diff --git a/client/.eslintrc.yml b/client/.eslintrc.yml
new file mode 100644
index 0000000..a176248
--- /dev/null
+++ b/client/.eslintrc.yml
@@ -0,0 +1,293 @@
+env:
+  browser: true
+  commonjs: true
+  es6: true
+extends: 'eslint:recommended'
+globals:
+  Atomics: readonly
+  SharedArrayBuffer: readonly
+ignorePatterns:
+  - build.js
+parserOptions:
+  ecmaVersion: 11
+rules:
+  accessor-pairs: error
+  array-bracket-newline: error
+  array-bracket-spacing:
+    - error
+    - never
+  array-callback-return: error
+  array-element-newline: 'off'
+  arrow-body-style: 'off'
+  arrow-parens:
+    - error
+    - as-needed
+  arrow-spacing:
+    - error
+    - after: true
+      before: true
+  block-scoped-var: error
+  block-spacing: error
+  brace-style:
+    - error
+    - 1tbs
+  callback-return: 'off'
+  camelcase: error
+  class-methods-use-this: 'off'
+  comma-dangle: 'off'
+  comma-spacing:
+    - error
+    - after: true
+      before: false
+  comma-style:
+    - error
+    - last
+  complexity: 'off'
+  computed-property-spacing:
+    - error
+    - never
+  consistent-return: 'off'
+  consistent-this: 'off'
+  curly: error
+  default-case: error
+  default-case-last: error
+  default-param-last: error
+  dot-location:
+    - error
+    - property
+  dot-notation:
+    - error
+    - allowKeywords: true
+  eol-last: error
+  eqeqeq: error
+  func-call-spacing: error
+  func-name-matching: error
+  func-names: error
+  func-style:
+    - error
+    - declaration
+    - allowArrowFunctions: true
+  function-call-argument-newline:
+    - error
+    - consistent
+  function-paren-newline: 'off'
+  generator-star-spacing: error
+  global-require: 'off'
+  grouped-accessor-pairs: 'off'
+  guard-for-in: error
+  handle-callback-err: error
+  id-blacklist: error
+  id-length: 'off'
+  id-match: error
+  implicit-arrow-linebreak:
+    - error
+    - beside
+  indent:
+    - error
+    - 4
+  indent-legacy: 'off'
+  init-declarations: error
+  jsx-quotes: error
+  key-spacing: error
+  keyword-spacing:
+    - error
+    - after: true
+      before: true
+  line-comment-position: 'off'
+  linebreak-style:
+    - error
+    - unix
+  lines-around-comment: error
+  lines-around-directive: error
+  lines-between-class-members:
+    - error
+    - always
+  max-classes-per-file: 'off'
+  max-depth: error
+  max-len: 'off'
+  max-lines: 'off'
+  max-lines-per-function: 'off'
+  max-nested-callbacks: error
+  max-params: 'off'
+  max-statements: 'off'
+  max-statements-per-line: error
+  multiline-comment-style:
+    - error
+    - separate-lines
+  multiline-ternary: 'off'
+  new-cap: error
+  new-parens: error
+  newline-after-var: 'off'
+  newline-before-return: 'off'
+  newline-per-chained-call: 'off'
+  no-alert: 'off'
+  no-array-constructor: error
+  no-await-in-loop: error
+  no-bitwise: 'off'
+  no-buffer-constructor: 'off'
+  no-caller: error
+  no-catch-shadow: error
+  no-confusing-arrow: error
+  no-console: error
+  no-constructor-return: error
+  no-continue: 'off'
+  no-div-regex: 'off'
+  no-duplicate-imports: error
+  no-else-return: 'off'
+  no-empty-function: 'off'
+  no-eq-null: error
+  no-eval: error
+  no-extend-native: error
+  no-extra-bind: error
+  no-extra-label: error
+  no-extra-parens: 'off'
+  no-floating-decimal: error
+  no-implicit-globals: error
+  no-implied-eval: error
+  no-inline-comments: 'off'
+  no-invalid-this: error
+  no-iterator: error
+  no-label-var: error
+  no-labels: error
+  no-lone-blocks: error
+  no-lonely-if: error
+  no-loop-func: 'off'
+  no-loss-of-precision: error
+  no-magic-numbers: 'off'
+  no-mixed-operators: error
+  no-mixed-requires: error
+  no-multi-assign: error
+  no-multi-spaces:
+    - error
+    - ignoreEOLComments: true
+  no-multi-str: error
+  no-multiple-empty-lines: error
+  no-native-reassign: error
+  no-negated-condition: 'off'
+  no-negated-in-lhs: error
+  no-nested-ternary: error
+  no-new: 'off'
+  no-new-func: error
+  no-new-object: error
+  no-new-require: error
+  no-new-wrappers: error
+  no-octal-escape: error
+  no-param-reassign: 'off'
+  no-path-concat: error
+  no-plusplus: 'off'
+  no-process-env: error
+  no-process-exit: error
+  no-proto: error
+  no-restricted-exports: error
+  no-restricted-globals: error
+  no-restricted-imports: error
+  no-restricted-modules: error
+  no-restricted-properties: error
+  no-restricted-syntax: error
+  no-return-assign: error
+  no-return-await: error
+  no-script-url: error
+  no-self-compare: error
+  no-sequences: error
+  no-shadow: 'off'
+  no-spaced-func: error
+  no-sync: error
+  no-tabs: error
+  no-template-curly-in-string: error
+  no-ternary: 'off'
+  no-throw-literal: 'off'
+  no-trailing-spaces: error
+  no-undef-init: error
+  no-undefined: 'off'
+  no-underscore-dangle: 'off'
+  no-unmodified-loop-condition: error
+  no-unneeded-ternary: error
+  no-unused-expressions: error
+  no-unused-vars: 'off'
+  no-use-before-define: 'off'
+  no-useless-backreference: error
+  no-useless-call: error
+  no-useless-computed-key: error
+  no-useless-concat: error
+  no-useless-constructor: error
+  no-useless-escape: 'off'
+  no-useless-rename: error
+  no-useless-return: error
+  no-var: 'off'
+  no-void: error
+  no-warning-comments: warn
+  no-whitespace-before-property: error
+  nonblock-statement-body-position: error
+  object-curly-newline: error
+  object-curly-spacing:
+    - error
+    - never
+  object-shorthand: 'off'
+  one-var: 'off'
+  one-var-declaration-per-line: error
+  operator-assignment:
+    - error
+    - always
+  operator-linebreak: 'off'
+  padded-blocks: 'off'
+  padding-line-between-statements: error
+  prefer-arrow-callback: error
+  prefer-const: 'off'
+  prefer-destructuring: 'off'
+  prefer-exponentiation-operator: 'off'
+  prefer-named-capture-group: 'off'
+  prefer-numeric-literals: error
+  prefer-object-spread: 'off'
+  prefer-promise-reject-errors: 'off'
+  prefer-reflect: 'off'
+  prefer-regex-literals: warn
+  prefer-rest-params: 'off'
+  prefer-spread: 'off'
+  prefer-template: 'off'
+  quote-props: 'off'
+  quotes: 'off'
+  radix:
+    - error
+    - as-needed
+  require-atomic-updates: error
+  require-await: error
+  require-jsdoc: 'off'
+  require-unicode-regexp: 'off'
+  rest-spread-spacing: error
+  semi: 'off'
+  semi-spacing:
+    - error
+    - after: true
+      before: false
+  semi-style:
+    - error
+    - last
+  sort-imports: error
+  sort-keys: 'off'
+  sort-vars: error
+  space-before-blocks: error
+  space-before-function-paren: 'off'
+  space-in-parens:
+    - error
+    - never
+  space-infix-ops: error
+  space-unary-ops: error
+  spaced-comment:
+    - error
+    - always
+  strict: error
+  switch-colon-spacing: error
+  symbol-description: error
+  template-curly-spacing:
+    - error
+    - never
+  template-tag-spacing: error
+  unicode-bom:
+    - error
+    - never
+  valid-jsdoc: error
+  vars-on-top: error
+  wrap-iife: error
+  wrap-regex: error
+  yield-star-spacing: error
+  yoda: 'off'
diff --git a/client/js/api.js b/client/js/api.js
index 07ec5ec..303c077 100644
--- a/client/js/api.js
+++ b/client/js/api.js
@@ -377,8 +377,9 @@ class Api extends events.EventTarget {
             try {
                 if (this.userName && this.token) {
                     req.auth = null;
-                    req.set('Authorization', 'Token '
-                        + new Buffer(this.userName + ":" + this.token).toString('base64'))
+                    // eslint-disable-next-line no-undef
+                    req.set('Authorization', 'Token ' + new Buffer(
+                        this.userName + ":" + this.token).toString('base64'))
                 } else if (this.userName && this.userPassword) {
                     req.auth(
                         this.userName,
diff --git a/client/js/controllers/comments_controller.js b/client/js/controllers/comments_controller.js
index 2de638c..67e44ac 100644
--- a/client/js/controllers/comments_controller.js
+++ b/client/js/controllers/comments_controller.js
@@ -34,7 +34,9 @@ class CommentsController {
             requestPage: (offset, limit) => {
                 return PostList.search(
                     'sort:comment-date comment-count-min:1',
-                    offset, limit, fields);
+                    offset,
+                    limit,
+                    fields);
             },
             pageRenderer: pageCtx => {
                 Object.assign(pageCtx, {
@@ -68,9 +70,10 @@ class CommentsController {
         e.detail.comment.delete()
             .catch(error => window.alert(error.message));
     }
-};
+}
 
 module.exports = router => {
-    router.enter(['comments'],
-        (ctx, next) => { new CommentsController(ctx); });
-};
+    router.enter(['comments'], (ctx, next) => {
+        new CommentsController(ctx);
+    });
+}
diff --git a/client/js/controllers/home_controller.js b/client/js/controllers/home_controller.js
index cc22ca9..590da67 100644
--- a/client/js/controllers/home_controller.js
+++ b/client/js/controllers/home_controller.js
@@ -41,10 +41,10 @@ class HomeController {
     showError(message) {
         this._homeView.showError(message);
     }
-};
+}
 
 module.exports = router => {
     router.enter([], (ctx, next) => {
         ctx.controller = new HomeController();
     });
-};
+}
diff --git a/client/js/controllers/not_found_controller.js b/client/js/controllers/not_found_controller.js
index 66f52e9..8ceeef0 100644
--- a/client/js/controllers/not_found_controller.js
+++ b/client/js/controllers/not_found_controller.js
@@ -9,10 +9,10 @@ class NotFoundController {
         topNavigation.setTitle('Not found');
         this._notFoundView = new NotFoundView(path);
     }
-};
+}
 
 module.exports = router => {
     router.enter(null, (ctx, next) => {
         ctx.controller = new NotFoundController(ctx.canonicalPath);
     });
-};
+}
diff --git a/client/js/controllers/post_detail_controller.js b/client/js/controllers/post_detail_controller.js
index 47d5430..bd9c2e6 100644
--- a/client/js/controllers/post_detail_controller.js
+++ b/client/js/controllers/post_detail_controller.js
@@ -57,7 +57,8 @@ class PostDetailController extends BasePostController {
         if (this._id !== e.detail.post.id) {
             router.replace(
                 uri.formatClientLink('post', e.detail.post.id, section),
-                null, false);
+                null,
+                false);
         }
     }
 
@@ -71,7 +72,8 @@ class PostDetailController extends BasePostController {
                 router.replace(
                     uri.formatClientLink(
                         'post', e.detail.targetPost.id, 'merge'),
-                    null, false);
+                    null,
+                    false);
             }, error => {
                 this._view.showError(error.message);
                 this._view.enableForm();
diff --git a/client/js/controllers/post_list_controller.js b/client/js/controllers/post_list_controller.js
index fd1adfe..d783607 100644
--- a/client/js/controllers/post_list_controller.js
+++ b/client/js/controllers/post_list_controller.js
@@ -13,7 +13,8 @@ const EmptyView = require('../views/empty_view.js');
 
 const fields = [
     'id', 'thumbnailUrl', 'type', 'safety',
-    'score', 'favoriteCount', 'commentCount', 'tags', 'version'];
+    'score', 'favoriteCount', 'commentCount', 'tags', 'version'
+];
 
 class PostListController {
     constructor(ctx) {
@@ -62,8 +63,7 @@ class PostListController {
 
     _evtTag(e) {
         Promise.all(
-            this._bulkEditTags.map(tag =>
-                e.detail.post.tags.addByName(tag)))
+            this._bulkEditTags.map(tag => e.detail.post.tags.addByName(tag)))
             .then(e.detail.post.save())
             .catch(error => window.alert(error.message));
     }
@@ -117,5 +117,7 @@ class PostListController {
 module.exports = router => {
     router.enter(
         ['posts'],
-        (ctx, next) => { ctx.controller = new PostListController(ctx); });
+        (ctx, next) => {
+            ctx.controller = new PostListController(ctx);
+        });
 };
diff --git a/client/js/controllers/post_main_controller.js b/client/js/controllers/post_main_controller.js
index 1914852..924e918 100644
--- a/client/js/controllers/post_main_controller.js
+++ b/client/js/controllers/post_main_controller.js
@@ -18,10 +18,10 @@ class PostMainController extends BasePostController {
 
         let parameters = ctx.parameters;
         Promise.all([
-                Post.get(ctx.parameters.id),
-                PostList.getAround(
-                    ctx.parameters.id,
-                    parameters ? parameters.query : null),
+            Post.get(ctx.parameters.id),
+            PostList.getAround(
+                ctx.parameters.id,
+                parameters ? parameters.query : null),
         ]).then(responses => {
             const [post, aroundResponse] = responses;
 
diff --git a/client/js/controllers/post_upload_controller.js b/client/js/controllers/post_upload_controller.js
index 1124ff7..f16aaf0 100644
--- a/client/js/controllers/post_upload_controller.js
+++ b/client/js/controllers/post_upload_controller.js
@@ -57,33 +57,32 @@ class PostUploadController {
         this._view.clearMessages();
 
         e.detail.uploadables.reduce(
-            (promise, uploadable) =>
-                promise.then(() => this._uploadSinglePost(
-                    uploadable, e.detail.skipDuplicates)),
+            (promise, uploadable) => promise.then(() => this._uploadSinglePost(
+                uploadable, e.detail.skipDuplicates)),
             Promise.resolve())
-                .then(() => {
-                    this._view.clearMessages();
-                    misc.disableExitConfirmation();
-                    const ctx = router.show(uri.formatClientLink('posts'));
-                    ctx.controller.showSuccess('Posts uploaded.');
-                }, error => {
-                    if (error.uploadable) {
-                        if (error.similarPosts) {
-                            error.uploadable.lookalikes = error.similarPosts;
-                            this._view.updateUploadable(error.uploadable);
-                            this._view.showInfo(genericErrorMessage);
-                            this._view.showInfo(
-                                error.message, error.uploadable);
-                        } else {
-                            this._view.showError(genericErrorMessage);
-                            this._view.showError(
-                                error.message, error.uploadable);
-                        }
+            .then(() => {
+                this._view.clearMessages();
+                misc.disableExitConfirmation();
+                const ctx = router.show(uri.formatClientLink('posts'));
+                ctx.controller.showSuccess('Posts uploaded.');
+            }, error => {
+                if (error.uploadable) {
+                    if (error.similarPosts) {
+                        error.uploadable.lookalikes = error.similarPosts;
+                        this._view.updateUploadable(error.uploadable);
+                        this._view.showInfo(genericErrorMessage);
+                        this._view.showInfo(
+                            error.message, error.uploadable);
                     } else {
-                        this._view.showError(error.message);
+                        this._view.showError(genericErrorMessage);
+                        this._view.showError(
+                            error.message, error.uploadable);
                     }
-                    this._view.enableForm();
-                });
+                } else {
+                    this._view.showError(error.message);
+                }
+                this._view.enableForm();
+            });
     }
 
     _uploadSinglePost(uploadable, skipDuplicates) {
@@ -153,7 +152,9 @@ class PostUploadController {
         post.newContent = uploadable.url || uploadable.file;
         // if uploadable.source is ever going to be a valid field (e.g when setting source directly in the upload window)
         // you'll need to change the line below to `post.source = uploadable.source || uploadable.url;`
-        if (uploadable.url) post.source = uploadable.url;
+        if (uploadable.url) {
+            post.source = uploadable.url;
+        }
         return post;
     }
 }
diff --git a/client/js/controllers/settings_controller.js b/client/js/controllers/settings_controller.js
index 224b205..7765143 100644
--- a/client/js/controllers/settings_controller.js
+++ b/client/js/controllers/settings_controller.js
@@ -19,7 +19,7 @@ class SettingsController {
         settings.save(e.detail);
         this._view.showSuccess('Settings saved.');
     }
-};
+}
 
 module.exports = router => {
     router.enter(['settings'], (ctx, next) => {
diff --git a/client/js/controllers/snapshots_controller.js b/client/js/controllers/snapshots_controller.js
index e64b9db..0e9b773 100644
--- a/client/js/controllers/snapshots_controller.js
+++ b/client/js/controllers/snapshots_controller.js
@@ -45,5 +45,7 @@ class SnapshotsController {
 
 module.exports = router => {
     router.enter(['history'],
-        (ctx, next) => { ctx.controller = new SnapshotsController(ctx); });
+        (ctx, next) => {
+            ctx.controller = new SnapshotsController(ctx);
+        });
 };
diff --git a/client/js/controllers/tag_controller.js b/client/js/controllers/tag_controller.js
index d64ab22..71405dc 100644
--- a/client/js/controllers/tag_controller.js
+++ b/client/js/controllers/tag_controller.js
@@ -69,7 +69,8 @@ class TagController {
         if (this._name !== e.detail.tag.names[0]) {
             router.replace(
                 uri.formatClientLink('tag', e.detail.tag.names[0], section),
-                null, false);
+                null,
+                false);
         }
     }
 
@@ -105,7 +106,8 @@ class TagController {
                 router.replace(
                     uri.formatClientLink(
                         'tag', e.detail.targetTagName, 'merge'),
-                    null, false);
+                    null,
+                    false);
             }, error => {
                 this._view.showError(error.message);
                 this._view.enableForm();
diff --git a/client/js/controllers/tag_list_controller.js b/client/js/controllers/tag_list_controller.js
index 8bc7dbb..db31cc6 100644
--- a/client/js/controllers/tag_list_controller.js
+++ b/client/js/controllers/tag_list_controller.js
@@ -16,7 +16,8 @@ const fields = [
     'implications',
     'creationTime',
     'usages',
-    'category'];
+    'category'
+];
 
 class TagListController {
     constructor(ctx) {
@@ -81,5 +82,7 @@ class TagListController {
 module.exports = router => {
     router.enter(
         ['tags'],
-        (ctx, next) => { ctx.controller = new TagListController(ctx); });
+        (ctx, next) => {
+            ctx.controller = new TagListController(ctx);
+        });
 };
diff --git a/client/js/controllers/user_controller.js b/client/js/controllers/user_controller.js
index 48989af..e192d87 100644
--- a/client/js/controllers/user_controller.js
+++ b/client/js/controllers/user_controller.js
@@ -42,7 +42,7 @@ class UserController {
             userTokenPromise,
             User.get(userName)
         ]).then(responses => {
-            const [userTokens, user]  = responses;
+            const [userTokens, user] = responses;
             const isLoggedIn = api.isLoggedIn(user);
             const infix = isLoggedIn ? 'self' : 'any';
 
@@ -133,7 +133,8 @@ class UserController {
         if (this._name !== e.detail.user.name) {
             router.replace(
                 uri.formatClientLink('user', e.detail.user.name, section),
-                null, false);
+                null,
+                false);
         }
     }
 
diff --git a/client/js/controllers/user_list_controller.js b/client/js/controllers/user_list_controller.js
index fa878d8..13dcf43 100644
--- a/client/js/controllers/user_list_controller.js
+++ b/client/js/controllers/user_list_controller.js
@@ -51,7 +51,7 @@ class UserListController {
             defaultLimit: 30,
             getClientUrlForPage: (offset, limit) => {
                 const parameters = Object.assign(
-                    {}, this._ctx.parameters, {offset, offset, limit: limit});
+                    {}, this._ctx.parameters, {offset: offset, limit: limit});
                 return uri.formatClientLink('users', parameters);
             },
             requestPage: (offset, limit) => {
@@ -71,5 +71,7 @@ class UserListController {
 module.exports = router => {
     router.enter(
         ['users'],
-        (ctx, next) => { ctx.controller = new UserListController(ctx); });
+        (ctx, next) => {
+            ctx.controller = new UserListController(ctx);
+        });
 };
diff --git a/client/js/controls/auto_complete_control.js b/client/js/controls/auto_complete_control.js
index 5ce3bb2..a802209 100644
--- a/client/js/controls/auto_complete_control.js
+++ b/client/js/controls/auto_complete_control.js
@@ -121,7 +121,9 @@ class AutoCompleteControl {
         document.body.appendChild(this._suggestionDiv);
 
         views.monitorNodeRemoval(
-            this._sourceInputNode, () => { this._uninstall(); });
+            this._sourceInputNode, () => {
+                this._uninstall();
+            });
     }
 
     _uninstall() {
@@ -137,13 +139,21 @@ class AutoCompleteControl {
             if (key === KEY_ESCAPE) {
                 func = this.hide;
             } else if (key === KEY_TAB && shift) {
-                func = () => { this._selectPrevious(); };
+                func = () => {
+                    this._selectPrevious();
+                };
             } else if (key === KEY_TAB && !shift) {
-                func = () => { this._selectNext(); };
+                func = () => {
+                    this._selectNext();
+                };
             } else if (key === KEY_UP) {
-                func = () => { this._selectPrevious(); };
+                func = () => {
+                    this._selectPrevious();
+                };
             } else if (key === KEY_DOWN) {
-                func = () => { this._selectNext(); };
+                func = () => {
+                    this._selectNext();
+                };
             } else if (key === KEY_RETURN && this._activeResult >= 0) {
                 func = () => {
                     this._confirm(this._getActiveSuggestion());
@@ -165,13 +175,17 @@ class AutoCompleteControl {
         } else {
             window.clearTimeout(this._showTimeout);
             this._showTimeout = window.setTimeout(
-                () => { this._showOrHide(); }, 250);
+                () => {
+                    this._showOrHide();
+                }, 250);
         }
     }
 
     _evtBlur(e) {
         window.clearTimeout(this._showTimeout);
-        window.setTimeout(() => { this.hide(); }, 50);
+        window.setTimeout(() => {
+            this.hide();
+        }, 50);
     }
 
     _getActiveSuggestion() {
@@ -261,10 +275,10 @@ class AutoCompleteControl {
         // choose where to view the suggestions: if there's more space above
         // the input - draw the suggestions above it, otherwise below
         const direction =
-            inputRect.top + inputRect.height / 2 < viewPortHeight / 2 ? 1 : -1;
+            inputRect.top + (inputRect.height / 2) < viewPortHeight / 2 ? 1 : -1;
 
         let x = inputRect.left - bodyRect.left;
-        let y = direction == 1 ?
+        let y = direction === 1 ?
             inputRect.bottom - bodyRect.top - verticalShift :
             inputRect.top - bodyRect.top - listRect.height + verticalShift;
 
@@ -276,7 +290,7 @@ class AutoCompleteControl {
             const prevHeight = listRect.height;
             listRect = this._suggestionDiv.getBoundingClientRect();
             const heightDelta = prevHeight - listRect.height;
-            if (direction == -1) {
+            if (direction === -1) {
                 y += heightDelta;
             }
         }
@@ -296,6 +310,6 @@ class AutoCompleteControl {
             activeItem.classList.add('active');
         }
     }
-};
+}
 
 module.exports = AutoCompleteControl;
diff --git a/client/js/controls/comment_control.js b/client/js/controls/comment_control.js
index 849dd4d..c105bc0 100644
--- a/client/js/controls/comment_control.js
+++ b/client/js/controls/comment_control.js
@@ -212,11 +212,6 @@ class CommentControl extends events.EventTarget {
         this._selectTab('preview');
     }
 
-    _evtEditClick(e) {
-        e.preventDefault();
-        this.enterEditMode();
-    }
-
     _evtSaveChangesClick(e) {
         e.preventDefault();
         this.dispatchEvent(new CustomEvent('submit', {
@@ -260,6 +255,6 @@ class CommentControl extends events.EventTarget {
     _forgetHeight() {
         this._heightKeeperNode.style.minHeight = null;
     }
-};
+}
 
 module.exports = CommentControl;
diff --git a/client/js/controls/comment_list_control.js b/client/js/controls/comment_list_control.js
index ddef71f..4f57fd2 100644
--- a/client/js/controls/comment_list_control.js
+++ b/client/js/controls/comment_list_control.js
@@ -54,6 +54,6 @@ class CommentListControl extends events.EventTarget {
     _evtRemove(e) {
         this._uninstallCommentNode(e.detail.comment);
     }
-};
+}
 
 module.exports = CommentListControl;
diff --git a/client/js/controls/expander_control.js b/client/js/controls/expander_control.js
index beb0e69..28a4ffb 100644
--- a/client/js/controls/expander_control.js
+++ b/client/js/controls/expander_control.js
@@ -39,6 +39,7 @@ class ExpanderControl {
         this._syncIcon();
     }
 
+    // eslint-disable-next-line accessor-pairs
     set title(newTitle) {
         if (this._expanderNode) {
             this._expanderNode
diff --git a/client/js/controls/post_content_control.js b/client/js/controls/post_content_control.js
index 856fb77..d1848b3 100644
--- a/client/js/controls/post_content_control.js
+++ b/client/js/controls/post_content_control.js
@@ -107,7 +107,9 @@ class PostContentControl {
         this._reinstall();
         optimizedResize.add(() => this._refreshSize());
         views.monitorNodeRemoval(
-            this._hostNode, () => { this._uninstall(); });
+            this._hostNode, () => {
+                this._uninstall();
+            });
     }
 
     _reinstall() {
diff --git a/client/js/controls/post_edit_sidebar_control.js b/client/js/controls/post_edit_sidebar_control.js
index 030bb7a..11ce210 100644
--- a/client/js/controls/post_edit_sidebar_control.js
+++ b/client/js/controls/post_edit_sidebar_control.js
@@ -37,7 +37,6 @@ class PostEditSidebarControl extends events.EventTarget {
             canEditPostFlags: api.hasPrivilege('posts:edit:flags'),
             canEditPostContent: api.hasPrivilege('posts:edit:content'),
             canEditPostThumbnail: api.hasPrivilege('posts:edit:thumbnail'),
-            canEditPostSource : api.hasPrivilege('posts:edit:source'),
             canCreateAnonymousPosts: api.hasPrivilege('posts:create:anonymous'),
             canDeletePosts: api.hasPrivilege('posts:delete'),
             canFeaturePosts: api.hasPrivilege('posts:feature'),
@@ -78,8 +77,7 @@ class PostEditSidebarControl extends events.EventTarget {
 
         if (this._contentInputNode) {
             this._contentFileDropper = new FileDropperControl(
-                this._contentInputNode, {
-                    allowUrls: true,
+                this._contentInputNode, {allowUrls: true,
                     lock: true,
                     urlPlaceholder: '...or paste an URL here.'});
             this._contentFileDropper.addEventListener('fileadd', e => {
@@ -284,6 +282,7 @@ class PostEditSidebarControl extends events.EventTarget {
         try {
             success = document.execCommand('copy');
         } catch (err) {
+            // continue regardless of error
         }
         textarea.blur();
         document.body.removeChild(textarea);
@@ -383,10 +382,16 @@ class PostEditSidebarControl extends events.EventTarget {
     }
 
     get _videoFlags() {
-        if (!this._loopVideoInputNode) return undefined;
+        if (!this._loopVideoInputNode) {
+            return undefined;
+        }
         let ret = [];
-        if (this._loopVideoInputNode.checked) ret.push('loop');
-        if (this._soundVideoInputNode.checked) ret.push('sound');
+        if (this._loopVideoInputNode.checked) {
+            ret.push('loop');
+        }
+        if (this._soundVideoInputNode.checked) {
+            ret.push('sound');
+        }
         return ret;
     }
 
@@ -462,6 +467,6 @@ class PostEditSidebarControl extends events.EventTarget {
     showError(message) {
         views.showError(this._hostNode, message);
     }
-};
+}
 
 module.exports = PostEditSidebarControl;
diff --git a/client/js/controls/post_notes_overlay_control.js b/client/js/controls/post_notes_overlay_control.js
index bbea095..7bf69b2 100644
--- a/client/js/controls/post_notes_overlay_control.js
+++ b/client/js/controls/post_notes_overlay_control.js
@@ -48,7 +48,7 @@ function _getNoteCentroid(note) {
         const y0 = note.polygon.at(i).y;
         const x1 = note.polygon.at((i + 1) % vertexCount).x;
         const y1 = note.polygon.at((i + 1) % vertexCount).y;
-        const a = x0 * y1 - x1 * y0;
+        const a = (x0 * y1) - (x1 * y0);
         signedArea += a;
         centroid.x += (x0 + x1) * a;
         centroid.y += (y0 + y1) * a;
@@ -188,12 +188,12 @@ class SelectedState extends ActiveState {
     evtCanvasKeyDown(e) {
         const delta = e.ctrlKey ? 10 : 1;
         const offsetMap = {
-            [KEY_LEFT]:  [-delta, 0],
-            [KEY_UP]:    [0, -delta],
-            [KEY_DOWN]:  [0, delta],
+            [KEY_LEFT]: [-delta, 0],
+            [KEY_UP]: [0, -delta],
+            [KEY_DOWN]: [0, delta],
             [KEY_RIGHT]: [delta, 0],
         };
-        if (offsetMap.hasOwnProperty(e.which)) {
+        if (Object.prototype.hasOwnProperty.call(offsetMap, e.witch)) {
             e.stopPropagation();
             e.stopImmediatePropagation();
             e.preventDefault();
@@ -283,8 +283,8 @@ class SelectedState extends ActiveState {
         const origin = _getNoteCentroid(this._note);
         const originalSize = _getNoteSize(this._note);
         const targetSize = new Point(
-            originalSize.x + x / this._control.boundingBox.width,
-            originalSize.y + y / this._control.boundingBox.height);
+            originalSize.x + (x / this._control.boundingBox.width),
+            originalSize.y + (y / this._control.boundingBox.height));
         const scale = new Point(
             targetSize.x / originalSize.x,
             targetSize.y / originalSize.y);
@@ -305,7 +305,7 @@ class MovingPointState extends ActiveState {
     }
 
     evtCanvasKeyDown(e) {
-        if (e.which == KEY_ESCAPE) {
+        if (e.which === KEY_ESCAPE) {
             this._notePoint.x = this._originalNotePoint.x;
             this._notePoint.y = this._originalNotePoint.y;
             this._control._state = new SelectedState(this._control, this._note);
@@ -333,7 +333,7 @@ class MovingNoteState extends ActiveState {
     }
 
     evtCanvasKeyDown(e) {
-        if (e.which == KEY_ESCAPE) {
+        if (e.which === KEY_ESCAPE) {
             for (let i of misc.range(this._note.polygon.length)) {
                 this._note.polygon.at(i).x = this._originalPolygon[i].x;
                 this._note.polygon.at(i).y = this._originalPolygon[i].y;
@@ -366,7 +366,7 @@ class ScalingNoteState extends ActiveState {
     }
 
     evtCanvasKeyDown(e) {
-        if (e.which == KEY_ESCAPE) {
+        if (e.which === KEY_ESCAPE) {
             for (let i of misc.range(this._note.polygon.length)) {
                 this._note.polygon.at(i).x = this._originalPolygon[i].x;
                 this._note.polygon.at(i).y = this._originalPolygon[i].y;
@@ -384,12 +384,12 @@ class ScalingNoteState extends ActiveState {
             const originalPolygonPoint = this._originalPolygon[i];
             polygonPoint.x =
                 originalMousePoint.x +
-                (originalPolygonPoint.x - originalMousePoint.x) *
-                (1 + (mousePoint.x - originalMousePoint.x) / originalSize.x);
+                ((originalPolygonPoint.x - originalMousePoint.x) *
+                (1 + ((mousePoint.x - originalMousePoint.x) / originalSize.x)));
             polygonPoint.y =
                 originalMousePoint.y +
-                (originalPolygonPoint.y - originalMousePoint.y) *
-                (1 + (mousePoint.y - originalMousePoint.y) / originalSize.y);
+                ((originalPolygonPoint.y - originalMousePoint.y) *
+                (1 + ((mousePoint.y - originalMousePoint.y) / originalSize.y)));
         }
     }
 
@@ -466,12 +466,12 @@ class DrawingPolygonState extends ActiveState {
     }
 
     evtCanvasKeyDown(e) {
-        if (e.which == KEY_ESCAPE) {
+        if (e.which === KEY_ESCAPE) {
             this._note.polygon.remove(this._note.polygon.secondLastPoint);
             if (this._note.polygon.length === 1) {
                 this._cancel();
             }
-        } else if (e.which == KEY_RETURN) {
+        } else if (e.which === KEY_RETURN) {
             this._finish();
         }
     }
@@ -674,13 +674,13 @@ class PostNotesOverlayControl extends events.EventTarget {
         const x = (
             -bodyRect.left +
             svgRect.left +
-            svgRect.width * centroid.x -
-            noteRect.width / 2);
+            (svgRect.width * centroid.x) -
+            (noteRect.width / 2));
         const y = (
             -bodyRect.top +
             svgRect.top +
-            svgRect.height * centroid.y -
-            noteRect.height / 2);
+            (svgRect.height * centroid.y) -
+            (noteRect.height / 2));
         this._textNode.style.left = x + 'px';
         this._textNode.style.top = y + 'px';
     }
diff --git a/client/js/controls/post_readonly_sidebar_control.js b/client/js/controls/post_readonly_sidebar_control.js
index 0d66252..388c238 100644
--- a/client/js/controls/post_readonly_sidebar_control.js
+++ b/client/js/controls/post_readonly_sidebar_control.js
@@ -197,6 +197,6 @@ class PostReadonlySidebarControl extends events.EventTarget {
     _evtChangeScore(e) {
         this._installScore();
     }
-};
+}
 
 module.exports = PostReadonlySidebarControl;
diff --git a/client/js/controls/tag_auto_complete_control.js b/client/js/controls/tag_auto_complete_control.js
index 3d9130e..f8d3f6c 100644
--- a/client/js/controls/tag_auto_complete_control.js
+++ b/client/js/controls/tag_auto_complete_control.js
@@ -36,22 +36,21 @@ class TagAutoCompleteControl extends AutoCompleteControl {
             const term = misc.escapeSearchTerm(text);
             const query = (
                 text.length < minLengthForPartialSearch
-                ? term + '*'
-                : '*' + term + '*') + ' sort:usages';
+                    ? term + '*'
+                    : '*' + term + '*') + ' sort:usages';
 
             return new Promise((resolve, reject) => {
                 TagList.search(
-                    query, 0, this._options.maxResults,
-                    ['names', 'category', 'usages'])
-                .then(
-                    response => resolve(
-                        _tagListToMatches(response.results, this._options)),
-                    reject);
+                    query, 0, this._options.maxResults, ['names', 'category', 'usages'])
+                    .then(
+                        response => resolve(
+                            _tagListToMatches(response.results, this._options)),
+                        reject);
             });
         };
 
         super(input, options);
     }
-};
+}
 
 module.exports = TagAutoCompleteControl;
diff --git a/client/js/controls/tag_input_control.js b/client/js/controls/tag_input_control.js
index 1ad0957..e0b1339 100644
--- a/client/js/controls/tag_input_control.js
+++ b/client/js/controls/tag_input_control.js
@@ -51,7 +51,7 @@ class SuggestionList {
     }
 
     set(suggestion, weight) {
-        if (this._suggestions.hasOwnProperty(suggestion)) {
+        if (Object.prototype.hasOwnProperty.call(this._suggestions, suggestion)) {
             weight = Math.max(weight, this._suggestions[suggestion]);
         }
         this._suggestions[suggestion] = weight;
@@ -72,7 +72,7 @@ class SuggestionList {
         tuples.sort((a, b) => {
             let weightDiff = b[1] - a[1];
             let nameDiff = a[0].localeCompare(b[0]);
-            return weightDiff == 0 ? nameDiff : weightDiff;
+            return weightDiff === 0 ? nameDiff : weightDiff;
         });
         return tuples.map(tuple => {
             return {tagName: tuple[0], weight: tuple[1]};
@@ -102,7 +102,7 @@ class TagInputControl extends events.EventTarget {
                 },
                 confirm: tag => {
                     this._tagInputNode.value = '';
-                    // XXX: tags from autocomplete don't contain implications
+                    // note: tags from autocomplete don't contain implications
                     // so they need to be looked up in API
                     this.addTagByName(tag.names[0], SOURCE_USER_INPUT);
                 },
@@ -160,7 +160,7 @@ class TagInputControl extends events.EventTarget {
     }
 
     addTag(tag, source) {
-        if (source != SOURCE_INIT && this.tags.isTaggedWith(tag.names[0])) {
+        if (source !== SOURCE_INIT && this.tags.isTaggedWith(tag.names[0])) {
             const listItemNode = this._getListItemNode(tag);
             if (source !== SOURCE_IMPLICATION) {
                 listItemNode.classList.add('duplicate');
@@ -240,7 +240,7 @@ class TagInputControl extends events.EventTarget {
     }
 
     _evtInputKeyDown(e) {
-        if (e.which == KEY_RETURN || e.which == KEY_SPACE) {
+        if (e.which === KEY_RETURN || e.which === KEY_SPACE) {
             e.preventDefault();
             this._hideAutoComplete();
             this.addTagByText(this._tagInputNode.value, SOURCE_USER_INPUT);
@@ -328,8 +328,8 @@ class TagInputControl extends events.EventTarget {
             return;
         }
         api.get(
-                uri.formatApiLink('tag-siblings', tag.names[0]),
-                {noProgress: true})
+            uri.formatApiLink('tag-siblings', tag.names[0]),
+            {noProgress: true})
             .then(response => {
                 return Promise.resolve(response.results);
             }, response => {
diff --git a/client/js/events.js b/client/js/events.js
index e395214..945771a 100644
--- a/client/js/events.js
+++ b/client/js/events.js
@@ -11,7 +11,7 @@ class EventTarget {
             this[method] = this.eventTarget[method].bind(this.eventTarget);
         }
     }
-};
+}
 
 function proxyEvent(source, target, sourceEventType, targetEventType) {
     if (!source.addEventListener) {
diff --git a/client/js/main.js b/client/js/main.js
index dd974fd..cb0eb07 100644
--- a/client/js/main.js
+++ b/client/js/main.js
@@ -60,17 +60,17 @@ api.fetchConfig().then(() => {
     window.alert('Could not fetch basic configuration from server');
 }).then(() => {
     api.loginFromCookies().then(() => {
-            tags.refreshCategoryColorMap();
+        tags.refreshCategoryColorMap();
+        router.start();
+    }, error => {
+        if (window.location.href.indexOf('login') !== -1) {
+            api.forget();
             router.start();
-        }, error => {
-            if (window.location.href.indexOf('login') !== -1) {
-                api.forget();
-                router.start();
-            } else {
-                const ctx = router.start('/');
-                ctx.controller.showError(
-                    'An error happened while trying to log you in: ' +
+        } else {
+            const ctx = router.start('/');
+            ctx.controller.showError(
+                'An error happened while trying to log you in: ' +
                         error.message);
-            }
-        });
+        }
+    });
 });
diff --git a/client/js/models/comment.js b/client/js/models/comment.js
index e10e83c..e292ec4 100644
--- a/client/js/models/comment.js
+++ b/client/js/models/comment.js
@@ -22,16 +22,41 @@ class Comment extends events.EventTarget {
         return comment;
     }
 
-    get id()           { return this._id; }
-    get postId()       { return this._postId; }
-    get text()         { return this._text || ''; }
-    get user()         { return this._user; }
-    get creationTime() { return this._creationTime; }
-    get lastEditTime() { return this._lastEditTime; }
-    get score()        { return this._score; }
-    get ownScore()     { return this._ownScore; }
+    get id() {
+        return this._id;
+    }
 
-    set text(value)    { this._text = value; }
+    get postId() {
+        return this._postId;
+    }
+
+    get text() {
+        return this._text || '';
+    }
+
+    get user() {
+        return this._user;
+    }
+
+    get creationTime() {
+        return this._creationTime;
+    }
+
+    get lastEditTime() {
+        return this._lastEditTime;
+    }
+
+    get score() {
+        return this._score;
+    }
+
+    get ownScore() {
+        return this._ownScore;
+    }
+
+    set text(value) {
+        this._text = value;
+    }
 
     save() {
         const detail = {
@@ -56,8 +81,8 @@ class Comment extends events.EventTarget {
 
     delete() {
         return api.delete(
-                uri.formatApiLink('comment', this.id),
-                {version: this._version})
+            uri.formatApiLink('comment', this.id),
+            {version: this._version})
             .then(response => {
                 this.dispatchEvent(new CustomEvent('delete', {
                     detail: {
@@ -70,8 +95,8 @@ class Comment extends events.EventTarget {
 
     setScore(score) {
         return api.put(
-                uri.formatApiLink('comment', this.id, 'score'),
-                {score: score})
+            uri.formatApiLink('comment', this.id, 'score'),
+            {score: score})
             .then(response => {
                 this._updateFromResponse(response);
                 this.dispatchEvent(new CustomEvent('changeScore', {
@@ -84,15 +109,15 @@ class Comment extends events.EventTarget {
     }
 
     _updateFromResponse(response) {
-        this._version      = response.version;
-        this._id           = response.id;
-        this._postId       = response.postId;
-        this._text         = response.text;
-        this._user         = response.user;
+        this._version = response.version;
+        this._id = response.id;
+        this._postId = response.postId;
+        this._text = response.text;
+        this._user = response.user;
         this._creationTime = response.creationTime;
         this._lastEditTime = response.lastEditTime;
-        this._score        = parseInt(response.score);
-        this._ownScore     = parseInt(response.ownScore);
+        this._score = parseInt(response.score);
+        this._ownScore = parseInt(response.ownScore);
     }
 }
 
diff --git a/client/js/models/note.js b/client/js/models/note.js
index 877db4e..1709d44 100644
--- a/client/js/models/note.js
+++ b/client/js/models/note.js
@@ -11,10 +11,17 @@ class Note extends events.EventTarget {
         this._polygon = new PointList();
     }
 
-    get text() { return this._text; }
-    get polygon() { return this._polygon; }
+    get text() {
+        return this._text;
+    }
 
-    set text(value) { this._text = value; }
+    get polygon() {
+        return this._polygon;
+    }
+
+    set text(value) {
+        this._text = value;
+    }
 
     static fromResponse(response) {
         const note = new Note();
diff --git a/client/js/models/point.js b/client/js/models/point.js
index f1c551e..bbb05ec 100644
--- a/client/js/models/point.js
+++ b/client/js/models/point.js
@@ -9,8 +9,13 @@ class Point extends events.EventTarget {
         this._y = y;
     }
 
-    get x() { return this._x; }
-    get y() { return this._y; }
+    get x() {
+        return this._x;
+    }
+
+    get y() {
+        return this._y;
+    }
 
     set x(value) {
         this._x = value;
@@ -21,6 +26,6 @@ class Point extends events.EventTarget {
         this._y = value;
         this.dispatchEvent(new CustomEvent('change', {detail: {point: this}}));
     }
-};
+}
 
 module.exports = Point;
diff --git a/client/js/models/post.js b/client/js/models/post.js
index d2124ad..be21904 100644
--- a/client/js/models/post.js
+++ b/client/js/models/post.js
@@ -23,43 +23,141 @@ class Post extends events.EventTarget {
         this._updateFromResponse({});
     }
 
-    get id()                 { return this._id; }
-    get type()               { return this._type; }
-    get mimeType()           { return this._mimeType; }
-    get creationTime()       { return this._creationTime; }
-    get user()               { return this._user; }
-    get safety()             { return this._safety; }
-    get contentUrl()         { return this._contentUrl; }
-    get fullContentUrl()     { return this._fullContentUrl; }
-    get thumbnailUrl()       { return this._thumbnailUrl; }
-    get source()             { return this._source; }
-    get sourceSplit()        { return this._source.split('\n'); }
-    get canvasWidth()        { return this._canvasWidth || 800; }
-    get canvasHeight()       { return this._canvasHeight || 450; }
-    get fileSize()           { return this._fileSize || 0; }
-    get newContent()         { throw 'Invalid operation'; }
-    get newThumbnail()       { throw 'Invalid operation'; }
+    get id() {
+        return this._id;
+    }
 
-    get flags()              { return this._flags; }
-    get tags()               { return this._tags; }
-    get tagNames()           { return this._tags.map(tag => tag.names[0]); }
-    get notes()              { return this._notes; }
-    get comments()           { return this._comments; }
-    get relations()          { return this._relations; }
+    get type() {
+        return this._type;
+    }
 
-    get score()              { return this._score; }
-    get commentCount()       { return this._commentCount; }
-    get favoriteCount()      { return this._favoriteCount; }
-    get ownFavorite()        { return this._ownFavorite; }
-    get ownScore()           { return this._ownScore; }
-    get hasCustomThumbnail() { return this._hasCustomThumbnail; }
+    get mimeType() {
+        return this._mimeType;
+    }
 
-    set flags(value)         { this._flags = value; }
-    set safety(value)        { this._safety = value; }
-    set relations(value)     { this._relations = value; }
-    set newContent(value)    { this._newContent = value; }
-    set newThumbnail(value)  { this._newThumbnail = value; }
-    set source(value)        { this._source = value; }
+    get creationTime() {
+        return this._creationTime;
+    }
+
+    get user() {
+        return this._user;
+    }
+
+    get safety() {
+        return this._safety;
+    }
+
+    get contentUrl() {
+        return this._contentUrl;
+    }
+
+    get fullContentUrl() {
+        return this._fullContentUrl;
+    }
+
+    get thumbnailUrl() {
+        return this._thumbnailUrl;
+    }
+
+    get source() {
+        return this._source;
+    }
+
+    get sourceSplit() {
+        return this._source.split('\n');
+    }
+
+    get canvasWidth() {
+        return this._canvasWidth || 800;
+    }
+
+    get canvasHeight() {
+        return this._canvasHeight || 450;
+    }
+
+    get fileSize() {
+        return this._fileSize || 0;
+    }
+
+    get newContent() {
+        throw 'Invalid operation';
+    }
+
+    get newThumbnail() {
+        throw 'Invalid operation';
+    }
+
+    get flags() {
+        return this._flags;
+    }
+
+    get tags() {
+        return this._tags;
+    }
+
+    get tagNames() {
+        return this._tags.map(tag => tag.names[0]);
+    }
+
+    get notes() {
+        return this._notes;
+    }
+
+    get comments() {
+        return this._comments;
+    }
+
+    get relations() {
+        return this._relations;
+    }
+
+    get score() {
+        return this._score;
+    }
+
+    get commentCount() {
+        return this._commentCount;
+    }
+
+    get favoriteCount() {
+        return this._favoriteCount;
+    }
+
+    get ownFavorite() {
+        return this._ownFavorite;
+    }
+
+    get ownScore() {
+        return this._ownScore;
+    }
+
+    get hasCustomThumbnail() {
+        return this._hasCustomThumbnail;
+    }
+
+    set flags(value) {
+        this._flags = value;
+    }
+
+    set safety(value) {
+        this._safety = value;
+    }
+
+    set relations(value) {
+        this._relations = value;
+    }
+
+    set newContent(value) {
+        this._newContent = value;
+    }
+
+    set newThumbnail(value) {
+        this._newThumbnail = value;
+    }
+
+    set source(value) {
+        this._source = value;
+    }
 
     static fromResponse(response) {
         const ret = new Post();
@@ -158,8 +256,8 @@ class Post extends events.EventTarget {
 
     feature() {
         return api.post(
-                uri.formatApiLink('featured-post'),
-                {id: this._id})
+            uri.formatApiLink('featured-post'),
+            {id: this._id})
             .then(response => {
                 return Promise.resolve();
             });
@@ -167,8 +265,8 @@ class Post extends events.EventTarget {
 
     delete() {
         return api.delete(
-                uri.formatApiLink('post', this.id),
-                {version: this._version})
+            uri.formatApiLink('post', this.id),
+            {version: this._version})
             .then(response => {
                 this.dispatchEvent(new CustomEvent('delete', {
                     detail: {
@@ -202,8 +300,8 @@ class Post extends events.EventTarget {
 
     setScore(score) {
         return api.put(
-                uri.formatApiLink('post', this.id, 'score'),
-                {score: score})
+            uri.formatApiLink('post', this.id, 'score'),
+            {score: score})
             .then(response => {
                 const prevFavorite = this._ownFavorite;
                 this._updateFromResponse(response);
@@ -274,29 +372,29 @@ class Post extends events.EventTarget {
 
     _updateFromResponse(response) {
         const map = () => ({
-            _version:       response.version,
-            _id:            response.id,
-            _type:          response.type,
-            _mimeType:      response.mimeType,
-            _creationTime:  response.creationTime,
-            _user:          response.user,
-            _safety:        response.safety,
-            _contentUrl:    response.contentUrl,
+            _version: response.version,
+            _id: response.id,
+            _type: response.type,
+            _mimeType: response.mimeType,
+            _creationTime: response.creationTime,
+            _user: response.user,
+            _safety: response.safety,
+            _contentUrl: response.contentUrl,
             _fullContentUrl: new URL(response.contentUrl, document.getElementsByTagName('base')[0].href).href,
-            _thumbnailUrl:  response.thumbnailUrl,
-            _source:        response.source,
-            _canvasWidth:   response.canvasWidth,
-            _canvasHeight:  response.canvasHeight,
-            _fileSize:      response.fileSize,
+            _thumbnailUrl: response.thumbnailUrl,
+            _source: response.source,
+            _canvasWidth: response.canvasWidth,
+            _canvasHeight: response.canvasHeight,
+            _fileSize: response.fileSize,
 
-            _flags:         [...response.flags || []],
-            _relations:     [...response.relations || []],
+            _flags: [...response.flags || []],
+            _relations: [...response.relations || []],
 
-            _score:         response.score,
-            _commentCount:  response.commentCount,
+            _score: response.score,
+            _commentCount: response.commentCount,
             _favoriteCount: response.favoriteCount,
-            _ownScore:      response.ownScore,
-            _ownFavorite:   response.ownFavorite,
+            _ownScore: response.ownScore,
+            _ownFavorite: response.ownFavorite,
             _hasCustomThumbnail: response.hasCustomThumbnail,
         });
 
@@ -309,6 +407,6 @@ class Post extends events.EventTarget {
         Object.assign(this, map());
         Object.assign(this._orig, map());
     }
-};
+}
 
 module.exports = Post;
diff --git a/client/js/models/post_list.js b/client/js/models/post_list.js
index 74f089f..eae1128 100644
--- a/client/js/models/post_list.js
+++ b/client/js/models/post_list.js
@@ -18,13 +18,13 @@ class PostList extends AbstractList {
 
     static search(text, offset, limit, fields) {
         return api.get(
-                uri.formatApiLink(
-                    'posts', {
-                        query: PostList._decorateSearchQuery(text || ''),
-                        offset: offset,
-                        limit: limit,
-                        fields: fields.join(','),
-                    }))
+            uri.formatApiLink(
+                'posts', {
+                    query: PostList._decorateSearchQuery(text || ''),
+                    offset: offset,
+                    limit: limit,
+                    fields: fields.join(','),
+                }))
             .then(response => {
                 return Promise.resolve(Object.assign(
                     {},
diff --git a/client/js/models/settings.js b/client/js/models/settings.js
index b4b04bb..774aa0b 100644
--- a/client/js/models/settings.js
+++ b/client/js/models/settings.js
@@ -30,6 +30,7 @@ class Settings extends events.EventTarget {
         try {
             Object.assign(ret, JSON.parse(localStorage.getItem('settings')));
         } catch (e) {
+            // continue regardless of error
         }
         return ret;
     }
@@ -50,6 +51,6 @@ class Settings extends events.EventTarget {
     get() {
         return this.cache;
     }
-};
+}
 
 module.exports = new Settings();
diff --git a/client/js/models/snapshot.js b/client/js/models/snapshot.js
index 78b367c..cf5a308 100644
--- a/client/js/models/snapshot.js
+++ b/client/js/models/snapshot.js
@@ -10,12 +10,29 @@ class Snapshot extends events.EventTarget {
         this._updateFromResponse({});
     }
 
-    get operation() { return this._operation; }
-    get type()      { return this._type; }
-    get id()        { return this._id; }
-    get user()      { return this._user; }
-    get data()      { return this._data; }
-    get time()      { return this._time; }
+    get operation() {
+        return this._operation;
+    }
+
+    get type() {
+        return this._type;
+    }
+
+    get id() {
+        return this._id;
+    }
+
+    get user() {
+        return this._user;
+    }
+
+    get data() {
+        return this._data;
+    }
+
+    get time() {
+        return this._time;
+    }
 
     static fromResponse(response) {
         const ret = new Snapshot();
@@ -26,11 +43,11 @@ class Snapshot extends events.EventTarget {
     _updateFromResponse(response) {
         const map = {
             _operation: response.operation,
-            _type:      response.type,
-            _id:        response.id,
-            _user:      response.user,
-            _data:      response.data,
-            _time:      response.time,
+            _type: response.type,
+            _id: response.id,
+            _user: response.user,
+            _data: response.data,
+            _time: response.time,
         };
 
         Object.assign(this, map);
diff --git a/client/js/models/snapshot_list.js b/client/js/models/snapshot_list.js
index 3263a6a..475b89a 100644
--- a/client/js/models/snapshot_list.js
+++ b/client/js/models/snapshot_list.js
@@ -8,7 +8,7 @@ const Snapshot = require('./snapshot.js');
 class SnapshotList extends AbstractList {
     static search(text, offset, limit) {
         return api.get(uri.formatApiLink(
-                'snapshots', {query: text, offset: offset, limit: limit}))
+            'snapshots', {query: text, offset: offset, limit: limit}))
             .then(response => {
                 return Promise.resolve(Object.assign(
                     {},
diff --git a/client/js/models/tag.js b/client/js/models/tag.js
index c743554..b99c63f 100644
--- a/client/js/models/tag.js
+++ b/client/js/models/tag.js
@@ -20,18 +20,49 @@ class Tag extends events.EventTarget {
         this._updateFromResponse({});
     }
 
-    get names()             { return this._names; }
-    get category()          { return this._category; }
-    get description()       { return this._description; }
-    get suggestions()       { return this._suggestions; }
-    get implications()      { return this._implications; }
-    get postCount()         { return this._postCount; }
-    get creationTime()      { return this._creationTime; }
-    get lastEditTime()      { return this._lastEditTime; }
+    get names() {
+        return this._names;
+    }
 
-    set names(value)        { this._names = value; }
-    set category(value)     { this._category = value; }
-    set description(value)  { this._description = value; }
+    get category() {
+        return this._category;
+    }
+
+    get description() {
+        return this._description;
+    }
+
+    get suggestions() {
+        return this._suggestions;
+    }
+
+    get implications() {
+        return this._implications;
+    }
+
+    get postCount() {
+        return this._postCount;
+    }
+
+    get creationTime() {
+        return this._creationTime;
+    }
+
+    get lastEditTime() {
+        return this._lastEditTime;
+    }
+
+    set names(value) {
+        this._names = value;
+    }
+
+    set category(value) {
+        this._category = value;
+    }
+
+    set description(value) {
+        this._description = value;
+    }
 
     static fromResponse(response) {
         const ret = new Tag();
@@ -113,8 +144,8 @@ class Tag extends events.EventTarget {
 
     delete() {
         return api.delete(
-                uri.formatApiLink('tag', this._origName),
-                {version: this._version})
+            uri.formatApiLink('tag', this._origName),
+            {version: this._version})
             .then(response => {
                 this.dispatchEvent(new CustomEvent('delete', {
                     detail: {
@@ -127,14 +158,14 @@ class Tag extends events.EventTarget {
 
     _updateFromResponse(response) {
         const map = {
-            _version:      response.version,
-            _origName:     response.names ? response.names[0] : null,
-            _names:        response.names,
-            _category:     response.category,
-            _description:  response.description,
+            _version: response.version,
+            _origName: response.names ? response.names[0] : null,
+            _names: response.names,
+            _category: response.category,
+            _description: response.description,
             _creationTime: response.creationTime,
             _lastEditTime: response.lastEditTime,
-            _postCount:    response.usages || 0,
+            _postCount: response.usages || 0,
         };
 
         for (let obj of [this, this._orig]) {
@@ -145,6 +176,6 @@ class Tag extends events.EventTarget {
         Object.assign(this, map);
         Object.assign(this._orig, map);
     }
-};
+}
 
 module.exports = Tag;
diff --git a/client/js/models/tag_category.js b/client/js/models/tag_category.js
index 04bd8fe..42e54d8 100644
--- a/client/js/models/tag_category.js
+++ b/client/js/models/tag_category.js
@@ -7,22 +7,41 @@ const events = require('../events.js');
 class TagCategory extends events.EventTarget {
     constructor() {
         super();
-        this._name      = '';
-        this._color     = '#000000';
-        this._tagCount  = 0;
+        this._name = '';
+        this._color = '#000000';
+        this._tagCount = 0;
         this._isDefault = false;
-        this._origName  = null;
+        this._origName = null;
         this._origColor = null;
     }
 
-    get name()        { return this._name; }
-    get color()       { return this._color; }
-    get tagCount()    { return this._tagCount; }
-    get isDefault()   { return this._isDefault; }
-    get isTransient() { return !this._origName; }
+    get name() {
+        return this._name;
+    }
 
-    set name(value)   { this._name = value; }
-    set color(value)  { this._color = value; }
+    get color() {
+        return this._color;
+    }
+
+    get tagCount() {
+        return this._tagCount;
+    }
+
+    get isDefault() {
+        return this._isDefault;
+    }
+
+    get isTransient() {
+        return !this._origName;
+    }
+
+    set name(value) {
+        this._name = value;
+    }
+
+    set color(value) {
+        this._color = value;
+    }
 
     static fromResponse(response) {
         const ret = new TagCategory();
@@ -64,8 +83,8 @@ class TagCategory extends events.EventTarget {
 
     delete() {
         return api.delete(
-                uri.formatApiLink('tag-category', this._origName),
-                {version: this._version})
+            uri.formatApiLink('tag-category', this._origName),
+            {version: this._version})
             .then(response => {
                 this.dispatchEvent(new CustomEvent('delete', {
                     detail: {
@@ -77,12 +96,12 @@ class TagCategory extends events.EventTarget {
     }
 
     _updateFromResponse(response) {
-        this._version   = response.version;
-        this._name      = response.name;
-        this._color     = response.color;
+        this._version = response.version;
+        this._name = response.name;
+        this._color = response.color;
         this._isDefault = response.default;
-        this._tagCount  = response.usages;
-        this._origName  = this.name;
+        this._tagCount = response.usages;
+        this._origName = this.name;
         this._origColor = this.color;
     }
 }
diff --git a/client/js/models/tag_list.js b/client/js/models/tag_list.js
index d87b694..31a34fa 100644
--- a/client/js/models/tag_list.js
+++ b/client/js/models/tag_list.js
@@ -8,13 +8,13 @@ const Tag = require('./tag.js');
 class TagList extends AbstractList {
     static search(text, offset, limit, fields) {
         return api.get(
-                uri.formatApiLink(
-                    'tags', {
-                        query: text,
-                        offset: offset,
-                        limit: limit,
-                        fields: fields.join(','),
-                    }))
+            uri.formatApiLink(
+                'tags', {
+                    query: text,
+                    offset: offset,
+                    limit: limit,
+                    fields: fields.join(','),
+                }))
             .then(response => {
                 return Promise.resolve(Object.assign(
                     {},
diff --git a/client/js/models/top_navigation.js b/client/js/models/top_navigation.js
index bf2cffe..44ad671 100644
--- a/client/js/models/top_navigation.js
+++ b/client/js/models/top_navigation.js
@@ -12,7 +12,7 @@ class TopNavigationItem {
         this.imageUrl = imageUrl === undefined ? null : imageUrl;
         this.key = null;
     }
-};
+}
 
 class TopNavigation extends events.EventTarget {
     constructor() {
@@ -72,7 +72,7 @@ class TopNavigation extends events.EventTarget {
     hide(key) {
         this.get(key).available = false;
     }
-};
+}
 
 function _makeTopNavigation() {
     const ret = new TopNavigation();
diff --git a/client/js/models/user.js b/client/js/models/user.js
index abb5f57..40fbb14 100644
--- a/client/js/models/user.js
+++ b/client/js/models/user.js
@@ -11,28 +11,89 @@ class User extends events.EventTarget {
         this._updateFromResponse({});
     }
 
-    get name()               { return this._name; }
-    get rank()               { return this._rank; }
-    get email()              { return this._email; }
-    get avatarStyle()        { return this._avatarStyle; }
-    get avatarUrl()          { return this._avatarUrl; }
-    get creationTime()       { return this._creationTime; }
-    get lastLoginTime()      { return this._lastLoginTime; }
-    get commentCount()       { return this._commentCount; }
-    get favoritePostCount()  { return this._favoritePostCount; }
-    get uploadedPostCount()  { return this._uploadedPostCount; }
-    get likedPostCount()     { return this._likedPostCount; }
-    get dislikedPostCount()  { return this._dislikedPostCount; }
-    get rankName()           { return api.rankNames.get(this.rank); }
-    get avatarContent()      { throw 'Invalid operation'; }
-    get password()           { throw 'Invalid operation'; }
+    get name() {
+        return this._name;
+    }
 
-    set name(value)          { this._name = value; }
-    set rank(value)          { this._rank = value; }
-    set email(value)         { this._email = value || null; }
-    set avatarStyle(value)   { this._avatarStyle = value; }
-    set avatarContent(value) { this._avatarContent = value; }
-    set password(value)      { this._password = value; }
+    get rank() {
+        return this._rank;
+    }
+
+    get email() {
+        return this._email;
+    }
+
+    get avatarStyle() {
+        return this._avatarStyle;
+    }
+
+    get avatarUrl() {
+        return this._avatarUrl;
+    }
+
+    get creationTime() {
+        return this._creationTime;
+    }
+
+    get lastLoginTime() {
+        return this._lastLoginTime;
+    }
+
+    get commentCount() {
+        return this._commentCount;
+    }
+
+    get favoritePostCount() {
+        return this._favoritePostCount;
+    }
+
+    get uploadedPostCount() {
+        return this._uploadedPostCount;
+    }
+
+    get likedPostCount() {
+        return this._likedPostCount;
+    }
+
+    get dislikedPostCount() {
+        return this._dislikedPostCount;
+    }
+
+    get rankName() {
+        return api.rankNames.get(this.rank);
+    }
+
+    get avatarContent() {
+        throw 'Invalid operation';
+    }
+
+    get password() {
+        throw 'Invalid operation';
+    }
+
+    set name(value) {
+        this._name = value;
+    }
+
+    set rank(value) {
+        this._rank = value;
+    }
+
+    set email(value) {
+        this._email = value || null;
+    }
+
+    set avatarStyle(value) {
+        this._avatarStyle = value;
+    }
+
+    set avatarContent(value) {
+        this._avatarContent = value;
+    }
+
+    set password(value) {
+        this._password = value;
+    }
 
     static fromResponse(response) {
         const ret = new User();
@@ -91,8 +152,8 @@ class User extends events.EventTarget {
 
     delete() {
         return api.delete(
-                uri.formatApiLink('user', this._orig._name),
-                {version: this._version})
+            uri.formatApiLink('user', this._orig._name),
+            {version: this._version})
             .then(response => {
                 this.dispatchEvent(new CustomEvent('delete', {
                     detail: {
@@ -105,27 +166,27 @@ class User extends events.EventTarget {
 
     _updateFromResponse(response) {
         const map = {
-            _version:           response.version,
-            _name:              response.name,
-            _rank:              response.rank,
-            _email:             response.email,
-            _avatarStyle:       response.avatarStyle,
-            _avatarUrl:         response.avatarUrl,
-            _creationTime:      response.creationTime,
-            _lastLoginTime:     response.lastLoginTime,
-            _commentCount:      response.commentCount,
+            _version: response.version,
+            _name: response.name,
+            _rank: response.rank,
+            _email: response.email,
+            _avatarStyle: response.avatarStyle,
+            _avatarUrl: response.avatarUrl,
+            _creationTime: response.creationTime,
+            _lastLoginTime: response.lastLoginTime,
+            _commentCount: response.commentCount,
             _favoritePostCount: response.favoritePostCount,
             _uploadedPostCount: response.uploadedPostCount,
-            _likedPostCount:    response.likedPostCount,
+            _likedPostCount: response.likedPostCount,
             _dislikedPostCount: response.dislikedPostCount,
         };
 
         Object.assign(this, map);
         Object.assign(this._orig, map);
 
-        this._password          = null;
-        this._avatarContent     = null;
+        this._password = null;
+        this._avatarContent = null;
     }
-};
+}
 
 module.exports = User;
diff --git a/client/js/models/user_list.js b/client/js/models/user_list.js
index c48fc88..d44622c 100644
--- a/client/js/models/user_list.js
+++ b/client/js/models/user_list.js
@@ -8,8 +8,8 @@ const User = require('./user.js');
 class UserList extends AbstractList {
     static search(text, offset, limit) {
         return api.get(
-                uri.formatApiLink(
-                    'users', {query: text, offset: offset, limit: limit}))
+            uri.formatApiLink(
+                'users', {query: text, offset: offset, limit: limit}))
             .then(response => {
                 return Promise.resolve(Object.assign(
                     {},
diff --git a/client/js/models/user_token.js b/client/js/models/user_token.js
index 6e70a94..e49f5aa 100644
--- a/client/js/models/user_token.js
+++ b/client/js/models/user_token.js
@@ -11,16 +11,41 @@ class UserToken extends events.EventTarget {
         this._updateFromResponse({});
     }
 
-    get token()          { return this._token; }
-    get note()           { return this._note; }
-    get enabled()        { return this._enabled; }
-    get version()        { return this._version; }
-    get expirationTime() { return this._expirationTime; }
-    get creationTime()   { return this._creationTime; }
-    get lastEditTime()   { return this._lastEditTime; }
-    get lastUsageTime()  { return this._lastUsageTime; }
+    get token() {
+        return this._token;
+    }
 
-    set note(value)      { this._note = value; }
+    get note() {
+        return this._note;
+    }
+
+    get enabled() {
+        return this._enabled;
+    }
+
+    get version() {
+        return this._version;
+    }
+
+    get expirationTime() {
+        return this._expirationTime;
+    }
+
+    get creationTime() {
+        return this._creationTime;
+    }
+
+    get lastEditTime() {
+        return this._lastEditTime;
+    }
+
+    get lastUsageTime() {
+        return this._lastUsageTime;
+    }
+
+    set note(value) {
+        this._note = value;
+    }
 
     static fromResponse(response) {
         if (typeof response.results !== 'undefined') {
@@ -98,14 +123,14 @@ class UserToken extends events.EventTarget {
 
     _updateFromResponse(response) {
         const map = {
-            _token:           response.token,
-            _note:            response.note,
-            _enabled:         response.enabled,
-            _expirationTime:  response.expirationTime,
-            _version:         response.version,
-            _creationTime:    response.creationTime,
-            _lastEditTime:    response.lastEditTime,
-            _lastUsageTime:   response.lastUsageTime,
+            _token: response.token,
+            _note: response.note,
+            _enabled: response.enabled,
+            _expirationTime: response.expirationTime,
+            _version: response.version,
+            _creationTime: response.creationTime,
+            _lastEditTime: response.lastEditTime,
+            _lastUsageTime: response.lastUsageTime,
         };
 
         Object.assign(this, map);
diff --git a/client/js/router.js b/client/js/router.js
index dd9b9e1..b5b4855 100644
--- a/client/js/router.js
+++ b/client/js/router.js
@@ -51,7 +51,7 @@ class Context {
     replaceState() {
         history.replaceState(this.state, this.title, this.canonicalPath);
     }
-};
+}
 
 class Route {
     constructor(path) {
@@ -119,7 +119,7 @@ class Route {
 
         return true;
     }
-};
+}
 
 class Router {
     constructor() {
@@ -217,14 +217,14 @@ class Router {
         if (current === ctx.canonicalPath) {
             return;
         }
-        router.stop();
+        this.stop();
         location.href = ctx.canonicalPath;
     }
 
     get url() {
         return location.pathname + location.search + location.hash;
     }
-};
+}
 
 const _onPopState = router => {
     let loaded = false;
diff --git a/client/js/util/keyboard.js b/client/js/util/keyboard.js
index c3b9543..8ee6ee9 100644
--- a/client/js/util/keyboard.js
+++ b/client/js/util/keyboard.js
@@ -5,6 +5,7 @@ const settings = require('../models/settings.js');
 
 let paused = false;
 const _originalStopCallback = mousetrap.prototype.stopCallback;
+// eslint-disable-next-line func-names
 mousetrap.prototype.stopCallback = function(...args) {
     var self = this;
     if (paused) {
@@ -28,6 +29,10 @@ function unbind(hotkey) {
 module.exports = {
     bind: bind,
     unbind: unbind,
-    pause: () => { paused = true; },
-    unpause: () => { paused = false; },
+    pause: () => {
+        paused = true;
+    },
+    unpause: () => {
+        paused = false;
+    },
 };
diff --git a/client/js/util/markdown.js b/client/js/util/markdown.js
index f326ebb..210280e 100644
--- a/client/js/util/markdown.js
+++ b/client/js/util/markdown.js
@@ -48,7 +48,7 @@ class TildeWrapper extends BaseMarkdownWrapper {
     }
 }
 
-//prevent ^#... from being treated as headers, due to tag permalinks
+// prevent ^#... from being treated as headers, due to tag permalinks
 class TagPermalinkFixWrapper extends BaseMarkdownWrapper {
     preprocess(text) {
         return text.replace(/^#/g, '%%%#');
@@ -59,7 +59,7 @@ class TagPermalinkFixWrapper extends BaseMarkdownWrapper {
     }
 }
 
-//post, user and tags permalinks
+// post, user and tags permalinks
 class EntityPermalinkWrapper extends BaseMarkdownWrapper {
     preprocess(text) {
         // URL-based permalinks
@@ -127,7 +127,7 @@ function createRenderer() {
     const renderer = new marked.Renderer();
     renderer.image = (href, title, alt) => {
         let [_, url, width, height] =
-            /^(.+?)(?:\s=\s*(\d*)\s*x\s*(\d*)\s*)?$/.exec(href);
+            (/^(.+?)(?:\s=\s*(\d*)\s*x\s*(\d*)\s*)?$/).exec(href);
         let res = '<img src="' + sanitize(url) + '" alt="' + sanitize(alt);
         if (width) {
             res += '" width="' + width;
diff --git a/client/js/util/misc.js b/client/js/util/misc.js
index aa62097..c922bb1 100644
--- a/client/js/util/misc.js
+++ b/client/js/util/misc.js
@@ -12,8 +12,8 @@ function decamelize(str, sep) {
         .toLowerCase();
 }
 
-function* range(start=0, end=null, step=1) {
-    if (end == null) {
+function *range(start = 0, end = null, step = 1) {
+    if (end === null) {
         end = start;
         start = 0;
     }
@@ -63,17 +63,17 @@ function formatRelativeTime(timeString) {
     const future = now < then;
 
     const descriptions = [
-        [60,                            'a few seconds', null],
-        [60 * 2,                        'a minute',      null],
-        [60 * 60,                       '% minutes',     60],
-        [60 * 60 * 2,                   'an hour',       null],
-        [60 * 60 * 24,                  '% hours',       60 * 60],
-        [60 * 60 * 24 * 2,              'a day',         null],
-        [60 * 60 * 24 * 30.42,          '% days',        60 * 60 * 24],
-        [60 * 60 * 24 * 30.42 * 2,      'a month',       null],
-        [60 * 60 * 24 * 30.42 * 12,     '% months',      60 * 60 * 24 * 30.42],
-        [60 * 60 * 24 * 30.42 * 12 * 2, 'a year',        null],
-        [8640000000000000 /*max*/, '% years', 60 * 60 * 24 * 30.42 * 12],
+        [60, 'a few seconds', null],
+        [60 * 2, 'a minute', null],
+        [60 * 60, '% minutes', 60],
+        [60 * 60 * 2, 'an hour', null],
+        [60 * 60 * 24, '% hours', 60 * 60],
+        [60 * 60 * 24 * 2, 'a day', null],
+        [60 * 60 * 24 * 30.42, '% days', 60 * 60 * 24],
+        [60 * 60 * 24 * 30.42 * 2, 'a month', null],
+        [60 * 60 * 24 * 30.42 * 12, '% months', 60 * 60 * 24 * 30.42],
+        [60 * 60 * 24 * 30.42 * 12 * 2, 'a year', null],
+        [8640000000000000 /* max*/, '% years', 60 * 60 * 24 * 30.42 * 12],
     ];
 
     let text = null;
@@ -192,7 +192,7 @@ function dataURItoBlob(dataURI) {
         unescape(chunks[1]);
     const mimeString = chunks[0].split(':')[1].split(';')[0];
     const data = new Uint8Array(byteString.length);
-    for (var i = 0; i < byteString.length; i++) {
+    for (let i = 0; i < byteString.length; i++) {
         data[i] = byteString.charCodeAt(i);
     }
     return new Blob([data], {type: mimeString});
@@ -206,21 +206,21 @@ function getPrettyTagName(tag) {
 }
 
 module.exports = {
-    range:                   range,
-    formatRelativeTime:      formatRelativeTime,
-    formatFileSize:          formatFileSize,
-    formatMarkdown:          formatMarkdown,
-    formatInlineMarkdown:    formatInlineMarkdown,
-    unindent:                unindent,
-    enableExitConfirmation:  enableExitConfirmation,
+    range: range,
+    formatRelativeTime: formatRelativeTime,
+    formatFileSize: formatFileSize,
+    formatMarkdown: formatMarkdown,
+    formatInlineMarkdown: formatInlineMarkdown,
+    unindent: unindent,
+    enableExitConfirmation: enableExitConfirmation,
     disableExitConfirmation: disableExitConfirmation,
-    confirmPageExit:         confirmPageExit,
-    escapeHtml:              escapeHtml,
-    makeCssName:             makeCssName,
-    splitByWhitespace:       splitByWhitespace,
-    arraysDiffer:            arraysDiffer,
-    decamelize:              decamelize,
-    escapeSearchTerm:        escapeSearchTerm,
-    dataURItoBlob:           dataURItoBlob,
-    getPrettyTagName:        getPrettyTagName,
+    confirmPageExit: confirmPageExit,
+    escapeHtml: escapeHtml,
+    makeCssName: makeCssName,
+    splitByWhitespace: splitByWhitespace,
+    arraysDiffer: arraysDiffer,
+    decamelize: decamelize,
+    escapeSearchTerm: escapeSearchTerm,
+    dataURItoBlob: dataURItoBlob,
+    getPrettyTagName: getPrettyTagName,
 };
diff --git a/client/js/util/optimized_resize.js b/client/js/util/optimized_resize.js
index b8e1342..545c458 100644
--- a/client/js/util/optimized_resize.js
+++ b/client/js/util/optimized_resize.js
@@ -15,7 +15,7 @@ function resize() {
 }
 
 function runCallbacks() {
-    callbacks.forEach(function(callback) {
+    callbacks.forEach(callback => {
         callback();
     });
     running = false;
diff --git a/client/js/util/polyfill.js b/client/js/util/polyfill.js
index 71ee972..09f5835 100644
--- a/client/js/util/polyfill.js
+++ b/client/js/util/polyfill.js
@@ -1,3 +1,5 @@
+/* eslint-disable func-names, no-extend-native */
+
 'use strict';
 
 // fix iterating over NodeList in Chrome and Opera
diff --git a/client/js/util/progress.js b/client/js/util/progress.js
index 365d7ae..98df179 100644
--- a/client/js/util/progress.js
+++ b/client/js/util/progress.js
@@ -1,3 +1,5 @@
+'use strict';
+
 const nprogress = require('nprogress');
 
 let nesting = 0;
@@ -20,5 +22,5 @@ function done() {
 
 module.exports = {
     start: start,
-    done:  done,
+    done: done,
 };
diff --git a/client/js/util/touch.js b/client/js/util/touch.js
index 6863eb8..53b0978 100644
--- a/client/js/util/touch.js
+++ b/client/js/util/touch.js
@@ -1,3 +1,5 @@
+'use strict';
+
 const direction = {
     NONE: null,
     LEFT: 'left',
@@ -26,30 +28,29 @@ function handleTouchMove(handler, evt) {
         } else {
             handler._direction = direction.RIGHT;
         }
+    } else if (yDirection > 0) {
+        handler._direction = direction.DOWN;
     } else {
-        if (yDirection > 0) {
-            handler._direction = direction.DOWN;
-        } else {
-            handler._direction = direction.UP;
-        }
+        handler._direction = direction.UP;
     }
 }
 
 function handleTouchEnd(handler) {
     switch (handler._direction) {
-        case direction.NONE:
-            return;
-        case direction.LEFT:
-            handler._swipeLeftTask();
-            break;
-        case direction.RIGHT:
-            handler._swipeRightTask();
-            break;
-        case direction.DOWN:
-            handler._swipeDownTask();
-            break;
-        case direction.UP:
-            handler._swipeUpTask();
+    case direction.NONE:
+        return;
+    case direction.LEFT:
+        handler._swipeLeftTask();
+        break;
+    case direction.RIGHT:
+        handler._swipeRightTask();
+        break;
+    case direction.DOWN:
+        handler._swipeDownTask();
+        break;
+    case direction.UP:
+        handler._swipeUpTask();
+    // no default
     }
 
     handler._xStart = null;
@@ -58,10 +59,10 @@ function handleTouchEnd(handler) {
 
 class Touch {
     constructor(target,
-                swipeLeft = () => {},
-                swipeRight = () => {},
-                swipeUp = () => {},
-                swipeDown = () => {}) {
+        swipeLeft = () => {},
+        swipeRight = () => {},
+        swipeUp = () => {},
+        swipeDown = () => {}) {
         this._target = target;
 
         this._swipeLeftTask = swipeLeft;
@@ -74,12 +75,18 @@ class Touch {
         this._direction = direction.NONE;
 
         this._target.addEventListener('touchstart',
-            (evt) => { handleTouchStart(this, evt); });
+            evt => {
+                handleTouchStart(this, evt);
+            });
         this._target.addEventListener('touchmove',
-            (evt) => { handleTouchMove(this, evt); });
+            evt => {
+                handleTouchMove(this, evt);
+            });
         this._target.addEventListener('touchend',
-            () => { handleTouchEnd(this); });
+            () => {
+                handleTouchEnd(this);
+            });
     }
 }
 
-module.exports = Touch;
\ No newline at end of file
+module.exports = Touch;
diff --git a/client/js/util/uri.js b/client/js/util/uri.js
index 4704605..868545f 100644
--- a/client/js/util/uri.js
+++ b/client/js/util/uri.js
@@ -72,7 +72,7 @@ function extractRootDomain(url) {
     if (arrLen > 2) {
         domain = splitArr[arrLen - 2] + '.' + splitArr[arrLen - 1];
         // check to see if it's using a Country Code Top Level Domain (ccTLD) (i.e. ".me.uk")
-        if (splitArr[arrLen - 2].length == 2 && splitArr[arrLen - 1].length == 2) {
+        if (splitArr[arrLen - 2].length === 2 && splitArr[arrLen - 1].length === 2) {
             // this is using a ccTLD
             domain = splitArr[arrLen - 3] + '.' + domain;
         }
@@ -85,11 +85,11 @@ function escapeColons(text) {
 }
 
 module.exports = {
-    formatClientLink:  formatClientLink,
-    formatApiLink:     formatApiLink,
-    escapeColons:      escapeColons,
-    escapeParam:       escapeParam,
-    unescapeParam:     unescapeParam,
-    extractHostname:   extractHostname,
+    formatClientLink: formatClientLink,
+    formatApiLink: formatApiLink,
+    escapeColons: escapeColons,
+    escapeParam: escapeParam,
+    unescapeParam: unescapeParam,
+    extractHostname: extractHostname,
     extractRootDomain: extractRootDomain,
 };
diff --git a/client/js/util/views.js b/client/js/util/views.js
index 9c26fb0..0ac9ca7 100644
--- a/client/js/util/views.js
+++ b/client/js/util/views.js
@@ -94,11 +94,10 @@ function makeSelect(options) {
                 name: options.name,
                 disabled: options.readonly,
             },
-            ...Object.keys(options.keyValues).map(key =>
-                makeElement(
-                    'option',
-                    {value: key, selected: key === options.selectedKey},
-                    options.keyValues[key])));
+            ...Object.keys(options.keyValues).map(key => makeElement(
+                'option',
+                {value: key, selected: key === options.selectedKey},
+                options.keyValues[key])));
 }
 
 function makeInput(options) {
@@ -157,10 +156,7 @@ function makeColorInput(options) {
                 color: ${options.value}`,
         });
     return makeElement(
-        'label', {class: 'color'},
-        textInput,
-        backgroundPreviewNode,
-        textPreviewNode);
+        'label', {class: 'color'}, textInput, backgroundPreviewNode, textPreviewNode);
 }
 
 function makeNumericInput(options) {
@@ -175,14 +171,12 @@ function makeDateInput(options) {
 
 function getPostUrl(id, parameters) {
     return uri.formatClientLink(
-        'post', id,
-        parameters ? {query: parameters.query} : {});
+        'post', id, parameters ? {query: parameters.query} : {});
 }
 
 function getPostEditUrl(id, parameters) {
     return uri.formatClientLink(
-        'post', id, 'edit',
-        parameters ? {query: parameters.query} : {});
+        'post', id, 'edit', parameters ? {query: parameters.query} : {});
 }
 
 function makePostLink(id, includeHash) {
@@ -335,26 +329,25 @@ function clearMessages(target) {
 function htmlToDom(html) {
     // code taken from jQuery + Krasimir Tsonev's blog
     const wrapMap = {
-        _:      [1, '<div>', '</div>'],
+        _: [1, '<div>', '</div>'],
         option: [1, '<select multiple>', '</select>'],
         legend: [1, '<fieldset>', '</fieldset>'],
-        area:   [1, '<map>', '</map>'],
-        param:  [1, '<object>', '</object>'],
-        thead:  [1, '<table>', '</table>'],
-        tr:     [2, '<table><tbody>', '</tbody></table>'],
-        td:     [3, '<table><tbody><tr>', '</tr></tbody></table>'],
-        col:    [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>'],
+        area: [1, '<map>', '</map>'],
+        param: [1, '<object>', '</object>'],
+        thead: [1, '<table>', '</table>'],
+        tr: [2, '<table><tbody>', '</tbody></table>'],
+        td: [3, '<table><tbody><tr>', '</tr></tbody></table>'],
+        col: [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>'],
     };
     wrapMap.optgroup = wrapMap.option;
-    wrapMap.tbody =
-        wrapMap.tfoot =
-        wrapMap.colgroup =
-        wrapMap.caption =
-        wrapMap.thead;
+    wrapMap.tbody = wrapMap.thead;
+    wrapMap.tfoot = wrapMap.thead;
+    wrapMap.colgroup = wrapMap.thead;
+    wrapMap.caption = wrapMap.thead;
     wrapMap.th = wrapMap.td;
 
     let element = document.createElement('div');
-    const match = /<\s*(\w+)[^>]*?>/g.exec(html);
+    const match = (/<\s*(\w+)[^>]*?>/g).exec(html);
 
     if (match) {
         const tag = match[1];
@@ -381,32 +374,32 @@ function getTemplate(templatePath) {
             ctx = {};
         }
         Object.assign(ctx, {
-            getPostUrl:        getPostUrl,
-            getPostEditUrl:    getPostEditUrl,
-            makeRelativeTime:  makeRelativeTime,
-            makeFileSize:      makeFileSize,
-            makeMarkdown:      makeMarkdown,
-            makeThumbnail:     makeThumbnail,
-            makeRadio:         makeRadio,
-            makeCheckbox:      makeCheckbox,
-            makeSelect:        makeSelect,
-            makeInput:         makeInput,
-            makeButton:        makeButton,
-            makeTextarea:      makeTextarea,
-            makeTextInput:     makeTextInput,
+            getPostUrl: getPostUrl,
+            getPostEditUrl: getPostEditUrl,
+            makeRelativeTime: makeRelativeTime,
+            makeFileSize: makeFileSize,
+            makeMarkdown: makeMarkdown,
+            makeThumbnail: makeThumbnail,
+            makeRadio: makeRadio,
+            makeCheckbox: makeCheckbox,
+            makeSelect: makeSelect,
+            makeInput: makeInput,
+            makeButton: makeButton,
+            makeTextarea: makeTextarea,
+            makeTextInput: makeTextInput,
             makePasswordInput: makePasswordInput,
-            makeEmailInput:    makeEmailInput,
-            makeColorInput:    makeColorInput,
-            makeDateInput:     makeDateInput,
-            makePostLink:      makePostLink,
-            makeTagLink:       makeTagLink,
-            makeUserLink:      makeUserLink,
-            makeFlexboxAlign:  makeFlexboxAlign,
-            makeAccessKey:     makeAccessKey,
-            makeElement:       makeElement,
-            makeCssName:       misc.makeCssName,
-            makeNumericInput:  makeNumericInput,
-            formatClientLink:  uri.formatClientLink
+            makeEmailInput: makeEmailInput,
+            makeColorInput: makeColorInput,
+            makeDateInput: makeDateInput,
+            makePostLink: makePostLink,
+            makeTagLink: makeTagLink,
+            makeUserLink: makeUserLink,
+            makeFlexboxAlign: makeFlexboxAlign,
+            makeAccessKey: makeAccessKey,
+            makeElement: makeElement,
+            makeCssName: misc.makeCssName,
+            makeNumericInput: makeNumericInput,
+            formatClientLink: uri.formatClientLink
         });
         return htmlToDom(templateFactory(ctx));
     };
@@ -444,7 +437,7 @@ function enableForm(form) {
 function syncScrollPosition() {
     window.requestAnimationFrame(
         () => {
-            if (history.state && history.state.hasOwnProperty('scrollX')) {
+            if (history.state && Object.prototype.hasOwnProperty.call(history.state, 'scrollX')) {
                 window.scrollTo(history.state.scrollX, history.state.scrollY);
             } else {
                 window.scrollTo(0, 0);
@@ -520,24 +513,24 @@ document.addEventListener('click', e => {
 });
 
 module.exports = {
-    htmlToDom:             htmlToDom,
-    getTemplate:           getTemplate,
-    emptyContent:          emptyContent,
-    replaceContent:        replaceContent,
-    enableForm:            enableForm,
-    disableForm:           disableForm,
-    decorateValidator:     decorateValidator,
-    makeTagLink:           makeTagLink,
-    makePostLink:          makePostLink,
-    makeCheckbox:          makeCheckbox,
-    makeRadio:             makeRadio,
-    syncScrollPosition:    syncScrollPosition,
-    slideDown:             slideDown,
-    slideUp:               slideUp,
-    monitorNodeRemoval:    monitorNodeRemoval,
-    clearMessages:         clearMessages,
+    htmlToDom: htmlToDom,
+    getTemplate: getTemplate,
+    emptyContent: emptyContent,
+    replaceContent: replaceContent,
+    enableForm: enableForm,
+    disableForm: disableForm,
+    decorateValidator: decorateValidator,
+    makeTagLink: makeTagLink,
+    makePostLink: makePostLink,
+    makeCheckbox: makeCheckbox,
+    makeRadio: makeRadio,
+    syncScrollPosition: syncScrollPosition,
+    slideDown: slideDown,
+    slideUp: slideUp,
+    monitorNodeRemoval: monitorNodeRemoval,
+    clearMessages: clearMessages,
     appendExclamationMark: appendExclamationMark,
-    showError:             showError,
-    showSuccess:           showSuccess,
-    showInfo:              showInfo,
+    showError: showError,
+    showSuccess: showSuccess,
+    showInfo: showInfo,
 };
diff --git a/client/js/views/endless_page_view.js b/client/js/views/endless_page_view.js
index ab40662..f30b8fb 100644
--- a/client/js/views/endless_page_view.js
+++ b/client/js/views/endless_page_view.js
@@ -11,7 +11,7 @@ function isScrolledIntoView(element) {
     do {
         top += element.offsetTop || 0;
         element = element.offsetParent;
-    } while(element);
+    } while (element);
     return (
         (top >= window.scrollY) &&
         (top <= window.scrollY + window.innerHeight));
diff --git a/client/js/views/help_view.js b/client/js/views/help_view.js
index 11f6a39..faf2e96 100644
--- a/client/js/views/help_view.js
+++ b/client/js/views/help_view.js
@@ -47,7 +47,7 @@ class HelpView {
         views.replaceContent(this._hostNode, sourceNode);
 
         for (let itemNode of
-                sourceNode.querySelectorAll('.primary [data-name]')) {
+            sourceNode.querySelectorAll('.primary [data-name]')) {
             itemNode.classList.toggle(
                 'active',
                 itemNode.getAttribute('data-name') === section);
@@ -59,7 +59,7 @@ class HelpView {
         }
 
         for (let itemNode of
-                sourceNode.querySelectorAll('.secondary [data-name]')) {
+            sourceNode.querySelectorAll('.secondary [data-name]')) {
             itemNode.classList.toggle(
                 'active',
                 itemNode.getAttribute('data-name') === subsection);
diff --git a/client/js/views/home_view.js b/client/js/views/home_view.js
index c926705..35d4742 100644
--- a/client/js/views/home_view.js
+++ b/client/js/views/home_view.js
@@ -27,9 +27,8 @@ class HomeView {
             this._autoCompleteControl = new TagAutoCompleteControl(
                 this._searchInputNode,
                 {
-                    confirm: tag =>
-                        this._autoCompleteControl.replaceSelectedText(
-                            misc.escapeSearchTerm(tag.names[0]), true),
+                    confirm: tag => this._autoCompleteControl.replaceSelectedText(
+                        misc.escapeSearchTerm(tag.names[0]), true),
                 });
             this._formNode.addEventListener(
                 'submit', e => this._evtFormSubmit(e));
@@ -99,8 +98,7 @@ class HomeView {
     _evtFormSubmit(e) {
         e.preventDefault();
         this._searchInputNode.blur();
-        router.show(uri.formatClientLink('posts', {
-            query: this._searchInputNode.value}));
+        router.show(uri.formatClientLink('posts', {query: this._searchInputNode.value}));
     }
 }
 
diff --git a/client/js/views/manual_page_view.js b/client/js/views/manual_page_view.js
index 94394a3..6798e9b 100644
--- a/client/js/views/manual_page_view.js
+++ b/client/js/views/manual_page_view.js
@@ -9,7 +9,7 @@ const navTemplate = views.getTemplate('manual-pager-nav');
 
 function _removeConsecutiveDuplicates(a) {
     return a.filter((item, pos, ary) => {
-        return !pos || item != ary[pos - 1];
+        return !pos || item !== ary[pos - 1];
     });
 }
 
@@ -23,20 +23,22 @@ function _getVisiblePageNumbers(currentPage, totalPages) {
         pagesVisible.push(i);
     }
     for (let i = currentPage - threshold;
-            i <= currentPage + threshold;
-            i++) {
+        i <= currentPage + threshold;
+        i++) {
         pagesVisible.push(i);
     }
     pagesVisible = pagesVisible.filter((item, pos, ary) => {
         return item >= 1 && item <= totalPages;
     });
-    pagesVisible = pagesVisible.sort((a, b) => { return a - b; });
+    pagesVisible = pagesVisible.sort((a, b) => {
+        return a - b;
+    });
     pagesVisible = _removeConsecutiveDuplicates(pagesVisible);
     return pagesVisible;
 }
 
 function _getPages(
-        currentPage, pageNumbers, limit, defaultLimit, removedItems) {
+    currentPage, pageNumbers, limit, defaultLimit, removedItems) {
     const pages = new Map();
     let prevPage = 0;
     for (let page of pageNumbers) {
@@ -46,7 +48,7 @@ function _getPages(
         pages.set(page, {
             number: page,
             offset:
-                (page - 1) * limit -
+                ((page - 1) * limit) -
                 (page > currentPage ? removedItems : 0),
             limit: limit === defaultLimit ? null : limit,
             active: currentPage === page,
diff --git a/client/js/views/post_main_view.js b/client/js/views/post_main_view.js
index e2e888f..6a7472c 100644
--- a/client/js/views/post_main_view.js
+++ b/client/js/views/post_main_view.js
@@ -43,7 +43,7 @@ class PostMainView {
                         margin,
                     iosCorrectedInnerHeight() -
                         topNavigationNode.getBoundingClientRect().height -
-                        margin * 2,
+                        (margin * 2),
                 ];
             });
 
@@ -80,7 +80,7 @@ class PostMainView {
         });
         keyboard.bind(['a', 'left'], showPreviousImage);
         keyboard.bind(['d', 'right'], showNextImage);
-        keyboard.bind('del', (e) => {
+        keyboard.bind('del', e => {
             if (ctx.editMode) {
                 this.sidebarControl._evtDeleteClick(e);
             }
diff --git a/client/js/views/post_merge_view.js b/client/js/views/post_merge_view.js
index 3e987b3..952e3a3 100644
--- a/client/js/views/post_merge_view.js
+++ b/client/js/views/post_merge_view.js
@@ -62,8 +62,7 @@ class PostMergeView extends events.EventTarget {
     _refreshSide(post, sideNode, sideName, isEditable) {
         views.replaceContent(
             sideNode,
-            sideTemplate(Object.assign({}, this._ctx, {
-                post: post,
+            sideTemplate(Object.assign({}, this._ctx, {post: post,
                 name: sideName,
                 editable: isEditable})));
 
@@ -85,10 +84,10 @@ class PostMergeView extends events.EventTarget {
             '.target-post-content :checked').value;
         this.dispatchEvent(new CustomEvent('submit', {
             detail: {
-                post: checkedTargetPost == 'left' ?
+                post: checkedTargetPost === 'left' ?
                     this._rightPost :
                     this._leftPost,
-                targetPost: checkedTargetPost == 'left' ?
+                targetPost: checkedTargetPost === 'left' ?
                     this._leftPost :
                     this._rightPost,
                 useOldContent: checkedTargetPostContent !== checkedTargetPost,
diff --git a/client/js/views/posts_header_view.js b/client/js/views/posts_header_view.js
index 9ba09c9..0797fff 100644
--- a/client/js/views/posts_header_view.js
+++ b/client/js/views/posts_header_view.js
@@ -52,10 +52,6 @@ class BulkEditor extends events.EventTarget {
 }
 
 class BulkSafetyEditor extends BulkEditor {
-    constructor(hostNode) {
-        super(hostNode);
-    }
-
     _evtOpenLinkClick(e) {
         e.preventDefault();
         this.toggleOpen(true);
@@ -75,9 +71,8 @@ class BulkTagEditor extends BulkEditor {
         this._autoCompleteControl = new TagAutoCompleteControl(
             this._inputNode,
             {
-                confirm: tag =>
-                    this._autoCompleteControl.replaceSelectedText(
-                        tag.names[0], false),
+                confirm: tag => this._autoCompleteControl.replaceSelectedText(
+                    tag.names[0], false),
             });
         this._hostNode.addEventListener('submit', e => this._evtFormSubmit(e));
     }
@@ -132,9 +127,8 @@ class PostsHeaderView extends events.EventTarget {
         this._autoCompleteControl = new TagAutoCompleteControl(
             this._queryInputNode,
             {
-                confirm: tag =>
-                    this._autoCompleteControl.replaceSelectedText(
-                        misc.escapeSearchTerm(tag.names[0]), true),
+                confirm: tag => this._autoCompleteControl.replaceSelectedText(
+                    misc.escapeSearchTerm(tag.names[0]), true),
             });
 
         keyboard.bind('p', () => this._focusFirstPostNode());
@@ -246,7 +240,7 @@ class PostsHeaderView extends events.EventTarget {
     _navigate() {
         this._autoCompleteControl.hide();
         let parameters = {query: this._queryInputNode.value};
-        
+
         // convert falsy values to an empty string "" so that we can correctly compare with the current query
         const prevQuery = this._ctx.parameters.query ? this._ctx.parameters.query : "";
         parameters.offset = parameters.query === prevQuery ? this._ctx.parameters.offset : 0;
diff --git a/client/js/views/posts_page_view.js b/client/js/views/posts_page_view.js
index 292c617..84521e3 100644
--- a/client/js/views/posts_page_view.js
+++ b/client/js/views/posts_page_view.js
@@ -100,7 +100,7 @@ class PostsPageView extends events.EventTarget {
             if (tagFlipperNode) {
                 let tagged = true;
                 for (let tag of this._ctx.bulkEdit.tags) {
-                    tagged = tagged & post.tags.isTaggedWith(tag);
+                    tagged &= post.tags.isTaggedWith(tag);
                 }
                 tagFlipperNode.classList.toggle('tagged', tagged);
             }
@@ -109,7 +109,7 @@ class PostsPageView extends events.EventTarget {
             if (safetyFlipperNode) {
                 for (let linkNode of safetyFlipperNode.querySelectorAll('a')) {
                     const safety = linkNode.getAttribute('data-safety');
-                    linkNode.classList.toggle('active', post.safety == safety);
+                    linkNode.classList.toggle('active', post.safety === safety);
                 }
             }
         }
diff --git a/client/js/views/registration_view.js b/client/js/views/registration_view.js
index 48034dd..1db5fcb 100644
--- a/client/js/views/registration_view.js
+++ b/client/js/views/registration_view.js
@@ -39,7 +39,7 @@ class RegistrationView extends events.EventTarget {
         e.preventDefault();
         this.dispatchEvent(new CustomEvent('submit', {
             detail: {
-                name:  this._userNameFieldNode.value,
+                name: this._userNameFieldNode.value,
                 password: this._passwordFieldNode.value,
                 email: this._emailFieldNode.value,
             },
diff --git a/client/js/views/tag_edit_view.js b/client/js/views/tag_edit_view.js
index 5b517d4..bb4a382 100644
--- a/client/js/views/tag_edit_view.js
+++ b/client/js/views/tag_edit_view.js
@@ -33,7 +33,7 @@ class TagEditView extends events.EventTarget {
         }
 
         for (let node of this._formNode.querySelectorAll(
-                'input, select, textarea')) {
+            'input, select, textarea')) {
             node.addEventListener(
                 'change', e => {
                     this.dispatchEvent(new CustomEvent('change'));
diff --git a/client/js/views/tag_merge_view.js b/client/js/views/tag_merge_view.js
index c975a50..e29183a 100644
--- a/client/js/views/tag_merge_view.js
+++ b/client/js/views/tag_merge_view.js
@@ -22,9 +22,8 @@ class TagMergeView extends events.EventTarget {
             this._autoCompleteControl = new TagAutoCompleteControl(
                 this._targetTagFieldNode,
                 {
-                    confirm: tag =>
-                        this._autoCompleteControl.replaceSelectedText(
-                            tag.names[0], false),
+                    confirm: tag => this._autoCompleteControl.replaceSelectedText(
+                        tag.names[0], false),
                 });
         }
 
diff --git a/client/js/views/tags_header_view.js b/client/js/views/tags_header_view.js
index 05b32f3..425c811 100644
--- a/client/js/views/tags_header_view.js
+++ b/client/js/views/tags_header_view.js
@@ -20,9 +20,8 @@ class TagsHeaderView extends events.EventTarget {
             this._autoCompleteControl = new TagAutoCompleteControl(
                 this._queryInputNode,
                 {
-                    confirm: tag =>
-                        this._autoCompleteControl.replaceSelectedText(
-                            misc.escapeSearchTerm(tag.names[0]), true),
+                    confirm: tag => this._autoCompleteControl.replaceSelectedText(
+                        misc.escapeSearchTerm(tag.names[0]), true),
                 });
         }
 
diff --git a/client/js/views/user_edit_view.js b/client/js/views/user_edit_view.js
index 8a6f1a4..317d8e1 100644
--- a/client/js/views/user_edit_view.js
+++ b/client/js/views/user_edit_view.js
@@ -11,8 +11,8 @@ class UserEditView extends events.EventTarget {
     constructor(ctx) {
         super();
 
-        ctx.userNamePattern = api.getUserNameRegex() + /|^$/.source;
-        ctx.passwordPattern = api.getPasswordRegex() + /|^$/.source;
+        ctx.userNamePattern = api.getUserNameRegex() + (/|^$/).source;
+        ctx.passwordPattern = api.getPasswordRegex() + (/|^$/).source;
 
         this._user = ctx.user;
         this._hostNode = ctx.hostNode;
diff --git a/client/js/views/user_tokens_view.js b/client/js/views/user_tokens_view.js
index f6c8480..8e283bf 100644
--- a/client/js/views/user_tokens_view.js
+++ b/client/js/views/user_tokens_view.js
@@ -92,9 +92,9 @@ class UserTokenView extends events.EventTarget {
                 expirationTime:
                     (this._userTokenExpirationTimeInputNode
                         && this._userTokenExpirationTimeInputNode.value) ?
-                    new Date(this._userTokenExpirationTimeInputNode.value)
-                        .toISOString() :
-                    undefined,
+                        new Date(this._userTokenExpirationTimeInputNode.value)
+                            .toISOString() :
+                        undefined,
             },
         }));
     }
diff --git a/client/js/views/user_view.js b/client/js/views/user_view.js
index 75fd154..d96ebe1 100644
--- a/client/js/views/user_view.js
+++ b/client/js/views/user_view.js
@@ -37,7 +37,7 @@ class UserView extends events.EventTarget {
         }
 
         ctx.hostNode = this._hostNode.querySelector('#user-content-holder');
-        if (ctx.section == 'edit') {
+        if (ctx.section === 'edit') {
             if (!this._ctx.canEditAnything) {
                 this._view = new EmptyView();
                 this._view.showError(
@@ -46,7 +46,7 @@ class UserView extends events.EventTarget {
                 this._view = new UserEditView(ctx);
                 events.proxyEvent(this._view, this, 'submit');
             }
-        } else if (ctx.section == 'list-tokens') {
+        } else if (ctx.section === 'list-tokens') {
             if (!this._ctx.canListTokens) {
                 this._view = new EmptyView();
                 this._view.showError(
@@ -57,7 +57,7 @@ class UserView extends events.EventTarget {
                 events.proxyEvent(this._view, this, 'submit', 'create-token');
                 events.proxyEvent(this._view, this, 'update', 'update-token');
             }
-        } else if (ctx.section == 'delete') {
+        } else if (ctx.section === 'delete') {
             if (!this._ctx.canDelete) {
                 this._view = new EmptyView();
                 this._view.showError(