Custom node-js script for audio output device switching

install/2_cli-tools.sh

@@ -41,3 +41,7 @@ pip install tt-time-tracker
 # clipper
 mkdir -p ~/Library/LaunchAgents
 brew services start clipper
+
+# switchaudio + custom node-script
+cd ~/dotfiles/other/out
+npm install

other/out/main.js

@@ -0,0 +1,55 @@
+import util from 'util';
+import { exec } from 'child_process';
+import enquirer from 'enquirer';
+
+const devices = [];
+const asyncExec = util.promisify(exec);
+const parseJson = jsonString => {
+  try {
+    return JSON.parse(jsonString);
+  } catch (e) {
+    return undefined;
+  }
+};
+
+async function changeDevice(device) {
+  const names = devices.map(d => d.name);
+  const ids = devices.map(d => d.id);
+  const index = names.findIndex(element => element === device);
+  const id = ids[index];
+
+  await asyncExec(`SwitchAudioSource -i ${id}`);
+  console.log(`❯ Selected ${device} as new audio output device`);
+  console.log('❯ Restarting Spotify Daemon');
+
+  await asyncExec('brew services restart spotifyd');
+  console.log('❯ Done 😀🎧🤘');
+}
+
+async function main() {
+  const { stdout } = await asyncExec('SwitchAudioSource -a -f json');
+  const lines = stdout.split(/\r?\n/).filter(element => element);
+
+  lines.forEach(line => {
+    const device = parseJson(line);
+    if (device !== undefined && device.type === 'output') {
+      devices.push(device);
+    }
+  });
+
+  if (devices.length > 0) {
+    const { AutoComplete } = enquirer;
+    const prompt = new AutoComplete({
+      name: 'device',
+      multiple: false,
+      message: 'Pick output audio device',
+      limit: 10,
+      initial: 0,
+      choices: devices.map(d => d.name),
+    });
+
+    prompt.run().then(device => changeDevice(device));
+  }
+}
+
+main();

other/out/package-lock.json

@@ -0,0 +1,50 @@
+{
+  "name": "out",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "out",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "enquirer": "^2.3.6"
+      }
+    },
+    "node_modules/ansi-colors": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.3.tgz",
+      "integrity": "sha512-/6w/C21Pm1A7aZitlI5Ni/2J6FFQN8i1Cvz3kHABAAbw93v/NlvKdVOqz7CCWz/3iv/JplRSEEZ83XION15ovw==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/enquirer": {
+      "version": "2.3.6",
+      "resolved": "https://registry.npmjs.org/enquirer/-/enquirer-2.3.6.tgz",
+      "integrity": "sha512-yjNnPr315/FjS4zIsUxYguYUPP2e1NK4d7E7ZOLiyYCcbFBiTMyID+2wvm2w6+pZ/odMA7cRkjhsPbltwBOrLg==",
+      "dependencies": {
+        "ansi-colors": "^4.1.1"
+      },
+      "engines": {
+        "node": ">=8.6"
+      }
+    }
+  },
+  "dependencies": {
+    "ansi-colors": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.3.tgz",
+      "integrity": "sha512-/6w/C21Pm1A7aZitlI5Ni/2J6FFQN8i1Cvz3kHABAAbw93v/NlvKdVOqz7CCWz/3iv/JplRSEEZ83XION15ovw=="
+    },
+    "enquirer": {
+      "version": "2.3.6",
+      "resolved": "https://registry.npmjs.org/enquirer/-/enquirer-2.3.6.tgz",
+      "integrity": "sha512-yjNnPr315/FjS4zIsUxYguYUPP2e1NK4d7E7ZOLiyYCcbFBiTMyID+2wvm2w6+pZ/odMA7cRkjhsPbltwBOrLg==",
+      "requires": {
+        "ansi-colors": "^4.1.1"
+      }
+    }
+  }
+}

other/out/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "out",
+  "version": "1.0.0",
+  "description": "Audio Output Switcher",
+  "main": "main.js",
+  "type": "module",
+  "scripts": {
+    "run": "node main.js"
+  },
+  "author": "Steffen Rademacker <kontakt@webgefrickel.de>",
+  "license": "MIT",
+  "dependencies": {
+    "enquirer": "^2.3.6"
+  }
+}

zsh/aliases.zsh

@@ -17,6 +17,7 @@ alias mutt='neomutt'
 alias nb="npm run build"
 alias npmre='rm -f package-lock.json && rm -rf node_modules && npm install'
 alias ns="npm start"
+alias out="node ~/Dotfiles/other/out/main.js"
 alias q='exit'
 alias sudo='sudo '
 alias t='tmux -u -2'

zsh/functions.zsh

@@ -53,11 +53,6 @@ wttr () {
   fi
 }
 
-out () {
-  SwitchAudioSource -n
-  brew services restart spotifyd
-}
-
 webvideo () {
   if [ $# -eq 0 ]; then
     echo "No arguments supplied, example usage: webvideo FILENAME --resize 1920 --mute"