fix: Update TypeScript declaration files

Author: Rapsssito

README.md

@@ -146,7 +146,7 @@ client.on('close', function(){
 ```javascript
 const server = TcpSocket.createServer(function(socket) {
   socket.on('data', (data) => {
-    socket.write('Echo server', data);
+    socket.write('Echo server ' + data);
   });
 
   socket.on('error', (error) => {

__tests__/index.test.js

@@ -1,3 +1,4 @@
+import { expect, test } from '@jest/globals';
 import TcpSockets from '../src/index';
 import TcpServer from '../src/TcpServer';
 import TcpSocket from '../src/TcpSocket';

package.json

@@ -61,6 +61,7 @@
     "@semantic-release/git": "^9.0.0",
     "@semantic-release/github": "^7.0.0",
     "@semantic-release/npm": "^7.0.0",
+    "@types/events": "^3.0.0",
     "@types/jest": "^25.1.3",
     "@types/react-native": "^0.61.17",
     "babel-eslint": "^10.1.0",
@@ -70,13 +71,13 @@
     "eslint-plugin-jest": "^23.6.0",
     "eslint-plugin-jsdoc": "^21.0.0",
     "eslint-plugin-prettier": "^3.1.1",
-    "jest": "^24.9.0",
+    "jest": "^26.6.3",
     "metro-react-native-babel-preset": "^0.58.0",
     "prettier": "^1.18.2",
     "react": "16.9.0",
     "react-native": "0.60.0",
     "semantic-release": "^17.0.1",
-    "typescript": "^3.8.2"
+    "typescript": "^4.1.3"
   },
   "dependencies": {
     "buffer": "^5.4.3",

src/TcpServer.js

@@ -4,10 +4,13 @@ import { NativeModules } from 'react-native';
 const Sockets = NativeModules.TcpSockets;
 import TcpSocket from './TcpSocket';
 
+/**
+ * @typedef {import('react-native').NativeEventEmitter} NativeEventEmitter
+ */
 export default class TcpServer extends TcpSocket {
     /**
      * @param {number} id
-     * @param {import("react-native").NativeEventEmitter} eventEmitter
+     * @param {NativeEventEmitter} eventEmitter
      * @param {(socket: TcpSocket) => void} connectionCallback
      */
     constructor(id, eventEmitter, connectionCallback) {

src/TcpSocket.js

@@ -2,7 +2,7 @@
 
 import { NativeModules, Image } from 'react-native';
 import { EventEmitter } from 'events';
-const Buffer = (global.Buffer = global.Buffer || require('buffer').Buffer);
+import { Buffer } from 'buffer';
 const Sockets = NativeModules.TcpSockets;
 
 const STATE = {
@@ -12,6 +12,10 @@ const STATE = {
 };
 
 /**
+ * @typedef {"ascii" | "utf8" | "utf-8" | "utf16le" | "ucs2" | "ucs-2" | "base64" | "latin1" | "binary" | "hex"} BufferEncoding
+ *
+ * @typedef {import('react-native').NativeEventEmitter} NativeEventEmitter
+ *
  * @typedef {{
  * port: number;
  * host?: string;
@@ -30,18 +34,22 @@ export default class TcpSocket extends EventEmitter {
      * Initialices a TcpSocket.
      *
      * @param {number} id
-     * @param {import('react-native').NativeEventEmitter} eventEmitter
+     * @param {NativeEventEmitter} eventEmitter
      * @param {string} [address]
      */
     constructor(id, eventEmitter, address) {
         super();
+        /** @protected */
         this._id = id;
+        /** @protected */
         this._eventEmitter = eventEmitter;
-        /** @type {number} */
+        /** @type {number} @private */
         this._timeoutMsecs = 0;
+        /** @private */
         this._timeout = undefined;
-        /** @type {number} */
+        /** @type {number} @private */
         this._state = STATE.DISCONNECTED;
+        /** @private */
         this._encoding = undefined;
         this._registerEvents();
         if (address != undefined) this._setConnected(address);

tsconfig.json

@@ -5,6 +5,7 @@
         "noEmit": true,
         "strict": true,
         "skipLibCheck": true,
+        "typeRoots": ["@types/events"]
     },
     "include": ["src/", "__tests__/", "__mocks__/"],
 }