diff --git a/.eslintrc.json b/.eslintrc.json
index b8aaff81c7..f1b3dac5d4 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -4,89 +4,89 @@
     },
     "globals": {
         "$": false,
-	"_": false,
-	"jQuery": false,
-	"Spinner": false,
-	"Handlebars": false,
-	"XDate": false,
-	"zxcvbn": false,
-	"LazyLoad": false,
-	"Dropbox": false,
-	"SockJS": false,
-	"marked": false,
-	"i18n": false,
-	"bridge": false,
-	"page_params": false,
-	"status_classes": false,
-	"password_quality": false,
-	"csrf_token": false,
-	"typeahead_helper": false,
-	"popovers": false,
-	"server_events": false,
-	"ui": false,
-	"stream_color": false,
-	"people": false,
-	"navigate": false,
-	"settings": false,
-	"resize": false,
-	"loading": false,
-	"compose": false,
-	"compose_fade": false,
-	"subs": false,
-	"timerender": false,
-	"message_edit": false,
-	"reload": false,
-	"composebox_typeahead": false,
-	"search": false,
-	"topic_list": false,
-	"gear_menu": false,
-	"hashchange": false,
-	"message_list": false,
-	"Filter": false,
-	"pointer": false,
-	"util": false,
-	"MessageListView": false,
-	"blueslip": false,
-	"rows": false,
-	"WinChan": false,
-	"muting_ui": false,
-	"Socket": false,
-	"channel": false,
-	"viewport": false,
-	"avatar": false,
-	"feature_flags": false,
-	"search_suggestion": false,
-	"referral": false,
-	"notifications": false,
-	"message_flags": false,
-	"bot_data": false,
-	"stream_list": false,
-	"narrow": false,
-	"admin": false,
-	"stream_data": false,
-	"muting": false,
-	"Dict": false,
-	"unread": false,
-	"alert_words_ui": false,
-	"message_store": false,
-	"favicon": false,
-	"condense": false,
-	"floating_recipient_bar": false,
-	"tab_bar": false,
-	"emoji": false,
-	"activity": false,
-	"invite": false,
-	"colorspace": false,
-	"tutorial": false,
-	"templates": false,
-	"alert_words": false,
-	"fenced_code": false,
-	"echo": false,
-	"localstorage": false,
-	"current_msg_list": true,
-	"home_msg_list": false,
-	"pm_list": false,
-	"unread_ui": false
+        "_": false,
+        "jQuery": false,
+        "Spinner": false,
+        "Handlebars": false,
+        "XDate": false,
+        "zxcvbn": false,
+        "LazyLoad": false,
+        "Dropbox": false,
+        "SockJS": false,
+        "marked": false,
+        "i18n": false,
+        "bridge": false,
+        "page_params": false,
+        "status_classes": false,
+        "password_quality": false,
+        "csrf_token": false,
+        "typeahead_helper": false,
+        "popovers": false,
+        "server_events": false,
+        "ui": false,
+        "stream_color": false,
+        "people": false,
+        "navigate": false,
+        "settings": false,
+        "resize": false,
+        "loading": false,
+        "compose": false,
+        "compose_fade": false,
+        "subs": false,
+        "timerender": false,
+        "message_edit": false,
+        "reload": false,
+        "composebox_typeahead": false,
+        "search": false,
+        "topic_list": false,
+        "gear_menu": false,
+        "hashchange": false,
+        "message_list": false,
+        "Filter": false,
+        "pointer": false,
+        "util": false,
+        "MessageListView": false,
+        "blueslip": false,
+        "rows": false,
+        "WinChan": false,
+        "muting_ui": false,
+        "Socket": false,
+        "channel": false,
+        "viewport": false,
+        "avatar": false,
+        "feature_flags": false,
+        "search_suggestion": false,
+        "referral": false,
+        "notifications": false,
+        "message_flags": false,
+        "bot_data": false,
+        "stream_list": false,
+        "narrow": false,
+        "admin": false,
+        "stream_data": false,
+        "muting": false,
+        "Dict": false,
+        "unread": false,
+        "alert_words_ui": false,
+        "message_store": false,
+        "favicon": false,
+        "condense": false,
+        "floating_recipient_bar": false,
+        "tab_bar": false,
+        "emoji": false,
+        "activity": false,
+        "invite": false,
+        "colorspace": false,
+        "tutorial": false,
+        "templates": false,
+        "alert_words": false,
+        "fenced_code": false,
+        "echo": false,
+        "localstorage": false,
+        "current_msg_list": true,
+        "home_msg_list": false,
+        "pm_list": false,
+        "unread_ui": false
     },
     "rules": {
         "no-alert": 2,
@@ -102,7 +102,7 @@
         "no-dupe-keys": 2,
         "no-else-return": 1,
         "no-empty": 1,
-	"no-empty-character-class": 2,
+        "no-empty-character-class": 2,
         "no-eq-null": 2,
         "no-eval": 2,
         "no-ex-assign": 2,
@@ -140,7 +140,7 @@
         "no-proto": 2,
         "no-iterator": 2,
         "no-mixed-requires": [0, false],
-	"no-extra-parens": ["error", "functions"],
+        "no-extra-parens": ["error", "functions"],
         "no-shadow": 1,
         "no-use-before-define": 2,
         "no-redeclare": 2,