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MDL-57972 javascript: Change truncate.js behaviour

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Updated truncate.js to behave closer to the moodle implementation of
shorten_text.

Part of MDL-55611
This commit is contained in:
Ryan Wyllie 2017-02-20 07:47:40 +00:00
parent d74d91f49a
commit 7172b33e24
2 changed files with 94 additions and 8 deletions
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2
lib/amd/build/truncate.min.js vendored
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@ -1 +1 @@
define(["jquery"],function(a){var b=/(\s*\S+|\s)$/,c=/^(\S*)/;return a.truncate=function(b,c){return a("<div></div>").append(b).truncate(c).html()},a.fn.truncate=function(d){a.isNumeric(d)&&(d={length:d});var e=a.extend({},a.truncate.defaults,d);return this.each(function(){var d=a(this);e.noBreaks&&d.find("br").replaceWith(" ");var f=d.text(),g=f.length-e.length;if(e.stripTags&&d.text(f),e.words&&g>0){var h=f.slice(0,e.length).replace(b,"").length;g=e.keepFirstWord&&0===h?f.length-c.exec(f)[0].length-1:f.length-h-1}g<0||!g&&!e.truncated||a.each(d.contents().get().reverse(),function(b,c){var d=a(c),f=d.text(),h=f.length;return h<=g?(e.truncated=!0,g-=h,void d.remove()):3===c.nodeType?(a(c.splitText(h-g-1)).replaceWith(e.ellipsis),!1):(d.truncate(a.extend(e,{length:h-g})),!1)})})},a.truncate.defaults={stripTags:!1,words:!1,keepFirstWord:!1,noBreaks:!1,length:1/0,ellipsis:"…"},{truncate:a.truncate}});
define(["jquery"],function(a){var b=/(\s*\S+|\s)$/,c=/^(\S*)/,d=/\s/,e=function(a,b){if(null==this)throw TypeError();var c=String(a),d=c.length,e=b?Number(b):0;if(e!=e&&(e=0),e<=-1||e>=d)return"";e=0|e;var f,g=c.charCodeAt(e),h=e+1,i=1;return g>=55296&&g<=56319&&d>h&&(f=c.charCodeAt(h),f>=56320&&f<=57343&&(i=2)),i},f=function(a){for(var b=0,c=0;c<a.length;c+=e(a,c))b++;return b},g=function(a,b){if(!a.length)return 0;var c=0,d=0;do c+=e(a,c),d++;while(c<a.length&&d<b);return c};return a.truncate=function(b,c){return a("<div></div>").append(b).truncate(c).html()},a.fn.truncate=function(e){a.isNumeric(e)&&(e={length:e});var h=a.extend({},a.truncate.defaults,e);return this.each(function(){var e=a(this);h.noBreaks&&e.find("br").replaceWith(" ");var i=h.ellipsis.length,j=e.text(),k=f(j),l=k-h.length+i;if(!(k<h.length)){if(h.stripTags&&e.text(j),h.words&&l>0){var m=j.slice(0,g(j,h.length-i)+1),n=m.replace(b,""),o=f(n),p=!m.match(d);l=h.keepFirstWord&&0===o?k-f(c.exec(j)[0])-i:p&&0===o?k-h.length+i:k-o-1}l>k&&(l=k-h.length),l<0||!l&&!h.truncated||a.each(e.contents().get().reverse(),function(b,c){var d=a(c),e=d.text(),j=f(e);if(j<=l)return h.truncated=!0,l-=j,void d.remove();if(3===c.nodeType){var k=j-l;return k=k>=0?g(e,k):0,a(c.splitText(k)).replaceWith(h.ellipsis),!1}return d.truncate(a.extend(h,{length:j-l+i})),!1})}})},a.truncate.defaults={stripTags:!1,words:!1,keepFirstWord:!1,noBreaks:!1,length:1/0,ellipsis:"…"},{truncate:a.truncate}});