Examine source code of Pinned Tab Keyboard Shortcuts

{
  "manifest_version": 2,
  "name": "Pinned Tab Keyboard Shortcuts",
  "version": "1.0.0",
  "description": "Navigate your pinned and unpinned tabs with Alt+N and Ctrl/Cmd+N, respectively",
  "icons": {
    "32": "icons/icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "firefox-extension-pinned-tab-keyboard-shortcuts@bdn.sh",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "p1": {
      "suggested_key": {
        "default": "Alt+1"
      },
      "description": "Navigate to first pinned tab"
    },
    "p2": {
      "suggested_key": {
        "default": "Alt+2"
      },
      "description": "Navigate to second pinned tab"
    },
    "p3": {
      "suggested_key": {
        "default": "Alt+3"
      },
      "description": "Navigate to third pinned tab"
    },
    "p4": {
      "suggested_key": {
        "default": "Alt+4"
      },
      "description": "Navigate to fourth pinned tab"
    },
    "p5": {
      "suggested_key": {
        "default": "Alt+5"
      },
      "description": "Navigate to fifth pinned tab"
    },
    "p6": {
      "suggested_key": {
        "default": "Alt+6"
      },
      "description": "Navigate to sixth pinned tab"
    },
    "p7": {
      "suggested_key": {
        "default": "Alt+7"
      },
      "description": "Navigate to seventh pinned tab"
    },
    "p8": {
      "suggested_key": {
        "default": "Alt+8"
      },
      "description": "Navigate to eighth pinned tab"
    },
    "p9": {
      "suggested_key": {
        "default": "Alt+9"
      },
      "description": "Navigate to last pinned tab"
    },
    "u1": {
      "suggested_key": {
        "default": "Ctrl+1"
      },
      "description": "Navigate to first unpinned tab"
    },
    "u2": {
      "suggested_key": {
        "default": "Ctrl+2"
      },
      "description": "Navigate to second unpinned tab"
    },
    "u3": {
      "suggested_key": {
        "default": "Ctrl+3"
      },
      "description": "Navigate to third unpinned tab"
    },
    "u4": {
      "suggested_key": {
        "default": "Ctrl+4"
      },
      "description": "Navigate to fourth unpinned tab"
    },
    "u5": {
      "suggested_key": {
        "default": "Ctrl+5"
      },
      "description": "Navigate to fifth unpinned tab"
    },
    "u6": {
      "suggested_key": {
        "default": "Ctrl+6"
      },
      "description": "Navigate to sixth unpinned tab"
    },
    "u7": {
      "suggested_key": {
        "default": "Ctrl+7"
      },
      "description": "Navigate to seventh unpinned tab"
    },
    "u8": {
      "suggested_key": {
        "default": "Ctrl+8"
      },
      "description": "Navigate to eighth unpinned tab"
    },
    "u9": {
      "suggested_key": {
        "default": "Ctrl+9"
      },
      "description": "Navigate to eighth unpinned tab"
    }
  }
}