Fix undefined reference

chartjs · Oct 3, 2019 · 7d43350 · 7d43350
1 parent 7543654
commit 7d43350
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/annotation.js b/src/annotation.js
@@ -124,9 +124,11 @@ module.exports = function(Chart) {
 			}
 		},
 		destroy: function(chartInstance) {
-			var deregisterers = chartInstance.annotation.onDestroy;
-			while (deregisterers.length > 0) {
-				deregisterers.pop()();
+			if (chartInstance.annotation) {
+				var deregisterers = chartInstance.annotation.onDestroy;
+				while (deregisterers.length > 0) {
+					deregisterers.pop()();
+				}
 			}
 		}
 	};