[chart.js] add missing align fields to ChartTooltipOptions (#37612)

* [chart.js] add missing align fields to ChartTooltipOptions

* [chart.js] updated version

types/chart.js/chart.js-tests.ts

@@ -47,6 +47,7 @@ const chart: Chart = new Chart(ctx, {
             displayColors: true,
             borderColor: "rgba(0,0,0,0)",
             borderWidth: 1,
+            titleAlign: 'center',
             callbacks: {
                 title: ([point]) => point.label ? point.label.substring(0, 2) : 'title',
                 label(tooltipItem) {

types/chart.js/index.d.ts

@@ -1,4 +1,4 @@
-// Type definitions for Chart.js 2.7
+// Type definitions for Chart.js 2.8
 // Project: https://github.com/nnnick/Chart.js, https://www.chartjs.org
 // Definitions by: Alberto Nuti <https://github.com/anuti>
 //                 Fabien Lavocat <https://github.com/FabienLavocat>
@@ -133,6 +133,8 @@ declare namespace Chart {
         'easeInOutSine' | 'easeInExpo' | 'easeOutExpo' | 'easeInOutExpo' | 'easeInCirc' | 'easeOutCirc' | 'easeInOutCirc' | 'easeInElastic' |
         'easeOutElastic' | 'easeInOutElastic' | 'easeInBack' | 'easeOutBack' | 'easeInOutBack' | 'easeInBounce' | 'easeOutBounce' | 'easeInOutBounce';
 
+    type TextAlignment = 'left' | 'center' | 'right';
+
     interface ChartArea {
         top: number;
         right: number;
@@ -296,17 +298,20 @@ declare namespace Chart {
         mode?: InteractionMode;
         intersect?: boolean;
         backgroundColor?: ChartColor;
+        titleAlign?: TextAlignment;
         titleFontFamily?: string;
         titleFontSize?: number;
         titleFontStyle?: string;
         titleFontColor?: ChartColor;
         titleSpacing?: number;
         titleMarginBottom?: number;
+        bodyAlign?: TextAlignment;
         bodyFontFamily?: string;
         bodyFontSize?: number;
         bodyFontStyle?: string;
         bodyFontColor?: ChartColor;
         bodySpacing?: number;
+        footerAlign?: TextAlignment;
         footerFontFamily?: string;
         footerFontSize?: number;
         footerFontStyle?: string;