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