more tweaks for karma

Author: gfx

karma.conf.ts

@@ -21,6 +21,10 @@ export default function configure(config: any) {
 
     webpack: {
       mode: "development",
+
+      // Handles NodeJS polyfills
+      // https://webpack.js.org/configuration/node
+      // Note that the dependencies in https://github.com/webpack/node-libs-browser are sometimes too old.
       node: {
         assert: false,
         util: false,
@@ -39,6 +43,7 @@ export default function configure(config: any) {
             loader: "ts-loader",
             options: {
               configFile: "tsconfig.karma.json",
+              // FIXME: some types for dependencies cannot be resolved, so ignore type checking for now.
               transpileOnly: true,
             },
           },

package.json

@@ -13,8 +13,8 @@
     "test": "mocha 'test/**/*.test.ts'",
     "test:cover": "npx nyc mocha 'test/**/*.test.ts'",
     "test:browser": "karma start",
-    "test:browser:firefox": "karma start --single-run --borwsers Firefox",
-    "test:browser:chrome": "karma start --single-run --borwsers Chrome",
+    "test:browser:firefox": "karma start --single-run --borwsers FirefoxHedless",
+    "test:browser:chrome": "karma start --single-run --borwsers ChromeHeadless",
     "lint": "eslint --ext .ts src test",
     "lint:fix": "eslint --fix --ext .ts src test && npm run format",
     "lint:print-config": "eslint --print-config .eslintrc.js",