From b0289ac7a3657dbe8babf7691eabf9f404c832d3 Mon Sep 17 00:00:00 2001
From: Guillaume Mouron <gmouron@lucca.fr>
Date: Mon, 18 May 2015 12:07:28 +0200
Subject: [PATCH] Insert and append can take functions returning a DOM element

This is specified in the d3 documentation :
- append : https://github.com/mbostock/d3/wiki/Selections#append
- insert : https://github.com/mbostock/d3/wiki/Selections#insert

Also visible in the code : https://github.com/mbostock/d3/blob/master/d3.js#L802 and https://github.com/mbostock/d3/blob/master/d3.js#L818
---
 d3/d3.d.ts | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/d3/d3.d.ts b/d3/d3.d.ts
index e1d501e0b..0bf3d599d 100644
--- a/d3/d3.d.ts
+++ b/d3/d3.d.ts
@@ -787,8 +787,18 @@ declare module D3 {
             (valueFunction: (data: T, index: number) => any): _Selection<T>;
         };
 
-        append: (name: string) => _Selection<T>;
-        insert: (name: string, before: string) => _Selection<T>;
+        append: {
+            (name: string): _Selection<T>;
+            (elementFunction: (data: T, index: number) => any): _Selection<T>;
+        }
+
+        insert: {
+            (name: string, before: string): _Selection<T>;
+            (insertElementFunction: (data: T, index: number) => any, before: string): _Selection<T>;
+            (name: string, beforeElementFunction: (data: T, index: number) => any): _Selection<T>;
+            (insertElementFunction: (data: T, index: number) => any, beforeElementFunction: (data: T, index: number) => any): _Selection<T>;
+        }
+
         remove: () => _Selection<T>;
         empty: () => boolean;
 
@@ -874,8 +884,18 @@ declare module D3 {
     export interface Selection extends _Selection<any> { }
 
     export interface _EnterSelection<T> {
-        append: (name: string) => _Selection<T>;
-        insert: (name: string, before?: string) => _Selection<T>;
+        append: {
+            (name: string): _Selection<T>;
+            (elementFunction: (data: T, index: number) => any): _Selection<T>;
+        }
+
+        insert: {
+            (name: string, before?: string): _Selection<T>;
+            (insertElementFunction: (data: T, index: number) => any, before?: string): _Selection<T>;
+            (name: string, beforeElementFunction?: (data: T, index: number) => any): _Selection<T>;
+            (insertElementFunction: (data: T, index: number) => any, beforeElementFunction?: (data: T, index: number) => any): _Selection<T>;
+        }
+
         select: (selector: string) => _Selection<T>;
         empty: () => boolean;
         node: () => Element;