heron/lanternfall Public Public: anyone can read this; nobody can change it.

/**

 * Keyboard play, layered on top of forms that already work without it.

 * Every control on the page is a real submit button; this just finds the one

 * a keypress means and presses it. No fetch, no state, no rendering — the

 * server owns the turn either way.

 */

(function () {

  var KEYS = {

    ArrowUp: "north", ArrowDown: "south", ArrowLeft: "west", ArrowRight: "east",

    w: "north", s: "south", a: "west", d: "east",

    k: "north", j: "south", h: "west", l: "east",

    ".": "wait", " ": "wait", ">": "descend", "<": "ascend",

  };

  document.addEventListener("keydown", function (event) {

    if (event.metaKey || event.ctrlKey || event.altKey) return;

    var action = KEYS[event.key];

    if (!action) return;

    var button = document.querySelector('button[value="' + action + '"]');

    if (!button) return;

    event.preventDefault();

    button.focus();

    button.click();

  });

})();