add pick-music-track.js

examples/pick-music-track.js

@@ -0,0 +1,25 @@
+const fs = require('fs');
+const { readdirSync } = require('fs');
+const musicPath = '../assets/snd/';
+
+const getDirectories = source =>
+  readdirSync(source, { withFileTypes: true })
+    .filter(dirent => dirent.isDirectory())
+    .map(dirent => dirent.name)
+
+
+function pickATrack(){
+  let soundDirs = getDirectories(musicPath);
+
+  let whichDir = Math.floor(Math.random()*soundDirs.length);
+
+  let filesInDir = fs.readdirSync(musicPath+soundDirs[whichDir]).length;
+
+  let whichTrack = Math.floor(Math.random()*filesInDir);
+
+  let trackLoc = musicPath+soundDirs[whichDir]+'/'+whichTrack+'.mp3';
+
+  return "track: "+trackLoc;
+}
+
+console.log(pickATrack());