yarn upgrade

karma.conf.ts → karma.conf.js

@@ -1,9 +1,8 @@
-import * as karma from 'karma';
 
 // Karma configuration
 // Generated on Wed May 27 2020 14:52:46 GMT-0400 (Eastern Daylight Time)
 
-module.exports = (config: karma.Config): void => {
+module.exports = (config) => {
   config.set({
     // enable / disable watching file and executing tests whenever any file changes
     autoWatch: true,
@@ -25,8 +24,25 @@ module.exports = (config: karma.Config): void => {
     // list of files / patterns to exclude
     exclude: [],
 
+    karmaTypescriptConfig: {
+      bundlerOptions: {
+        acornOptions: {
+          ecmaVersion: 11,
+        },
+        transforms: [
+          require('karma-typescript-es6-transform')()
+        ]
+      }
+    },
+
     // list of files / patterns to load in the browser
-    files: ['src/*.ts', 'src/**/*.ts', 'test/*.ts', 'test/**/*.ts'],
+    files: [
+      'node_modules/@babel/polyfill/dist/polyfill.js',
+      'src/*.ts',
+      'src/**/*.ts',
+      'test/*.ts',
+      'test/**/*.ts'
+    ],
 
     // frameworks to use
     // available frameworks: https://npmjs.org/browse/keyword/karma-adapter

package.json

@@ -34,6 +34,7 @@
   ],
   "dependencies": {},
   "devDependencies": {
+    "@babel/polyfill": "^7.12.1",
     "@types/jasmine": "^3.5.10",
     "@types/karma": "^5.0.0",
     "@types/node": "^14.0.5",
@@ -53,6 +54,7 @@
     "karma-jasmine": "^3.2.0",
     "karma-spec-reporter": "^0.0.32",
     "karma-typescript": "^5.0.3",
+    "karma-typescript-es6-transform": "^5.2.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.0.5",
     "release-it": "^13.6.1",

tsconfig.json

@@ -9,6 +9,7 @@
     "strict": true,
     "target": "es5",
     "typeRoots": ["node_modules/@types"],
-    "types": ["node"]
-  }
+    "types": ["jasmine", "node"]
+  },
+  "exclude": ["node_modules"]
 }