Directive in ng-repeat not re-processing after updating the array - angularjs

Question

I have a directive which converts certain strings into links (/) tags. I use this directive inside an ng-repeat to add links to text within a list of s. However, I refresh this data from a server which overwrites the array of the ng-repeat. The list gets updated in the DOM but the text no longer has links in it as it did when processed by the directive. How do I make the directive reprocess the text to add links?
Relevant code below
Controller HTML
<div ng-repeat="post in posts track by $index" ng-if="!post.deleted">
<div class="post wrap" ng-click="openSinglePostView(post, $index)" >
<div class="post-desc" linkify="twitter" ng-bind="post.desc"></div>
</div>
</div>
Controller JS
$scope.posts = [];
function refresh(){
$http.get(Constants.GET_POSTS_URL, {params : paramObject})
.then(function (response){
$scope.posts = [];
for(var i = 0; i < response.data.resultsArray.length; i++){
var post = new PostFactory(response.data.resultsArray[i]);
$scope.posts.push(post);
}
});
}
refresh();
Directive code
angular.module('linkify').directive('linkify', ['$filter', '$timeout', 'linkify', function ($filter, $timeout, linkify) {
'use strict';
return {
//restrict: 'A',
link: function (scope, element, attrs) {
var type = attrs.linkify || 'normal';
$timeout(function () { element.html(linkify[type](element.html()));
});
}
};
}]);
and for reference, the directive uses these filters and factories
angular.module('linkify')
.filter('linkify', function (Constants) {
'use strict';
function linkify (_str, type) {
if (!_str) {
return;
}
var _text = _str.replace( /(?:https?\:\/\/|www\.)+(?![^\s]*?")([\w.,#?!^=%&:\/~+#-]*[\w#?!^=%&\/~+#-])?/ig, function(url) {
var wrap = document.createElement('div');
var anch = document.createElement('a');
anch.href = url;
anch.target = "_blank";
anch.innerHTML = url;
wrap.appendChild(anch);
return wrap.innerHTML;
});
// bugfix
if (!_text) {
return '';
}
// Twitter
if (type === 'twitter') {
_text = _text.replace(/(|\s)*#([\u00C0-\u1FFF\w]+)/g, '$1#$2');
_text = _text.replace(/(^|\s)*#([\u00C0-\u1FFF\w]+)/g, '$1#$2');
}
return _text;
}
//
return function (text, type) {
return linkify(text, type);
};
})
.factory('linkify', ['$filter', function ($filter) {
'use strict';
function _linkifyAsType (type) {
return function (str) {(type, str);
return $filter('linkify')(str, type);
};
}
return {
twitter: _linkifyAsType('twitter'),
icon: _linkifyAsType('icon'),
normal: _linkifyAsType()
};
}])

Answer 1

Could the track by $index be the problem? Have you tried without it?