diff --git a/.eslintrc.json b/.eslintrc.json
index 9825db73ce..e08e788bfa 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -144,7 +144,8 @@
         "katex": false,
         "Clipboard": false,
         "emoji_picker": false,
-        "hotspots": false
+        "hotspots": false,
+        "compose_ui": false
     },
     "rules": {
         "no-restricted-syntax": 0,
diff --git a/frontend_tests/node_tests/compose_actions.js b/frontend_tests/node_tests/compose_actions.js
index 81ab39d0c6..0d3e675321 100644
--- a/frontend_tests/node_tests/compose_actions.js
+++ b/frontend_tests/node_tests/compose_actions.js
@@ -18,6 +18,7 @@ add_dependencies({
     compose_state: 'js/compose_state',
     people: 'js/people',
     util: 'js/util',
+    compose_ui: 'js/compose_ui',
 });
 
 var compose_actions = require('js/compose_actions.js');
diff --git a/static/js/compose.js b/static/js/compose.js
index ec09caa371..64278c0556 100644
--- a/static/js/compose.js
+++ b/static/js/compose.js
@@ -42,10 +42,6 @@ function clear_out_file_list(jq_file_list) {
     //    $("#file_input").val("");
 }
 
-exports.autosize_textarea = function () {
-    $("#new_message_content").trigger("autosize.resize");
-};
-
 function show_all_everyone_warnings() {
     var current_stream = stream_data.get_sub(compose_state.stream_name());
     var stream_count = current_stream.subscribers.num_items();
@@ -292,7 +288,7 @@ function process_send_time(message_id, start_time, locally_echoed) {
 function clear_compose_box() {
     $("#new_message_content").val('').focus();
     drafts.delete_draft_after_send();
-    exports.autosize_textarea();
+    compose_ui.autosize_textarea();
     $("#send-status").hide(0);
     $("#compose-send-button").removeAttr('disabled');
     $("#sending-indicator").hide();
@@ -891,7 +887,7 @@ $(function () {
             // This is a dropped file, so make the filename a link to the image
             textbox.val(textbox.val() + "[" + filename + "](" + uri + ")" + " ");
         }
-        exports.autosize_textarea();
+        compose_ui.autosize_textarea();
         $("#compose-send-button").removeAttr("disabled");
         $("#send-status").removeClass("alert-info")
                          .hide();
@@ -933,7 +929,7 @@ $(function () {
                 compose_actions.start('stream');
             }
             textbox.val(textbox.val() + contents);
-            exports.autosize_textarea();
+            compose_ui.autosize_textarea();
         },
     });
 
diff --git a/static/js/compose_actions.js b/static/js/compose_actions.js
index e0f156ac40..d5effe9c08 100644
--- a/static/js/compose_actions.js
+++ b/static/js/compose_actions.js
@@ -96,7 +96,7 @@ function clear_box() {
 
     exports.clear_textarea();
     $("#new_message_content").removeData("draft-id");
-    compose.autosize_textarea();
+    compose_ui.autosize_textarea();
     $("#send-status").hide(0);
 }
 
diff --git a/static/js/compose_ui.js b/static/js/compose_ui.js
new file mode 100644
index 0000000000..19b32a9482
--- /dev/null
+++ b/static/js/compose_ui.js
@@ -0,0 +1,14 @@
+var compose_ui = (function () {
+
+var exports = {};
+
+exports.autosize_textarea = function () {
+    $("#new_message_content").trigger("autosize.resize");
+};
+
+return exports;
+
+}());
+if (typeof module !== 'undefined') {
+    module.exports = compose_ui;
+}
diff --git a/static/js/composebox_typeahead.js b/static/js/composebox_typeahead.js
index 8f68e1dfab..cfbfa3f52e 100644
--- a/static/js/composebox_typeahead.js
+++ b/static/js/composebox_typeahead.js
@@ -382,7 +382,7 @@ exports.content_typeahead_selected = function (item) {
     setTimeout(function () {
         $('#new_message_content').caret(beginning.length, beginning.length);
         // Also, trigger autosize to check if compose box needs to be resized.
-        compose.autosize_textarea();
+        compose_ui.autosize_textarea();
     }, 0);
     return beginning + rest;
 };
diff --git a/static/js/drafts.js b/static/js/drafts.js
index b370d9a926..c0f2c5d025 100644
--- a/static/js/drafts.js
+++ b/static/js/drafts.js
@@ -134,7 +134,7 @@ exports.restore_draft = function (draft_id) {
         draft_copy.subject = "";
     }
     compose_actions.start(draft_copy.type, draft_copy);
-    compose.autosize_textarea();
+    compose_ui.autosize_textarea();
     $("#new_message_content").data("draft-id", draft_id);
 };
 
diff --git a/zproject/settings.py b/zproject/settings.py
index 54c507bf34..72ed1332c2 100644
--- a/zproject/settings.py
+++ b/zproject/settings.py
@@ -949,6 +949,7 @@ JS_SPECS = {
             'js/typing_events.js',
             'js/ui_init.js',
             'js/emoji_picker.js',
+            'js/compose_ui.js',
             # JS bundled by webpack is also included here if PIPELINE_ENABLED setting is true
         ],
         'output_filename': 'min/app.js'