replace "event.sender.send" call with "event.reply"

side changes:
- only electron 5+ is supported since earlier releases didn't have the "event.reply" method
- drop node 11 support

.travis.yml

@@ -3,7 +3,9 @@ branches:
     - "master"
 language: node_js
 node_js:
-  - "lts/*"
+  - "12"
+  - "10"
+  - "8"
 os:
   - linux
   - osx

package.json

@@ -1,6 +1,6 @@
 {
   "name": "electron-rpc-api",
-  "version": "5.1.0",
+  "version": "6.0.0-beta2",
   "description": "Wrapper around the Electron's IPC for building type-safe API based RPC-like and reactive interactions",
   "author": "Vladimir Yakovlev <[email protected]> (https://github.com/vladimiry)",
   "license": "MIT",
@@ -13,7 +13,7 @@
   ],
   "main": "./lib/index.js",
   "engines": {
-    "node": ">=8.9.4 <9 || >=10.0.0 < 11 || >=11"
+    "node": ">=8.9.4 <9 || >=10.0.0 <11 || >=12.0.0"
   },
   "scripts": {
     "lib": "npm-run-all lib:clean lint lib:compile test",
@@ -50,7 +50,7 @@
     "@types/sinon": "^7.0.13",
     "ava": "^1.2.1",
     "cross-env": "^5.2.0",
-    "electron": "^5.0.6",
+    "electron": "^6.0.0",
     "husky": "^3.0.0",
     "import-sort-cli": "^6.0.0",
     "import-sort-parser-typescript": "^6.0.0",

src/lib/ipc-main-api-service.ts

@@ -1,12 +1,12 @@
 import * as Lib from "pubsub-to-rpc-api";
-import {IpcMain, IpcMessageEvent, IpcRenderer} from "electron";
+import {IpcMain, IpcMainEvent, IpcRenderer} from "electron";
 
 import * as PM from "./private/model";
 import {curryOwnFunctionMembers} from "./private/util";
 import {requireIpcMain, requireIpcRenderer} from "./private/electron-require";
 
 // TODO infer from Electron.IpcMain["on"] listener arguments
-type DefACA = [IpcMessageEvent, ...PM.Any[]];
+type DefACA = [IpcMainEvent, ...PM.Any[]];
 
 type IpcMainEventEmittersCache = Pick<IpcMain, "on" | "removeListener" | "emit">;
 type IpcRendererEventEmittersCache = Pick<IpcRenderer, "on" | "removeListener" | "send">;
@@ -59,17 +59,12 @@ export function createIpcMainApiService<AD extends Lib.Model.ApiDefinition<AD>,
                 actions,
                 cachedEm,
                 {
-                    onEventResolver: (...[{sender}, payload]) => {
+                    onEventResolver: (...[event, payload]) => {
                         return {
                             payload,
                             emitter: {
                                 emit: (...args) => {
-                                    if (!sender.isDestroyed()) {
-                                        return sender.send(...args);
-                                    }
-                                    if (logger) {
-                                        logger.warn(`[${PM.MODULE_NAME}]`, `Object has been destroyed: "sender"`);
-                                    }
+                                    event.reply(...args);
                                 },
                             },
                         };