build(tooling): modernize Node and TypeScript setup

eslint.config.cjs

@@ -1,7 +1,9 @@
 /** @type {import('eslint').Linter.FlatConfig[]} */
+const prettierConfig = require('eslint-config-prettier/flat');
+
 const config = [
     {
-        ignores: ['dist/', 'node_modules/'],
+        ignores: ['coverage/', 'dist/', 'node_modules/'],
     },
 
     {
@@ -77,6 +79,23 @@ const config = [
         },
     },
 
+    {
+        files: ['**/*.{ts,tsx}'],
+        languageOptions: {
+            parserOptions: {
+                project: ['./tsconfig.eslint.json'],
+                tsconfigRootDir: __dirname,
+            },
+        },
+        rules: {
+            '@typescript-eslint/no-floating-promises': 'error',
+            '@typescript-eslint/no-misused-promises': ['error', { checksVoidReturn: false }],
+            '@typescript-eslint/no-unsafe-assignment': 'error',
+            '@typescript-eslint/no-unsafe-member-access': 'error',
+            '@typescript-eslint/no-unsafe-argument': 'error',
+        },
+    },
+
     {
         files: ['**/*.{js,cjs}'],
         languageOptions: {
@@ -88,4 +107,4 @@ const config = [
     },
 ];
 
-module.exports = config;
+module.exports = [...config, prettierConfig];

eslint.config.typeaware.cjs

@@ -1,25 +0,0 @@
-/** @type {import('eslint').Linter.FlatConfig[]} */
-const base = require('./eslint.config.cjs');
-
-const typeAwareLayer = {
-    files: ['**/*.{ts,tsx}'],
-    languageOptions: {
-        parser: require('@typescript-eslint/parser'),
-        parserOptions: {
-            project: ['./tsconfig.eslint.json'],
-            tsconfigRootDir: __dirname,
-        },
-    },
-    plugins: {
-        '@typescript-eslint': require('@typescript-eslint/eslint-plugin'),
-    },
-    rules: {
-        '@typescript-eslint/no-floating-promises': 'warn',
-        '@typescript-eslint/no-misused-promises': ['warn', { checksVoidReturn: false }],
-        '@typescript-eslint/no-unsafe-assignment': 'warn',
-        '@typescript-eslint/no-unsafe-member-access': 'warn',
-        '@typescript-eslint/no-unsafe-argument': 'warn',
-    },
-};
-
-module.exports = [...base, typeAwareLayer];

package.json

@@ -22,23 +22,20 @@
     "files": [
         "dist"
     ],
-    "directories": {
+    "sideEffects": false,
-        "lib": "src"
-    },
     "scripts": {
         "version:place": "node set-version.js set-ci-version",
         "version:check": "node set-version.js check-placeholder",
         "version:fix": "node set-version.js fix-placeholder",
         "lint": "eslint . --ext .ts,.tsx,.js,.cjs,.mjs",
         "lint:fix": "eslint . --ext .ts,.tsx,.js,.cjs,.mjs --fix",
-        "lint:types": "eslint . --config eslint.config.typeaware.cjs --ext .ts,.tsx",
         "format": "prettier --write .",
         "format:check": "prettier --check .",
-        "typecheck": "tsc --noEmit",
+        "typecheck": "tsc --noEmit --declaration --isolatedDeclarations",
         "test": "jest --runInBand",
-        "check": "npm run version:check && npm run format:check && npm run lint && npm run lint:types && npm run typecheck && npm run test",
+        "check": "npm run version:check && npm run format:check && npm run lint && npm run typecheck && npm run test",
         "fix": "npm run version:fix && npm run format && npm run lint:fix",
-        "build": "node -e \"require('node:fs').rmSync('dist', { recursive: true, force: true })\" && tsup && tsc -p tsconfig.build.json && node scripts/copy-dts.cjs",
+        "build": "tsup",
         "prepare": "husky"
     },
     "repository": {
@@ -70,46 +67,52 @@
         ]
     },
     "devDependencies": {
+        "@discordjs/opus": "^0.10.0",
         "@jest/globals": "^30.4.1",
         "@types/ejs": "^3.1.5",
-        "@types/node": "^26.0.0",
+        "@types/node": "^24.0.0",
-        "@typescript-eslint/eslint-plugin": "^8.61.1",
+        "@typescript-eslint/eslint-plugin": "^8.67.0",
-        "@typescript-eslint/parser": "^8.61.1",
+        "@typescript-eslint/parser": "^8.67.0",
-        "eslint": "^9.39.4",
+        "eslint": "^9.39.5",
         "eslint-config-prettier": "^10.1.8",
         "eslint-import-resolver-typescript": "^4.4.5",
         "eslint-plugin-import": "^2.32.0",
-        "eslint-plugin-n": "^18.1.0",
+        "eslint-plugin-n": "^18.3.0",
         "eslint-plugin-promise": "^7.3.0",
         "eslint-plugin-unused-imports": "^4.4.1",
         "husky": "^9.1.7",
         "jest": "^30.4.2",
-        "prettier": "^3.8.4",
+        "prettier": "^3.9.6",
-        "ts-jest": "^29.4.11",
+        "ts-jest": "^29.4.12",
         "tsup": "^8.5.1",
-        "typescript": "^6.0.3"
+        "@typescript/native": "npm:typescript@^7.0.2",
+        "typescript": "npm:@typescript/typescript6@^6.0.2"
     },
     "peerDependencies": {
+        "@discordjs/opus": "^0.10.0",
         "@discordjs/voice": "^0.19.2",
-        "@snazzah/davey": "^0.1.12",
         "ffmpeg-static": "^5.3.0",
-        "libsodium-wrappers": "^0.8.4",
+        "opusscript": "^0.0.8"
-        "opusscript": "^0.0.8",
-        "prism-media": "^1.3.5"
     },
     "peerDependenciesMeta": {
+        "@discordjs/opus": {
+            "optional": true
+        },
         "ffmpeg-static": {
             "optional": true
         },
-        "libsodium-wrappers": {
+        "opusscript": {
             "optional": true
         }
     },
     "overrides": {
-        "esbuild": "^0.28.1"
+        "@discordjs/node-pre-gyp": {
+            "tar": "^7.5.22"
+        },
+        "esbuild": "^0.28.2"
     },
     "engines": {
-        "node": ">=22.22.3"
+        "node": "24.x"
     },
     "private": false,
     "publishConfig": {

scripts/copy-dts.cjs

@@ -1,11 +0,0 @@
-const { copyFileSync, existsSync } = require('node:fs');
-const { join } = require('node:path');
-
-const declarationFile = join(__dirname, '..', 'dist', 'index.d.ts');
-const esmDeclarationFile = join(__dirname, '..', 'dist', 'index.d.mts');
-
-if (!existsSync(declarationFile)) {
-    throw new Error(`Missing declaration file: ${declarationFile}`);
-}
-
-copyFileSync(declarationFile, esmDeclarationFile);

tsconfig.build.json

@@ -1,10 +0,0 @@
-{
-    "extends": "./tsconfig.json",
-    "compilerOptions": {
-        "declaration": true,
-        "declarationMap": false,
-        "emitDeclarationOnly": true,
-        "rootDir": "./src"
-    },
-    "include": ["src/**/*.ts"]
-}

tsconfig.eslint.json

@@ -1,4 +1,7 @@
 {
     "extends": "./tsconfig.json",
+    "compilerOptions": {
+        "skipLibCheck": true
+    },
     "include": ["src/**/*.ts", "tests/**/*.ts", "tsup.config.ts"]
 }

tsconfig.json

@@ -1,31 +1,22 @@
 {
     "compilerOptions": {
-        "target": "ES2022",
+        "target": "ES2024",
-        "lib": ["ES2022"],
+        "lib": ["ES2024"],
-        "module": "Node16",
+        "module": "Node20",
-        "moduleResolution": "node16",
-        "resolveJsonModule": true,
         "types": [],
         "rootDir": "./",
         "outDir": "./dist",
         "esModuleInterop": true,
-        "allowSyntheticDefaultImports": true,
         "forceConsistentCasingInFileNames": true,
         "strict": true,
-        "noImplicitAny": true,
+        "isolatedModules": true,
-        "strictNullChecks": true,
+        "erasableSyntaxOnly": true,
-        "strictFunctionTypes": true,
-        "strictBindCallApply": true,
-        "strictPropertyInitialization": true,
-        "alwaysStrict": true,
         "noUnusedLocals": true,
         "noUnusedParameters": true,
         "noImplicitReturns": true,
         "noUncheckedIndexedAccess": true,
         "exactOptionalPropertyTypes": true,
         "noFallthroughCasesInSwitch": true,
-        "useUnknownInCatchVariables": true,
-        "skipLibCheck": true,
         "noEmitOnError": true
     },
     "include": ["src"],

tsconfig.test.json

@@ -1,8 +1,8 @@
 {
     "extends": "./tsconfig.json",
     "compilerOptions": {
-        "isolatedModules": true,
+        "outDir": "./dist-test",
-        "outDir": "./dist-test"
+        "skipLibCheck": true
     },
     "include": ["src/**/*.ts", "tests/**/*.ts", "tsup.config.ts"]
 }

tsup.config.ts

@@ -3,7 +3,12 @@ import { defineConfig } from 'tsup';
 export default defineConfig({
     format: ['cjs', 'esm'],
     entry: ['./src/index.ts'],
-    dts: false,
+    dts: {
+        compilerOptions: {
+            // tsup's declaration bundler still sets the removed baseUrl option internally.
+            ignoreDeprecations: '6.0',
+        },
+    },
     shims: true,
     skipNodeModulesBundle: true,
     clean: true,