From 04ee02e9c8c44ed26e4a7f3d8729af59da9d5289 Mon Sep 17 00:00:00 2001
From: Thomas Chandelle <thomas.chandelle@mt-c.com>
Date: Thu, 16 Nov 2017 08:53:18 +0100
Subject: [PATCH] Make the arguments non-optional, they will always be set by
 Chart.js

---
 types/chart.js/index.d.ts | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/types/chart.js/index.d.ts b/types/chart.js/index.d.ts
index 51bbc3b49e..549c8041ab 100644
--- a/types/chart.js/index.d.ts
+++ b/types/chart.js/index.d.ts
@@ -120,19 +120,19 @@ declare namespace Chart {
     }
 
     interface ChartTooltipCallback {
-        beforeTitle?(item?: ChartTooltipItem[], data?: ChartData): string | string[];
-        title?(item?: ChartTooltipItem[], data?: ChartData): string | string[];
-        afterTitle?(item?: ChartTooltipItem[], data?: ChartData): string | string[];
-        beforeBody?(item?: ChartTooltipItem[], data?: ChartData): string | string[];
-        beforeLabel?(tooltipItem?: ChartTooltipItem, data?: ChartData): string | string[];
-        label?(tooltipItem?: ChartTooltipItem, data?: ChartData): string | string[];
-        labelColor?(tooltipItem?: ChartTooltipItem, chart?: Chart): ChartTooltipLabelColor;
-        labelTextColor?(tooltipItem?: ChartTooltipItem, chart?: Chart): string;
-        afterLabel?(tooltipItem?: ChartTooltipItem, data?: ChartData): string | string[];
-        afterBody?(item?: ChartTooltipItem[], data?: ChartData): string | string[];
-        beforeFooter?(item?: ChartTooltipItem[], data?: ChartData): string | string[];
-        footer?(item?: ChartTooltipItem[], data?: ChartData): string | string[];
-        afterFooter?(item?: ChartTooltipItem[], data?: ChartData): string | string[];
+        beforeTitle?(item: ChartTooltipItem[], data: ChartData): string | string[];
+        title?(item: ChartTooltipItem[], data: ChartData): string | string[];
+        afterTitle?(item: ChartTooltipItem[], data: ChartData): string | string[];
+        beforeBody?(item: ChartTooltipItem[], data: ChartData): string | string[];
+        beforeLabel?(tooltipItem: ChartTooltipItem, data: ChartData): string | string[];
+        label?(tooltipItem: ChartTooltipItem, data: ChartData): string | string[];
+        labelColor?(tooltipItem: ChartTooltipItem, chart: Chart): ChartTooltipLabelColor;
+        labelTextColor?(tooltipItem: ChartTooltipItem, chart: Chart): string;
+        afterLabel?(tooltipItem: ChartTooltipItem, data: ChartData): string | string[];
+        afterBody?(item: ChartTooltipItem[], data: ChartData): string | string[];
+        beforeFooter?(item: ChartTooltipItem[], data: ChartData): string | string[];
+        footer?(item: ChartTooltipItem[], data: ChartData): string | string[];
+        afterFooter?(item: ChartTooltipItem[], data: ChartData): string | string[];
     }
 
     interface ChartAnimationParameter {