From 798233d7a52097e8edcf48808b877fabc62d4e58 Mon Sep 17 00:00:00 2001
From: Junyoung Choi <fluke8259@gmail.com>
Date: Thu, 7 Sep 2017 02:12:27 +0900
Subject: [PATCH] Accept `Position` with extra properties

Delete `Node` interface because we are needed to check the properties about position only.
---
 types/vfile/index.d.ts | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/types/vfile/index.d.ts b/types/vfile/index.d.ts
index 0ffd8cfab3..06726ef138 100644
--- a/types/vfile/index.d.ts
+++ b/types/vfile/index.d.ts
@@ -18,12 +18,6 @@ declare namespace vfile {
         end: Point;
     }
 
-    interface Node {
-        type: string;
-        data?: {};
-        position?: Position;
-    }
-
     interface VFileParamsBase<D> {
         data?: D;
         contents?: Contents;
@@ -49,13 +43,11 @@ declare namespace vfile {
         fatal?: boolean | null;
     }
 
-    type StringifiablePosition = Point | Position | Node;
+    type Message = <P extends Position>(reason: string, position?: Point | P, ruleId?: string) => VFileError;
 
-    type Message = (reason: string, position?: StringifiablePosition, ruleId?: string) => VFileError;
+    type Fail = <P extends Position>(reason: string, position?: Point | P, ruleId?: string) => never;
 
-    type Fail = (reason?: string, position?: StringifiablePosition, ruleId?: string) => never;
-
-    type Info = (reason?: string, position?: StringifiablePosition, ruleId?: string) => void;
+    type Info = <P extends Position>(reason: string, position?: Point | P, ruleId?: string) => void;
 
     type ToString = (encoding?: BufferEncoding) => string;