├── renderer
    ├── src
    │   ├── vite-env.d.ts
    │   ├── utils
    │   │   └── trpc.ts
    │   ├── main.tsx
    │   ├── App.css
    │   ├── index.css
    │   ├── Home.tsx
    │   ├── App.tsx
    │   └── assets
    │   │   └── react.svg
    ├── tsconfig.json
    ├── index.html
    ├── .eslintrc.cjs
    ├── public
    │   └── vite.svg
    └── vite.config.ts
├── .prettierignore
├── .eslintignore
├── .gitignore
├── types
    ├── index.ts
    ├── exposedInMainWorld.d.ts
    └── main-env.d.ts
├── tsconfig.json
├── scripts
    ├── tsconfig.json
    ├── watchWeb.ts
    ├── update-electron-vendors.mjs
    ├── compile.ts
    └── watchDesktop.ts
├── api
    ├── context.ts
    ├── router
    │   ├── index.ts
    │   └── example.ts
    ├── tsconfig.json
    └── db
    │   └── client.ts
├── prisma
    └── schema.prisma
├── tsconfig.node.json
├── preload
    ├── tsconfig.json
    ├── index.ts
    └── vite.config.ts
├── main
    ├── tsconfig.json
    ├── vite.config.ts
    ├── mainWindow.ts
    ├── security-restrictions.ts
    └── index.ts
├── .eslintrc.cjs
├── README.md
└── package.json


/renderer/src/vite-env.d.ts:
--------------------------------------------------------------------------------
1 | /// <reference types="vite/client" />
2 | 


--------------------------------------------------------------------------------
/.prettierignore:
--------------------------------------------------------------------------------
1 | node_modules
2 | dist
3 | package-lock.json
4 | .electron-vendors.cache.json


--------------------------------------------------------------------------------
/.eslintignore:
--------------------------------------------------------------------------------
1 | node_modules
2 | dist
3 | package-lock.json
4 | .electron-vendors.cache.json
5 | .eslintrc.cjs


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | node_modules
2 | .env
3 | generated
4 | dist
5 | .browserslistrc
6 | .electron-vendors.cache.json
7 | db.sqlite
8 | 
9 | .vscode


--------------------------------------------------------------------------------
/types/index.ts:
--------------------------------------------------------------------------------
1 | import { Operation } from "@trpc/client";
2 | import { TRPCResponse } from "@trpc/server/rpc";
3 | 
4 | export interface IPCResponse {
5 |   response: TRPCResponse;
6 | }
7 | 
8 | export type IPCRequestOptions = Operation;
9 | 


--------------------------------------------------------------------------------
/tsconfig.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "compilerOptions": {
 3 |     "module": "ESNext",
 4 |     "moduleResolution": "Node",
 5 |     "allowSyntheticDefaultImports": true,
 6 |     "esModuleInterop": true,
 7 |     "noEmit": true,
 8 |     "strict": true,
 9 |     "strictNullChecks": true
10 |   }
11 | }
12 | 


--------------------------------------------------------------------------------
/types/exposedInMainWorld.d.ts:
--------------------------------------------------------------------------------
1 | // https://www.electronjs.org/docs/latest/tutorial/context-isolation#usage-with-typescript
2 | interface Window {
3 |   readonly electronTRPC: {
4 |     rpc: (
5 |       op: import("./index").IPCRequestOptions
6 |     ) => Promise<import("./index").IPCResponse>;
7 |   };
8 | }
9 | 


--------------------------------------------------------------------------------
/renderer/src/utils/trpc.ts:
--------------------------------------------------------------------------------
1 | import type { AppRouter } from "../../../api/router/index";
2 | import { createTRPCReact } from "@trpc/react-query";
3 | import type { GetInferenceHelpers } from "@trpc/server";
4 | 
5 | export const trpc = createTRPCReact<AppRouter>();
6 | 
7 | export type InferProcedures = GetInferenceHelpers<AppRouter>;
8 | 


--------------------------------------------------------------------------------
/scripts/tsconfig.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "compilerOptions": {
 3 |     "module": "ESNext",
 4 |     "target": "ESNext",
 5 |     "moduleResolution": "NodeNext",
 6 |     "allowSyntheticDefaultImports": true,
 7 |     "esModuleInterop": true,
 8 |     "strict": true,
 9 |     "strictNullChecks": true
10 |   },
11 |   "ts-node": {
12 |     "esm": true
13 |   }
14 | }
15 | 


--------------------------------------------------------------------------------
/api/context.ts:
--------------------------------------------------------------------------------
 1 | import * as trpc from "@trpc/server";
 2 | import { prisma } from "./db/client";
 3 | 
 4 | export const createContext = async () => {
 5 |   return Promise.resolve({
 6 |     prisma,
 7 |   });
 8 | };
 9 | 
10 | export type Context = trpc.inferAsyncReturnType<typeof createContext>;
11 | 
12 | export const t = trpc.initTRPC.context<Context>().create();
13 | 


--------------------------------------------------------------------------------
/renderer/src/main.tsx:
--------------------------------------------------------------------------------
 1 | import React from "react";
 2 | import ReactDOM from "react-dom/client";
 3 | import App from "./App";
 4 | import "./index.css";
 5 | 
 6 | const rootEl = document.getElementById("root");
 7 | 
 8 | if (rootEl) {
 9 |   ReactDOM.createRoot(rootEl).render(
10 |     <React.StrictMode>
11 |       <App />
12 |     </React.StrictMode>
13 |   );
14 | }
15 | 


--------------------------------------------------------------------------------
/prisma/schema.prisma:
--------------------------------------------------------------------------------
 1 | // This is your Prisma schema file,
 2 | // learn more about it in the docs: https://pris.ly/d/prisma-schema
 3 | 
 4 | generator client {
 5 |   provider = "prisma-client-js"
 6 | }
 7 | 
 8 | datasource db {
 9 |   provider = "sqlite"
10 |   url      = "file:./../buildResources/db.sqlite"
11 | }
12 | 
13 | model Example {
14 |   id String @id @default(uuid())
15 | }
16 | 


--------------------------------------------------------------------------------
/tsconfig.node.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "compilerOptions": {
 3 |     "composite": true,
 4 |     "module": "ESNext",
 5 |     "moduleResolution": "Node",
 6 |     "allowSyntheticDefaultImports": true,
 7 |     "lib": ["ESNext"],
 8 |     "strict": true,
 9 |     "strictNullChecks": true,
10 |     "resolveJsonModule": true
11 |   },
12 |   "include": [
13 |     "renderer/vite.config.ts",
14 |     "main/vite.config.ts",
15 |     "preload/vite.config.ts",
16 |     ".electron-vendors.cache.json"
17 |   ]
18 | }
19 | 


--------------------------------------------------------------------------------
/api/router/index.ts:
--------------------------------------------------------------------------------
 1 | import { z } from "zod";
 2 | import { t } from "../context";
 3 | import { exampleRouter } from "./example";
 4 | 
 5 | export const appRouter = t.router({
 6 |   example: exampleRouter,
 7 |   greeting: t.procedure
 8 |     .input(z.object({ name: z.string() }).nullish())
 9 |     .query(({ input }) => {
10 |       return `hello tRPC v10, ${input?.name ?? "world"}!`;
11 |     }),
12 | });
13 | 
14 | // export type definition of API
15 | export type AppRouter = typeof appRouter;
16 | 


--------------------------------------------------------------------------------
/api/tsconfig.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "compilerOptions": {
 3 |     "module": "esnext",
 4 |     "target": "esnext",
 5 |     "sourceMap": false,
 6 |     "moduleResolution": "Node",
 7 |     "skipLibCheck": true,
 8 |     "strict": true,
 9 |     "strictNullChecks": true,
10 |     "isolatedModules": true,
11 |     "types": ["node"],
12 |     "allowSyntheticDefaultImports": true,
13 |     "baseUrl": ".",
14 |     "noEmit": true
15 |   },
16 |   "include": ["./**/*.ts", "./**/*.d.ts", "./../types/main-env.d.ts"]
17 | }
18 | 


--------------------------------------------------------------------------------
/preload/tsconfig.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "compilerOptions": {
 3 |     "module": "esnext",
 4 |     "target": "esnext",
 5 |     "sourceMap": false,
 6 |     "moduleResolution": "Node",
 7 |     "skipLibCheck": true,
 8 |     "strict": true,
 9 |     "strictNullChecks": true,
10 |     "isolatedModules": true,
11 |     "types": ["node"],
12 |     "baseUrl": ".",
13 |     "resolveJsonModule": true,
14 |     "noEmit": true
15 |   },
16 |   "include": ["./**/*.ts", "./**/*.d.ts"],
17 |   "references": [{ "path": "../tsconfig.node.json" }]
18 | }
19 | 


--------------------------------------------------------------------------------
/api/router/example.ts:
--------------------------------------------------------------------------------
 1 | import { t } from "../context";
 2 | import { randomUUID } from "crypto";
 3 | import { z } from "zod";
 4 | 
 5 | export const exampleRouter = t.router({
 6 |   getAll: t.procedure.query(({ ctx }) => {
 7 |     return ctx.prisma.example.findMany();
 8 |   }),
 9 |   add: t.procedure.mutation(({ ctx }) => {
10 |     return ctx.prisma.example.create({
11 |       data: { id: randomUUID() },
12 |     });
13 |   }),
14 |   remove: t.procedure
15 |     .input(z.object({ id: z.string().uuid() }))
16 |     .mutation(({ ctx, input }) => {
17 |       return ctx.prisma.example.delete({
18 |         where: { id: input.id },
19 |       });
20 |     }),
21 | });
22 | 


--------------------------------------------------------------------------------
/main/tsconfig.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "compilerOptions": {
 3 |     "module": "esnext",
 4 |     "target": "esnext",
 5 |     "sourceMap": false,
 6 |     "moduleResolution": "Node",
 7 |     "skipLibCheck": true,
 8 |     "strict": true,
 9 |     "strictNullChecks": true,
10 |     "esModuleInterop": true,
11 |     "isolatedModules": true,
12 |     "lib": ["esnext"],
13 |     "types": ["node", "vite/client"],
14 |     "baseUrl": ".",
15 |     "paths": {
16 |       "/@/*": ["./*"]
17 |     },
18 |     "resolveJsonModule": true,
19 |     "noEmit": true
20 |   },
21 |   "include": ["./**/*.ts", "./**/*.d.ts", "./../types/main-env.d.ts"],
22 |   "references": [{ "path": "../tsconfig.node.json" }]
23 | }
24 | 


--------------------------------------------------------------------------------
/scripts/watchWeb.ts:
--------------------------------------------------------------------------------
 1 | import { createServer, createLogger } from "vite";
 2 | 
 3 | // process.env.MODE is used in various vite config files
 4 | const mode = (process.env.MODE = process.env.MODE ?? "development");
 5 | 
 6 | /**
 7 |  * Setup server for `web`
 8 |  * On file changes: hot reload
 9 |  */
10 | function createWebWatchServer() {
11 |   const server = createServer({
12 |     mode,
13 |     customLogger: createLogger("info", { prefix: `[web]` }),
14 |     configFile: "renderer/vite.config.ts",
15 |   });
16 | 
17 |   return server;
18 | }
19 | 
20 | // start webserver
21 | const server = await createWebWatchServer();
22 | await server.listen();
23 | 
24 | export { server as listeningWebServer };
25 | 


--------------------------------------------------------------------------------
/renderer/tsconfig.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "compilerOptions": {
 3 |     "target": "ESNext",
 4 |     "useDefineForClassFields": true,
 5 |     "lib": ["DOM", "DOM.Iterable", "ESNext"],
 6 |     "allowJs": false,
 7 |     "skipLibCheck": true,
 8 |     "esModuleInterop": false,
 9 |     "allowSyntheticDefaultImports": true,
10 |     "strict": true,
11 |     "strictNullChecks": true,
12 |     "forceConsistentCasingInFileNames": true,
13 |     "module": "ESNext",
14 |     "moduleResolution": "Node",
15 |     "resolveJsonModule": true,
16 |     "isolatedModules": true,
17 |     "noEmit": true,
18 |     "jsx": "react-jsx"
19 |   },
20 |   "include": ["src", "../types/exposedInMainWorld.d.ts"],
21 |   "references": [{ "path": "../tsconfig.node.json" }]
22 | }
23 | 


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/scripts/update-electron-vendors.mjs:
--------------------------------------------------------------------------------
 1 | /* eslint-env node */
 2 | /**
 3 |  * This script should be run in electron context
 4 |  * @example
 5 |  *  ELECTRON_RUN_AS_NODE=1 electron scripts/update-electron-vendors.mjs
 6 |  */
 7 | 
 8 | import { writeFileSync } from "fs";
 9 | import path from "path";
10 | 
11 | const electronRelease = process.versions;
12 | 
13 | const node = electronRelease.node.split(".")[0];
14 | const chrome = electronRelease.v8.split(".").splice(0, 2).join("");
15 | 
16 | const browserslistrcPath = path.resolve(process.cwd(), ".browserslistrc");
17 | 
18 | writeFileSync(
19 |   "./.electron-vendors.cache.json",
20 |   JSON.stringify({ chrome, node })
21 | );
22 | writeFileSync(browserslistrcPath, `Chrome ${chrome}`, "utf8");
23 | 


--------------------------------------------------------------------------------
/renderer/src/App.css:
--------------------------------------------------------------------------------
 1 | #root {
 2 |   max-width: 1280px;
 3 |   margin: 0 auto;
 4 |   padding: 2rem;
 5 |   text-align: center;
 6 | }
 7 | 
 8 | .logo {
 9 |   height: 6em;
10 |   padding: 1.5em;
11 |   will-change: filter;
12 | }
13 | .logo:hover {
14 |   filter: drop-shadow(0 0 2em #646cffaa);
15 | }
16 | .logo.react:hover {
17 |   filter: drop-shadow(0 0 2em #61dafbaa);
18 | }
19 | 
20 | @keyframes logo-spin {
21 |   from {
22 |     transform: rotate(0deg);
23 |   }
24 |   to {
25 |     transform: rotate(360deg);
26 |   }
27 | }
28 | 
29 | @media (prefers-reduced-motion: no-preference) {
30 |   a:nth-of-type(2) .logo {
31 |     animation: logo-spin infinite 20s linear;
32 |   }
33 | }
34 | 
35 | .example:hover {
36 |   cursor: pointer;
37 |   color: #f87171;
38 | }
39 | 


--------------------------------------------------------------------------------
/renderer/index.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="en">
 3 |   <head>
 4 |     <meta charset="UTF-8" />
 5 |     <!-- https://www.electronjs.org/docs/latest/tutorial/security#7-define-a-content-security-policy -->
 6 |     <!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
 7 |     <meta
 8 |       http-equiv="Content-Security-Policy"
 9 |       content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'"
10 |     />
11 |     <link rel="icon" type="image/svg+xml" href="/vite.svg" />
12 |     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
13 |     <title>Vite + React + TS</title>
14 |   </head>
15 |   <body>
16 |     <div id="root"></div>
17 |     <script type="module" src="/src/main.tsx"></script>
18 |   </body>
19 | </html>
20 | 


--------------------------------------------------------------------------------
/.eslintrc.cjs:
--------------------------------------------------------------------------------
 1 | // @ts-check
 2 | 
 3 | /** @type {import("eslint").Linter.Config} */
 4 | const eslintConfig = {
 5 |   root: true,
 6 |   parser: "@typescript-eslint/parser",
 7 |   parserOptions: {
 8 |     tsconfigRootDir: __dirname,
 9 |     project: ["./*/tsconfig.json", "./tsconfig.node.json", "./tsconfig.json"],
10 |   },
11 |   plugins: ["@typescript-eslint"],
12 |   extends: [
13 |     "eslint:recommended",
14 |     "plugin:@typescript-eslint/eslint-recommended", // disable core eslint rules that conflict with replacement @typescript-eslint rules
15 |     "plugin:@typescript-eslint/recommended",
16 |     "plugin:@typescript-eslint/recommended-requiring-type-checking",
17 |     "plugin:@typescript-eslint/strict",
18 |     "prettier", // config-prettier disables eslint rules that conflict with prettier
19 |   ],
20 |   rules: {},
21 | };
22 | 
23 | module.exports = eslintConfig;
24 | 


--------------------------------------------------------------------------------
/types/main-env.d.ts:
--------------------------------------------------------------------------------
 1 | /// <reference types="vite/client" />
 2 | 
 3 | /**
 4 |  * Describes all existing environment variables and their types.
 5 |  * Required for Code completion and type checking
 6 |  *
 7 |  * Note: To prevent accidentally leaking env variables to the client, only variables prefixed with `VITE_` are exposed to your Vite-processed code
 8 |  *
 9 |  * @see https://github.com/vitejs/vite/blob/cab55b32de62e0de7d7789e8c2a1f04a8eae3a3f/packages/vite/types/importMeta.d.ts#L62-L69 Base Interface
10 |  * @see https://vitejs.dev/guide/env-and-mode.html#env-files Vite Env Variables Doc
11 |  */
12 | interface ImportMetaEnv {
13 |   /**
14 |    * The value of the variable is set in scripts/watchDesktop.ts and depend on main/vite.config.ts
15 |    */
16 |   readonly VITE_DEV_SERVER_URL: undefined | string;
17 | }
18 | 
19 | interface ImportMeta {
20 |   readonly env: ImportMetaEnv;
21 | }
22 | 


--------------------------------------------------------------------------------
/preload/index.ts:
--------------------------------------------------------------------------------
 1 | import { contextBridge, ipcRenderer } from "electron";
 2 | import type { IpcRenderer, ContextBridge } from "electron";
 3 | import type { IPCRequestOptions } from "../types";
 4 | 
 5 | export const exposeElectronTRPC = ({
 6 |   contextBridge,
 7 |   ipcRenderer,
 8 | }: {
 9 |   contextBridge: ContextBridge;
10 |   ipcRenderer: IpcRenderer;
11 | }) => {
12 |   return contextBridge.exposeInMainWorld("electronTRPC", {
13 |     rpc: (opts: IPCRequestOptions) => ipcRenderer.invoke("electron-trpc", opts),
14 |   });
15 | };
16 | 
17 | process.once("loaded", () => {
18 |   exposeElectronTRPC({ contextBridge, ipcRenderer });
19 |   // If you expose something here, you get window.something in the React app
20 |   // type it in types/exposedInMainWorld.d.ts to add it to the window type
21 |   // contextBridge.exposeInMainWorld("something", {
22 |   //   exposedThing: "this value was exposed via the preload file",
23 |   // });
24 | });
25 | 


--------------------------------------------------------------------------------
/scripts/compile.ts:
--------------------------------------------------------------------------------
 1 | import builder from "electron-builder";
 2 | 
 3 | if (process.env.VITE_APP_VERSION === undefined) {
 4 |   const now = new Date();
 5 |   process.env.VITE_APP_VERSION = `${now.getUTCFullYear() - 2000}.${
 6 |     now.getUTCMonth() + 1
 7 |   }.${now.getUTCDate()}-${now.getUTCHours() * 60 + now.getUTCMinutes()}`;
 8 | }
 9 | 
10 | const config: builder.Configuration = {
11 |   directories: {
12 |     output: "dist",
13 |     buildResources: "buildResources",
14 |   },
15 |   files: ["main/dist/**", "preload/dist/**", "renderer/dist/**"],
16 |   extraMetadata: {
17 |     version: process.env.VITE_APP_VERSION,
18 |   },
19 |   extraResources: [
20 |     "buildResources/db.sqlite",
21 |     "node_modules/.prisma/**/*",
22 |     "node_modules/@prisma/client/**/*",
23 |   ],
24 | };
25 | 
26 | builder
27 |   .build({
28 |     config,
29 |     dir: true,
30 |   })
31 |   .then((result) => {
32 |     console.log(JSON.stringify(result));
33 |   })
34 |   .catch((error) => {
35 |     console.error(error);
36 |   });
37 | 


--------------------------------------------------------------------------------
/renderer/.eslintrc.cjs:
--------------------------------------------------------------------------------
 1 | // @ts-check
 2 | 
 3 | /** @type {import("eslint").Linter.Config} */
 4 | const eslintConfig = {
 5 |   root: false,
 6 |   env: {
 7 |     browser: true,
 8 |     es2021: true,
 9 |   },
10 |   extends: [
11 |     "eslint:recommended",
12 |     "plugin:@typescript-eslint/eslint-recommended", // disable core eslint rules that conflict with replacement @typescript-eslint rules
13 |     "plugin:@typescript-eslint/recommended",
14 |     "plugin:@typescript-eslint/recommended-requiring-type-checking",
15 |     "plugin:@typescript-eslint/strict",
16 |     "plugin:react/recommended",
17 |     "plugin:react/jsx-runtime",
18 |     "plugin:react-hooks/recommended",
19 |     "prettier", // config-prettier disables eslint rules that conflict with prettier
20 |   ],
21 |   settings: {
22 |     react: {
23 |       version: "detect",
24 |     },
25 |   },
26 |   parser: "@typescript-eslint/parser",
27 |   parserOptions: {
28 |     tsconfigRootDir: __dirname,
29 |     ecmaVersion: "latest",
30 |     sourceType: "module",
31 |     project: ["./tsconfig.json", "../tsconfig.node.json"],
32 |   },
33 |   plugins: ["react", "react-hooks", "@typescript-eslint"],
34 |   rules: {},
35 |   overrides: [],
36 | };
37 | 
38 | module.exports = eslintConfig;
39 | 


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/renderer/public/vite.svg:
--------------------------------------------------------------------------------
1 | <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>


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/renderer/src/index.css:
--------------------------------------------------------------------------------
 1 | :root {
 2 |   font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
 3 |   font-size: 16px;
 4 |   line-height: 24px;
 5 |   font-weight: 400;
 6 | 
 7 |   color-scheme: light dark;
 8 |   color: rgba(255, 255, 255, 0.87);
 9 |   background-color: #242424;
10 | 
11 |   font-synthesis: none;
12 |   text-rendering: optimizeLegibility;
13 |   -webkit-font-smoothing: antialiased;
14 |   -moz-osx-font-smoothing: grayscale;
15 |   -webkit-text-size-adjust: 100%;
16 | }
17 | 
18 | a {
19 |   font-weight: 500;
20 |   color: #646cff;
21 |   text-decoration: inherit;
22 | }
23 | a:hover {
24 |   color: #535bf2;
25 | }
26 | 
27 | body {
28 |   margin: 0;
29 |   display: flex;
30 |   min-width: 320px;
31 |   min-height: 100vh;
32 | }
33 | 
34 | h1 {
35 |   font-size: 3.2em;
36 |   line-height: 1.1;
37 | }
38 | 
39 | button {
40 |   border-radius: 8px;
41 |   border: 1px solid transparent;
42 |   padding: 0.6em 1.2em;
43 |   font-size: 1em;
44 |   font-weight: 500;
45 |   font-family: inherit;
46 |   background-color: #1a1a1a;
47 |   cursor: pointer;
48 |   transition: border-color 0.25s;
49 | }
50 | button:hover {
51 |   border-color: #646cff;
52 | }
53 | button:focus,
54 | button:focus-visible {
55 |   outline: 4px auto -webkit-focus-ring-color;
56 | }
57 | 
58 | @media (prefers-color-scheme: light) {
59 |   :root {
60 |     color: #213547;
61 |     background-color: #ffffff;
62 |   }
63 |   a:hover {
64 |     color: #747bff;
65 |   }
66 |   button {
67 |     background-color: #f9f9f9;
68 |   }
69 | }
70 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | Based on: https://github.com/cawa-93/vite-electron-builder
 2 | The tRPC over IPC code is based on [the electron-trpc package](https://github.com/jsonnull/electron-trpc), adapted to support tRPC v10 by using [tRPC source](https://github.com/trpc/trpc/tree/next).
 3 | 
 4 | ## Running locally
 5 | 
 6 | - Run `npm run bootstrap`.
 7 |   This installs the dependencies and sets up the database.
 8 | 
 9 | - Run `npm run dev`
10 |   This starts a development watch process using `vite`.
11 |   It hot reloads on changes to `renderer/`
12 |   It reloads the web page on changes to `preload/`
13 |   It fully reloads the Electron app on changes to `main/`
14 | 
15 | ## Packaging the app
16 | 
17 | `electron-builder` is used to compile this codebase into an executable.
18 | 
19 | - Run `npm run compile`
20 | 
21 | This executes the `scripts/compile.ts` file.
22 | It uses the `electron-builder` programmatic API.
23 | 
24 | If you want to compile an installable executable, change `dir` to `false` in the call to `build()`.
25 | 
26 | [`electron-builder` API docs](https://www.electron.build/api/electron-builder)
27 | 
28 | ## Notes
29 | 
30 | The `resolve.alias` stuff in `vite.config.ts` files is needed because https://github.com/vitejs/vite/issues/6828
31 | 
32 | By default, the Content-Security-Policy allows inline `<style>` tags.
33 | If you use a different method of applying CSS, change the relevant line in `renderer/index.html`.
34 | eg:
35 | 
36 | ```html
37 | <meta
38 |   http-equiv="Content-Security-Policy"
39 |   content="default-src 'self'; script-src 'self'; style-src 'self'"
40 | />
41 | ```
42 | 


--------------------------------------------------------------------------------
/api/db/client.ts:
--------------------------------------------------------------------------------
 1 | import { PrismaClient } from "@prisma/client";
 2 | import path from "path";
 3 | // need to import something from "electron" to add electron-specific types to `process`
 4 | import type {} from "electron";
 5 | // https://www.electronjs.org/docs/latest/api/process
 6 | // importing dbPath from main errors with "cannot access dbPath before initialization" is that temporal-dead-zone?
 7 | // importing dbPath from preload errors with "cannot read undefined on exposeInMainWorld"
 8 | // https://www.prisma.io/docs/guides/performance-and-optimization/connection-management#prevent-hot-reloading-from-creating-new-instances-of-prismaclient
 9 | // add prisma to the global type
10 | type GlobalThis = typeof globalThis;
11 | interface CustomGlobalThis extends GlobalThis {
12 |   prisma?: PrismaClient;
13 | }
14 | 
15 | // Prevent multiple instances of Prisma Client in development
16 | // must use var, not let or const: https://stackoverflow.com/questions/35074713/extending-typescript-global-object-in-node-js/68328575#68328575
17 | // eslint-disable-next-line no-var
18 | declare var global: CustomGlobalThis;
19 | 
20 | const dbPath =
21 |   process.env.NODE_ENV === "development"
22 |     ? path.join(__dirname, "../../buildResources/db.sqlite")
23 |     : path.join(process.resourcesPath, "buildResources/db.sqlite");
24 | 
25 | export const prisma =
26 |   global.prisma ??
27 |   new PrismaClient({
28 |     datasources: {
29 |       db: {
30 |         url: `file:${dbPath}`,
31 |       },
32 |     },
33 |     log: ["query", "info"],
34 |   });
35 | 
36 | if (process.env.NODE_ENV !== "production") {
37 |   global.prisma = prisma;
38 | }
39 | 


--------------------------------------------------------------------------------
/preload/vite.config.ts:
--------------------------------------------------------------------------------
 1 | import { chrome } from "../.electron-vendors.cache.json";
 2 | import { builtinModules } from "module";
 3 | import { defineConfig } from "vite";
 4 | 
 5 | const PACKAGE_ROOT = __dirname;
 6 | 
 7 | // why is this needed? Isn't `chrome` typed as "string" already?
 8 | if (typeof chrome !== "string") {
 9 |   throw new Error(`The imported vendor version was not a string`);
10 | }
11 | 
12 | // https://vitejs.dev/config/
13 | // import.meta vite specific vars have not been injected yet here.
14 | // for example: import.meta.env.MODE isn't available and automatically gets set to "production" during vite build
15 | // to override that behaviour: set an env MODE variable and pass a mode: process.env.MODE to the vite config
16 | // https://vitejs.dev/guide/env-and-mode.html
17 | export default defineConfig({
18 |   mode: process.env.MODE,
19 |   root: PACKAGE_ROOT,
20 |   envDir: process.cwd(),
21 |   build: {
22 |     ssr: true,
23 |     target: `chrome${chrome}`,
24 |     sourcemap: "inline",
25 |     outDir: "dist",
26 |     emptyOutDir: true,
27 |     assetsDir: ".",
28 |     // set to development in the watch script
29 |     minify: process.env.MODE !== "development",
30 |     lib: {
31 |       entry: "./index.ts",
32 |       formats: ["cjs"],
33 |     },
34 |     rollupOptions: {
35 |       output: {
36 |         entryFileNames: "[name].cjs",
37 |       },
38 |       external: [
39 |         // Exclude Electron from build.
40 |         "electron",
41 |         // Exclude Node builtin modules.
42 |         ...builtinModules.flatMap((p) => [p, `node:${p}`]),
43 |       ],
44 |     },
45 |     reportCompressedSize: false,
46 |   },
47 | });
48 | 


--------------------------------------------------------------------------------
/renderer/src/Home.tsx:
--------------------------------------------------------------------------------
 1 | import "./App.css";
 2 | import { trpc } from "./utils/trpc";
 3 | import reactLogo from "./assets/react.svg";
 4 | 
 5 | function Home() {
 6 |   const examples = trpc.example.getAll.useQuery();
 7 |   const utils = trpc.useContext();
 8 |   const addExample = trpc.example.add.useMutation({
 9 |     async onSuccess() {
10 |       await utils.example.getAll.invalidate();
11 |     },
12 |   });
13 |   const removeExample = trpc.example.remove.useMutation({
14 |     async onSuccess() {
15 |       await utils.example.getAll.invalidate();
16 |     },
17 |   });
18 |   const greeting = trpc.greeting.useQuery({ name: "Nicky" });
19 | 
20 |   return (
21 |     <div className="App">
22 |       <div>
23 |         <a href="https://vitejs.dev" target="_blank" rel="noreferrer">
24 |           <img src="vite.svg" className="logo" alt="Vite logo" />
25 |         </a>
26 |         <a href="https://reactjs.org" target="_blank" rel="noreferrer">
27 |           <img src={reactLogo} className="logo react" alt="React logo" />
28 |         </a>
29 |       </div>
30 |       <p>{greeting.data}</p>
31 |       <button onClick={() => addExample.mutate()}>ADD example</button>
32 |       <ul>
33 |         {examples.data?.map((example, idx) => {
34 |           return (
35 |             <li
36 |               key={idx}
37 |               className="example"
38 |               onClick={() => {
39 |                 removeExample.mutate({ id: example.id });
40 |               }}
41 |             >
42 |               <span>{example.id}</span>
43 |             </li>
44 |           );
45 |         })}
46 |       </ul>
47 |     </div>
48 |   );
49 | }
50 | 
51 | export default Home;
52 | 


--------------------------------------------------------------------------------
/renderer/vite.config.ts:
--------------------------------------------------------------------------------
 1 | import { chrome } from "../.electron-vendors.cache.json";
 2 | import { defineConfig } from "vite";
 3 | import react from "@vitejs/plugin-react";
 4 | import { join } from "path";
 5 | import { builtinModules } from "module";
 6 | 
 7 | const PACKAGE_ROOT = __dirname;
 8 | 
 9 | // why is this needed? Isn't `chrome` typed as "string" already?
10 | if (typeof chrome !== "string") {
11 |   throw new Error(`The imported vendor version was not a string`);
12 | }
13 | 
14 | // https://vitejs.dev/config/
15 | // import.meta vite specific vars have not been injected yet here.
16 | // for example: import.meta.env.MODE isn't available and automatically gets set to "production" during vite build
17 | // to override that behaviour: set an env MODE variable and pass a mode: process.env.MODE to the vite config
18 | // https://vitejs.dev/guide/env-and-mode.html
19 | export default defineConfig({
20 |   mode: process.env.MODE,
21 |   root: PACKAGE_ROOT,
22 |   envDir: process.cwd(),
23 |   resolve: {
24 |     alias: {
25 |       "/@/": join(PACKAGE_ROOT, "src") + "/",
26 |     },
27 |   },
28 |   base: "./",
29 |   server: {
30 |     fs: {
31 |       strict: true,
32 |     },
33 |   },
34 |   build: {
35 |     target: `chrome${chrome}`,
36 |     sourcemap: "inline",
37 |     outDir: "dist",
38 |     emptyOutDir: true,
39 |     assetsDir: ".",
40 |     // set to development in the watch script
41 |     minify: process.env.MODE !== "development",
42 |     rollupOptions: {
43 |       input: join(PACKAGE_ROOT, "index.html"),
44 |       external: [
45 |         // Exclude Node builtin modules.
46 |         ...builtinModules.flatMap((p) => [p, `node:${p}`]),
47 |       ],
48 |     },
49 |     reportCompressedSize: false,
50 |   },
51 |   plugins: [react()],
52 | });
53 | 


--------------------------------------------------------------------------------
/main/vite.config.ts:
--------------------------------------------------------------------------------
 1 | import { node } from "../.electron-vendors.cache.json";
 2 | import { join } from "path";
 3 | 
 4 | import { defineConfig } from "vite";
 5 | import { builtinModules } from "module";
 6 | 
 7 | const PACKAGE_ROOT = __dirname;
 8 | 
 9 | // why is this needed? Isn't `node` typed as "string" already?
10 | if (typeof node !== "string") {
11 |   throw new Error(`The imported vendor version was not a string`);
12 | }
13 | 
14 | // https://vitejs.dev/config/
15 | // import.meta vite specific vars have not been injected yet here.
16 | // for example: import.meta.env.MODE isn't available and automatically gets set to "production" during vite build
17 | // to override that behaviour: set an env MODE variable and pass a mode: process.env.MODE to the vite config
18 | // https://vitejs.dev/guide/env-and-mode.html
19 | 
20 | export default defineConfig({
21 |   mode: process.env.MODE,
22 |   root: PACKAGE_ROOT,
23 |   envDir: process.cwd(),
24 |   resolve: {
25 |     alias: {
26 |       "/@/": join(PACKAGE_ROOT) + "/",
27 |     },
28 |   },
29 |   build: {
30 |     ssr: true,
31 |     target: `node${node}`,
32 |     sourcemap: "inline",
33 |     outDir: "dist",
34 |     emptyOutDir: true,
35 |     assetsDir: ".",
36 |     // set to development in the watch script
37 |     minify: process.env.MODE !== "development",
38 |     lib: {
39 |       entry: "./index.ts",
40 |       formats: ["cjs"],
41 |     },
42 |     rollupOptions: {
43 |       external: [
44 |         // Exclude Electron from built output
45 |         "electron",
46 |         // Exclude Node builtin modules.
47 |         ...builtinModules.flatMap((p) => [p, `node:${p}`]),
48 |       ],
49 |       output: {
50 |         entryFileNames: "[name].cjs",
51 |       },
52 |     },
53 |     reportCompressedSize: false,
54 |   },
55 | });
56 | 


--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "trpc-prisma-electron",
 3 |   "version": "1.0.0",
 4 |   "description": "",
 5 |   "private": true,
 6 |   "main": "main/dist/index.cjs",
 7 |   "type": "module",
 8 |   "scripts": {
 9 |     "bootstrap": "npm install && npm run db:push",
10 |     "dev": "cross-env NODE_ENV=development npm run watch:desktop",
11 |     "build": "npm run build:main & npm run build:preload & npm run build:renderer",
12 |     "compile": "cross-env MODE=production npm run build && cross-env NODE_ENV=production ts-node scripts/compile.ts",
13 |     "format": "prettier -w .",
14 |     "lint": "eslint .",
15 |     "watch:web": "ts-node scripts/watchWeb.ts",
16 |     "watch:desktop": "ts-node scripts/watchDesktop.ts",
17 |     "build:main": "cd ./main && tsc && vite build",
18 |     "build:preload": "cd ./preload && tsc && vite build",
19 |     "build:renderer": "cd ./renderer && tsc && vite build",
20 |     "db:generate": "cd ./prisma && prisma generate",
21 |     "db:push": "cd ./prisma && prisma db push",
22 |     "vendors:update": "cross-env ELECTRON_RUN_AS_NODE=1 electron scripts/update-electron-vendors.mjs",
23 |     "postinstall": "npm run vendors:update && npm run db:generate"
24 |   },
25 |   "keywords": [],
26 |   "author": "",
27 |   "license": "ISC",
28 |   "devDependencies": {
29 |     "@types/node": "^18.7.18",
30 |     "@types/react": "^18.0.20",
31 |     "@types/react-dom": "^18.0.6",
32 |     "@typescript-eslint/eslint-plugin": "^5.38.1",
33 |     "@typescript-eslint/parser": "^5.38.1",
34 |     "@vitejs/plugin-react": "^2.1.0",
35 |     "cross-env": "^7.0.3",
36 |     "electron": "^20.1.4",
37 |     "electron-builder": "23.3.3",
38 |     "eslint": "^8.24.0",
39 |     "eslint-plugin-react": "^7.31.8",
40 |     "eslint-plugin-react-hooks": "^4.6.0",
41 |     "prettier": "2.7.1",
42 |     "ts-node": "^10.9.1",
43 |     "typescript": "^4.8.3",
44 |     "vite": "^3.1.3"
45 |   },
46 |   "dependencies": {
47 |     "@prisma/client": "^4.3.1",
48 |     "@tanstack/react-query": "^4.13.0",
49 |     "@trpc/client": "^10.0.0-proxy-beta.26",
50 |     "@trpc/react-query": "^10.0.0-proxy-beta.26",
51 |     "@trpc/server": "^10.0.0-proxy-beta.26",
52 |     "eslint-config-prettier": "^8.5.0",
53 |     "prisma": "^4.3.1",
54 |     "react": "^18.2.0",
55 |     "react-dom": "^18.2.0",
56 |     "zod": "^3.19.1"
57 |   }
58 | }
59 | 


--------------------------------------------------------------------------------
/scripts/watchDesktop.ts:
--------------------------------------------------------------------------------
 1 | import electronPath from "electron";
 2 | import { build } from "vite";
 3 | import type { ViteDevServer } from "vite";
 4 | import { spawn } from "child_process";
 5 | import type { ChildProcess } from "child_process";
 6 | import { listeningWebServer } from "./watchWeb.js";
 7 | 
 8 | // process.env.MODE is used in various vite config files
 9 | const mode = (process.env.MODE = process.env.MODE ?? "development");
10 | 
11 | const exitProcess = () => {
12 |   process.exit(0);
13 | };
14 | /**
15 |  * Setup watcher for `desktop/preload`
16 |  * On file changes: reload the web page
17 |  */
18 | function createPreloadWatcher(viteServer: ViteDevServer) {
19 |   const watcher = build({
20 |     mode,
21 |     configFile: "preload/vite.config.ts",
22 |     build: {
23 |       /**
24 |        * Set to {} to enable rollup watcher
25 |        * @see https://vitejs.dev/config/build-options.html#build-watch
26 |        */
27 |       watch: {},
28 |     },
29 |     plugins: [
30 |       {
31 |         name: "web-reload-on-preload-change",
32 |         writeBundle() {
33 |           viteServer.ws.send({ type: "full-reload" });
34 |         },
35 |       },
36 |     ],
37 |   });
38 | 
39 |   return watcher;
40 | }
41 | 
42 | /**
43 |  * Setup watcher for `desktop/main`
44 |  * On file changes: shut down and relaunch electron
45 |  */
46 | function createMainWatcher() {
47 |   let electronProcess: ChildProcess | null = null;
48 | 
49 |   const watcher = build({
50 |     mode,
51 |     configFile: "main/vite.config.ts",
52 |     build: {
53 |       /**
54 |        * Set to {} to enable rollup watcher
55 |        * @see https://vitejs.dev/config/build-options.html#build-watch
56 |        */
57 |       watch: {},
58 |     },
59 |     plugins: [
60 |       {
61 |         name: "full-reload-on-main-change",
62 |         writeBundle() {
63 |           /** Kill electron if process already exist */
64 |           if (electronProcess !== null) {
65 |             electronProcess.removeListener("exit", exitProcess);
66 |             electronProcess.kill("SIGINT");
67 |             electronProcess = null;
68 |           }
69 | 
70 |           /** Spawn new electron process */
71 |           // I read the docs for spawn.options.stio and still don't know how it works
72 |           // https://nodejs.org/api/child_process.html#optionsstdio
73 |           electronProcess = spawn(String(electronPath), ["."], {
74 |             stdio: "inherit",
75 |           });
76 | 
77 |           /** Stops the watch script when the application has been quit */
78 |           electronProcess.addListener("exit", exitProcess);
79 |         },
80 |       },
81 |     ],
82 |   });
83 | 
84 |   return watcher;
85 | }
86 | // set up VITE_DEV_SERVER_URL, the URL that's loaded into the electron browser during dev
87 | process.env.VITE_DEV_SERVER_URL = listeningWebServer.resolvedUrls?.local[0];
88 | // start preload watcher
89 | await createPreloadWatcher(listeningWebServer);
90 | // start main watcher
91 | await createMainWatcher();
92 | 


--------------------------------------------------------------------------------
/renderer/src/App.tsx:
--------------------------------------------------------------------------------
 1 | import { useState } from "react";
 2 | import "./App.css";
 3 | import { trpc } from "./utils/trpc";
 4 | import Home from "./Home";
 5 | import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 6 | import { TRPCClientError, TRPCClientRuntime } from "@trpc/client";
 7 | import type { TRPCLink } from "@trpc/client";
 8 | import { observable } from "@trpc/server/observable";
 9 | import { AnyRouter, inferRouterError } from "@trpc/server";
10 | import {
11 |   TRPCResponse,
12 |   TRPCResponseMessage,
13 |   TRPCResultMessage,
14 | } from "@trpc/server/rpc";
15 | 
16 | // from @trpc/client/src/links/internals/transformResult
17 | // FIXME:
18 | // - the generics here are probably unnecessary
19 | // - the RPC-spec could probably be simplified to combine HTTP + WS
20 | /** @internal */
21 | function transformResult<TRouter extends AnyRouter, TOutput>(
22 |   response:
23 |     | TRPCResponseMessage<TOutput, inferRouterError<TRouter>>
24 |     | TRPCResponse<TOutput, inferRouterError<TRouter>>,
25 |   runtime: TRPCClientRuntime
26 | ) {
27 |   if ("error" in response) {
28 |     const error = runtime.transformer.deserialize(
29 |       response.error
30 |     ) as inferRouterError<TRouter>;
31 |     return {
32 |       ok: false,
33 |       error: {
34 |         ...response,
35 |         error,
36 |       },
37 |     } as const;
38 |   }
39 | 
40 |   const result = {
41 |     ...response.result,
42 |     ...((!response.result.type || response.result.type === "data") && {
43 |       type: "data",
44 |       data: runtime.transformer.deserialize(response.result.data) as unknown,
45 |     }),
46 |   } as TRPCResultMessage<TOutput>["result"];
47 |   return { ok: true, result } as const;
48 | }
49 | 
50 | export function ipcLink<TRouter extends AnyRouter>(): TRPCLink<TRouter> {
51 |   return (runtime) =>
52 |     ({ op }) => {
53 |       return observable((observer) => {
54 |         const promise = window.electronTRPC.rpc(op);
55 | 
56 |         promise
57 |           .then((res) => {
58 |             const transformed = transformResult(res.response, runtime);
59 | 
60 |             if (!transformed.ok) {
61 |               observer.error(TRPCClientError.from(transformed.error));
62 |               return;
63 |             }
64 |             observer.next({
65 |               result: transformed.result,
66 |             });
67 |             observer.complete();
68 |           })
69 |           .catch((cause: Error) => observer.error(TRPCClientError.from(cause)));
70 | 
71 |         return () => {
72 |           // cancel promise here
73 |         };
74 |       });
75 |     };
76 | }
77 | 
78 | function App() {
79 |   const [queryClient] = useState(() => new QueryClient());
80 |   const [trpcClient] = useState(() => {
81 |     return trpc.createClient({
82 |       links: [ipcLink()],
83 |     });
84 |   });
85 | 
86 |   return (
87 |     <trpc.Provider client={trpcClient} queryClient={queryClient}>
88 |       <QueryClientProvider client={queryClient}>
89 |         <Home />
90 |       </QueryClientProvider>
91 |     </trpc.Provider>
92 |   );
93 | }
94 | 
95 | export default App;
96 | 


--------------------------------------------------------------------------------
/main/mainWindow.ts:
--------------------------------------------------------------------------------
 1 | import { app, BrowserWindow } from "electron";
 2 | import { join } from "path";
 3 | import { URL } from "url";
 4 | /**
 5 |  * URL for main window.
 6 |  * Vite dev server for development.
 7 |  * `file://../renderer/index.html` for production and test.
 8 |  */
 9 | export const pageUrl =
10 |   import.meta.env.DEV && import.meta.env.VITE_DEV_SERVER_URL !== undefined
11 |     ? import.meta.env.VITE_DEV_SERVER_URL
12 |     : new URL("../renderer/dist/index.html", "file://" + __dirname).toString();
13 | 
14 | async function createWindow() {
15 |   const browserWindow = new BrowserWindow({
16 |     show: false, // Use the 'ready-to-show' event to show the instantiated BrowserWindow.
17 |     webPreferences: {
18 |       allowRunningInsecureContent: false, // https://www.electronjs.org/docs/latest/tutorial/security#8-do-not-enable-allowrunninginsecurecontent
19 |       enableBlinkFeatures: "", // https://www.electronjs.org/docs/latest/tutorial/security#10-do-not-use-enableblinkfeatures
20 |       experimentalFeatures: false, // https://www.electronjs.org/docs/latest/tutorial/security#9-do-not-enable-experimental-features
21 |       nodeIntegration: false,
22 |       contextIsolation: true,
23 |       // prefer exposing a method via contextBridge before turning off the sandbox. https://www.electronjs.org/docs/latest/api/context-bridge
24 |       // https://www.electronjs.org/docs/latest/tutorial/context-isolation#security-considerations
25 |       sandbox: true, // enable when using Node.js api in the preload script like https://github.com/cawa-93/vite-electron-builder/tree/main/packages/preload/src
26 |       webSecurity: true, // https://www.electronjs.org/docs/latest/tutorial/security#6-do-not-disable-websecurity
27 |       webviewTag: false, // The webview tag is not recommended. Consider alternatives like an iframe or Electron's BrowserView. @see https://www.electronjs.org/docs/latest/api/webview-tag#warning
28 |       preload: join(app.getAppPath(), "preload/dist/index.cjs"),
29 |     },
30 |   });
31 | 
32 |   /**
33 |    * If the 'show' property of the BrowserWindow's constructor is omitted from the initialization options,
34 |    * it then defaults to 'true'. This can cause flickering as the window loads the html content,
35 |    * and it also has show problematic behaviour with the closing of the window.
36 |    * Use `show: false` and listen to the  `ready-to-show` event to show the window.
37 |    *
38 |    * @see https://github.com/electron/electron/issues/25012 for the afford mentioned issue.
39 |    */
40 |   browserWindow.on("ready-to-show", () => {
41 |     browserWindow.show();
42 | 
43 |     if (import.meta.env.DEV) {
44 |       browserWindow.webContents.openDevTools();
45 |     }
46 |   });
47 | 
48 |   await browserWindow.loadURL(pageUrl);
49 | 
50 |   return browserWindow;
51 | }
52 | 
53 | /**
54 |  * Restore an existing BrowserWindow or Create a new BrowserWindow.
55 |  */
56 | export async function restoreOrCreateWindow() {
57 |   let window = BrowserWindow.getAllWindows().find((w) => !w.isDestroyed());
58 | 
59 |   if (window === undefined) {
60 |     window = await createWindow();
61 |   }
62 | 
63 |   if (window.isMinimized()) {
64 |     window.restore();
65 |   }
66 | 
67 |   window.focus();
68 | }
69 | 


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/renderer/src/assets/react.svg:
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/main/security-restrictions.ts:
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  1 | import { app, shell } from "electron";
  2 | import { URL } from "url";
  3 | 
  4 | type Permissions =
  5 |   | "clipboard-read"
  6 |   | "media"
  7 |   | "display-capture"
  8 |   | "mediaKeySystem"
  9 |   | "geolocation"
 10 |   | "notifications"
 11 |   | "midi"
 12 |   | "midiSysex"
 13 |   | "pointerLock"
 14 |   | "fullscreen"
 15 |   | "openExternal"
 16 |   | "unknown";
 17 | 
 18 | /**
 19 |  * A list of origins that you allow open INSIDE the application and permissions for them.
 20 |  *
 21 |  * In development mode you need allow open `VITE_DEV_SERVER_URL`.
 22 |  */
 23 | const ALLOWED_ORIGINS_AND_PERMISSIONS = new Map<string, Set<Permissions>>(
 24 |   import.meta.env.DEV && import.meta.env.VITE_DEV_SERVER_URL
 25 |     ? [[new URL(import.meta.env.VITE_DEV_SERVER_URL).origin, new Set()]]
 26 |     : []
 27 | );
 28 | 
 29 | /**
 30 |  * A list of origins that you allow open IN BROWSER.
 31 |  * Navigation to the origins below is only possible if the link opens in a new window.
 32 |  *
 33 |  * @example
 34 |  * <a
 35 |  *   target="_blank"
 36 |  *   href="https://github.com/"
 37 |  * >
 38 |  */
 39 | const ALLOWED_EXTERNAL_ORIGINS = new Set<`https://${string}`>([
 40 |   "https://github.com",
 41 |   "https://vitejs.dev",
 42 |   "https://reactjs.org",
 43 | ]);
 44 | 
 45 | app.on("web-contents-created", (_, contents) => {
 46 |   /**
 47 |    * Block navigation to origins not on the allowlist.
 48 |    *
 49 |    * Navigation exploits are quite common. If an attacker can convince the app to navigate away from its current page,
 50 |    * they can possibly force the app to open arbitrary web resources/websites on the web.
 51 |    *
 52 |    * @see https://www.electronjs.org/docs/latest/tutorial/security#13-disable-or-limit-navigation
 53 |    */
 54 |   contents.on("will-navigate", (event, url) => {
 55 |     const { origin } = new URL(url);
 56 |     if (ALLOWED_ORIGINS_AND_PERMISSIONS.has(origin)) {
 57 |       return;
 58 |     }
 59 | 
 60 |     // Prevent navigation
 61 |     event.preventDefault();
 62 | 
 63 |     if (import.meta.env.DEV) {
 64 |       console.warn(`Blocked navigating to disallowed origin: ${origin}`);
 65 |     }
 66 |   });
 67 | 
 68 |   /**
 69 |    * Block requests for disallowed permissions.
 70 |    * By default, Electron will automatically approve all permission requests.
 71 |    *
 72 |    * @see https://www.electronjs.org/docs/latest/tutorial/security#5-handle-session-permission-requests-from-remote-content
 73 |    */
 74 |   contents.session.setPermissionRequestHandler(
 75 |     (webContents, permission, callback) => {
 76 |       const { origin } = new URL(webContents.getURL());
 77 | 
 78 |       const permissionGranted =
 79 |         !!ALLOWED_ORIGINS_AND_PERMISSIONS.get(origin)?.has(permission);
 80 |       // Approve or deny the permission request
 81 |       callback(permissionGranted);
 82 | 
 83 |       if (!permissionGranted && import.meta.env.DEV) {
 84 |         console.warn(
 85 |           `${origin} requested permission for '${permission}', but was rejected.`
 86 |         );
 87 |       }
 88 |     }
 89 |   );
 90 | 
 91 |   /**
 92 |    * Hyperlinks leading to allowed sites are opened in the default browser.
 93 |    *
 94 |    * The creation of new `webContents` is a common attack vector. Attackers attempt to convince the app to create new windows,
 95 |    * frames, or other renderer processes with more privileges than they had before; or with pages opened that they couldn't open before.
 96 |    * You should deny any unexpected window creation.
 97 |    *
 98 |    * @see https://www.electronjs.org/docs/latest/tutorial/security#14-disable-or-limit-creation-of-new-windows
 99 |    * @see https://www.electronjs.org/docs/latest/tutorial/security#15-do-not-use-openexternal-with-untrusted-content
100 |    */
101 |   contents.setWindowOpenHandler(({ url }) => {
102 |     const { origin } = new URL(url);
103 | 
104 |     // @ts-expect-error Type checking is performed in runtime.
105 |     if (ALLOWED_EXTERNAL_ORIGINS.has(origin)) {
106 |       // Open url in default browser.
107 |       shell.openExternal(url).catch(console.error);
108 |     } else if (import.meta.env.DEV) {
109 |       console.warn(`Blocked the opening of a disallowed origin: ${origin}`);
110 |     }
111 | 
112 |     // Prevent creating a new window.
113 |     return { action: "deny" };
114 |   });
115 | 
116 |   /**
117 |    * Verify webview options before creation.
118 |    *
119 |    * Strip away preload scripts, disable Node.js integration, and ensure origins are on the allowlist.
120 |    *
121 |    * @see https://www.electronjs.org/docs/latest/tutorial/security#12-verify-webview-options-before-creation
122 |    */
123 |   contents.on("will-attach-webview", (event, webPreferences, params) => {
124 |     const { origin } = new URL(params.src);
125 |     if (!ALLOWED_ORIGINS_AND_PERMISSIONS.has(origin)) {
126 |       if (import.meta.env.DEV) {
127 |         console.warn(
128 |           `A webview tried to attach ${params.src}, but was blocked.`
129 |         );
130 |       }
131 | 
132 |       event.preventDefault();
133 |       return;
134 |     }
135 | 
136 |     // Strip away preload scripts if unused or verify their location is legitimate.
137 |     delete webPreferences.preload;
138 |     // @ts-expect-error `preloadURL` exists. - @see https://www.electronjs.org/docs/latest/api/web-contents#event-will-attach-webview
139 |     delete webPreferences.preloadURL;
140 | 
141 |     // Disable Node.js integration
142 |     webPreferences.nodeIntegration = false;
143 | 
144 |     // Enable contextIsolation
145 |     webPreferences.contextIsolation = true;
146 |   });
147 | });
148 | 


--------------------------------------------------------------------------------
/main/index.ts:
--------------------------------------------------------------------------------
  1 | import { app, ipcMain } from "electron";
  2 | import type { IpcMain } from "electron";
  3 | import "./security-restrictions";
  4 | import { restoreOrCreateWindow, pageUrl } from "./mainWindow";
  5 | import { callProcedure, TRPCError } from "@trpc/server";
  6 | import type {
  7 |   AnyRouter,
  8 |   inferRouterContext,
  9 |   inferRouterError,
 10 | } from "@trpc/server";
 11 | import type { TRPCResponse, TRPCResponseMessage } from "@trpc/server/rpc";
 12 | import { createContext } from "../api/context";
 13 | import { appRouter } from "../api/router";
 14 | import type { IPCRequestOptions, IPCResponse } from "../types";
 15 | 
 16 | /**
 17 |  * Prevent electron from running multiple instances.
 18 |  */
 19 | const isSingleInstance = app.requestSingleInstanceLock();
 20 | if (!isSingleInstance) {
 21 |   app.quit();
 22 |   process.exit(0);
 23 | }
 24 | app.on("second-instance", () => {
 25 |   restoreOrCreateWindow().catch((err) => {
 26 |     throw err;
 27 |   });
 28 | });
 29 | 
 30 | /**
 31 |  * Disable Hardware Acceleration to save more system resources.
 32 |  */
 33 | app.disableHardwareAcceleration();
 34 | 
 35 | /**
 36 |  * Shout down background process if all windows was closed
 37 |  */
 38 | app.on("window-all-closed", () => {
 39 |   if (process.platform !== "darwin") {
 40 |     app.quit();
 41 |   }
 42 | });
 43 | 
 44 | /**
 45 |  * @see https://www.electronjs.org/docs/latest/api/app#event-activate-macos Event: 'activate'.
 46 |  */
 47 | app.on("activate", () => {
 48 |   restoreOrCreateWindow().catch((err) => {
 49 |     throw err;
 50 |   });
 51 | });
 52 | 
 53 | /**
 54 |  * Create the application window when the background process is ready.
 55 |  */
 56 | app
 57 |   .whenReady()
 58 |   .then(async () => {
 59 |     await restoreOrCreateWindow().catch((err) => {
 60 |       throw err;
 61 |     });
 62 |   })
 63 |   .catch((e) => console.error("Failed create window:", e));
 64 | 
 65 | /**
 66 |  * Install React devtools in dev mode
 67 |  * works, but throws errors so it's commented out until these issues are resolved:
 68 |  * - https://github.com/MarshallOfSound/electron-devtools-installer/issues/220
 69 |  * - https://github.com/electron/electron/issues/32133
 70 |  * Note: You must install `electron-devtools-installer` manually
 71 |  */
 72 | // if (import.meta.env.DEV) {
 73 | //   app
 74 | //     .whenReady()
 75 | //     .then(() => import("electron-devtools-installer"))
 76 | //     .then(async ({ default: installExtension, REACT_DEVELOPER_TOOLS }) => {
 77 | //       await installExtension(REACT_DEVELOPER_TOOLS, {
 78 | //         loadExtensionOptions: {
 79 | //           allowFileAccess: true,
 80 | //         },
 81 | //       });
 82 | //     })
 83 | //     .catch((e) => console.error("Failed install extension:", e));
 84 | // }
 85 | 
 86 | // from @trpc/server/src/internals/transformTRPCResonse
 87 | function transformTRPCResponseItem<
 88 |   TResponseItem extends TRPCResponse | TRPCResponseMessage
 89 | >(router: AnyRouter, item: TResponseItem): TResponseItem {
 90 |   // explicitly use appRouter instead of router argument: https://github.com/trpc/trpc/issues/2804
 91 |   if ("error" in item) {
 92 |     return {
 93 |       ...item,
 94 |       error: appRouter._def._config.transformer.output.serialize(
 95 |         item.error
 96 |       ) as unknown,
 97 |     };
 98 |   }
 99 | 
100 |   if ("data" in item.result) {
101 |     return {
102 |       ...item,
103 |       result: {
104 |         ...item.result,
105 |         data: appRouter._def._config.transformer.output.serialize(
106 |           item.result.data
107 |         ) as unknown,
108 |       },
109 |     };
110 |   }
111 | 
112 |   return item;
113 | }
114 | 
115 | // from @trpc/server/src/error/utils
116 | function getMessageFromUnkownError(err: unknown, fallback: string): string {
117 |   if (typeof err === "string") {
118 |     return err;
119 |   }
120 | 
121 |   if (err instanceof Error && typeof err.message === "string") {
122 |     return err.message;
123 |   }
124 |   return fallback;
125 | }
126 | 
127 | // from @trpc/server/src/error/utils
128 | function getErrorFromUnknown(cause: unknown): Error {
129 |   if (cause instanceof Error) {
130 |     return cause;
131 |   }
132 |   const message = getMessageFromUnkownError(cause, "Unknown error");
133 |   return new Error(message);
134 | }
135 | 
136 | // from @trpc/server/src/error/utils
137 | function getTRPCErrorFromUnknown(cause: unknown): TRPCError {
138 |   const error = getErrorFromUnknown(cause);
139 |   // this should ideally be an `instanceof TRPCError` but for some reason that isn't working
140 |   // ref https://github.com/trpc/trpc/issues/331
141 |   if (error.name === "TRPCError") {
142 |     return cause as TRPCError;
143 |   }
144 | 
145 |   const trpcError = new TRPCError({
146 |     code: "INTERNAL_SERVER_ERROR",
147 |     cause: error,
148 |     message: error.message,
149 |   });
150 | 
151 |   // Inherit stack from error
152 |   trpcError.stack = error.stack;
153 | 
154 |   return trpcError;
155 | }
156 | 
157 | function validateSender(frame: Electron.WebFrameMain) {
158 |   const frameUrlObj = new URL(frame.url);
159 |   const pageUrlObj = new URL(pageUrl);
160 | 
161 |   if (
162 |     import.meta.env.DEV &&
163 |     import.meta.env.VITE_DEV_SERVER_URL !== undefined
164 |   ) {
165 |     // during dev
166 |     if (frameUrlObj.host === pageUrlObj.host) return true;
167 |   } else {
168 |     // during prod and test
169 |     if (frameUrlObj.protocol === "file:") return true;
170 |   }
171 | 
172 |   return false;
173 | }
174 | 
175 | export function createIPCHandler({ ipcMain }: { ipcMain: IpcMain }) {
176 |   // https://www.electronjs.org/docs/latest/tutorial/security#17-validate-the-sender-of-all-ipc-messages
177 |   ipcMain.handle(
178 |     "electron-trpc",
179 |     (event: Electron.IpcMainInvokeEvent, opts: IPCRequestOptions) => {
180 |       if (!validateSender(event.senderFrame)) return null;
181 |       return resolveIPCResponse(opts);
182 |     }
183 |   );
184 | }
185 | 
186 | // includes error handling, type info gets lost at helper function calls
187 | async function resolveIPCResponse<TRouter extends AnyRouter>(
188 |   opts: IPCRequestOptions
189 | ): Promise<IPCResponse> {
190 |   const { type, input: serializedInput } = opts;
191 |   const { transformer } = appRouter._def._config;
192 |   const deserializedInput = transformer.input.deserialize(
193 |     serializedInput
194 |   ) as unknown;
195 | 
196 |   type TRouterError = inferRouterError<TRouter>;
197 |   type TRouterResponse = TRPCResponse<unknown, TRouterError>;
198 | 
199 |   const ctx = await createContext();
200 | 
201 |   if (type === "subscription") {
202 |     throw new TRPCError({
203 |       message: "Subscriptions should use wsLink",
204 |       code: "METHOD_NOT_SUPPORTED",
205 |     });
206 |   }
207 | 
208 |   type RawResult =
209 |     | { input: unknown; path: string; data: unknown }
210 |     | { input: unknown; path: string; error: TRPCError };
211 | 
212 |   async function getRawResult(
213 |     ctx: inferRouterContext<TRouter>
214 |   ): Promise<RawResult> {
215 |     const { path, type } = opts;
216 |     const { procedures } = appRouter._def;
217 | 
218 |     try {
219 |       const output = await callProcedure({
220 |         ctx,
221 |         path,
222 |         procedures,
223 |         rawInput: deserializedInput,
224 |         type,
225 |       });
226 |       return {
227 |         input: deserializedInput,
228 |         path,
229 |         data: output,
230 |       };
231 |     } catch (cause) {
232 |       const error = getTRPCErrorFromUnknown(cause);
233 |       return {
234 |         input: deserializedInput,
235 |         path,
236 |         error,
237 |       };
238 |     }
239 |   }
240 | 
241 |   function getResultEnvelope(rawResult: RawResult): TRouterResponse {
242 |     const { path, input } = rawResult;
243 | 
244 |     if ("error" in rawResult) {
245 |       return {
246 |         error: appRouter.getErrorShape({
247 |           error: rawResult.error,
248 |           type,
249 |           path,
250 |           input,
251 |           ctx,
252 |         }),
253 |       };
254 |     } else {
255 |       return {
256 |         result: {
257 |           data: rawResult.data,
258 |         },
259 |       };
260 |     }
261 |   }
262 | 
263 |   function getEndResponse(envelope: TRouterResponse): IPCResponse {
264 |     const transformed = transformTRPCResponseItem(appRouter, envelope);
265 | 
266 |     return {
267 |       response: transformed,
268 |     };
269 |   }
270 | 
271 |   try {
272 |     const rawResult = await getRawResult(ctx);
273 |     const resultEnvelope = getResultEnvelope(rawResult);
274 | 
275 |     return getEndResponse(resultEnvelope);
276 |   } catch (cause) {
277 |     const { input, path } = opts;
278 |     // we get here if
279 |     // - `createContext()` throws
280 |     // - input deserialization fails
281 |     const error = getTRPCErrorFromUnknown(cause);
282 |     const resultEnvelope = getResultEnvelope({ input, path, error });
283 | 
284 |     return getEndResponse(resultEnvelope);
285 |   }
286 | }
287 | 
288 | // functional happy path, types get inferred
289 | // async function resolveIPCResponse<TRouter extends AnyRouter>(
290 | //   opts: IPCRequestOptions
291 | // ): Promise<IPCResponse> {
292 | //   const { path, type, input } = opts;
293 | //   const { transformer, procedures } = appRouter._def;
294 | //   const ctx = await createContext();
295 | //   const rawInput = transformer.input.deserialize(input);
296 | //   const output = await callProcedure({
297 | //     ctx,
298 | //     path,
299 | //     procedures,
300 | //     rawInput,
301 | //     type,
302 | //   });
303 | //   const resultEnvelope = { result: { data: output } };
304 | //   return {
305 | //     response: transformTRPCResponseItem(appRouter, resultEnvelope),
306 | //   };
307 | // }
308 | 
309 | app.on("ready", () => {
310 |   createIPCHandler({ ipcMain });
311 | });
312 | 


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