updated .gitignore, cleared unwanted files and folders, added close stream functionality

test/readWrite.js

@@ -0,0 +1,51 @@
+const nodeAudio = require('bindings')('nodeaudio.node'),
+      EventEmitter = require('events'),
+      sleep = require('sleep'),
+      emitter = new EventEmitter();
+
+let recording = false;
+
+const chunks = [];
+emitter.on("data", (int16Arr) => {
+    if (recording) {
+        console.log(`Captured ${int16Arr.length} frames`);
+        chunks.push(int16Arr);
+    }
+});
+
+nodeAudio.Initialize(emitter.emit.bind(emitter)); /* Accepts an event emitter */
+
+nodeAudio.OpenInputStream(nodeAudio.GetDefaultInputDevice());
+nodeAudio.OpenOutputStream(nodeAudio.GetDefaultOutputDevice());
+
+recording = true;
+
+setTimeout(() => {
+
+    recording = false;
+    pcmAudio = mergeChunks(chunks);
+    chunks.lengh = 0;
+
+    nodeAudio.WriteToOutputStream(pcmAudio.buffer);
+
+    setTimeout(nodeAudio.Terminate, 5000);
+
+}, 2000);
+
+const mergeChunks = (chunks) => {
+    const chunkLengths = chunks.map((b) => b.length), // as well as here... 
+          totalChunkLength = chunkLengths.reduce((p, c) => p+c, 0),
+          int16Arr = new Int16Array(totalChunkLength);
+
+    console.log(`${totalChunkLength} frames captured in total.`);
+
+    let offset = 0;
+    for (var i = 0; i < chunks.length; i++) { // and here...
+        int16Arr.set(chunks[i], offset); // seg fault happens here.
+        offset += chunkLengths[i];
+    }
+
+    return int16Arr;
+}
+
+ // we can also set js-created TypedArrays in line 41.