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Current File : /home/forge/spin-robotics.com/public/assets/summernote/summernote-cleaner.js
/* https://github.com/DiemenDesign/summernote-cleaner */
/* Version: 1.1.0 */
(function (factory) {
  if (typeof define === 'function' && define.amd) {
    define(['jquery'], factory);
  } else if (typeof module === 'object' && module.exports) {
    module.exports = factory(require('jquery'));
  } else {
    factory(window.jQuery);
  }
}
  (function ($) {
    $.extend(true, $.summernote.lang, {
      'en-US': {
        cleaner: {
          tooltip: 'Cleaner',
          not: 'Text has been cleaned!',
          limitText: 'Text',
          limitHTML: 'HTML'
        }
      },
      'de-DE': {
        cleaner: {
          tooltip: 'Bereinigen',
          not: 'Inhalt wurde bereinigt!',
          limitText: 'Text',
          limitHTML: 'HTML'
        }
      },
    });
    $.extend($.summernote.options, {
      cleaner: {
        action: 'both', // both|button|paste 'button' only cleans via toolbar button, 'paste' only clean when pasting content, both does both options.
        icon: '<i class="note-icon"><svg xmlns="http://www.w3.org/2000/svg" id="libre-paintbrush" viewBox="0 0 14 14" width="14" height="14"><path d="m 11.821425,1 q 0.46875,0 0.82031,0.311384 0.35157,0.311384 0.35157,0.780134 0,0.421875 -0.30134,1.01116 -2.22322,4.212054 -3.11384,5.035715 -0.64956,0.609375 -1.45982,0.609375 -0.84375,0 -1.44978,-0.61942 -0.60603,-0.61942 -0.60603,-1.469866 0,-0.857143 0.61608,-1.419643 l 4.27232,-3.877232 Q 11.345985,1 11.821425,1 z m -6.08705,6.924107 q 0.26116,0.508928 0.71317,0.870536 0.45201,0.361607 1.00781,0.508928 l 0.007,0.475447 q 0.0268,1.426339 -0.86719,2.32366 Q 5.700895,13 4.261155,13 q -0.82366,0 -1.45982,-0.311384 -0.63616,-0.311384 -1.0212,-0.853795 -0.38505,-0.54241 -0.57924,-1.225446 -0.1942,-0.683036 -0.1942,-1.473214 0.0469,0.03348 0.27455,0.200893 0.22768,0.16741 0.41518,0.29799 0.1875,0.130581 0.39509,0.24442 0.20759,0.113839 0.30804,0.113839 0.27455,0 0.3683,-0.247767 0.16741,-0.441965 0.38505,-0.753349 0.21763,-0.311383 0.4654,-0.508928 0.24776,-0.197545 0.58928,-0.31808 0.34152,-0.120536 0.68974,-0.170759 0.34821,-0.05022 0.83705,-0.07031 z"/></svg></i>',
        keepHtml: true,
        keepTagContents: ['span'], //Remove tags and keep the contents
        badTags: ['applet', 'col', 'colgroup', 'embed', 'noframes', 'noscript', 'script', 'style', 'title', 'meta', 'link', 'head'], //Remove full tags with contents
        badAttributes: ['bgcolor', 'border', 'height', 'cellpadding', 'cellspacing', 'lang', 'start', 'style', 'valign', 'width', 'data-(.*?)'], //Remove attributes from remaining tags, NB. 'data-(.*?)' would fail when cleaning with jQuery
        limitChars: 0, // 0|# 0 disables option
        limitDisplay: 'both', // none|text|html|both
        limitStop: false, // true/false
        limitType: 'text', // text|html
        notTimeOut: 850, //time before status message is hidden in miliseconds
        keepImages: true,
        imagePlaceholder: 'https://via.placeholder.com/200'
      }
    });
    $.extend($.summernote.plugins, {
      'cleaner': function (context) {
        var ui = $.summernote.ui,
          $note = context.layoutInfo.note,
          $editor = context.layoutInfo.editor,
          options = context.options,
          lang = options.langInfo;
        
        if (! options.cleaner.hasOwnProperty('limitType')) {
          options.cleaner.limitType = 'text';
        }
        
        if (options.cleaner.action === 'both' || options.cleaner.action === 'button') {
          context.memo('button.cleaner', function () {
            var button = ui.button({
              contents: options.cleaner.icon,
              container: options.container,
              tooltip: lang.cleaner.tooltip,
              placement: options.placement,
              click: function () {
                if ($note.summernote('createRange').toString()) {
                  $note.summernote('pasteHTML', $note.summernote('createRange').toString());
                } else {
                  $note.summernote('code', cleanPaste($note.summernote('code'), options.cleaner.badTags, options.cleaner.keepTagContents, options.cleaner.badAttributes, options.cleaner.keepImages, options.cleaner.imagePlaceholder, true));
                }
                showCleanedAlert();
              }
            });
            return button.render();
          });
        }
        this.events = {
          'summernote.init': function () {
            updateCleanerStatus();
          },
          'summernote.keydown': function (we, event) {
            if (options.cleaner.limitChars !== 0 && options.cleaner.limitStop === true) {
              var testLength = (options.cleaner.limitType === 'html') ? $editor.find('.note-editable').html().length : $editor.find(".note-editable").text().replace(/(<([^>]+)>)/ig, "").replace(/( )/, " ").length;
              if (testLength >= options.cleaner.limitChars) {
                var key = event.keyCode;
                allowed_keys = [8, 37, 38, 39, 40, 46];
                if ($.inArray(key, allowed_keys) !== -1) {
                  return true;
                } else {
                  event.preventDefault();
                  event.stopPropagation();
                }
              }
            }
          },
          'summernote.keyup': function (we, event) {
            updateCleanerStatus();
          },
          'summernote.paste': function (we, event) {
            if (options.cleaner.action === 'both' || options.cleaner.action === 'paste') {
              event.preventDefault();

              // delete selected text when pasting and paste it where the deleted text was
              if (document.getSelection().toString().length > 0) {
                rng = $.summernote.range;
                r = rng.createFromSelection();
                r = r.deleteContents();
                $note.summernote('editor.setLastRange', r.select());
              }

              var ua = window.navigator.userAgent;
              var msie = ua.indexOf("MSIE ");
              msie = msie > 0 || !!navigator.userAgent.match(/Trident.*rv:11\./);
              var ffox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1;
              var text; var isHtmlData = false;
              if (msie)
                text = window.clipboardData.getData("Text");
              else {
                var dataType = 'text/plain';
                // only get the html data if its available else use plain text
                if (options.cleaner.keepHtml && event.originalEvent.clipboardData.types.indexOf('text/html') > -1) {
                  dataType = 'text/html';
                  isHtmlData = true;
                }
                text = event.originalEvent.clipboardData.getData(dataType);
              }
              if (text) {
                // clean the text first to prevent issues where code view wasn't updating correctly
                var cleanedContent = cleanPaste(text, options.cleaner.badTags, options.cleaner.keepTagContents, options.cleaner.badAttributes, options.cleaner.keepImages, options.cleaner.imagePlaceholder, isHtmlData);
                if (msie || ffox) {
                  setTimeout(function () {
                    $note.summernote('pasteHTML', cleanedContent);
                  }, 1);
                } else {
                  $note.summernote('pasteHTML', cleanedContent);
                }

                showCleanedAlert();
              }
            } else {
              updateCleanerStatus();
            }
          }
        }
        
        var updateCleanerStatus = function() {
          if (options.cleaner.limitChars !== 0 || options.cleaner.limitDisplay !== 'none') {
            var $cleanerStatus = $editor.find('.cleanerLimit');
            if ($cleanerStatus.length === 0) {
              $editor.find('.note-status-output').html('<small class="cleanerLimit pull-right">&nbsp;</small>');
              $cleanerStatus = $editor.find('.cleanerLimit');
            }
            
            var textLength = $editor.find(".note-editable").text().replace(/(<([^>]+)>)/ig, "").replace(/( )/, " ").length;
            var codeLength = $editor.find('.note-editable').html().length;
            var testLength = (options.cleaner.limitType === 'html') ? codeLength : textLength;
            var lengthStatus = '';
            
            if (testLength > options.cleaner.limitChars && options.cleaner.limitChars > 0) {
              $cleanerStatus.addClass('text-danger');
            } else {
              $cleanerStatus.removeClass('text-danger');
            }
            
            if (options.cleaner.limitDisplay === 'text' || options.cleaner.limitDisplay === 'both') {
              lengthStatus += lang.cleaner.limitText + ': ' + textLength;
              if (options.cleaner.limitType === 'text') {
                lengthStatus += ' / ' + options.cleaner.limitChars;
              }
            }
            if (options.cleaner.limitDisplay === 'both') {
              lengthStatus += ' | ';
            }
            if (options.cleaner.limitDisplay === 'html' || options.cleaner.limitDisplay === 'both') {
              lengthStatus += lang.cleaner.limitHTML + ': ' + codeLength;
              if (options.cleaner.limitType === 'html') {
                lengthStatus += ' / ' + options.cleaner.limitChars;
              }
            }
            
            lengthStatus += '&nbsp;';
            
            $cleanerStatus.html(lengthStatus);
          }
        }
        
        var showCleanedAlert = function() {
          
          if ($editor.find('.note-status-output').length > 0) {
            $editor.find('.note-status-output').html(lang.cleaner.not);
            // now set a timeout to clear out the message
            setTimeout(function () {
              if ($editor.find('.note-status-output').html() === lang.cleaner.not) {
                // lets fade out the text, then clear it and show the control ready for next time
                $editor.find('.note-status-output').fadeOut(function () {
                  $(this).html("");
                  $(this).fadeIn();
                  updateCleanerStatus();
                });
              }
            }, options.cleaner.notTimeOut)
          }
          
        }
        
        var cleanPaste = function (input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder, isHtmlData) {
          if (isHtmlData) {
            return cleanHtmlPaste(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder);
          } else {
            return cleanTextPaste(input);
          }
        };
        
        var cleanTextPaste = function (input) {
          var newLines = /(\r\n|\r|\n)/g;
          // lets only replace < and > as these are the culprit for HTML tag recognition
          let inputEscapedHtml = input.replace('<', '&#60').replace('>', '&#62');
          var parsedInput = inputEscapedHtml.split(newLines);
          if (parsedInput.length === 1) { return inputEscapedHtml; }
          var output = "";
          // for larger blocks of text (such as multiple paragraphs) match summernote markup
          for (let contentIndex = 0; contentIndex < parsedInput.length; contentIndex++) {
            const element = parsedInput[contentIndex];
            if (!newLines.test(element)) {
              var line = element === '' ? '<br>' : element;
              output += '<p>' + line + '</p>'
            }
          }
          return output;
        }

        var cleanHtmlPaste = function (input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder) {
          if (typeof (window.jQuery) === 'function') {
            return cleanHtmlPasteWithjQuery(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder)
          } else {
            return cleanHtmlPasteWithRegExp(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder)
          }
        }

        var cleanHtmlPasteWithRegExp = function (input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder) {
          let i;
          var stringStripper = /( class=(")?Mso[a-zA-Z]+(")?)/gmi;
          // remove MS office class crud
          var output = input.replace(stringStripper, '');
          var commentStripper = new RegExp('<!--(.*?)-->', 'gmi');
          output = output.replace(commentStripper, '');
          // remove MS office comment if else crud
          var commentIfStripper = new RegExp('<![^>\v]*>', 'gmi');
          output = output.replace(commentIfStripper, '');
          var tagStripper = new RegExp('<(/)*(\\?xml:|st1:|o:|v:)[^>\v]*>', 'gmi');
          if (!keepImages) {
            output = output.replace(/ src="(.*?)"/gmi, ' src="' + imagePlaceholder + '"');
          }
          output = output.replace(/ name="(.*?)"/gmi, ' data-title="$1" alt="$1"');
          // remove MS office tag crud
          output = output.replace(tagStripper, '');
          for (i = 0; i < badTags.length; i++) {
            const badTag = badTags[i];
            // remove the tag and its contents
            tagStripper = new RegExp('<' + badTag + '(.|\r|\n)*</' + badTag + '[^>\v]*>', 'gmi');
            output = output.replace(tagStripper, '');
            // remove tags with no ending tag or rogue ending tags
            var singletonTagStripper = new RegExp('</?' + badTag + '[^>\v]*>', 'gmi');
            output = output.replace(singletonTagStripper, '');
          }
          for (i = 0; i < keepTagContents.length; i++) {
            // remove tags only
            tagStripper = new RegExp('</?' + keepTagContents[i] + '[^>\v]*>', 'gmi');
            output = output.replace(tagStripper, ' ');
          }
          for (i = 0; i < badAttributes.length; i++) {
            const badAttribute = badAttributes[i];
            // for attribute matching ensure we match a new line or some kind of space to prevents partial matching for attributes (e.g. color would modify bgcolor tag to be just bg)
            var attributeWithSpeechMarksStripper = new RegExp('(\s|\r\n|\r|\n| )' + badAttribute + '="[^"\v]*"', 'gmi');
            output = output.replace(attributeWithSpeechMarksStripper, '');
            var attributeWithApostropheStripper = new RegExp('(\s|\r\n|\r|\n| )' + badAttribute + "='[^'\v]*'", 'gmi');
            output = output.replace(attributeWithApostropheStripper, '');
          }
          output = output.replace(/ align="(.*?)"/gi, ' class="text-$1"');
          output = output.replace(/ class="western"/gi, '');
          output = output.replace(/ class=""/gi, '');
          output = output.replace(/<b>(.*?)<\/b>/gi, '<strong>$1</strong>');
          output = output.replace(/<i>(.*?)<\/i>/gi, '<em>$1</em>');
          output = output.replace(/\s{2,}/g, ' ').trim();
          return output;
        }

        // Doing similar thing as RegExp one but keeping the classes and <b> <i> as is
        var cleanHtmlPasteWithjQuery = function (input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder) {
          let i;
          var newLines = /(\r\n|\r|\n)/g;
          input = input.replace(newLines, ' ');

          sanidom = $('<div></div>').html(input)

          if (!keepImages) {
            sanidom.find("img").attr('src', imagePlaceholder)
          }
          // regEx version includes this conversion: output = output.replace(/ name="(.*?)"/gmi, ' data-title="$1" alt="$1"');
          sanidom.find('[name]').each(function(i, e) {
            var $e = $(e);
            var attV = $e.attr('name');
            $e.attr({'data-title': attV, alt: attV});
          });

          for (i = 0; i < badTags.length; i++) {
            sanidom.find(badTags[i]).remove()
          }

          sanidom.find(':empty').remove();

          for (i = 0; i < keepTagContents.length; i++) {
            sanidom.find(keepTagContents[i]).replaceWith(function() {
              return cleanReplacement(keepTagContents[i], $(this).html());
            });
          }

          for (i = 0; i < badAttributes.length; i++) {
            sanidom.find("[" + badAttributes[i] + "]").removeAttr(badAttributes[i])
          }

          sanidom.find('[align]').each(function () {
            me = $(this)
            me.addClass("text-" + me.attr('align'))
          });
          
          // output = output.replace(/<b>(.*?)<\/b>/gi, '<strong>$1</strong>');
          sanidom.find('b').replaceWith(function() {
            return $('<strong>').append($(this).html());
          });
          
          // output = output.replace(/<i>(.*?)<\/i>/gi, '<em>$1</em>');
          sanidom.find('i').replaceWith(function() {
            return $('<em>').append($(this).html());
          });
          
          sanidom.contents().filter(function () {
            return ((this.nodeType === Node.TEXT_NODE && !/\S/.test(this.nodeValue)) || this.nodeType === Node.COMMENT_NODE)
          }).remove()
          
          return sanidom.html().replace(newLines, '');
        }
        
        var cleanReplacement = function(targetTag, replacement) {
          var $test = $('<div />').append(replacement);
          if ($test.find(targetTag).length > 0) {
            $test.find(targetTag).replaceWith(function() {
              return cleanReplacement(targetTag, $(this).html())
            });
            return $test.html();
          }
          return replacement;
        }
        
      }
    });
  }));
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