UserScript to quickly search terms or open non href'd websites

GoogleSearchSelected.user.js

const log = (msg) =>
  console.log(
    `%c*SearchScript*: ${msg}`,
    "color:white;background-color:#20A6E8;padding:3px"
  );

const URIregx = /^((?:https?:\/\/)?(?:[\w-]+\.)+(\w+)\/?([\w-.?=&+%\@\:]+\/?)*)$/i,
  KEYCODE_FOR_NEWTAB = 79, // `o` key
  KEYCODE_FOR_SAMETAB = 78; // `n` key

function main(event) {
  if (
    document.activeElement.isContentEditable ||
    ["TEXTAREA", "INPUT"].includes(document.activeElement.nodeName)
  ) {
    log("Abort, selection detected within an editable input");
    return;
  }
  let seleccion = window.getSelection().toString().trim(),
    selecType,
    selecContent;

  if (seleccion) {
    let uriMatch = URIregx.exec(seleccion);
    if (uriMatch)
      [selecType, selecContent] = [
        "URI",
        uriMatch[0].startsWith("http") ? uriMatch[0] : "http://" + uriMatch[1],
      ];
    else [selecType, selecContent] = ["TEXT", encodeURIComponent(seleccion)];
  } else return;

  if (event.keyCode === KEYCODE_FOR_NEWTAB)
    selecType === "TEXT"
      ? window.open("https://www.google.es/search?q=" + selecContent)
      : window.open(selecContent);
  if (event.keyCode === KEYCODE_FOR_SAMETAB)
    selecType === "TEXT"
      ? (document.location = "https://www.google.es/search?q=" + selecContent)
      : (document.location = selecContent);
}

document.addEventListener("keydown", (event) => {
  if (event.keyCode === KEYCODE_FOR_NEWTAB || event.keyCode === KEYCODE_FOR_SAMETAB)
    main(event);
});