script-injectior

inject script into a page , without duplicates

Mechanics

• background.js
  • Listen: [inject] message
    • send [wannascript] message to an active tab
      • silence means consent
      • answer means no, if:
        • answer[page_url] = active tab url
• content.js
  • Listen: [wannascript] message
    • answer, if you can, with props: (page_url)
• event initiator(popup.js by default)
  • emmit: [inject] message