Select a random task from the current window in OmniFocus

randomtask.omnifocusjs

/*{
  "type": "action",
  "targets": ["omnifocus"],
  "author": "Ethical Detergent",
  "identifier": "com.ethicaldetergent.of.randomyTaskFromCurrentWindow",
  "version": "1.0",
  "description": "Selects a random task from the current window in OmniFocus.",
  "label": "Random Task",
  "shortLabel": "Random Task",
  "paletteLabel": "Random Task",
  "image": ""
}*/
(() => {
  const action = new PlugIn.Action(function (selection, sender) {
    // From https://omni-automation.com/omnifocus/window.html
    var windowContent = document.windows[0].content
    var nodes = new Array()
    windowContent.rootNode.apply(item => {
      if (item.object instanceof Task) {
        nodes.push(item)
      }
    })
    if (nodes.length > 0) {
      windowContent.select(nodes)
    }
    numTasks = document.windows[0].selection.databaseObjects.length
    document.windows[0].selection.databaseObjects[Math.floor(Math.random() * numTasks)].url.open()
  })
  return action
})();