https://ashmolean.org/sites/all/libraries/jquery.truncate/jquery.truncate.js?tle9wb

1(function($) {
2
3  // Matches trailing non-space characters.
4  var chop = /(\s*\S+|\s)$/;
5
6  // Matches the first word in the string.
7  var start = /^(\S*)/;
8
9  // Return a truncated html string.  Delegates to $.fn.truncate.
10  $.truncate = function(html, options) {
11    return $('<div></div>').append(html).truncate(options).html();
12  };
13
14  // Truncate the contents of an element in place.
15  $.fn.truncate = function(options) {
16    if ($.isNumeric(options)) options = {length: options};
17    var o = $.extend({}, $.truncate.defaults, options);
18
19    return this.each(function() {
20      var self = $(this);
21
22      if (o.noBreaks) self.find('br').replaceWith(' ');
23
24      var text = self.text();
25      var excess = text.length - o.length;
26
27      if (o.stripTags) self.text(text);
28
29      // Chop off any partial words if appropriate.
30      if (o.words && excess > 0) {
31        var truncated = text.slice(0, o.length).replace(chop, '').length;
32
33        if (o.keepFirstWord && truncated === 0) {
34          excess = text.length - start.exec(text)[0].length - 1;
35        } else {
36          excess = text.length - truncated - 1;
37        }
38      }
39
40      if (excess < 0 || !excess && !o.truncated) return;
41
42      // Iterate over each child node in reverse, removing excess text.
43      $.each(self.contents().get().reverse(), function(i, el) {
44        var $el = $(el);
45        var text = $el.text();
46        var length = text.length;
47
48        // If the text is longer than the excess, remove the node and continue.
49        if (length <= excess) {
50          o.truncated = true;
51          excess -= length;
52          $el.remove();
53          return;
54        }
55
56        // Remove the excess text and append the ellipsis.
57        if (el.nodeType === 3) {
58          // should we finish the block anyway?
59          if (o.finishBlock) {
60            $(el.splitText(length)).replaceWith(o.ellipsis);
61          } else {
62            $(el.splitText(length - excess - 1)).replaceWith(o.ellipsis);
63          }
64          return false;
65        }
66
67        // Recursively truncate child nodes.
68        $el.truncate($.extend(o, {length: length - excess}));
69        return false;
70      });
71    });
72  };
73
74  $.truncate.defaults = {
75
76    // Strip all html elements, leaving only plain text.
77    stripTags: false,
78
79    // Only truncate at word boundaries.
80    words: false,
81
82    // When 'words' is active, keeps the first word in the string
83    // even if it's longer than a target length.
84    keepFirstWord: false,
85
86    // Replace instances of <br> with a single space.
87    noBreaks: false,
88
89    // if true always truncate the content at the end of the block.
90    finishBlock: false,
91
92    // The maximum length of the truncated html.
93    length: Infinity,
94
95    // The character to use as the ellipsis.  The word joiner (U+2060) can be
96    // used to prevent a hanging ellipsis, but displays incorrectly in Chrome
97    // on Windows 7.
98    // http://code.google.com/p/chromium/issues/detail?id=68323
99    ellipsis: '\u2026' // '\u2060\u2026'
100
101  };
102
103})(jQuery);