iTop/node_modules/tom-select/dist/js/plugins/remove_button.js

/**
* Tom Select v2.3.1
* Licensed under the Apache License, Version 2.0 (the "License");
*/

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.remove_button = factory());
})(this, (function () { 'use strict';

  /*! @orchidjs/unicode-variants | https://github.com/orchidjs/unicode-variants | Apache License (v2) */
  const accent_pat = '[\u0300-\u036F\u{b7}\u{2be}\u{2bc}]';
  /** @type {TUnicodeMap} */

  const latin_convert = {};
  /** @type {TUnicodeMap} */

  const latin_condensed = {
    '/': '⁄∕',
    '0': '߀',
    "a": "ⱥɐɑ",
    "aa": "ꜳ",
    "ae": "æǽǣ",
    "ao": "ꜵ",
    "au": "ꜷ",
    "av": "ꜹꜻ",
    "ay": "ꜽ",
    "b": "ƀɓƃ",
    "c": "ꜿƈȼↄ",
    "d": "đɗɖᴅƌꮷԁɦ",
    "e": "ɛǝᴇɇ",
    "f": "ꝼƒ",
    "g": "ǥɠꞡᵹꝿɢ",
    "h": "ħⱨⱶɥ",
    "i": "ɨı",
    "j": "ɉȷ",
    "k": "ƙⱪꝁꝃꝅꞣ",
    "l": "łƚɫⱡꝉꝇꞁɭ",
    "m": "ɱɯϻ",
    "n": "ꞥƞɲꞑᴎлԉ",
    "o": "øǿɔɵꝋꝍᴑ",
    "oe": "œ",
    "oi": "ƣ",
    "oo": "ꝏ",
    "ou": "ȣ",
    "p": "ƥᵽꝑꝓꝕρ",
    "q": "ꝗꝙɋ",
    "r": "ɍɽꝛꞧꞃ",
    "s": "ßȿꞩꞅʂ",
    "t": "ŧƭʈⱦꞇ",
    "th": "þ",
    "tz": "ꜩ",
    "u": "ʉ",
    "v": "ʋꝟʌ",
    "vy": "ꝡ",
    "w": "ⱳ",
    "y": "ƴɏỿ",
    "z": "ƶȥɀⱬꝣ",
    "hv": "ƕ"
  };

  for (let latin in latin_condensed) {
    let unicode = latin_condensed[latin] || '';

    for (let i = 0; i < unicode.length; i++) {
      let char = unicode.substring(i, i + 1);
      latin_convert[char] = latin;
    }
  }

  new RegExp(Object.keys(latin_convert).join('|') + '|' + accent_pat, 'gu');

  /**
   * Return a dom element from either a dom query string, jQuery object, a dom element or html string
   * https://stackoverflow.com/questions/494143/creating-a-new-dom-element-from-an-html-string-using-built-in-dom-methods-or-pro/35385518#35385518
   *
   * param query should be {}
   */
  const getDom = query => {
    if (query.jquery) {
      return query[0];
    }
    if (query instanceof HTMLElement) {
      return query;
    }
    if (isHtmlString(query)) {
      var tpl = document.createElement('template');
      tpl.innerHTML = query.trim(); // Never return a text node of whitespace as the result
      return tpl.content.firstChild;
    }
    return document.querySelector(query);
  };
  const isHtmlString = arg => {
    if (typeof arg === 'string' && arg.indexOf('<') > -1) {
      return true;
    }
    return false;
  };

  /**
   * Converts a scalar to its best string representation
   * for hash keys and HTML attribute values.
   *
   * Transformations:
   *   'str'     -> 'str'
   *   null      -> ''
   *   undefined -> ''
   *   true      -> '1'
   *   false     -> '0'
   *   0         -> '0'
   *   1         -> '1'
   *
   */

  /**
   * Escapes a string for use within HTML.
   *
   */
  const escape_html = str => {
    return (str + '').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
  };

  /**
   * Prevent default
   *
   */
  const preventDefault = (evt, stop = false) => {
    if (evt) {
      evt.preventDefault();
      if (stop) {
        evt.stopPropagation();
      }
    }
  };

  /**
   * Add event helper
   *
   */
  const addEvent = (target, type, callback, options) => {
    target.addEventListener(type, callback, options);
  };

  /**
   * Plugin: "remove_button" (Tom Select)
   * Copyright (c) contributors
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
   * file except in compliance with the License. You may obtain a copy of the License at:
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under
   * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
   * ANY KIND, either express or implied. See the License for the specific language
   * governing permissions and limitations under the License.
   *
   */

  function plugin (userOptions) {
    const options = Object.assign({
      label: '&times;',
      title: 'Remove',
      className: 'remove',
      append: true
    }, userOptions);

    //options.className = 'remove-single';
    var self = this;

    // override the render method to add remove button to each item
    if (!options.append) {
      return;
    }
    var html = '<a href="javascript:void(0)" class="' + options.className + '" tabindex="-1" title="' + escape_html(options.title) + '">' + options.label + '</a>';
    self.hook('after', 'setupTemplates', () => {
      var orig_render_item = self.settings.render.item;
      self.settings.render.item = (data, escape) => {
        var item = getDom(orig_render_item.call(self, data, escape));
        var close_button = getDom(html);
        item.appendChild(close_button);
        addEvent(close_button, 'mousedown', evt => {
          preventDefault(evt, true);
        });
        addEvent(close_button, 'click', evt => {
          if (self.isLocked) return;

          // propagating will trigger the dropdown to show for single mode
          preventDefault(evt, true);
          if (self.isLocked) return;
          if (!self.shouldDelete([item], evt)) return;
          self.removeItem(item);
          self.refreshOptions(false);
          self.inputState();
        });
        return item;
      };
    });
  }

  return plugin;

}));
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