1 files changed, 56 insertions, 59 deletions
diff --git a/app/assets/javascripts/zen_mode.js b/app/assets/javascripts/zen_mode.js
index b7fe552dec2..99c7644e4d9 100644
--- a/app/assets/javascripts/zen_mode.js
+++ b/app/assets/javascripts/zen_mode.js
@@ -1,4 +1,4 @@
-/* eslint-disable func-names, space-before-function-paren, wrap-iife, prefer-arrow-callback, no-unused-vars, consistent-return, camelcase, comma-dangle, max-len */
+/* eslint-disable func-names, space-before-function-paren, wrap-iife, prefer-arrow-callback, no-unused-vars, consistent-return, camelcase, comma-dangle, max-len, class-methods-use-this */
 /* global Mousetrap */
 
 // Zen Mode (full screen) textarea
@@ -34,65 +34,62 @@ window.Dropzone = Dropzone;
 // **Cancelable** No
 // **Target** a.js-zen-leave
 //
-(function() {
-  this.ZenMode = (function() {
-    function ZenMode() {
-      this.active_backdrop = null;
-      this.active_textarea = null;
-      $(document).on('click', '.js-zen-enter', function(e) {
-        e.preventDefault();
-        return $(e.currentTarget).trigger('zen_mode:enter');
-      });
-      $(document).on('click', '.js-zen-leave', function(e) {
-        e.preventDefault();
-        return $(e.currentTarget).trigger('zen_mode:leave');
-      });
-      $(document).on('zen_mode:enter', (function(_this) {
-        return function(e) {
-          return _this.enter($(e.target).closest('.md-area').find('.zen-backdrop'));
-        };
-      })(this));
-      $(document).on('zen_mode:leave', (function(_this) {
-        return function(e) {
-          return _this.exit();
-        };
-      })(this));
-      $(document).on('keydown', function(e) {
-        // Esc
-        if (e.keyCode === 27) {
-          e.preventDefault();
-          return $(document).trigger('zen_mode:leave');
-        }
-      });
-    }
-
-    ZenMode.prototype.enter = function(backdrop) {
-      Mousetrap.pause();
-      this.active_backdrop = $(backdrop);
-      this.active_backdrop.addClass('fullscreen');
-      this.active_textarea = this.active_backdrop.find('textarea');
-      // Prevent a user-resized textarea from persisting to fullscreen
-      this.active_textarea.removeAttr('style');
-      return this.active_textarea.focus();
-    };
 
-    ZenMode.prototype.exit = function() {
-      if (this.active_textarea) {
-        Mousetrap.unpause();
-        this.active_textarea.closest('.zen-backdrop').removeClass('fullscreen');
-        this.scrollTo(this.active_textarea);
-        this.active_textarea = null;
-        this.active_backdrop = null;
-        return Dropzone.forElement('.div-dropzone').enable();
+export default class ZenMode {
+  constructor() {
+    this.active_backdrop = null;
+    this.active_textarea = null;
+    $(document).on('click', '.js-zen-enter', function(e) {
+      e.preventDefault();
+      return $(e.currentTarget).trigger('zen_mode:enter');
+    });
+    $(document).on('click', '.js-zen-leave', function(e) {
+      e.preventDefault();
+      return $(e.currentTarget).trigger('zen_mode:leave');
+    });
+    $(document).on('zen_mode:enter', (function(_this) {
+      return function(e) {
+        return _this.enter($(e.target).closest('.md-area').find('.zen-backdrop'));
+      };
+    })(this));
+    $(document).on('zen_mode:leave', (function(_this) {
+      return function(e) {
+        return _this.exit();
+      };
+    })(this));
+    $(document).on('keydown', function(e) {
+      // Esc
+      if (e.keyCode === 27) {
+        e.preventDefault();
+        return $(document).trigger('zen_mode:leave');
       }
-    };
+    });
+  }
+
+  enter(backdrop) {
+    Mousetrap.pause();
+    this.active_backdrop = $(backdrop);
+    this.active_backdrop.addClass('fullscreen');
+    this.active_textarea = this.active_backdrop.find('textarea');
+    // Prevent a user-resized textarea from persisting to fullscreen
+    this.active_textarea.removeAttr('style');
+    return this.active_textarea.focus();
+  }
 
-    ZenMode.prototype.scrollTo = function(zen_area) {
-      return $.scrollTo(zen_area, 0, {
-        offset: -150
-      });
-    };
+  exit() {
+    if (this.active_textarea) {
+      Mousetrap.unpause();
+      this.active_textarea.closest('.zen-backdrop').removeClass('fullscreen');
+      this.scrollTo(this.active_textarea);
+      this.active_textarea = null;
+      this.active_backdrop = null;
+      return Dropzone.forElement('.div-dropzone').enable();
+    }
+  }
 
-    return ZenMode;
-  })();
-}).call(window);
+  scrollTo(zen_area) {
+    return $.scrollTo(zen_area, 0, {
+      offset: -150
+    });
+  }
+}