From 07d332022538b2106b1925cea3aa1fc988cd5cc5 Mon Sep 17 00:00:00 2001
From: deptyped <deptyped@gmail.com>
Date: Fri, 17 May 2024 01:17:59 +0300
Subject: [PATCH] Add Bun example

---
 README.md           | 22 +++++++++++-----------
 package.json        |  6 +++---
 src/config.ts       | 14 +++-----------
 src/main.ts         |  5 +----
 src/server/index.ts | 30 ++++++++++++------------------
 5 files changed, 30 insertions(+), 47 deletions(-)

diff --git a/README.md b/README.md
index ca53bb61..eaa0c040 100644
--- a/README.md
+++ b/README.md
@@ -48,18 +48,18 @@ Follow these steps to set up and run your bot using this template:
 
     Install the required dependencies:
     ```bash
-    npm install
+    bun install
     ```
     Start the bot in watch mode (auto-reload when code changes):
     ```bash
-    npm run dev
+    bun dev
     ```
 
    **Production Mode:**
 
     Install only production dependencies (no development dependencies):
     ```bash
-    npm install --only=prod
+    bun install --only=prod
     ```
 
     Set `NODE_ENV` environment variable to `production` in your `.env` file. <br />
@@ -74,19 +74,19 @@ Follow these steps to set up and run your bot using this template:
 
     Start the bot in production mode:
     ```bash
-    npm start # with type checking (requires development dependencies)
+    bun start # with type checking (requires development dependencies)
     # or
-    npm run start:force # skip type checking and start
+    bun start:force # skip type checking and start
     ```
 
 ### List of Available Commands
 
-- `npm run lint` — Lint source code.
-- `npm run format` — Format source code.
-- `npm run typecheck` — Run type checking.
-- `npm run dev` — Start the bot in development mode.
-- `npm run start` — Start the bot.
-- `npm run start:force` — Starts the bot without type checking.
+- `bun lint` — Lint source code.
+- `bun format` — Format source code.
+- `bun typecheck` — Run type checking.
+- `bun dev` — Start the bot in development mode.
+- `bun start` — Start the bot.
+- `bun start:force` — Starts the bot without type checking.
 
 ### Directory Structure
 
diff --git a/package.json b/package.json
index 8513993c..c3c6e1c4 100644
--- a/package.json
+++ b/package.json
@@ -18,9 +18,9 @@
     "format": "eslint . --fix",
     "typecheck": "tsc",
     "build": "tsc --noEmit false",
-    "dev": "tsc-watch --onSuccess \"tsx ./src/main.ts\"",
-    "start": "tsc && tsx ./src/main.ts",
-    "start:force": "tsx ./src/main.ts",
+    "dev": "bun --watch ./src/main.ts",
+    "start": "tsc && bun ./src/main.ts",
+    "start:force": "bun ./src/main.ts",
     "prepare": "husky || true"
   },
   "dependencies": {
diff --git a/src/config.ts b/src/config.ts
index 0ff44397..f2ceb2d5 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,15 +1,7 @@
-import process from 'node:process'
 import z from 'zod'
 import { parseEnv, port } from 'znv'
 import { API_CONSTANTS } from 'grammy'
 
-try {
-  process.loadEnvFile()
-}
-catch {
-  // No .env file found
-}
-
 function createConfigFromEnvironment(environment: NodeJS.ProcessEnv) {
   const config = parseEnv(environment, {
     NODE_ENV: z.enum(['development', 'production']),
@@ -51,11 +43,11 @@ function createConfigFromEnvironment(environment: NodeJS.ProcessEnv) {
 
   return {
     ...config,
-    isDev: process.env.NODE_ENV === 'development',
-    isProd: process.env.NODE_ENV === 'production',
+    isDev: Bun.env.NODE_ENV === 'development',
+    isProd: Bun.env.NODE_ENV === 'production',
   }
 }
 
 export type Config = ReturnType<typeof createConfigFromEnvironment>
 
-export const config = createConfigFromEnvironment(process.env)
+export const config = createConfigFromEnvironment(Bun.env)
diff --git a/src/main.ts b/src/main.ts
index 7b677b46..bf1fd467 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -58,10 +58,7 @@ async function startWebhook() {
   )
   logger.info({
     msg: 'Server started',
-    url:
-      info.family === 'IPv6'
-        ? `http://[${info.address}]:${info.port}`
-        : `http://${info.address}:${info.port}`,
+    url: info.url,
   })
 
   // set webhook
diff --git a/src/server/index.ts b/src/server/index.ts
index 4fadd096..1579dede 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -59,25 +59,19 @@ export function createServer(bot: Bot) {
 export type Server = Awaited<ReturnType<typeof createServer>>
 
 export function createServerManager(server: Server) {
-  let handle: undefined | ReturnType<typeof serve>
+  let handle: undefined | ReturnType<typeof Bun.serve>
   return {
-    start: (host: string, port: number) =>
-      new Promise<AddressInfo>((resolve) => {
-        handle = serve(
-          {
-            fetch: server.fetch,
-            hostname: host,
-            port,
-          },
-          info => resolve(info),
-        )
-      }),
+    start: (host: string, port: number) => {
+      handle = Bun.serve({
+        fetch: server.fetch,
+        hostname: host,
+        port,
+      })
+      return {
+        url: handle.url,
+      }
+    },
     stop: () =>
-      new Promise<void>((resolve) => {
-        if (handle)
-          handle.close(() => resolve())
-        else
-          resolve()
-      }),
+      handle?.stop(),
   }
 }