From 111a349f751dc0d159acaa404d07f3ababcc354c Mon Sep 17 00:00:00 2001
From: Jesse Trinity <42591254+jessetrinity@users.noreply.github.com>
Date: Fri, 7 Feb 2020 16:41:42 -0800
Subject: [PATCH] Revert "chart.js: Update ChartData to accept both Arrays and
 ReadonlyArrays (#42023)" (#42191)

This reverts commit dc72f7ed97fed874bd3ac264ea0c385043efa313.
---
 types/chart.js/chart.js-tests.ts | 9 ---------
 types/chart.js/index.d.ts        | 4 ++--
 2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/types/chart.js/chart.js-tests.ts b/types/chart.js/chart.js-tests.ts
index 8d82393822..3f391ddd5a 100644
--- a/types/chart.js/chart.js-tests.ts
+++ b/types/chart.js/chart.js-tests.ts
@@ -411,15 +411,6 @@ if (doughnutChart.getDatasetMeta(0).data.length > 0) {
     console.log(doughnutChartView.y);
 }
 
-// Passing readonly data as ChartData
-const readonlyDataInput: {
-    labels: ReadonlyArray<string>;
-    datasets: ReadonlyArray<{
-        data: number[];
-    }>;
-} = { labels: [], datasets: [] };
-const readonlyData: Chart.ChartData = readonlyDataInput;
-
 // Time Cartesian Axis
 const timeAxisChartData: Chart.ChartData = {
     datasets: [{
diff --git a/types/chart.js/index.d.ts b/types/chart.js/index.d.ts
index 17698d362a..d40d1d8c23 100644
--- a/types/chart.js/index.d.ts
+++ b/types/chart.js/index.d.ts
@@ -243,8 +243,8 @@ declare namespace Chart {
     }
 
     interface ChartData {
-        labels?: ReadonlyArray<string | ReadonlyArray<string> | number | ReadonlyArray<number> | Date | ReadonlyArray<Date> | Moment | ReadonlyArray<Moment>>;
-        datasets?: ReadonlyArray<ChartDataSets>;
+        labels?: Array<string | string[] | number | number[] | Date | Date[] | Moment | Moment[]>;
+        datasets?: ChartDataSets[];
     }
 
     interface RadialChartOptions extends ChartOptions {