lint: Check for space after if in javascript.

frontend_tests/casper_lib/common.js

@@ -120,7 +120,7 @@ exports.check_form = function (form_selector, expected, test_name) {
 exports.then_send_message = function (type, params) {
     casper.waitForSelector('#compose-send-button:enabled');
     casper.waitForSelector('#new_message_content', function () {
-        if(type === "stream") {
+        if (type === "stream") {
             casper.page.sendEvent('keypress', "c");
         }
         else if (type === "private") {

static/js/admin.js

@@ -232,7 +232,7 @@ exports.setup_page = function () {
     });
 
     $("#id_realm_invite_required").change(function () {
-        if(this.checked) {
+        if (this.checked) {
             $("#id_realm_invite_by_admins_only").removeAttr("disabled");
             $("#id_realm_invite_by_admins_only_label").removeClass("control-label-disabled");
         } else {

static/js/message_list_view.js

@@ -551,7 +551,7 @@ MessageListView.prototype = {
             if (elem.is("div")) {
                 new_messages_height += elem.height();
                 // starting from the last message, ignore message heights that weren't sent by me.
-                if(id_of_last_message_sent_by_us > -1) {
+                if (id_of_last_message_sent_by_us > -1) {
                     distance_to_last_message_sent_by_me += elem.height();
                     return;
                 }

static/js/notifications.js

@@ -104,7 +104,7 @@ exports.initialize = function () {
                 return;
             }
             if (notifications_api.checkPermission() !== 0) { // 0 is PERMISSION_ALLOWED
-                if(tutorial.is_running()) {
+                if (tutorial.is_running()) {
                     tutorial.defer(function () {
                         notifications_api.requestPermission(function () {
                             asked_permission_already = true;

tools/lint-all

@@ -147,6 +147,8 @@ js_rules = [
      'description': 'Missing whitespace after "="'},
     {'pattern': '^[ ]*//[A-Za-z0-9]',
      'description': 'Missing space after // in comment'},
+    {'pattern': 'if[(]',
+     'description': 'Missing space between if and ('},
     {'pattern': 'else{$',
      'description': 'Missing space between else and {'},
     ] + whitespace_rules