Add random ID for each record

src/lib/recorder.js

@@ -34,9 +34,9 @@ export default class {
     this.context.close()
 
     let encoder = new WavEncoder({
-      bufferSize: this.bufferSize,
-      sampleRate: this.context.sampleRate,
-      samples: this.samples
+      bufferSize : this.bufferSize,
+      sampleRate : this.context.sampleRate,
+      samples    : this.samples
     })
 
     let audioBlob = encoder.getData()
@@ -45,15 +45,17 @@ export default class {
     this.samples = []
 
     this.records.push({
-      blob: audioBlob,
-      url: audioUrl,
-      duration: convertTimeMMSS(this.duration)
+      id       : Date.now(),
+      blob     : audioBlob,
+      duration : convertTimeMMSS(this.duration),
+      url      : audioUrl
     })
 
+    this._duration = 0
+    this.duration  = 0
+
     this.isPause     = false
     this.isRecording = false
-    this._duration = 0
-    this.duration = 0
 
     if (this.afterStop) {
       this.afterStop()
@@ -80,9 +82,9 @@ export default class {
 
   _micCaptured (stream) {
     this.context    = new(window.AudioContext || window.webkitAudioContext)()
+    this.duration   = this._duration
     this.input      = this.context.createMediaStreamSource(stream)
     this.processor  = this.context.createScriptProcessor(this.bufferSize, 1, 1)
-    this.duration = this._duration
     this.stream     = stream
 
     this.processor.onaudioprocess = (ev) => {