From 7e252c06daf333fc7ac981e70307bca1d454e7f7 Mon Sep 17 00:00:00 2001
From: Avindra Goolcharan <aavindraa@gmail.com>
Date: Tue, 8 Aug 2017 14:29:26 -0400
Subject: [PATCH] sessionConfig.valid: make optional (#18748)

`koa-session` does not actually require this validator and will provide a default behavior if its not supplied.

see: https://github.com/koajs/session/blob/cb6d2c8448f21f6cf42efdb031798c9608f05602/lib/context.js#L152-L167
---
 types/koa-session/index.d.ts           | 2 +-
 types/koa-session/koa-session-tests.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/types/koa-session/index.d.ts b/types/koa-session/index.d.ts
index bd31a897e3..ae5e2c48fa 100644
--- a/types/koa-session/index.d.ts
+++ b/types/koa-session/index.d.ts
@@ -59,7 +59,7 @@ declare namespace session {
         /**
          * Hook: valid session value before use it
          */
-        valid(...rest: any[]): void;
+        valid?(...rest: any[]): void;
 
         /**
          * Hook: before save session
diff --git a/types/koa-session/koa-session-tests.ts b/types/koa-session/koa-session-tests.ts
index 266cb4b98b..ef3ddc6a09 100644
--- a/types/koa-session/koa-session-tests.ts
+++ b/types/koa-session/koa-session-tests.ts
@@ -1,5 +1,5 @@
 import * as Koa from 'koa';
-import session = require('koa-session');
+import * as session from 'koa-session';
 
 const app = new Koa();