content: (*
  Copyright (c) 2015-present, Facebook, Inc.
  
  This source code is licensed under the MIT license found in the
  LICENSE file at
  https://github.com/facebookincubator/create-react-app/blob/master/LICENSE
  *)
  
  property targetTab: null
  property targetTabIndex: -1
  property targetWindow: null
  
  on run argv
    set theURL to item 1 of argv
  
    with timeout of 2 seconds
      tell application "Chrome"
  
        if (count every window) = 0 then
          make new window
        end if
  
        -- 1: Looking for tab running debugger
        -- then, Reload debugging tab if found
        -- then return
        set found to my lookupTabWithUrl(theURL)
        if found then
          set targetWindow's active tab index to targetTabIndex
          tell targetTab to reload
          tell targetWindow to activate
          set index of targetWindow to 1
          return
        end if
  
        -- 2: Looking for Empty tab
        -- In case debugging tab was not found
        -- We try to find an empty tab instead
        set found to my lookupTabWithUrl("chrome://newtab/")
        if found then
          set targetWindow's active tab index to targetTabIndex
          set URL of targetTab to theURL
          tell targetWindow to activate
          return
        end if
  
        -- 3: Create new tab
        -- both debugging and empty tab were not found
        -- make a new tab with url
        tell window 1
          activate
          make new tab with properties {URL:theURL}
        end tell
      end tell
    end timeout
  end run
  
  -- Function:
  -- Lookup tab with given url
  -- if found, store tab, index, and window in properties
  -- (properties were declared on top of file)
  on lookupTabWithUrl(lookupUrl)
    tell application "Chrome"
      -- Find a tab with the given url
      set found to false
      set theTabIndex to -1
      repeat with theWindow in every window
        set theTabIndex to 0
        repeat with theTab in every tab of theWindow
          set theTabIndex to theTabIndex + 1
          if (theTab's URL as string) contains lookupUrl then
            -- assign tab, tab index, and window to properties
            set targetTab to theTab
            set targetTabIndex to theTabIndex
            set targetWindow to theWindow
            set found to true
            exit repeat
          end if
        end repeat
  
        if found then
          exit repeat
        end if
      end repeat
    end tell
    return found
  end lookupTabWithUrl
  