electron mock ipc. turn off eslint console

Author: jgresham

.erb/configs/webpack.config.renderer.dev.ts

@@ -168,6 +168,7 @@ const configuration: webpack.Configuration = {
         shell: true,
         stdio: 'inherit',
       })
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
         .on('close', (code: number) => process.exit(code!))
         .on('error', (spawnError) => console.error(spawnError));
 
@@ -178,6 +179,7 @@ const configuration: webpack.Configuration = {
       })
         .on('close', (code: number) => {
           preloadProcess.kill();
+          // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
           process.exit(code!);
         })
         .on('error', (spawnError) => console.error(spawnError));

.eslintrc.js

@@ -6,6 +6,7 @@ module.exports = {
     'import/no-unresolved': 'error',
     // Since React 17 and typescript 4.1 you can safely disable the rule
     'react/react-in-jsx-scope': 'off',
+    'no-console': 'off',
   },
   parserOptions: {
     ecmaVersion: 2020,

globals.d.ts

@@ -0,0 +1 @@
+declare module 'await-sleep';

package-lock.json

@@ -110,7 +110,8 @@
     },
     "moduleNameMapper": {
       "\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/.erb/mocks/fileMock.js",
-      "\\.(css|less|sass|scss)$": "identity-obj-proxy"
+      "\\.(css|less|sass|scss)$": "identity-obj-proxy",
+      "^electron$": "<rootDir>/spec/mock/electron-mock.ts"
     },
     "moduleFileExtensions": [
       "js",
@@ -156,6 +157,7 @@
     "electron": "^16.0.5",
     "electron-builder": "22.13.1",
     "electron-devtools-installer": "^3.2.0",
+    "electron-mock-ipc": "^0.3.12",
     "electron-notarize": "^1.1.1",
     "electron-rebuild": "^3.2.5",
     "electronmon": "^2.0.2",

package.json

@@ -0,0 +1,5 @@
+import createIPCMock from 'electron-mock-ipc';
+
+const mocked = createIPCMock();
+const { ipcMain, ipcRenderer } = mocked;
+export { ipcMain, ipcRenderer };

spec/mock/electron-mock.ts

@@ -6,7 +6,7 @@ import sleep from 'await-sleep';
 // import fetch from 'node-fetch';
 
 import { send, CHANNELS, MESSAGES } from './messenger';
-import { exec, execAwait } from './execHelper';
+import { execAwait } from './execHelper';
 import { getNNDirPath, gethDataDir } from './files';
 
 const axios = require('axios').default;
@@ -25,7 +25,7 @@ export const downloadGeth = async () => {
     await access(gethDataDir());
   } catch {
     console.log('making geth data dir...');
-    const nnDir = await mkdir(gethDataDir());
+    await mkdir(gethDataDir());
   }
 
   try {
@@ -60,7 +60,7 @@ export const downloadGeth = async () => {
       console.log('done piping response from github to filestream');
       await fileWriteStream.close();
       // allow anyone to read the file
-      const chresults = await chmod(`${getNNDirPath()}/geth.tar.gz`, 0o444);
+      await chmod(`${getNNDirPath()}/geth.tar.gz`, 0o444);
     } catch (err2) {
       console.error(err2, 'error extracting geth');
       throw err2;

src/main/geth.ts

@@ -6,6 +6,7 @@ export const setWindow = (inMainWindow: BrowserWindow): void => {
   mainWindow = inMainWindow;
 };
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export const send = (channel: string, ...args: any[]): void => {
   if (!mainWindow) {
     console.error('mainWindow is unset');

src/main/messenger.ts

@@ -1,6 +1,6 @@
 import { powerSaveBlocker } from 'electron';
 
-let id: number;
+let id: number | undefined;
 // eslint-disable-next-line import/prefer-default-export
 export const dontSuspendSystem = () => {
   // "Block the system from entering low-power (sleep) mode."

src/main/power.ts

@@ -1,5 +1,6 @@
-import { useCallback, useEffect, useState } from 'react';
+import { useEffect, useState } from 'react';
 import { MemoryRouter as Router, Routes, Route } from 'react-router-dom';
+import { ipcRenderer } from 'electron';
 import { CHANNELS } from './messages';
 import './App.css';
 
@@ -16,7 +17,7 @@ const MainScreen = () => {
 
   useEffect(() => {
     console.log('App loaded. Initializing...');
-    window.electron.ipcRenderer.on(CHANNELS.geth, (message) => {
+    ipcRenderer.on(CHANNELS.geth, (_event, message) => {
       console.log('Geth status received: ', message);
       setStatus(message);
     });
@@ -27,13 +28,13 @@ const MainScreen = () => {
 
   const onClickStartGeth = async () => {
     // Send message to main process to start Geth
-    const status = await window.electron.startGeth();
+    await window.electron.startGeth();
     refreshGethStatus();
   };
 
   const onClickStopGeth = async () => {
     // Send message to main process to start Geth
-    const status = await window.electron.stopGeth();
+    await window.electron.stopGeth();
     refreshGethStatus();
   };