refactor: Move list of frequent emojis to emoji.js.

All of our data related to emojis is in emoji.js.
Now typeahead_helper no longer depends on emoji_picker.

Generally we want typeahead_helper to only depend
on data modules to avoid complicated circular
dependencies (or at least mitigate them).

frontend_tests/node_tests/composebox_typeahead.js

@@ -3,7 +3,7 @@ zrequire('dict');
 zrequire('compose_state');
 zrequire('ui_util');
 zrequire('pm_conversations');
-zrequire('emoji_picker');
+zrequire('emoji');
 zrequire('util');
 zrequire('Handlebars', 'handlebars');
 zrequire('templates');
@@ -116,10 +116,9 @@ set_global('compose', {
     finish: noop,
 });
 
-set_global('emoji', {
-    active_realm_emojis: {},
-    emojis: emoji_list,
-});
+emoji.active_realm_emojis = {};
+emoji.emojis = emoji_list;
+
 set_global('pygments_data', {langs:
     {python: 0, javscript: 1, html: 2, css: 3},
 });

frontend_tests/node_tests/typeahead_helper.js

@@ -8,7 +8,7 @@ zrequire('Handlebars', 'handlebars');
 zrequire('recent_senders');
 zrequire('pm_conversations');
 zrequire('people');
-zrequire('emoji_picker');
+zrequire('emoji');
 zrequire('util');
 zrequire('stream_data');
 zrequire('narrow');
@@ -498,15 +498,13 @@ run_test('render_stream', () => {
 run_test('render_emoji', () => {
     // Test render_emoji with normal emoji.
     var rendered = false;
-    var emoji = {
+    var test_emoji = {
         emoji_name: 'thumbs_up',
         codepoint: '1f44d',
     };
-    set_global('emoji', {
-        active_realm_emojis: {
+    emoji.active_realm_emojis = {
         realm_emoji: 'TBD',
-        },
-    });
+    };
 
     global.templates.render = function (template_name, args) {
         assert.equal(template_name, 'typeahead_list_item');
@@ -520,12 +518,12 @@ run_test('render_emoji', () => {
         rendered = true;
         return 'typeahead-item-stub';
     };
-    assert.equal(th.render_emoji(emoji), 'typeahead-item-stub');
+    assert.equal(th.render_emoji(test_emoji), 'typeahead-item-stub');
     assert(rendered);
 
     // Test render_emoji with normal emoji.
     rendered = false;
-    emoji = {
+    test_emoji = {
         emoji_name: 'realm_emoji',
         emoji_url: 'TBD',
     };
@@ -542,7 +540,7 @@ run_test('render_emoji', () => {
         rendered = true;
         return 'typeahead-item-stub';
     };
-    assert.equal(th.render_emoji(emoji), 'typeahead-item-stub');
+    assert.equal(th.render_emoji(test_emoji), 'typeahead-item-stub');
     assert(rendered);
 });
 

static/js/emoji.js

@@ -12,6 +12,19 @@ exports.all_realm_emojis = {};
 exports.active_realm_emojis = {};
 exports.default_emoji_aliases = {};
 
+// Unfortunately, this list does not currently match on
+// alias names like party_popper, simple_smile, and
+// hammer_and_wrench. But thumbs_up sorts to the top
+// for some other reason.
+exports.frequently_used_emojis_list = [
+    '1f44d',    // +1
+    '1f389',    // tada
+    '1f642',    // slight_smile
+    '2764',     // heart
+    '1f6e0',    // working_on_it
+    '1f419',    // octopus
+];
+
 var default_emojis = [];
 
 var zulip_emoji = {

static/js/emoji_picker.js

@@ -12,18 +12,6 @@ var APPROX_WIDTH = 255;
 // implemented as the emoji_popover.
 exports.complete_emoji_catalog = [];
 
-// Unfortunately, this list does not currently match on
-// alias names like party_popper, simple_smile, and
-// hammer_and_wrench. But thumbs_up sorts to the top
-// for some other reason.
-exports.frequently_used_emojis_list = [
-    '1f44d',    // +1
-    '1f389',    // tada
-    '1f642',    // slight_smile
-    '2764',     // heart
-    '1f6e0',    // working_on_it
-    '1f419',    // octopus
-];
 var current_message_emoji_popover_elem;
 var emoji_catalog_last_coordinates = {
     section: 0,
@@ -129,7 +117,7 @@ exports.generate_emoji_picker_data = function (realm_emojis) {
     });
 
     exports.complete_emoji_catalog.Popular = [];
-    _.each(exports.frequently_used_emojis_list, function (codepoint) {
+    _.each(emoji.frequently_used_emojis_list, function (codepoint) {
         if (emoji_codes.codepoint_to_name.hasOwnProperty(codepoint)) {
             var emoji_name = emoji_codes.codepoint_to_name[codepoint];
             if (emoji.emojis_by_name.hasOwnProperty(emoji_name)) {

static/js/typeahead_helper.js

@@ -168,7 +168,7 @@ function emoji_prefix_sort(query, objs, get_item) {
     var popular_emoji_matches = [];
     var other_emoji_matches = [];
     prefix_sort.matches.forEach(function (obj) {
-        if (emoji_picker.frequently_used_emojis_list.indexOf(obj.codepoint) !== -1) {
+        if (emoji.frequently_used_emojis_list.indexOf(obj.codepoint) !== -1) {
             popular_emoji_matches.push(obj);
         } else {
             other_emoji_matches.push(obj);