* Optimize and fix autolink function (#1442) * Fix bug in autolink recursive fallback function
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1 changed files with 45 additions and 15 deletions
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@ -1,15 +1,45 @@
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jQuery.fn.autolink = function() {
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(function () {
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var re = /((([A-Za-z]{3,9}:(?:\/\/)?)(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+|(?:www\.|[\-;:&=\+\$,\w]+@)[A-Za-z0-9\.\-]+)((?:\/[\+~%\/\.\w\-]*)?\??(?:[\-\+:=&;%@\.\w]*)#?(?:[\.\!\/\\\w]*))?)/g;
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var re = /((([A-Za-z]{3,9}:(?:\/\/)?)(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+|(?:www\.|[\-;:&=\+\$,\w]+@)[A-Za-z0-9\.\-]+)((?:\/[\+~%\/\.\w\-]*)?\??(?:[\-\+:=&;%@\.\w]*)#?(?:[\.\!\/\\\w]*))?)/g;
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return this.find('*').contents()
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function textNodesUnder(node) {
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.filter(function () { return this.nodeType === 3; })
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var textNodes = [];
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.each(function() {
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if(typeof document.createTreeWalker === 'function') {
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$(this).each(function() {
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// Efficient TreeWalker
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if (re.test($(this).text()))
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var currentNode, walker;
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$(this).replaceWith(
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walker = document.createTreeWalker(node, NodeFilter.SHOW_TEXT, null, false);
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$("<span />").html(
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while(currentNode = walker.nextNode()) {
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this.nodeValue.replace(re, "<a href='$1'>$1</a>")
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textNodes.push(currentNode);
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}
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} else {
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// Less efficient recursive function
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for(node = node.firstChild; node; node = node.nextSibling) {
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if(node.nodeType === 3) {
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textNodes.push(node);
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} else {
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textNodes = textNodes.concat(textNodesUnder(node));
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}
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}
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}
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return textNodes;
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}
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function processNode(node) {
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re.lastIndex = 0;
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var results = re.exec(node.textContent);
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if(results !== null) {
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if($(node).parents().filter('pre>code').length === 0) {
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$(node).replaceWith(
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$('<span />').html(
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node.nodeValue.replace(re, '<a href="$1">$1</a>')
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)
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)
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);
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);
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}
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}
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}
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jQuery.fn.autolink = function () {
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this.each(function () {
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textNodesUnder(this).forEach(processNode);
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});
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});
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});
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return this;
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};
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};
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})();
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