update depencies + all typescript

.eslintrc.js

@@ -0,0 +1,26 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  extends: [
+    'eslint:recommended',
+    'prettier'
+  ],
+  plugins: ['@typescript-eslint', 'prettier'],
+  parserOptions: {
+    ecmaVersion: 2020,
+    sourceType: 'module'
+  },
+  env: {
+    node: true,
+    es6: true,
+    mocha: true
+  },
+  rules: {
+    'prettier/prettier': 'error',
+    '@typescript-eslint/no-unused-vars': 'error',
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
+    '@typescript-eslint/no-explicit-any': 'warn',
+    '@typescript-eslint/no-non-null-assertion': 'warn'
+  },
+  ignorePatterns: ['lib/', 'node_modules/', '*.js']
+};

.gitignore

@@ -7,4 +7,19 @@ output.md
 output/
 lib/
 lib-doc/
-.DS_Store
+dist/
+.DS_Store
+
+# Prevent compiled files in source directories
+src/**/*.js
+src/**/*.d.ts
+src/**/*.js.map
+src/**/*.d.ts.map
+test/**/*.js
+test/**/*.d.ts
+test/**/*.js.map
+test/**/*.d.ts.map
+examples/**/*.js
+examples/**/*.d.ts
+examples/**/*.js.map
+examples/**/*.d.ts.map

.npmignore

@@ -10,6 +10,17 @@ output/
 test/
 examples/
 lib-doc/
+dist/
+src/
+
+# TypeScript configs
+tsconfig.json
+tsconfig.build.json
+tsconfig.test.json
+tsconfig.examples.json
+
+# ESLint configs
+eslint.config.mjs
 
 # dotfiles
 .travis.yml
@@ -19,3 +30,4 @@ lib-doc/
 .babelrc
 .gitignore
 .git
+.prettierrc

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "semi": true,
+  "trailingComma": "es5",
+  "singleQuote": true,
+  "printWidth": 100,
+  "tabWidth": 2,
+  "useTabs": false
+}

.travis.yml

@@ -1,9 +1,9 @@
 language: node_js
 node_js:
-  - "12"
-  - "10"
-  - "8"
-  - "6"
+  - "22"
+  - "20"
+  - "18"
+  - "16"
 #
 # create required bash scripts to run builds on pull requests in the future
 #

eslint.config.mjs

@@ -0,0 +1,110 @@
+import js from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import prettier from 'eslint-plugin-prettier';
+import globals from 'globals';
+
+export default [
+  // Base JavaScript configuration
+  js.configs.recommended,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+    },
+    plugins: {
+      prettier,
+    },
+    rules: {
+      'prettier/prettier': 'error',
+      'no-unused-vars': 'off',
+      'no-console': 'warn',
+      'prefer-const': 'error',
+      'no-var': 'error',
+    },
+  },
+
+  // JavaScript files - more lenient
+//   {
+//     files: ['**/*.js'],
+//     rules: {
+//       '@typescript-eslint/no-require-imports': 'off',
+//       '@typescript-eslint/no-var-requires': 'off',
+//       'no-undef': 'off', // Allow global requires in JS files
+//     },
+//   },
+
+  // TypeScript configuration - only for .ts files except test
+  ...tseslint.configs.recommended,
+  {
+    files: ['**/*.ts'],
+    ignores: ['test/**/*', '**/*.test.ts', '**/*.spec.ts'],
+    languageOptions: {
+      parser: tseslint.parser,
+      parserOptions: {
+        project: './tsconfig.build.json',
+      },
+    },
+    rules: {
+      '@typescript-eslint/no-unused-vars': 'error',
+      '@typescript-eslint/explicit-function-return-type': 'off',
+      '@typescript-eslint/explicit-module-boundary-types': 'off',
+      '@typescript-eslint/no-explicit-any': 'warn',
+      '@typescript-eslint/no-non-null-assertion': 'warn',
+      '@typescript-eslint/no-require-imports': 'error',
+      '@typescript-eslint/no-var-requires': 'error',
+      '@typescript-eslint/no-empty-object-type': 'warn',
+      '@typescript-eslint/no-unsafe-function-type': 'warn',
+    },
+  },
+
+  // Test files - no project for TypeScript
+  {
+    files: ['test/**/*.{js,ts}', '**/*.test.{js,ts}', '**/*.spec.{js,ts}'],
+    languageOptions: {
+      parser: tseslint.parser,
+      parserOptions: {
+        // No project for test files
+      },
+      globals: {
+        describe: 'readonly',
+        it: 'readonly',
+        before: 'readonly',
+        after: 'readonly',
+        beforeEach: 'readonly',
+        afterEach: 'readonly',
+        expect: 'readonly',
+      },
+    },
+    rules: {
+      'no-console': 'off',
+      '@typescript-eslint/no-unused-vars': 'off', // Test files often have unused setup vars
+      '@typescript-eslint/no-explicit-any': 'off', // Test files often need any for mocking
+      '@typescript-eslint/no-require-imports': 'off', // Allow require in tests
+      '@typescript-eslint/no-var-requires': 'off', // Allow require in tests
+    },
+  },
+
+  // Examples - more lenient
+  {
+    files: ['examples/**/*.{js,ts}'],
+    rules: {
+      'no-console': 'off',
+      '@typescript-eslint/no-unused-vars': 'warn',
+    },
+  },
+
+  // Ignore patterns
+  {
+    ignores: [
+      'lib/**/*',
+      'node_modules/**/*',
+      'docs/**/*',
+      'coverage/**/*',
+      '*.min.js',
+      'dist/**/*',
+        '**/*.js',
+
+    ],
+  },
+];

examples/game/game.js → examples/game/game.ts

@@ -1,17 +1,16 @@
 /**
  * This example demonstrates using HTML5 games with Telegram.
  */
-/* eslint-disable no-console */
 
 const TOKEN = process.env.TELEGRAM_TOKEN || 'YOUR_TELEGRAM_BOT_TOKEN';
 const gameName = process.env.TELEGRAM_GAMENAME || 'YOUR_TELEGRAM_GAMENAME';
 // Specify '0' to use ngrok i.e. localhost tunneling
 let url = process.env.URL || 'https://<PUBLIC-URL>';
-const port = process.env.PORT || 8080;
+const port = process.env.PORT ? parseInt(process.env.PORT, 10) : 8080;
 
-const TelegramBot = require('../..');
-const express = require('express');
-const path = require('path');
+import { TelegramBot } from '../..';
+import express from 'express';
+import path from 'path';
 
 const bot = new TelegramBot(TOKEN, { polling: true });
 const app = express();
@@ -25,29 +24,29 @@ app.set('view engine', 'ejs');
 // you paid for. :)
 if (url === '0') {
   const ngrok = require('ngrok');
-  ngrok.connect(port, function onConnect(error, u) {
+  ngrok.connect(port, (error: Error | null, u: string) => {
     if (error) throw error;
     url = u;
     console.log(`Game tunneled at ${url}`);
   });
 }
 
 // Matches /start
-bot.onText(/\/start/, function onPhotoText(msg) {
+bot.onText(/\/start/, (msg: any) => {
   bot.sendGame(msg.chat.id, gameName);
 });
 
 // Handle callback queries
-bot.on('callback_query', function onCallbackQuery(callbackQuery) {
+bot.on('callback_query', (callbackQuery: any) => {
   bot.answerCallbackQuery(callbackQuery.id, { url });
 });
 
 // Render the HTML game
-app.get('/', function requestListener(req, res) {
+app.get('/', (req, res) => {
   res.sendFile(path.join(__dirname, 'game.html'));
 });
 
 // Bind server to port
-app.listen(port, function listen() {
+app.listen(port, () => {
   console.log(`Server is listening at http://localhost:${port}`);
 });