feat: ESM support

feat: automatic .d.ts generation

chore(deps): yargs@17

.gitignore

@@ -8,6 +8,7 @@ coverage
 *.pid
 *.gz
 
+.parcel-cache
 dist
 pids
 logs

bin/peerjs.ts

@@ -1,14 +1,13 @@
 #!/usr/bin/env node
-// tslint:disable
 
-const path = require("path");
+import path from "path";
-const pkg = require("../package.json");
+import {version} from "../package.json";
-const fs = require("fs");
+import fs from "fs";
 const optimistUsageLength = 98;
-const yargs = require("yargs");
+import yargs from "yargs";
-const version = pkg.version;
+import { PeerServer } from "../src";
-const { PeerServer } = require("../dist/src");
+import { AddressInfo } from "net";
-const opts = yargs
+const opts =  yargs
   .usage("Usage: $0")
   .wrap(Math.min(optimistUsageLength, yargs.terminalWidth()))
   .options({
@@ -16,60 +15,66 @@ const opts = yargs
       demandOption: false,
       alias: "t",
       describe: "timeout (milliseconds)",
-      default: 5000
+      default: 5000,
     },
     concurrent_limit: {
       demandOption: false,
       alias: "c",
       describe: "concurrent limit",
-      default: 5000
+      default: 5000,
     },
     alive_timeout: {
       demandOption: false,
       describe: "broken connection check timeout (milliseconds)",
-      default: 60000
+      default: 60000,
     },
     key: {
       demandOption: false,
       alias: "k",
       describe: "connection key",
-      default: "peerjs"
+      default: "peerjs",
     },
     sslkey: {
+      type: "string",
       demandOption: false,
-      describe: "path to SSL key"
+      describe: "path to SSL key",
     },
     sslcert: {
+      type: "string",
       demandOption: false,
-      describe: "path to SSL certificate"
+      describe: "path to SSL certificate",
     },
     host: {
+      type: "string",
       demandOption: false,
       alias: "H",
-      describe: "host"
+      describe: "host",
     },
     port: {
+      type: "number",
       demandOption: true,
       alias: "p",
-      describe: "port"
+      describe: "port",
     },
     path: {
+      type: "string",
       demandOption: false,
       describe: "custom path",
-      default: "/"
+      default: "/",
     },
     allow_discovery: {
+      type: "boolean",
       demandOption: false,
-      describe: "allow discovery of peers"
+      describe: "allow discovery of peers",
     },
     proxied: {
+      type: "boolean",
       demandOption: false,
       describe: "Set true if PeerServer stays behind a reverse proxy",
-      default: false
+      default: false,
-    }
+    },
   })
-  .boolean("allow_discovery")
+  .boolean("allow_discovery").argv;
-  .argv;
 
 process.on("uncaughtException", function (e) {
   console.error("Error: " + e);
@@ -79,44 +84,48 @@ if (opts.sslkey || opts.sslcert) {
   if (opts.sslkey && opts.sslcert) {
     opts.ssl = {
       key: fs.readFileSync(path.resolve(opts.sslkey)),
-      cert: fs.readFileSync(path.resolve(opts.sslcert))
+      cert: fs.readFileSync(path.resolve(opts.sslcert)),
     };
 
     delete opts.sslkey;
     delete opts.sslcert;
   } else {
-    console.error("Warning: PeerServer will not run because either " +
+    console.error(
-      "the key or the certificate has not been provided.");
+      "Warning: PeerServer will not run because either " +
+        "the key or the certificate has not been provided."
+    );
     process.exit(1);
   }
 }
 
 const userPath = opts.path;
-const server = PeerServer(opts, server => {
+const server = PeerServer(opts, (server) => {
-  const host = server.address().address;
+  const { address: host, port } = server.address() as AddressInfo;
-  const port = server.address().port;
 
   console.log(
     "Started PeerServer on %s, port: %s, path: %s (v. %s)",
-    host, port, userPath || "/", version
+    host,
+    port,
+    userPath || "/",
+    version
   );
 
   const shutdownApp = () => {
     server.close(() => {
-      console.log('Http server closed.');
+      console.log("Http server closed.");
 
       process.exit(0);
     });
   };
 
-  process.on('SIGINT', shutdownApp);
+  process.on("SIGINT", shutdownApp);
-  process.on('SIGTERM', shutdownApp);
+  process.on("SIGTERM", shutdownApp);
 });
 
-server.on("connection", client => {
+server.on("connection", (client) => {
   console.log(`Client connected: ${client.getId()}`);
 });
 
-server.on("disconnect", client => {
+server.on("disconnect", (client) => {
   console.log(`Client disconnected: ${client.getId()}`);
 });

package.json

@@ -18,9 +18,13 @@
   },
   "license": "MIT",
   "contributors": [],
-  "main": "dist/src/index.js",
+  "main": "dist/index.js",
+  "module": "dist/module.js",
+  "source": "src/index.ts",
+  "binary": "dist/bin/peerjs.js",
+  "types": "dist/peer.d.ts",
   "bin": {
-    "peerjs": "./bin/peerjs"
+    "peerjs": "dist/bin/peerjs.js"
   },
   "funding": {
     "type": "opencollective",
@@ -31,36 +35,39 @@
     "url": "https://opencollective.com/peer"
   },
   "files": [
-    "bin/",
+    "dist/"
-    "dist/",
-    "index.d.ts"
   ],
   "engines": {
     "node": ">=14"
   },
+  "targets": {
+    "binary": {
+      "source": "bin/peerjs.ts"
+    },
+    "main": {},
+    "module": {}
+  },
   "scripts": {
-    "preversion": "npm run clean && npm run build",
+    "build": "parcel build",
-    "build": "tsc",
+    "lint": "eslint --ext .js,.ts . && npm run check",
-    "clean": "rimraf ./dist",
+    "check": "tsc --noEmit",
-    "lint": "eslint --ext .js,.ts .",
-    "tsc": "tsc",
-    "prebuild": "npm run lint",
     "test": "npm run lint && mocha \"test/**/*\"",
     "coverage": "nyc mocha \"test/**/*\"",
     "coverage:lcov": "nyc --reporter=lcov mocha \"test/**/*\"",
-    "start": "bin/peerjs --port ${PORT:=9000}",
+    "start": "dist/bin/peerjs.js --port ${PORT:=9000}",
-    "dev:start": "npm-run-all build start",
+    "dev": "nodemon --watch src -e ts --exec npm run start",
-    "dev": "nodemon --watch src -e ts --exec npm run dev:start",
     "semantic-release": "semantic-release"
   },
   "dependencies": {
     "cors": "^2.8.5",
     "express": "^4.17.1",
     "ws": "^7.2.3",
-    "yargs": "^15.3.1"
+    "yargs": "^17.6.2"
   },
   "devDependencies": {
     "@istanbuljs/nyc-config-typescript": "^1.0.2",
+    "@parcel/packager-ts": "^2.8.2",
+    "@parcel/transformer-typescript-types": "^2.8.2",
     "@semantic-release/changelog": "^6.0.1",
     "@semantic-release/git": "^10.0.1",
     "@types/chai": "^4.2.11",
@@ -69,6 +76,7 @@
     "@types/mocha": "^7.0.2",
     "@types/node": "^14.18.33",
     "@types/ws": "^7.2.3",
+    "@types/yargs": "^17.0.19",
     "@typescript-eslint/eslint-plugin": "^2.24.0",
     "@typescript-eslint/parser": "^2.24.0",
     "chai": "^4.2.0",
@@ -78,6 +86,7 @@
     "nodemon": "^2.0.20",
     "npm-run-all": "^4.1.5",
     "nyc": "^15.1.0",
+    "parcel": "^2.8.2",
     "rimraf": "^3.0.2",
     "semantic-release": "^19.0.5",
     "sinon": "^7.5.0",

test/peerjs.ts

@@ -35,7 +35,7 @@ describe('Check bin/peerjs', () => {
       rejecter = reject;
     });
 
-    const ls = spawn('node', [path.join(__dirname, '../', 'bin/peerjs'), '--port', PORT]);
+    const ls = spawn('node', [path.join(__dirname, '../', 'dist/bin/peerjs.js'), '--port', PORT]);
 
     ls.stdout.on('data', async (data: string) => {
       if (!data.includes('Started')) return;

tsconfig.json

@@ -3,6 +3,7 @@
         "lib": [
             "esnext"
         ],
+		"noEmit": true,
         "target": "es2016",
         "module": "commonjs",
         "strict": true,