create cli version

Author: scripter-co

Diff for: cli.js

@@ -0,0 +1,8 @@
+#!/usr/bin/env node
+
+const { resolve } = require('path');
+const { connect, sendCommand, disconnect } = require(resolve(__dirname, './client'));
+
+connect()
+  .then(() => sendCommand(process.argv[2]))
+  .then(() => disconnect());

Diff for: client.js

@@ -0,0 +1,65 @@
+const { resolve } = require('path');
+const WebSocket = require('ws');
+const readline = require('readline');
+
+const mappings = require(resolve(__dirname, './mappings'));
+
+const IP = '192.168.1.100';
+const PORT = 8001;
+
+const stdin = process.openStdin();
+const readLine = readline.createInterface({
+  input: process.stdin,
+  output: process.stdout,
+  terminal: false
+});
+
+function getCommand(keyPress) {
+  const command = {
+    method: 'ms.remote.control',
+    params: {
+      Cmd: 'Click',
+      DataOfCmd: keyPress,
+      Option: 'false',
+      TypeOfRemote: 'SendRemoteKey'
+    }
+  };
+
+  return JSON.stringify(command);
+}
+
+function sendCommand(input) {
+  const keyPress = mappings[input]
+  if (keyPress) {
+    connection.send(getCommand(keyPress));
+  }
+}
+
+function listenForCommands() {
+  readLine.on('line', sendCommand);
+}
+
+let connection;
+function connect() {
+  return new Promise((resolve) => {
+    connection = new WebSocket(`ws://${IP}:${PORT}/api/v2/channels/samsung.remote.control`);
+    connection.on('open', () => {
+      listenForCommands();
+      resolve();
+    });
+  });
+}
+
+function disconnect() {
+  if (connection) {
+    connection.close();
+    readLine.close();
+    connection = undefined;
+  }
+}
+
+module.exports = {
+  connect,
+  disconnect,
+  sendCommand
+};

Diff for: index.js

@@ -1,42 +1,3 @@
-const mappings = require('./mappings');
-const WebSocket = require('ws');
-const readline = require('readline');
-
-const IP = '192.168.1.100';
-const PORT = 8001;
-const ws = new WebSocket(`ws://${IP}:${PORT}/api/v2/channels/samsung.remote.control`);
-
-const stdin = process.openStdin();
-const readLine = readline.createInterface({
-  input: process.stdin,
-  output: process.stdout,
-  terminal: false
-});
-
-function getCommand(keyPress) {
-  const command = {
-    method: 'ms.remote.control',
-    params: {
-      Cmd: 'Click',
-      DataOfCmd: keyPress,
-      Option: 'false',
-      TypeOfRemote: 'SendRemoteKey'
-    }
-  };
-
-  return JSON.stringify(command);
-}
-
-function processLineEntry(input) {
-  const keyPress = mappings[input]
-  if (keyPress) {
-    ws.send(getCommand(keyPress));
-  }
-}
-
-function listenForCommands() {
-  readLine.on('line', processLineEntry);
-}
-
-ws.on('open', listenForCommands);
+const { connect } = require("./client");
 
+connect();

Diff for: package.json

@@ -7,6 +7,9 @@
     "start": "node index.js",
     "debug": "nodemon index.js"
   },
+  "bin": {
+    "tv": "./cli.js"
+  },
   "author": "Nathan Mahdavi",
   "license": "ISC",
   "dependencies": {