localStorage caching fixes
This commit is contained in:
Andrew Dolgov
parent
5225d4209e
commit
b39b57ac44
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@ -614,7 +614,7 @@ function request_counters() {
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var date = new Date();
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var timestamp = Math.round(date.getTime() / 1000);
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if (timestamp - counters_last_request > 10) {
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if (timestamp - counters_last_request > 5) {
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console.log("scheduling request of counters...");
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window.clearTimeout(counter_timeout_id);
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140
viewfeed.js
140
viewfeed.js
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@ -15,6 +15,11 @@ var post_under_pointer = false;
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var last_requested_article = false;
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var preload_id_batch = [];
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var preload_timeout_id = false;
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var cache_added = [];
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function catchup_callback2(transport, callback) {
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try {
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console.log("catchup_callback2 " + transport + ", " + callback);
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@ -210,7 +215,7 @@ function headlines_callback2(transport, feed_cur_page) {
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console.log("parsing runtime info: " + runtime_info[0]);
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parse_runtime_info(runtime_info[0]);
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} else {
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console.log("counters container not found in reply");
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console.log("runtime info container not found in reply");
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}
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} else {
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@ -447,7 +452,7 @@ function view(id) {
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}
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console.log("additional ids: " + cids_to_request.toString());
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/* additional info for piggyback counters */
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if (tagsAreDisplayed()) {
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@ -1629,14 +1634,15 @@ function cdmWatchdog() {
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function cache_inject(id, article, param) {
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try {
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if (!cache_check_param(id, param)) {
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console.log("cache_article: miss: " + id + " [p=" + param + "]");
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if (db) {
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var date = new Date();
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var ts = Math.round(date.getTime() / 1000);
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var date = new Date();
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var ts = Math.round(date.getTime() / 1000);
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if (db) {
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db.execute("INSERT INTO cache (id, article, param, added) VALUES (?, ?, ?, ?)",
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[id, article, param, ts]);
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@ -1647,10 +1653,11 @@ function cache_inject(id, article, param) {
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cache_obj["id"] = id;
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cache_obj["data"] = article;
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cache_obj["param"] = param;
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cache_obj["added"] = new Date();
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if (param) id = id + ":" + param;
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cache_added["TS:" + id] = ts;
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if (has_local_storage())
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localStorage.setItem(id, JSON.stringify(cache_obj));
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else
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@ -1720,7 +1727,10 @@ function cache_find_param(id, param) {
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} else {
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if (has_local_storage()) {
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var cache_obj = localStorage.getItem(id + ":" + param);
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if (param) id = id + ":" + param;
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var cache_obj = localStorage.getItem(id);
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if (cache_obj) {
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cache_obj = JSON.parse(cache_obj);
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@ -1756,9 +1766,9 @@ function cache_check(id) {
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return a;
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} else {
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if (has_local_storage) {
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if (has_local_storage()) {
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if (localStorage.getItem(id))
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return true;
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return true;
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} else {
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for (var i = 0; i < article_cache.length; i++) {
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if (article_cache[i]["id"] == id) {
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@ -1787,9 +1797,13 @@ function cache_check_param(id, param) {
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} else {
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if (has_local_storage) {
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if (localStorage.getItem(id + ':' + param))
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return true;
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if (has_local_storage()) {
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if (param) id = id + ":" + param;
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if (localStorage.getItem(id))
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return true;
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} else {
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for (var i = 0; i < article_cache.length; i++) {
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if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
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@ -1813,9 +1827,23 @@ function cache_expire() {
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} else {
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if (has_local_storage()) {
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while (localStorage.length > 25) {
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localStorage.removeItem(localStorage.key(0));
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var date = new Date();
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var timestamp = Math.round(date.getTime() / 1000);
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for (var id in cache_added) {
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var tmp = [];
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if (timestamp - cache_added[id] > 60) {
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console.warn("CEXP:" + id);
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cache_invalidate(id);
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} else {
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tmp[id] = cache_added[id];
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}
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cache_added = tmp;
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}
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} else {
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while (article_cache.length > 25) {
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article_cache.shift();
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@ -1843,13 +1871,28 @@ function cache_invalidate(id) {
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} else {
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if (has_local_storage()) {
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for (var i = 0; i < localStorage.length; i++) {
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var key = localStorage.key(i);
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if (key == id || key.indexOf(id + ":") == 0)
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localStorage.removeItem(key);
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var tmp = [];
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var found = false;
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for (var key in cache_added) {
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var key_id = key.replace("TS:", "");
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// console.warn("cache_invalidate: " + key_id + " cmp " + id);
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if (key_id == id || key_id.indexOf(id + ":") == 0) {
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localStorage.removeItem(key_id);
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found = true;
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break;
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} else {
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tmp[key] = cache_added[key];
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}
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}
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cache_added = tmp;
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return found;
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} else {
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var i = 0
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@ -1875,6 +1918,34 @@ function getActiveArticleId() {
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return active_post_id;
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}
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function preloadBatchedArticles() {
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try {
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var query = "?op=rpc&subop=getArticles&ids=" +
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preload_id_batch.toString();
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new Ajax.Request("backend.php", {
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parameters: query,
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onComplete: function(transport) {
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preload_id_batch = [];
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var articles = transport.responseXML.getElementsByTagName("article");
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for (var i = 0; i < articles.length; i++) {
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var id = articles[i].getAttribute("id");
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if (!cache_check(id)) {
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cache_inject(id, articles[i].firstChild.nodeValue);
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console.log("preloaded article: " + id);
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}
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}
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} });
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} catch (e) {
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exception_error("preloadBatchedArticles", e);
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}
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}
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function preloadArticleUnderPointer(id) {
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try {
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if (getInitParam("bw_limit") == "1") return;
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@ -1887,33 +1958,22 @@ function preloadArticleUnderPointer(id) {
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/* only request uncached articles */
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var cids_to_request = Array();
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for (var i = 0; i < neighbor_ids.length; i++) {
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if (!cache_check(neighbor_ids[i])) {
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cids_to_request.push(neighbor_ids[i]);
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if (preload_id_batch.indexOf(id) == -1) {
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for (var i = 0; i < neighbor_ids.length; i++) {
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if (!cache_check(neighbor_ids[i])) {
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preload_id_batch.push(neighbor_ids[i]);
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}
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}
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}
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console.log("additional ids: " + cids_to_request.toString());
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cids_to_request.push(id);
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if (preload_id_batch.indexOf(id) == -1)
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preload_id_batch.push(id);
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var query = "?op=rpc&subop=getArticles&ids=" +
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cids_to_request.toString();
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console.log("preload ids batch: " + preload_id_batch.toString());
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new Ajax.Request("backend.php", {
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parameters: query,
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onComplete: function(transport) {
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var articles = transport.responseXML.getElementsByTagName("article");
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window.clearTimeout(preload_timeout_id);
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preload_batch_timeout_id = window.setTimeout('preloadBatchedArticles()', 1000);
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for (var i = 0; i < articles.length; i++) {
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var id = articles[i].getAttribute("id");
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if (!cache_check(id)) {
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cache_inject(id, articles[i].firstChild.nodeValue);
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console.log("preloaded article: " + id);
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}
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}
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} });
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}
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} catch (e) {
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exception_error("preloadArticleUnderPointer", e);
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