/*
 * ISC License
 *
 * Copyright (c) 2024 idnovate.com
 * idnovate is a Registered Trademark & Property of idnovate.com, innovación y desarrollo SCP
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 *
 * @author    idnovate
 * @copyright 2024 idnovate
 * @license   https://www.isc.org/licenses/ https://opensource.org/licenses/ISC ISC License
 */

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define(["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  CodeMirror.defineOption("showTrailingSpace", false, function(cm, val, prev) {
    if (prev == CodeMirror.Init) prev = false;
    if (prev && !val)
      cm.removeOverlay("trailingspace");
    else if (!prev && val)
      cm.addOverlay({
        token: function(stream) {
          for (var l = stream.string.length, i = l; i && /\s/.test(stream.string.charAt(i - 1)); --i) {}
          if (i > stream.pos) { stream.pos = i; return null; }
          stream.pos = l;
          return "trailingspace";
        },
        name: "trailingspace"
      });
  });
});