Broken snapcraft

snapcraft.yaml

name: google-play-music-desktop-player
version: '4.5.0'
summary: Standalone player for Google Play Music
description: |
  This Google Play Music player provides desktop integration - with music
  hotkeys and the sound indicator via an MPRIS interface, the abiliy to use
  custom colours and load custom themes, a remote-control interface, and
  lower resource consumption than a full-blown browser tab.
  .
  This is *not* an official Google project.
grade: stable
confinement: strict
icon: src/assets/icons/svg/vector_logo.svg

apps:
  google-play-music-desktop-player:
    command: desktop-launch "$SNAP/google-play-music-desktop-player/Google Play Music Desktop Player"
    desktop: google-play-music-desktop-player.desktop
    plugs:
      - pulseaudio
      - x11
      - opengl
      - browser-support
      - network
      - network-bind
      - process-control
      - unity7
      - gsettings
    slots:
      - mpris

parts:
  desktop-file:
    plugin: dump
    source: vendor/snap/

  google-play-music-desktop-player:
    plugin: nodejs
    node-engine: 8.11.1
    source: .
    source-type: git
    npm-run:
      - package:linux:64
        #    node-package-manager: yarn
    build-packages:
      - g++
      - libavahi-compat-libdnssd-dev
      - libdbus-1-dev
      - libx11-dev
      - libexpat1-dev
      - libnotify-dev
      - python3
      - python
    stage-packages:
      - libnss3
      - ca-certificates
      - libasound2-data
      - libasound2-plugins
      - libnotify4
      - libavahi-compat-libdnssd1
      - libxss1
      - libgconf2-4
      - libxtst6
    after:
      - desktop-gtk2
      - indicator-gtk2
    organize:
      '../build/dist/Google Play Music Desktop Player-linux-x64': google-play-music-desktop-player
      ../build/build/assets/img/main.png: main.png