/*
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* An Angular service which helps with creating recursive directives.
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* @author Mark Lagendijk
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* @license MIT
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*/
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angular.module('RecursionHelper', []).factory('RecursionHelper', ['$compile', function($compile){
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return {
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/**
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* Manually compiles the element, fixing the recursion loop.
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* @param element
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* @param [link] A post-link function, or an object with function(s) registered via pre and post properties.
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* @returns An object containing the linking functions.
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*/
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compile: function(element, link){
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// Normalize the link parameter
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if(angular.isFunction(link)){
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link = { post: link };
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}
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// Break the recursion loop by removing the contents
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var contents = element.contents().remove();
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var compiledContents;
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return {
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pre: (link && link.pre) ? link.pre : null,
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/**
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* Compiles and re-adds the contents
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*/
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post: function(scope, element){
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// Compile the contents
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if(!compiledContents){
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compiledContents = $compile(contents);
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}
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// Re-add the compiled contents to the element
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compiledContents(scope, function(clone){
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element.append(clone);
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});
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// Call the post-linking function, if any
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if(link && link.post){
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link.post.apply(null, arguments);
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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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