Update version to 3.0.1

- use MP3 instead of WAV
 - new callbacks & properties
 - refactoring

README.md

@@ -14,8 +14,9 @@
 - Records limit
 - A lot of callbacks
 - Individual an audio player
+- MP3 support
 
-### Tested in
+### Tested in (desktop)
 
 - Chrome
 - Firefox
@@ -29,21 +30,23 @@ npm i vue-audio-recorder --save
 
 ## AudioRecorder props
 
-| Prop                  | Type     | Description                                                     |
-| --------------------- | -------- | --------------------------------------------------------------- |
-| attempts              | Number   | Number of recording attempts                                    |
-| compact               | Boolean  | Hide the download and upload buttons                            |
-| time                  | Number   | Time limit for the record (minutes)                             |
-| upload-url            | String   | URL for uploading                                               |
-| start-record          | Function | Fires after click the record button                             |
-| stop-record           | Function | Fires after click the stop button or exceeding the time limit   |
-| start-upload          | Function | Fires after start uploading                                     |
-| attempts-limit        | Function | Fires after exceeding the attempts                              |
-| failed-upload         | Function | Fires after a failure uploading                                 |
-| mic-failed            | Function | Fires if your microphone doesn't work                           |
-| successful-upload     | Function | Fires after a successful uploading                              |
-| successful-upload-msg | String   | Displays the message after a successful uploading               |
-| failed-upload-msg     | String   | Displays the message after a failure uploading                  |
+| Prop                  | Type     | Description                                                              |
+| --------------------- | -------- | ------------------------------------------------------------------------ |
+| attempts              | Number   | Number of recording attempts                                             |
+| headers               | Object   | HTTP headers                                                             |
+| time                  | Number   | Time limit for the record (minutes)                                      |
+| filename              | String   | Download/Upload filename                                                 |
+| upload-url            | String   | URL for uploading                                                        |
+| show-download-button  | Boolean  | If it is true show a download button. Default: true                      |
+| show-upload-button    | Boolean  | If it is true show an upload button. Default: true                       |
+| before-upload         | Function | Callback fires before uploading                                          |
+| successful-upload     | Function | Callback fires after successful uploading                                |
+| failed-upload         | Function | Callback fires after failure uploading                                   |
+| mic-failed            | Function | Callback fires if your microphone doesn't work                           |
+| before-recording      | Function | Callback fires after click the record button                             |
+| pause-recording       | Function | Callback fires after pause recording                                     |
+| after-recording       | Function | Callback fires after click the stop button or exceeding the time limit   |
+| select-record         | Function | Callback fires after choise a record. Returns the record                 |
 
 ## AudioPlayer props
 | Prop                  | Type     | Description                                                     |
@@ -52,31 +55,31 @@ npm i vue-audio-recorder --save
 
 ## Usage
 
-The most common use case is to register the component globally
-
-```js
-    import {AudioRecorder, AudioPlayer} from 'vue-audio-recorder'
-
-    Vue.component(AudioPlayer)
-    Vue.component(AudioRecorder)
-```
-
-Alternatively you can do this to register the components
-
 ```js
     import AudioRecorder from 'vue-audio-recorder'
 
     Vue.use(AudioRecorder)
 ```
 
+```js
+    methods: {
+      callback (data) {
+        console.debug(data)
+      }
+    }
+```
+
 ```html
   <audio-recorder
     upload-url="YOUR_API_URL"
     :attempts="3"
     :time="2"
-    :start-record="callback"
-    :stop-record="callback"
-    :start-upload="callback"
+    :headers="headers"
+    :before-recording="callback"
+    :pause-recording="callback"
+    :after-recording="callback"
+    :select-record="callback"
+    :before-upload="callback"
     :successful-upload="callback"
     :failed-upload="callback"/>
 ```

demo/app.vue

@@ -13,9 +13,12 @@
       upload-url="some url"
       :attempts="3"
       :time="2"
-      :start-record="callback"
-      :stop-record="callback"
-      :start-upload="callback"
+      :headers="headers"
+      :before-recording="callback"
+      :pause-recording="callback"
+      :after-recording="callback"
+      :select-record="callback"
+      :before-upload="callback"
       :successful-upload="callback"
       :failed-upload="callback"/>
 
@@ -24,19 +27,15 @@
 </template>
 
 <script>
-  import AudioPlayer from '../src/components/player'
-  import AudioRecorder from '../src/components/recorder'
-
   export default {
     name: 'app',
-    components: {
-      AudioPlayer,
-      AudioRecorder
-    },
     data () {
       return {
         mp3: '/demo/example.mp3',
-        showRecorder: true
+        showRecorder: true,
+        headers: {
+          'X-Custom-Header': 'some data'
+        }
       }
     },
     methods: {

demo/index.js

@@ -2,8 +2,12 @@ import Vue from 'vue'
 import axios from 'axios'
 import app from './app'
 
+import AudioRecorder from '@/index'
+
 Vue.prototype.$http = axios
 
+Vue.use(AudioRecorder)
+
 new Vue({
   el: '#app',
   render: h => h(app)

package.json

@@ -1,14 +1,16 @@
 {
   "name": "vue-audio-recorder",
   "description": "Audio recorder for Vue.js. It allows to create, play, download and store records on a server",
-  "version": "2.0.0",
+  "version": "3.0.1",
   "author": "Gennady Grishkovtsov <grishkovelli@gmail.com>",
   "license": "MIT",
   "scripts": {
-    "dev": "cross-env NODE_ENV=development webpack-dev-server --open --hot --https",
-    "build": "cross-env NODE_ENV=production webpack --progress --hide-modules"
+    "dev": "webpack-dev-server --env.NODE_ENV=development --mode development --open --hot --https",
+    "build": "webpack --env.NODE_ENV=production --mode production --progress --hide-modules"
+  },
+  "dependencies": {
+    "lamejs": "^1.2.0"
   },
-  "dependencies": {},
   "browserslist": [
     "> 1%",
     "last 2 versions",
@@ -26,11 +28,13 @@
     "html-webpack-plugin": "^3.2.0",
     "node-sass": "^4.5.3",
     "sass-loader": "^6.0.6",
+    "uglifyjs-webpack-plugin": "^2.0.1",
     "vue": "^2.5.16",
-    "vue-loader": "^13.0.5",
+    "vue-loader": "^14.2.2",
     "vue-template-compiler": "^2.4.4",
-    "webpack": "^3.6.0",
-    "webpack-dev-server": "^2.9.1",
+    "webpack": "^4.17.1",
+    "webpack-cli": "^3.1.2",
+    "webpack-dev-server": "^3.1.9",
     "webpack-merge": "^4.1.3"
   },
   "main": "dist/vue-audio-recorder.min.js",

src/components/downloader.vue

@@ -0,0 +1,37 @@
+<style lang="scss">
+  @import '../scss/icons';
+</style>
+
+<template>
+  <icon-button
+    id="download"
+    class="ar-icon ar-icon__xs ar-icon--no-border"
+    name="download"
+    @click.native="download"/>
+</template>
+
+<script>
+  import IconButton from './icon-button'
+
+  export default {
+    props: {
+      record    : { type: Object },
+      filename  : { type: String }
+    },
+    components: {
+      IconButton
+    },
+    methods: {
+      download () {
+        if (!this.record.url) {
+          return
+        }
+
+        const link = document.createElement('a')
+        link.href = this.record.url
+        link.download = `${this.filename}.mp3`
+        link.click()
+      }
+    }
+  }
+</script>

src/components/line-control.vue

@@ -24,7 +24,7 @@
 </template>
 
 <script>
-  import { calculateLineHeadPosition } from '@/lib/utils.js'
+  import { calculateLineHeadPosition } from '@/lib/utils'
 
   export default {
     props: {
@@ -35,7 +35,7 @@
     },
     methods: {
       onMouseDown (ev) {
-        let seekPos = calculateLineHeadPosition(ev, this.$refs[this.refId])
+        const seekPos = calculateLineHeadPosition(ev, this.$refs[this.refId])
         this.$emit('change-linehead', seekPos)
         document.addEventListener('mousemove', this.onMouseMove)
         document.addEventListener('mouseup', this.onMouseUp)
@@ -43,17 +43,17 @@
       onMouseUp (ev) {
         document.removeEventListener('mouseup', this.onMouseUp)
         document.removeEventListener('mousemove', this.onMouseMove)
-        let seekPos = calculateLineHeadPosition(ev, this.$refs[this.refId])
+        const seekPos = calculateLineHeadPosition(ev, this.$refs[this.refId])
         this.$emit('change-linehead', seekPos)
       },
       onMouseMove (ev) {
-        let seekPos = calculateLineHeadPosition(ev, this.$refs[this.refId])
+        const seekPos = calculateLineHeadPosition(ev, this.$refs[this.refId])
         this.$emit('change-linehead', seekPos)
       }
     },
     computed: {
       calculateSize () {
-        let value = this.percentage < 1 ? this.percentage * 100 : this.percentage
+        const value = this.percentage < 1 ? this.percentage * 100 : this.percentage
         return `${this.rowDirection ? 'width' : 'height'}: ${value}%`
       }
     }

src/components/player.vue

@@ -1,16 +1,26 @@
 <style lang="scss">
   .ar-player {
     width: 380px;
-    height: 120px;
-    border: 1px solid #E8E8E8;
-    border-radius: 24px;
+    height: unset;
+    border: 0;
+    border-radius: 0;
     display: flex;
-    flex-direction: column-reverse;
+    flex-direction: row;
     align-items: center;
     justify-content: center;
-    background-color: #FAFAFA;
+    background-color: unset;
     font-family: 'Roboto', sans-serif;
 
+    & > .ar-player-bar {
+      border: 1px solid #E8E8E8;
+      border-radius: 24px;
+      margin: 0 0 0 5px;
+
+      & > .ar-player__progress {
+        width: 125px;
+      }
+    }
+
     &-bar {
       display: flex;
       align-items: center;
@@ -26,33 +36,6 @@
       justify-content: space-around;
     }
 
-    &--compact {
-      height: unset;
-      flex-direction: row;
-      border: 0;
-      border-radius: 0;
-      background-color: unset;
-
-      & > .ar-player-actions {
-        width: unset;
-
-        & > #download,
-        & > #upload {
-          display: none;
-        }
-      }
-
-      & > .ar-player-bar {
-        border: 1px solid #E8E8E8;
-        border-radius: 24px;
-        margin: 0 0 0 5px;
-
-        & > .ar-player__progress {
-          width: 125px;
-        }
-      }
-    }
-
     &__progress {
       width: 160px;
       margin: 0 8px;
@@ -81,27 +64,14 @@
 </style>
 
 <template>
-  <div class="ar-player" :class="{'ar-player--compact': compact}">
-
+  <div class="ar-player">
     <div class="ar-player-actions">
-      <icon-button
-        id="download"
-        class="ar-icon ar-icon__sm"
-        name="download"
-        @click.native="download"/>
-
       <icon-button
         id="play"
         class="ar-icon ar-icon__lg ar-player__play"
         :name="playBtnIcon"
         :class="{'ar-player__play--active': isPlaying}"
         @click.native="playback"/>
-
-      <icon-button
-        id="upload"
-        class="ar-icon ar-icon__sm"
-        name="save"
-        @click.native="upload"/>
     </div>
 
     <div class="ar-player-bar">
@@ -120,27 +90,23 @@
 </template>
 
 <script>
-  import IconButton from './icon-button'
-  import LineControl from './line-control'
+  import IconButton    from './icon-button'
+  import LineControl   from './line-control'
   import VolumeControl from './volume-control'
-  import { convertTimeMMSS } from '@/lib/utils.js'
+  import { convertTimeMMSS } from '@/lib/utils'
 
   export default {
     props: {
-      src              : { type: String                  },
-      uploadUrl        : { type: String                  },
-      record           : { type: Object                  },
-      compact          : { type: Boolean, default: true  },
-      startUpload      : { type: Function                },
-      successfulUpload : { type: Function                },
-      failedUpload     : { type: Function                }
+      src      : { type: String },
+      record   : { type: Object },
+      filename : { type: String }
     },
     data () {
       return {
-        isPlaying: false,
-        duration: convertTimeMMSS(0),
-        playedTime: convertTimeMMSS(0),
-        progress: 0
+        isPlaying  : false,
+        duration   : convertTimeMMSS(0),
+        playedTime : convertTimeMMSS(0),
+        progress   : 0
       }
     },
     components: {
@@ -161,14 +127,23 @@
       })
 
       this.player.addEventListener('timeupdate', this._onTimeUpdate)
+
+      this.$eventBus.$on('remove-record', () => {
+        this._resetProgress()
+      })
     },
     computed: {
+      audioSource () {
+        const url = this.src || this.record.url
+        if (url) {
+          return url
+        } else {
+          this._resetProgress()
+        }
+      },
       playBtnIcon () {
         return this.isPlaying ? 'pause' : 'play'
       },
-      audioSource () {
-        return this.src || this.record.url
-      },
       playerUniqId () {
         return `audio-player${this._uid}`
       }
@@ -187,47 +162,15 @@
 
         this.isPlaying = !this.isPlaying
       },
-      upload () {
-        if (!this.audioSource) {
-          return
-        }
-
-        if (this.startUpload) {
-          this.startUpload()
-        }
-
-        this.$emit('on-start-upload')
-
-        let data = new FormData()
-        data.append('audio', this.record.blob, 'my-record')
-
-        this.$http.post(this.uploadUrl, data, {
-          headers: {'Content-Type': `multipart/form-data; boundary=${data._boundary}`}
-        }).then(resp => {
-          this.$emit('on-end-upload', 'success')
-          if (this.successfulUpload) {
-            this.successfulUpload(resp)
-          }
-        }).catch(error => {
-          this.$emit('on-end-upload', 'fail')
-          if (this.failedUpload) {
-            this.failedUpload(error)
-          }
-        })
-      },
-      download () {
-        if (!this.audioSource) {
-          return
-        }
-
-        let link = document.createElement('a')
-        link.href = this.record.url
-        link.download = 'record.wav'
-        link.click()
-      },
       _resetProgress () {
-        this.isPlaying = false
-        this.progress = 0
+        if (this.isPlaying) {
+          this.player.pause()
+        }
+
+        this.duration   = convertTimeMMSS(0)
+        this.playedTime = convertTimeMMSS(0)
+        this.progress   = 0
+        this.isPlaying  = false
       },
       _onTimeUpdate () {
         this.playedTime = convertTimeMMSS(this.player.currentTime)

src/components/recorder.vue

@@ -23,12 +23,14 @@
 
       &__record {
         width: 320px;
+        height: 45px;
         padding: 0 10px;
         margin: 0 auto;
         line-height: 45px;
         display: flex;
         justify-content: space-between;
         border-bottom: 1px solid #E8E8E8;
+        position: relative;
 
         &--selected {
           border: 1px solid #E8E8E8;
@@ -70,7 +72,7 @@
       &__records-limit {
         position: absolute;
         color: #AEAEAE;
-        font-size: 12px;
+        font-size: 13px;
         top: 78px;
       }
     }
@@ -105,7 +107,7 @@
 
         @keyframes blink {
           0%    { opacity: .2; }
-          20%   { opacity: 1; }
+          20%   { opacity: 1;  }
           100%  { opacity: .2; }
         }
       }
@@ -144,6 +146,36 @@
         color: red;
       }
     }
+
+    &__rm {
+      cursor: pointer;
+      position: absolute;
+      width: 6px;
+      height: 6px;
+      padding: 6px;
+      line-height: 6px;
+      margin: auto;
+      left: 10px;
+      bottom: 0;
+      top: 0;
+      color: rgb(244, 120, 90);
+    }
+
+    &__downloader,
+    &__uploader {
+      position: absolute;
+      top: 0;
+      bottom: 0;
+      margin: auto;
+    }
+
+    &__downloader {
+      right: 115px;
+    }
+
+    &__uploader {
+      right: 85px;
+    }
   }
 
   @import '../scss/icons';
@@ -152,7 +184,6 @@
 <template>
   <div class="ar">
     <div class="ar__overlay" v-if="isUploading"></div>
-
     <div class="ar-spinner" v-if="isUploading">
       <div class="ar-spinner__dot"></div>
       <div class="ar-spinner__dot"></div>
@@ -182,75 +213,98 @@
       <div class="ar-records">
         <div
           class="ar-records__record"
-          :class="{'ar-records__record--selected': idx === selectedRecord.idx}"
+          :class="{'ar-records__record--selected': record.id === selected.id}"
+          :key="record.id"
           v-for="(record, idx) in recordList"
-          @click="selectRecord(idx, record)">
+          @click="choiceRecord(record)">
+            <div
+              class="ar__rm"
+              v-if="record.id === selected.id"
+              @click="removeRecord(idx)">&times;</div>
             <div class="ar__text">Record {{idx + 1}}</div>
             <div class="ar__text">{{record.duration}}</div>
+
+            <downloader
+              v-if="record.id === selected.id && showDownloadButton"
+              class="ar__downloader"
+              :record="record"
+              :filename="filename"/>
+
+            <uploader
+              v-if="record.id === selected.id && showUploadButton"
+              class="ar__uploader"
+              :record="record"
+              :filename="filename"
+              :headers="headers"
+              :upload-url="uploadUrl"/>
         </div>
       </div>
 
-      <audio-player
-        :compact="compact"
-        :record="selectedRecord"
-        :upload-url="uploadUrl"
-        :start-upload="startUpload"
-        :successful-upload="successfulUpload"
-        :failed-upload="failedUpload"
-        @start-upload="onStartUpload"
-        @end-upload="onEndUpload"/>
-
-      <div :class="uploadStatusClasses" v-if="uploadStatus">{{message}}</div>
+      <audio-player :record="selected"/>
     </div>
   </div>
 </template>
 
 <script>
-  import AudioPlayer          from './player.vue'
-  import IconButton           from './icon-button.vue'
-  import Recorder             from '@/lib/recorder.js'
-  import { convertTimeMMSS }  from '@/lib/utils.js'
+  import AudioPlayer from './player'
+  import Downloader  from './downloader'
+  import IconButton  from './icon-button'
+  import Recorder    from '@/lib/recorder'
+  import Uploader    from './uploader'
+  import UploaderPropsMixin from '@/mixins/uploader-props'
+  import { convertTimeMMSS }  from '@/lib/utils'
 
   export default {
+    mixins: [UploaderPropsMixin],
     props: {
-      attempts  : { type: Number                  },
-      compact   : { type: Boolean, default: false },
-      time      : { type: Number                  },
-      uploadUrl : { type: String                  },
+      attempts : { type: Number },
+      time     : { type: Number },
+
+      showDownloadButton : { type: Boolean, default: true },
+      showUploadButton   : { type: Boolean, default: true },
 
-      attemptsLimit    : { type: Function },
-      failedUpload     : { type: Function },
       micFailed        : { type: Function },
-      startRecord      : { type: Function },
-      startUpload      : { type: Function },
-      stopRecord       : { type: Function },
+      beforeRecording  : { type: Function },
+      pauseRecording   : { type: Function },
+      afterRecording   : { type: Function },
+      failedUpload     : { type: Function },
+      beforeUpload     : { type: Function },
       successfulUpload : { type: Function },
-
-      successfulUploadMsg : { type: String, default: 'Upload successful' },
-      failedUploadMsg     : { type: String, default: 'Upload fail'       }
+      selectRecord     : { type: Function }
     },
     data () {
       return {
-        isUploading: false,
-        recorder: new Recorder({
-          afterStop: () => {
-            this.recordList = this.recorder.recordList()
-
-            if (this.stopRecord) {
-              this.stopRecord('stop record')
-            }
-          },
-          attempts: this.attempts,
-          time: this.time
-        }),
-        recordList: [],
-        selectedRecord: {},
-        uploadStatus: null
+        isUploading   : false,
+        recorder      : this._initRecorder(),
+        recordList    : [],
+        selected      : {},
+        uploadStatus  : null,
       }
     },
     components: {
       AudioPlayer,
-      IconButton
+      Downloader,
+      IconButton,
+      Uploader
+    },
+    mounted () {
+      this.$eventBus.$on('start-upload', () => {
+        this.isUploading = true
+        this.beforeUpload && this.beforeUpload('before upload')
+      })
+
+      this.$eventBus.$on('end-upload', (msg) => {
+        this.isUploading = false
+
+        if (msg.status === 'success') {
+          this.successfulUpload && this.successfulUpload(msg.response)
+        } else {
+          this.failedUpload && this.failedUpload(msg.response)
+        }
+      })
+    },
+    beforeDestroy () {
+      this.stopRecorder()
     },
     methods: {
       toggleRecorder () {
@@ -260,14 +314,8 @@
 
         if (!this.isRecording || (this.isRecording && this.isPause)) {
           this.recorder.start()
-          if (this.startRecord) {
-            this.startRecord('start record')
-          }
         } else {
           this.recorder.pause()
-          if (this.startRecord) {
-            this.startRecord('pause record')
-          }
         }
       },
       stopRecorder () {
@@ -276,22 +324,32 @@
         }
 
         this.recorder.stop()
+        this.recordList = this.recorder.recordList()
       },
-      selectRecord (idx, record) {
-        this.selectedRecord = { idx: idx, url: record.url, blob: record.blob }
+      removeRecord (idx) {
+        this.recordList.splice(idx, 1)
+        this.$set(this.selected, 'url', null)
+        this.$eventBus.$emit('remove-record')
       },
-      onStartUpload () {
-        this.isUploading = true
+      choiceRecord (record) {
+        if (this.selected === record) {
+          return
+        }
+        this.selected = record
+        this.selectRecord && this.selectRecord(record)
       },
-      onEndUpload (status) {
-        this.isUploading = false
-        this.uploadStatus = status
-        setTimeout(() => {this.uploadStatus = null}, 1500)
+      _initRecorder () {
+        return new Recorder({
+          beforeRecording : this.beforeRecording,
+          afterRecording  : this.afterRecording,
+          pauseRecording  : this.pauseRecording,
+          micFailed       : this.micFailed
+        })
       }
     },
     computed: {
       attemptsLeft () {
-        return this.attempts - this.recorder.records.length
+        return this.attempts - this.recordList.length
       },
       iconButtonType () {
         return this.isRecording && this.isPause ? 'mic' : this.isRecording ? 'pause' : 'mic'
@@ -302,20 +360,12 @@
       isRecording () {
         return this.recorder.isRecording
       },
-      message () {
-        return this.uploadStatus === 'success' ? this.successfulUploadMsg : this.failedUploadMsg
-      },
       recordedTime () {
         if (this.time && this.recorder.duration >= this.time * 60) {
           this.stopRecorder()
         }
         return convertTimeMMSS(this.recorder.duration)
       },
-      uploadStatusClasses () {
-        let classes = ['ar__upload-status']
-        classes.push(this.uploadStatus === 'success' ? 'ar__upload-status--success' : 'ar__upload-status--fail')
-        return classes.join(' ')
-      },
       volume () {
         return parseFloat(this.recorder.volume)
       }

src/components/uploader.vue

@@ -0,0 +1,43 @@
+<style lang="scss">
+  @import '../scss/icons';
+</style>
+
+<template>
+  <icon-button name="save" class="ar-icon ar-icon__xs ar-icon--no-border" @click.native="upload"/>
+</template>
+
+<script>
+  import IconButton from './icon-button'
+  import UploaderPropsMixin from '@/mixins/uploader-props'
+
+  export default {
+    mixins: [UploaderPropsMixin],
+    props: {
+      record: { type: Object }
+    },
+    components: {
+      IconButton
+    },
+    methods: {
+      upload () {
+        if (!this.record.url) {
+          return
+        }
+
+        this.$eventBus.$emit('start-upload')
+
+        const data = new FormData()
+        data.append('audio', this.record.blob, `${this.filename}.mp3`)
+
+        const headers = Object.assign(this.headers, {})
+        headers['Content-Type'] = `multipart/form-data; boundary=${data._boundary}`
+
+        this.$http.post(this.uploadUrl, data, { headers: headers }).then(resp => {
+          this.$eventBus.$emit('end-upload', { status: 'success', response: resp })
+        }).catch(error => {
+          this.$eventBus.$emit('end-upload', { status: 'fail', response: error })
+        })
+      }
+    }
+  }
+</script>

src/components/volume-control.vue

@@ -37,8 +37,8 @@
 </template>
 
 <script>
-  import IconButton from './icon-button.vue'
-  import LineControl from './line-control.vue'
+  import IconButton  from './icon-button'
+  import LineControl from './line-control'
 
   export default {
     data () {

src/index.js

@@ -1,5 +1,5 @@
-import AudioPlayer from './components/player.vue'
-import AudioRecorder from './components/recorder.vue'
+import AudioPlayer   from '@/components/player.vue'
+import AudioRecorder from '@/components/recorder.vue'
 
 const components = {
   AudioPlayer,
@@ -12,6 +12,8 @@ const components = {
 
     this.installed = true
 
+    Vue.prototype.$eventBus = Vue.prototype.$eventBus || new Vue
+
     Vue.component('audio-player', AudioPlayer)
     Vue.component('audio-recorder', AudioRecorder)
   }

src/lib/encoder.js

@@ -0,0 +1,49 @@
+import { Mp3Encoder } from 'lamejs'
+
+export default class {
+  constructor(config) {
+    this.bitRate    = config.bitRate || 128
+    this.sampleRate = config.sampleRate || 44100
+    this.dataBuffer = []
+    this.encoder    = new Mp3Encoder(1, this.sampleRate, this.bitRate)
+  }
+
+  encode(arrayBuffer) {
+    const maxSamples = 1152
+    const samples    = this._convertBuffer(arrayBuffer)
+    let remaining    = samples.length
+
+    for (let i = 0; remaining >= 0; i += maxSamples) {
+      const left = samples.subarray(i, i + maxSamples)
+      const buffer = this.encoder.encodeBuffer(left)
+      this.dataBuffer.push(new Int8Array(buffer))
+      remaining -= maxSamples
+    }
+  }
+
+  finish() {
+    this.dataBuffer.push(this.encoder.flush())
+    const blob = new Blob(this.dataBuffer, { type: 'audio/mp3' })
+    this.dataBuffer = []
+
+    return {
+      id    : Date.now(),
+      blob  : blob,
+      url   : URL.createObjectURL(blob)
+    }
+  }
+
+  _floatTo16BitPCM(input, output) {
+    for (let i = 0; i < input.length; i++) {
+      const s = Math.max(-1, Math.min(1, input[i]))
+      output[i] = (s < 0 ? s * 0x8000 : s * 0x7FFF)
+    }
+  }
+
+  _convertBuffer(arrayBuffer) {
+    const data = new Float32Array(arrayBuffer)
+    const out = new Int16Array(arrayBuffer.length)
+    this._floatTo16BitPCM(data, out)
+    return out
+  }
+}

src/lib/recorder.js

@@ -1,17 +1,18 @@
-import WavEncoder from './wav-encoder'
+import Encoder from './encoder'
 import { convertTimeMMSS } from './utils'
 
 export default class {
   constructor (options = {}) {
-    this.afterStop = options.afterStop
-    this.micFailed = options.micFailed
+    this.beforeRecording = options.beforeRecording
+    this.pauseRecording  = options.pauseRecording
+    this.afterRecording  = options.afterRecording
+    this.micFailed       = options.micFailed
 
     this.bufferSize = 4096
     this.records    = []
-    this.samples    = []
 
-    this.isPause      = false
-    this.isRecording  = false
+    this.isPause     = false
+    this.isRecording = false
 
     this.duration = 0
     this.volume   = 0
@@ -20,11 +21,23 @@ export default class {
   }
 
   start () {
-    navigator.mediaDevices.getUserMedia({audio: true})
-                          .then(this._micCaptured.bind(this))
-                          .catch(this._micError.bind(this))
+    const constraints = {
+      video: false,
+      audio: {
+        channelCount: 1,
+        echoCancellation: false
+      }
+    }
+
+    this.beforeRecording && this.beforeRecording('start recording')
+
+    navigator.mediaDevices
+             .getUserMedia(constraints)
+             .then(this._micCaptured.bind(this))
+             .catch(this._micError.bind(this))
     this.isPause = false
     this.isRecording = true
+    this.lameEncoder = new Encoder({})
   }
 
   stop () {
@@ -33,31 +46,17 @@ export default class {
     this.processor.disconnect()
     this.context.close()
 
-    let encoder = new WavEncoder({
-      bufferSize: this.bufferSize,
-      sampleRate: this.context.sampleRate,
-      samples: this.samples
-    })
+    const record = this.lameEncoder.finish()
+    record.duration = convertTimeMMSS(this.duration)
+    this.records.push(record)
 
-    let audioBlob = encoder.getData()
-    let audioUrl = URL.createObjectURL(audioBlob)
-
-    this.samples = []
-
-    this.records.push({
-      blob: audioBlob,
-      url: audioUrl,
-      duration: convertTimeMMSS(this.duration)
-    })
-
-    this.isPause = false
-    this.isRecording = false
     this._duration = 0
-    this.duration = 0
+    this.duration  = 0
 
-    if (this.afterStop) {
-      this.afterStop()
-    }
+    this.isPause     = false
+    this.isRecording = false
+
+    this.afterRecording && this.afterRecording(record)
   }
 
   pause () {
@@ -68,6 +67,8 @@ export default class {
 
     this._duration = this.duration
     this.isPause = true
+
+    this.pauseRecording && this.pauseRecording('pause recording')
   }
 
   recordList () {
@@ -79,15 +80,17 @@ export default class {
   }
 
   _micCaptured (stream) {
-    this.context = new(window.AudioContext || window.webkitAudioContext)()
-    this.input = this.context.createMediaStreamSource(stream)
-    this.processor = this.context.createScriptProcessor(this.bufferSize, 1, 1)
-    this.duration = this._duration
-    this.stream = 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.stream     = stream
 
     this.processor.onaudioprocess = (ev) => {
-      let sample = ev.inputBuffer.getChannelData(0)
-      let sum    = 0.0
+      const sample = ev.inputBuffer.getChannelData(0)
+      let sum = 0.0
+
+      this.lameEncoder.encode(sample)
 
       for (let i = 0; i < sample.length; ++i) {
         sum += sample[i] * sample[i]
@@ -95,7 +98,6 @@ export default class {
 
       this.duration = parseFloat(this._duration) + parseFloat(this.context.currentTime.toFixed(2))
       this.volume = Math.sqrt(sum / sample.length).toFixed(2)
-      this.samples.push(new Float32Array(sample))
     }
 
     this.input.connect(this.processor)
@@ -103,8 +105,6 @@ export default class {
   }
 
   _micError (error) {
-    if (this.micFailed) {
-      this.micFailed(error)
-    }
+    this.micFailed && this.micFailed(error)
   }
 }

src/lib/utils.js

@@ -1,6 +1,6 @@
 export function calculateLineHeadPosition (ev, element) {
-  let progressWidth = element.getBoundingClientRect().width
-  let leftPosition = ev.target.getBoundingClientRect().left
+  const progressWidth = element.getBoundingClientRect().width
+  const leftPosition = ev.target.getBoundingClientRect().left
   let pos = (ev.clientX - leftPosition) / progressWidth
 
   try {

src/lib/wav-encoder.js

@@ -1,59 +0,0 @@
-export default class {
-  constructor (options) {
-    this.bufferSize = options.bufferSize || 4096
-    this.sampleRate = options.sampleRate
-    this.samples    = options.samples
-  }
-
-  getData () {
-    this._joinSamples()
-
-    let buffer = new ArrayBuffer(44 + this.samples.length * 2)
-    let view   = new DataView(buffer)
-
-    this._writeString(view, 0, 'RIFF')                       // RIFF identifier
-    view.setUint32(4, 36 + this.samples.length * 2, true)    // RIFF chunk length
-    this._writeString(view, 8, 'WAVE')                       // RIFF type
-    this._writeString(view, 12, 'fmt ')                      // format chunk identifier
-    view.setUint32(16, 16, true)                             // format chunk length
-    view.setUint16(20, 1, true)                              // sample format (raw)
-    view.setUint16(22, 1, true)                              // channel count
-    view.setUint32(24, this.sampleRate, true)                // sample rate
-    view.setUint32(28, this.sampleRate * 4, true)            // byte rate (sample rate * block align)
-    view.setUint16(32, 4, true)                              // block align (channel count * bytes per sample)
-    view.setUint16(34, 16, true)                             // bits per sample
-    this._writeString(view, 36, 'data')                      // data chunk identifier
-    view.setUint32(40, this.samples.length * 2, true)        // data chunk length
-
-    this._floatTo16BitPCM(view, 44, this.samples)
-
-    return new Blob([view], {type: 'audio/wav'})
-  }
-
-  _floatTo16BitPCM (output, offset, input) {
-    for (let i = 0; i < input.length; i++, offset += 2) {
-      let s = Math.max(-1, Math.min(1, input[i]))
-      output.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, true)
-    }
-  }
-
-  _joinSamples () {
-    let recordLength  = this.samples.length * this.bufferSize
-    let joinedSamples = new Float64Array(recordLength)
-    let offset        = 0
-
-    for (let i = 0; i < this.samples.length; i++) {
-      let sample = this.samples[i]
-      joinedSamples.set(sample, offset)
-      offset += sample.length
-    }
-
-    this.samples = joinedSamples
-  }
-
-  _writeString (view, offset, string) {
-    for (let i = 0; i < string.length; i++) {
-      view.setUint8(offset + i, string.charCodeAt(i))
-    }
-  }
-}

src/mixins/uploader-props.js

@@ -0,0 +1,7 @@
+export default {
+  props: {
+    filename  : { type: String, default: 'record'   },
+    headers   : { type: Object, default: () => ({}) },
+    uploadUrl : { type: String                      }
+  }
+}

src/scss/icons.scss

@@ -7,6 +7,12 @@
   cursor: pointer;
   transition: .2s;
 
+  &--no-border {
+    border: 0;
+    border-radius: 0;
+    padding: 0;
+  }
+
   &--rec {
     fill: white;
     background-color: #FF6B64;
@@ -15,7 +21,6 @@
 
   &--pulse {
     animation: ripple .5s linear infinite;
-
     @keyframes ripple {
       0% {
         box-shadow:
@@ -32,14 +37,22 @@
     }
   }
 
+  &__xs {
+    width: 18px;
+    height: 18px;
+    line-height: 18px;
+  }
+
   &__sm {
     width: 30px;
     height: 30px;
+    line-height: 30px;
   }
 
   &__lg {
     width: 45px;
     height: 45px;
+    line-height: 45px;
     box-shadow: 0 2px 5px 1px rgba(158,158,158,0.5);
   }
 }

webpack.config.js

@@ -1,67 +1,70 @@
 const webpack = require('webpack')
 const merge = require('webpack-merge')
-const env = `./webpack.${process.env.NODE_ENV === 'production' ? 'prod' : 'dev'}.js`
 const path = require('path')
 
-module.exports = merge(require(env), {
-  module: {
-    rules: [
-      {
-        test: /\.scss$/,
-        use: [
-          'vue-style-loader',
-          'css-loader',
-          'sass-loader'
-        ],
-      },
-      {
-        test: /\.vue$/,
-        loader: 'vue-loader',
-        options: {
-          loaders: {
-            'scss': [
-              'vue-style-loader',
-              'css-loader',
-              'sass-loader'
-            ]
+module.exports = (env, args) => {
+  let conf = `./webpack.${env.NODE_ENV === 'production' ? 'prod' : 'dev'}.js`
+
+  return merge(require(conf), {
+    module: {
+      rules: [
+        {
+          test: /\.scss$/,
+          use: [
+            'vue-style-loader',
+            'css-loader',
+            'sass-loader'
+          ],
+        },
+        {
+          test: /\.vue$/,
+          loader: 'vue-loader',
+          options: {
+            loaders: {
+              'scss': [
+                'vue-style-loader',
+                'css-loader',
+                'sass-loader'
+              ]
+            }
+          }
+        },
+        {
+          test: /\.js$/,
+          loader: 'babel-loader',
+          exclude: /node_modules/
+        },
+        {
+          test: /\.(png|jpg|gif|svg)$/,
+          loader: 'file-loader',
+          options: {
+            name: '[name].[ext]?[hash]'
           }
         }
-      },
-      {
-        test: /\.js$/,
-        loader: 'babel-loader',
-        exclude: /node_modules/
-      },
-      {
-        test: /\.(png|jpg|gif|svg)$/,
-        loader: 'file-loader',
-        options: {
-          name: '[name].[ext]?[hash]'
-        }
-      }
-    ]
-  },
-  resolve: {
-    alias: {
-      'vue$': 'vue/dist/vue.esm.js',
-      '@': path.resolve(__dirname, 'src')
+      ]
     },
-    extensions: ['*', '.js', '.vue', '.json']
-  },
-  plugins: [
-    new webpack.DefinePlugin({
-      'process.env': {
-        NODE_ENV: `"${process.env.NODE_ENV}"`
+    resolve: {
+      alias: {
+        'vue$': 'vue/dist/vue.esm.js',
+        '@': path.resolve(__dirname, 'src')
       },
-      VERSION: JSON.stringify(require("./package.json").version)
-    }),
-  ],
-  devServer: {
-    historyApiFallback: true,
-    noInfo: true,
-    overlay: true
-  },
-  performance: {
-    hints: false
-  }
-})
+      extensions: ['*', '.js', '.vue', '.json']
+    },
+    plugins: [
+      new webpack.DefinePlugin({
+        'process.env': {
+          NODE_ENV: `"${process.env.NODE_ENV}"`
+        },
+        VERSION: JSON.stringify(require("./package.json").version)
+      }),
+    ],
+    devServer: {
+      historyApiFallback: true,
+      noInfo: true,
+      overlay: true
+    },
+    performance: {
+      hints: false
+    }
+  })
+}

webpack.dev.js

@@ -2,7 +2,6 @@ const path = require('path')
 const HtmlWebpackPlugin = require('html-webpack-plugin')
 
 module.exports = {
-  devtool: '#eval-source-map',
   entry: './demo/index.js',
   output: {
     path: path.resolve(__dirname, './demo')

webpack.prod.js

@@ -1,9 +1,12 @@
 const path = require('path')
 const webpack = require('webpack')
+const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
 
 module.exports = {
   devtool: '#source-map',
-  entry: './src/index.js',
+  entry: {
+    main: './src/index.js'
+  },
   output: {
     path: path.resolve(__dirname, 'dist'),
     filename: 'vue-audio-recorder.min.js',
@@ -12,18 +15,21 @@ module.exports = {
     libraryExport: 'default',
     umdNamedDefine: true
   },
+  optimization: {
+    minimizer: [
+      new UglifyJsPlugin({
+        cache: true,
+        parallel: true,
+        sourceMap: true
+      })
+    ]
+  },
   plugins: [
     new webpack.DefinePlugin({
       'process.env': {
         NODE_ENV: '"production"'
       }
     }),
-    new webpack.optimize.UglifyJsPlugin({
-      sourceMap: true,
-      compress: {
-        warnings: true
-      }
-    }),
     new webpack.LoaderOptionsPlugin({
       minimize: false
     })