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✏️ Editing: jquery.pretty-text-diff.js

// Generated by CoffeeScript 1.4.0

/*
@preserve jQuery.PrettyTextDiff 1.0.2
See https://github.com/arnab/jQuery.PrettyTextDiff/

Modified to show with and without HTML: Mark Dexter, Joomla Project.
*/

(function() {
  var $;

$ = jQuery;

$.fn.extend({
    prettyTextDiff: function(options) {
      var dmp, settings;
      settings = {
        originalContainer: ".original",
        changedContainer: ".changed",
        diffContainer: ".diff",
        originalHtmlContainer: ".originalhtml",
        changedHtmlContainer: ".changedhtml",
        diffHtmlContainer: ".diffhtml",
        cleanup: true,
        debug: false
      };
      settings = $.extend(settings, options);
      $.fn.prettyTextDiff.debug("Options: ", settings, settings);
      dmp = new diff_match_patch();
      return this.each(function() {
        var changed, diff_as_html, diffs, original, changedhtml, originalhtml, diffshtml;
        original = $(settings.originalContainer, this).text();
        $.fn.prettyTextDiff.debug("Original text found: ", original, settings);
        changed = $(settings.changedContainer, this).text();
        $.fn.prettyTextDiff.debug("Changed  text found: ", changed, settings);
        originalhtml = $(settings.originalHtmlContainer, this).text();
        $.fn.prettyTextDiff.debug("Original text found: ", original, settings);
        changedhtml = $(settings.changedHtmlContainer, this).text();
        $.fn.prettyTextDiff.debug("Changed  text found: ", changed, settings);
        diffs = dmp.diff_main(original, changed);
        diffshtml = dmp.diff_main(originalhtml, changedhtml);
        if (settings.cleanup) {
          dmp.diff_cleanupSemantic(diffs);
          dmp.diff_cleanupSemantic(diffshtml);
        }
        $.fn.prettyTextDiff.debug("Diffs: ", diffs, settings);
        diff_as_html = diffs.map(function(diff) {
          return $.fn.prettyTextDiff.createHTML(diff);
        });
        diffhtml_as_html = diffshtml.map(function(diff) {
            return $.fn.prettyTextDiff.createHTML(diff);
        });
        $(settings.diffContainer, this).html(diff_as_html.join(''));
        $(settings.diffHtmlContainer, this).html(diffhtml_as_html.join(''));
        return this;
      });
    }
  });

$.fn.prettyTextDiff.debug = function(message, object, settings) {
    if (settings.debug) {
      return console.log(message, object);
    }
  };

$.fn.prettyTextDiff.createHTML = function(diff) {
    var data, html, operation, pattern_amp, pattern_gt, pattern_lt, pattern_para, text;
    html = [];
    pattern_amp = /&/g;
    pattern_lt = /</g;
    pattern_gt = />/g;
    pattern_para = /\n/g;
    operation = diff[0], data = diff[1];
    text = data.replace(pattern_amp, '&amp;').replace(pattern_lt, '&lt;').replace(pattern_gt, '&gt;').replace(pattern_para, '<br>');
    switch (operation) {
      case DIFF_INSERT:
        return '<ins>' + text + '</ins>';
      case DIFF_DELETE:
        return '<del>' + text + '</del>';
      case DIFF_EQUAL:
        return '<span>' + text + '</span>';
    }
  };

}).call(this);

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