Make karma config file a .cjs file

Fixes “require() of ES Module …/config.js not supported” error

Author: jcmosc

karma.conf.js renamed to karma.conf.cjs

@@ -45,6 +45,11 @@ module.exports = (karma) => {
     }
   });
 
+  config.files.push({
+    pattern: "test/**/*.js",
+    type: "module"
+  });
+
   if (config.logLevel !== karma.LOG_DISABLE) {
     console.debug("Karma Config:\n", nodeUtil.inspect(config, {
       depth: 10,

package.json

@@ -55,7 +55,7 @@
     "lint": "eslint lib test/fixtures test/specs",
     "test": "npm run test:node && npm run test:typescript && npm run test:browser && npm run lint",
     "test:node": "mocha",
-    "test:browser": "cross-env NODE_OPTIONS=--openssl-legacy-provider karma start --single-run",
+    "test:browser": "cross-env NODE_OPTIONS=--openssl-legacy-provider karma start karma.conf.cjs --single-run",
     "test:typescript": "tsc --noEmit --strict --lib esnext,dom test/specs/typescript-definition.spec.ts",
     "coverage": "npm run coverage:node && npm run coverage:browser",
     "coverage:node": "nyc node_modules/mocha/bin/mocha",