fix: add canvas polyfill

Author: sgratzl

package.json

@@ -70,6 +70,7 @@
     "@typescript-eslint/parser": "^4.13.0",
     "@yarnpkg/pnpify": "^2.4.0",
     "canvas": "^2.6.1",
+    "canvas-5-polyfill": "^0.1.5",
     "chart.js": "^3.0.0-beta.9",
     "eslint": "^7.18.0",
     "eslint-config-prettier": "^7.1.0",

src/__tests__/createChart.ts

@@ -3,6 +3,7 @@
 
 import { Chart, ChartConfiguration, defaults, ChartType, DefaultDataPoint } from 'chart.js';
 import { toMatchImageSnapshot, MatchImageSnapshotOptions } from 'jest-image-snapshot';
+import 'canvas-5-polyfill';
 
 expect.extend({ toMatchImageSnapshot });
 

yarn.lock

@@ -985,6 +985,7 @@ __metadata:
     "@typescript-eslint/parser": ^4.13.0
     "@yarnpkg/pnpify": ^2.4.0
     canvas: ^2.6.1
+    canvas-5-polyfill: ^0.1.5
     chart.js: ^3.0.0-beta.9
     eslint: ^7.18.0
     eslint-config-prettier: ^7.1.0
@@ -2338,6 +2339,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"canvas-5-polyfill@npm:^0.1.5":
+  version: 0.1.5
+  resolution: "canvas-5-polyfill@npm:0.1.5"
+  checksum: d9be86b8e363ea063a596c030fc97d7f2ac4b38ec34b0515c200e96e128c387758ef062b0ea9c46973701e1e230a69b4aa7d85d6bb2db010a975d8d5c1ab258b
+  languageName: node
+  linkType: hard
+
 "canvas@npm:^2.6.1":
   version: 2.6.1
   resolution: "canvas@npm:2.6.1"