Add Karma again >.>

.gitignore

@@ -4,3 +4,4 @@
 *.swp
 node_modules
 !tests/*
+!karma.conf.js

karma.conf.js

@@ -0,0 +1,49 @@
+module.exports = function(config) {
+  const configuration = {
+      basePath: '',
+      frameworks: ['mocha', 'chai', 'karma-typescript'],
+      files: [
+        {
+          pattern: 'rpc.ts',
+          included: false,
+        },
+        {
+          pattern: 'tests/*.test.js',
+          included: false,
+        },
+        'tests/tests.js',
+      ],
+      preprocessors: {
+        'rpc.ts': ['karma-typescript'],
+      },
+      karmaTypescriptConfig: {
+        tsconfig: './tsconfig.json',
+        coverageOptions: {
+          instrumentation: false,
+        },
+      },
+      reporters: ['progress', 'karma-typescript'],
+      port: 9876,
+      colors: true,
+      logLevel: config.LOG_INFO,
+      autoWatch: true,
+      singleRun: true,
+      concurrency: Infinity,
+      browsers: ['ChromeCanary', 'Safari'],
+      customLaunchers: {
+        ChromeCanaryHarmony: {
+          base: 'ChromeCanary',
+          flags: ['--js-flags=--harmony'],
+        },
+        DockerChrome: {
+            base: 'ChromeHeadless',
+            flags: ['--no-sandbox'],
+        },
+      },
+    };
+
+    if (process.env.INSIDE_DOCKER)
+      configuration.browsers = ['DockerChrome'];
+
+    config.set(configuration);
+};

rpc.ts

@@ -38,7 +38,7 @@ interface InvocationRequest {
   id?: string;
   type: InvocationType;
   callPath: PropertyKey[];
-  argumentsList?: any[];
+  argumentsList?: Iterable<any>;
 }
 
 type InvocationType = 'CONSTRUCT' | 'GET' | 'APPLY';
@@ -98,12 +98,10 @@ function batchingProxy(cb: BatchingProxyCallback): Proxy {
     apply(_target, _thisArg, argumentsList) {
       // We use `bind` as an indicator to have a remote function bound locally.
       // The actual target for `bind()` is currently ignored.
-      if(callPath[callPath.length - 1] === 'bind') {
+      if (callPath[callPath.length - 1] === 'bind') {
         const localCallPath = callPath.slice();
         callPath = [];
-        return (...args: any[]) => {
-          return cb('APPLY', localCallPath.slice(0, -1), args);
-        }
+        return (...args: any[]) => cb('APPLY', localCallPath.slice(0, -1), args);
       }
       const r = cb('APPLY', callPath, argumentsList);
       callPath = [];
@@ -222,7 +220,7 @@ function makeInvocationResult(obj: any): InvocationResult {
 }
 
 export function invoker(rootObj: any, endpoint: Endpoint) {
-  if(endpoint instanceof MessagePort)
+  if (endpoint instanceof MessagePort)
     endpoint.start();
   endpoint.addEventListener('message', async function(event: MessageEvent) {
     const irequest = event.data as InvocationRequest;