From ab5b7b9449657620af7faab06e1caff3540eb1a7 Mon Sep 17 00:00:00 2001
From: Sebastian Silbermann <eps1lon@users.noreply.github.com>
Date: Mon, 30 Jul 2018 20:03:01 +0200
Subject: [PATCH] [react-big-calendar] add definitions for header component
 (#27655)

---
 types/react-big-calendar/index.d.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/types/react-big-calendar/index.d.ts b/types/react-big-calendar/index.d.ts
index b73ffcc0d9..9275511fc9 100644
--- a/types/react-big-calendar/index.d.ts
+++ b/types/react-big-calendar/index.d.ts
@@ -86,11 +86,23 @@ export interface Format {
     eventTimeRangeEndFormat?: string;
 }
 
+export interface HeaderProps {
+    culture: BigCalendarProps['culture'];
+    date: Date;
+    format: string;
+    label: string;
+    localizer: object;
+}
+
 export interface Components {
     event?: React.SFC | React.Component | React.ComponentClass | JSX.Element;
     eventWrapper?: React.SFC | React.Component | React.ComponentClass | JSX.Element;
     dayWrapper?: React.SFC | React.Component | React.ComponentClass | JSX.Element;
     dateCellWrapper?: React.SFC | React.Component | React.ComponentClass | JSX.Element;
+    /**
+     * component used as a header for each column in the TimeGridHeader
+     */
+    header?: React.ComponentType<HeaderProps>;
     toolbar?: React.SFC | React.Component | React.ComponentClass | JSX.Element;
     agenda?: {
         date?: React.SFC | React.Component | React.ComponentClass | JSX.Element;