//
	// Optional. Default: an in-memory locker for this process only.
	Lock Locker

	// Storage stores response data by idempotency key.
	//
	// Optional. Default: an in-memory storage for this process only.
	Storage fiber.Storage
}

type Locker interface {
	Lock(key string) error
	Unlock(key string) error
}

type MemoryLock struct {
	// contains filtered or unexported fields
}