markdown: Move handleLinkifier.

All the other handleFoo functions followed this
convention.

static/js/linkifiers.js

@@ -8,20 +8,6 @@ export function get_linkifier_map() {
     return linkifier_map;
 }
 
-function handleLinkifier(pattern, matches) {
-    let url = linkifier_map.get(pattern);
-
-    let current_group = 1;
-
-    for (const match of matches) {
-        const back_ref = "\\" + current_group;
-        url = url.replace(back_ref, match);
-        current_group += 1;
-    }
-
-    return url;
-}
-
 function python_to_js_linkifier(pattern, url) {
     // Converts a python named-group regex to a javascript-compatible numbered
     // group regex... with a regex!
@@ -102,6 +88,4 @@ export function update_linkifier_rules(linkifiers) {
 
 export function initialize(linkifiers) {
     update_linkifier_rules(linkifiers);
-
-    marked.setOptions({linkifierHandler: handleLinkifier});
 }

static/js/markdown.js

@@ -373,6 +373,20 @@ function handleEmoji(emoji_name) {
     return alt_text;
 }
 
+function handleLinkifier(pattern, matches) {
+    let url = linkifiers.get_linkifier_map().get(pattern);
+
+    let current_group = 1;
+
+    for (const match of matches) {
+        const back_ref = "\\" + current_group;
+        url = url.replace(back_ref, match);
+        current_group += 1;
+    }
+
+    return url;
+}
+
 function handleTimestamp(time) {
     let timeobject;
     if (Number.isNaN(Number(time))) {
@@ -509,6 +523,7 @@ export function setup() {
         smartypants: false,
         zulip: true,
         emojiHandler: handleEmoji,
+        linkifierHandler: handleLinkifier,
         unicodeEmojiHandler: handleUnicodeEmoji,
         streamHandler: handleStream,
         streamTopicHandler: handleStreamTopic,