resolve all instances of no-undef eslint rule violations

app/assets/javascripts/files_comment_button.js

-/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, max-len, one-var, one-var-declaration-per-line, quotes, prefer-template, newline-per-chained-call, comma-dangle, new-cap, no-else-return, padded-blocks, consistent-return, no-undef, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, max-len, one-var, one-var-declaration-per-line, quotes, prefer-template, newline-per-chained-call, comma-dangle, new-cap, no-else-return, padded-blocks, consistent-return */
+/* global FilesCommentButton */
+
 (function() {
   var bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

app/assets/javascripts/gfm_auto_complete.js.es6

-/* eslint-disable func-names, space-before-function-paren, no-template-curly-in-string, comma-dangle, object-shorthand, quotes, dot-notation, no-else-return, one-var, no-var, no-underscore-dangle, one-var-declaration-per-line, no-param-reassign, no-useless-escape, prefer-template, consistent-return, wrap-iife, prefer-arrow-callback, camelcase, no-unused-vars, no-useless-return, padded-blocks, vars-on-top, indent, no-extra-semi, no-multi-spaces, semi, no-undef, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-template-curly-in-string, comma-dangle, object-shorthand, quotes, dot-notation, no-else-return, one-var, no-var, no-underscore-dangle, one-var-declaration-per-line, no-param-reassign, no-useless-escape, prefer-template, consistent-return, wrap-iife, prefer-arrow-callback, camelcase, no-unused-vars, no-useless-return, padded-blocks, vars-on-top, indent, no-extra-semi, no-multi-spaces, semi, max-len */
 // Creates the variables for setting up GFM auto-completion
 (function() {
@@ -10,7 +10,7 @@
     return str.replace(/<(?:.|\n)*?>/gm, '');
   }
-  GitLab.GfmAutoComplete = {
+  window.GitLab.GfmAutoComplete = {
     dataLoading: false,
     dataLoaded: false,
     cachedData: {},
@@ -57,7 +57,7 @@
           var withoutAt = value.substring(1);
           if (withoutAt && /[^\w\d]/.test(withoutAt)) value = value.charAt() + '"' + withoutAt + '"';
         }
-        if (!GitLab.GfmAutoComplete.dataLoaded) {
+        if (!window.GitLab.GfmAutoComplete.dataLoaded) {
           return this.at;
         } else {
           return value;

app/assets/javascripts/gl_dropdown.js

-/* eslint-disable func-names, space-before-function-paren, no-var, one-var, one-var-declaration-per-line, space-before-blocks, prefer-rest-params, max-len, vars-on-top, no-plusplus, wrap-iife, no-unused-vars, quotes, no-shadow, no-cond-assign, prefer-arrow-callback, semi, no-return-assign, no-else-return, camelcase, no-undef, comma-dangle, no-lonely-if, guard-for-in, no-restricted-syntax, consistent-return, padded-blocks, prefer-template, no-param-reassign, no-loop-func, no-extra-semi, keyword-spacing, no-mixed-operators, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, one-var, one-var-declaration-per-line, space-before-blocks, prefer-rest-params, max-len, vars-on-top, no-plusplus, wrap-iife, no-unused-vars, quotes, no-shadow, no-cond-assign, prefer-arrow-callback, semi, no-return-assign, no-else-return, camelcase, comma-dangle, no-lonely-if, guard-for-in, no-restricted-syntax, consistent-return, padded-blocks, prefer-template, no-param-reassign, no-loop-func, no-extra-semi, keyword-spacing, no-mixed-operators */
+/* global fuzzaldrinPlus */
+/* global Turbolinks */
+
 (function() {
   var GitLabDropdown, GitLabDropdownFilter, GitLabDropdownRemote,
     bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
@@ -188,7 +191,7 @@
   })();
   GitLabDropdown = (function() {
-    var ACTIVE_CLASS, FILTER_INPUT, INDETERMINATE_CLASS, LOADING_CLASS, PAGE_TWO_CLASS, NON_SELECTABLE_CLASSES, SELECTABLE_CLASSES, currentIndex;
+    var ACTIVE_CLASS, FILTER_INPUT, INDETERMINATE_CLASS, LOADING_CLASS, PAGE_TWO_CLASS, NON_SELECTABLE_CLASSES, SELECTABLE_CLASSES, CURSOR_SELECT_SCROLL_PADDING, currentIndex;
     LOADING_CLASS = "is-loading";

app/assets/javascripts/gl_form.js

-/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, no-undef, no-new, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, no-new, padded-blocks, max-len */
+/* global GitLab */
+/* global DropzoneInput */
+/* global autosize */
+
 (function() {
   this.GLForm = (function() {
     function GLForm(form) {

app/assets/javascripts/graphs/stat_graph_contributors.js

-/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, one-var, camelcase, one-var-declaration-per-line, no-undef, quotes, no-param-reassign, quote-props, comma-dangle, prefer-template, max-len, no-return-assign, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, one-var, camelcase, one-var-declaration-per-line, quotes, no-param-reassign, quote-props, comma-dangle, prefer-template, max-len, no-return-assign, padded-blocks */
+/* global ContributorsGraph */
+/* global ContributorsAuthorGraph */
+/* global ContributorsMasterGraph */
+/* global ContributorsStatGraphUtil */
+/* global d3 */
 /*= require d3 */

app/assets/javascripts/graphs/stat_graph_contributors_graph.js

-/* eslint-disable func-names, space-before-function-paren, one-var, no-var, space-before-blocks, prefer-rest-params, max-len, no-restricted-syntax, vars-on-top, no-use-before-define, no-param-reassign, new-cap, no-underscore-dangle, wrap-iife, comma-dangle, no-return-assign, prefer-arrow-callback, quotes, prefer-template, padded-blocks, no-undef, newline-per-chained-call, no-else-return, max-len */
+/* eslint-disable func-names, space-before-function-paren, one-var, no-var, space-before-blocks, prefer-rest-params, max-len, no-restricted-syntax, vars-on-top, no-use-before-define, no-param-reassign, new-cap, no-underscore-dangle, wrap-iife, comma-dangle, no-return-assign, prefer-arrow-callback, quotes, prefer-template, padded-blocks, newline-per-chained-call, no-else-return */
+/* global d3 */
+/* global ContributorsGraph */
 /*= require d3 */

app/assets/javascripts/groups_select.js

-/* eslint-disable func-names, space-before-function-paren, no-var, wrap-iife, one-var, camelcase, one-var-declaration-per-line, quotes, object-shorthand, no-undef, prefer-arrow-callback, comma-dangle, consistent-return, yoda, prefer-rest-params, prefer-spread, no-unused-vars, prefer-template, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, wrap-iife, one-var, camelcase, one-var-declaration-per-line, quotes, object-shorthand, prefer-arrow-callback, comma-dangle, consistent-return, yoda, prefer-rest-params, prefer-spread, no-unused-vars, prefer-template, padded-blocks, max-len */
+/* global Api */
+
 (function() {
   var slice = [].slice;
@@ -14,7 +16,7 @@
             multiple: $(select).hasClass('multiselect'),
             minimumInputLength: 0,
             query: function(query) {
-              options = { all_available: all_available, skip_groups: skip_groups };
+              var options = { all_available: all_available, skip_groups: skip_groups };
               return Api.groups(query.term, options, function(groups) {
                 var data;
                 data = {

app/assets/javascripts/importer_status.js

-/* eslint-disable func-names, space-before-function-paren, wrap-iife, camelcase, no-var, one-var, one-var-declaration-per-line, prefer-template, quotes, object-shorthand, comma-dangle, no-unused-vars, prefer-arrow-callback, no-else-return, padded-blocks, vars-on-top, no-new, no-undef, max-len */
+/* eslint-disable func-names, space-before-function-paren, wrap-iife, camelcase, no-var, one-var, one-var-declaration-per-line, prefer-template, quotes, object-shorthand, comma-dangle, no-unused-vars, prefer-arrow-callback, no-else-return, padded-blocks, vars-on-top, no-new, max-len */
+
 (function() {
-  this.ImporterStatus = (function() {
+  window.ImporterStatus = (function() {
     function ImporterStatus(jobs_url, import_url) {
       this.jobs_url = jobs_url;
       this.import_url = import_url;
@@ -75,7 +76,7 @@
       var jobsImportPath = $('.js-importer-status').data('jobs-import-path');
       var importPath = $('.js-importer-status').data('import-path');
-      new ImporterStatus(jobsImportPath, importPath);
+      new window.ImporterStatus(jobsImportPath, importPath);
     }
   });
 }).call(this);

app/assets/javascripts/issuable_context.js

-/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-new, no-undef, comma-dangle, quotes, prefer-arrow-callback, consistent-return, one-var, no-var, one-var-declaration-per-line, no-underscore-dangle, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-new, comma-dangle, quotes, prefer-arrow-callback, consistent-return, one-var, no-var, one-var-declaration-per-line, no-underscore-dangle, padded-blocks, max-len */
+/* global UsersSelect */
+
 (function() {
   this.IssuableContext = (function() {
     function IssuableContext(currentUser) {

app/assets/javascripts/issuable_form.js

-/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, no-use-before-define, no-useless-escape, no-undef, no-new, quotes, object-shorthand, no-unused-vars, comma-dangle, radix, no-alert, consistent-return, no-else-return, prefer-template, one-var, one-var-declaration-per-line, curly, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, no-use-before-define, no-useless-escape, no-new, quotes, object-shorthand, no-unused-vars, comma-dangle, radix, no-alert, consistent-return, no-else-return, prefer-template, one-var, one-var-declaration-per-line, curly, padded-blocks, max-len */
+/* global GitLab */
+/* global UsersSelect */
+/* global ZenMode */
+/* global Autosave */
+
 (function() {
   var bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

app/assets/javascripts/issue.js

-/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, one-var, no-underscore-dangle, one-var-declaration-per-line, object-shorthand, no-unused-vars, no-undef, no-new, comma-dangle, consistent-return, quotes, dot-notation, quote-props, prefer-arrow-callback, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, one-var, no-underscore-dangle, one-var-declaration-per-line, object-shorthand, no-unused-vars, no-new, comma-dangle, consistent-return, quotes, dot-notation, quote-props, prefer-arrow-callback, padded-blocks, max-len */
+/* global Flash */
 /*= require flash */
 /*= require jquery.waitforimages */

app/assets/javascripts/labels_select.js

-/* eslint-disable no-useless-return, func-names, space-before-function-paren, wrap-iife, no-var, no-underscore-dangle, prefer-arrow-callback, max-len, one-var, no-unused-vars, one-var-declaration-per-line, prefer-template, no-new, consistent-return, object-shorthand, comma-dangle, no-shadow, no-param-reassign, brace-style, vars-on-top, quotes, no-lonely-if, no-else-return, no-undef, semi, dot-notation, no-empty, no-return-assign, camelcase, prefer-spread, padded-blocks, max-len */
+/* eslint-disable no-useless-return, func-names, space-before-function-paren, wrap-iife, no-var, no-underscore-dangle, prefer-arrow-callback, max-len, one-var, no-unused-vars, one-var-declaration-per-line, prefer-template, no-new, consistent-return, object-shorthand, comma-dangle, no-shadow, no-param-reassign, brace-style, vars-on-top, quotes, no-lonely-if, no-else-return, semi, dot-notation, no-empty, no-return-assign, camelcase, prefer-spread, padded-blocks */
+/* global Issuable */
+/* global ListLabel */
+
 (function() {
   this.LabelsSelect = (function() {
     function LabelsSelect() {

app/assets/javascripts/lib/utils/notify.js

-/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, one-var, one-var-declaration-per-line, consistent-return, no-undef, prefer-arrow-callback, no-return-assign, object-shorthand, comma-dangle, no-param-reassign, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, one-var, one-var-declaration-per-line, consistent-return, prefer-arrow-callback, no-return-assign, object-shorthand, comma-dangle, no-param-reassign, padded-blocks, max-len */
+
 (function() {
   (function(w) {
     var notificationGranted, notifyMe, notifyPermissions;

app/assets/javascripts/line_highlighter.js

-/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, no-use-before-define, no-underscore-dangle, no-param-reassign, no-undef, prefer-template, quotes, comma-dangle, prefer-arrow-callback, consistent-return, one-var, one-var-declaration-per-line, spaced-comment, radix, no-else-return, max-len, no-plusplus, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, no-use-before-define, no-underscore-dangle, no-param-reassign, prefer-template, quotes, comma-dangle, prefer-arrow-callback, consistent-return, one-var, one-var-declaration-per-line, spaced-comment, radix, no-else-return, max-len, no-plusplus, padded-blocks */
+
 // LineHighlighter
 //
 // Handles single- and multi-line selection and highlight for blob views.

app/assets/javascripts/merge_request.js

-/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, quotes, no-undef, no-underscore-dangle, one-var, one-var-declaration-per-line, consistent-return, dot-notation, quote-props, comma-dangle, object-shorthand, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, quotes, no-underscore-dangle, one-var, one-var-declaration-per-line, consistent-return, dot-notation, quote-props, comma-dangle, object-shorthand, padded-blocks, max-len */
+/* global MergeRequestTabs */
 /*= require jquery.waitforimages */
 /*= require task_list */

app/assets/javascripts/merged_buttons.js

-/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, no-undef, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, padded-blocks, max-len */
+
 (function() {
   var bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

app/assets/javascripts/milestone.js

-/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-use-before-define, camelcase, quotes, object-shorthand, no-shadow, no-unused-vars, no-undef, comma-dangle, no-var, prefer-template, no-underscore-dangle, consistent-return, one-var, one-var-declaration-per-line, default-case, prefer-arrow-callback, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-use-before-define, camelcase, quotes, object-shorthand, no-shadow, no-unused-vars, comma-dangle, no-var, prefer-template, no-underscore-dangle, consistent-return, one-var, one-var-declaration-per-line, default-case, prefer-arrow-callback, padded-blocks, max-len */
+/* global Flash */
+
 (function() {
   this.Milestone = (function() {
     Milestone.updateIssue = function(li, issue_url, data) {

app/assets/javascripts/milestone_select.js

-/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, no-underscore-dangle, prefer-arrow-callback, max-len, one-var, one-var-declaration-per-line, no-unused-vars, object-shorthand, comma-dangle, no-else-return, no-self-compare, consistent-return, no-undef, no-param-reassign, no-shadow, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, no-underscore-dangle, prefer-arrow-callback, max-len, one-var, one-var-declaration-per-line, no-unused-vars, object-shorthand, comma-dangle, no-else-return, no-self-compare, consistent-return, no-param-reassign, no-shadow, padded-blocks */
+/* global Vue */
+/* global Issuable */
+/* global ListMilestone */
+
 (function() {
   this.MilestoneSelect = (function() {
     function MilestoneSelect(currentProject) {

app/assets/javascripts/namespace_select.js

-/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, one-var, vars-on-top, one-var-declaration-per-line, comma-dangle, object-shorthand, no-else-return, prefer-template, quotes, no-undef, prefer-arrow-callback, padded-blocks, no-param-reassign, no-cond-assign, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, one-var, vars-on-top, one-var-declaration-per-line, comma-dangle, object-shorthand, no-else-return, prefer-template, quotes, prefer-arrow-callback, padded-blocks, no-param-reassign, no-cond-assign, max-len */
+/* global Api */
+
 (function() {
   var bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
-  this.NamespaceSelect = (function() {
+  window.NamespaceSelect = (function() {
     function NamespaceSelect(opts) {
       this.onSelectItem = bind(this.onSelectItem, this);
       var fieldName, showAny;
@@ -64,7 +66,7 @@
   })();
-  this.NamespaceSelects = (function() {
+  window.NamespaceSelects = (function() {
     function NamespaceSelects(opts) {
       var ref;
       if (opts == null) {
@@ -74,7 +76,7 @@
       this.$dropdowns.each(function(i, dropdown) {
         var $dropdown;
         $dropdown = $(dropdown);
-        return new NamespaceSelect({
+        return new window.NamespaceSelect({
           dropdown: $dropdown
         });
       });

app/assets/javascripts/network/branch_graph.js

-/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, quotes, comma-dangle, one-var, one-var-declaration-per-line, no-mixed-operators, new-cap, no-undef, no-plusplus, no-loop-func, no-floating-decimal, consistent-return, no-unused-vars, prefer-template, prefer-arrow-callback, camelcase, max-len, padded-blocks, max-len */
+/* eslint-disable func-names, space-before-function-paren, no-var, space-before-blocks, prefer-rest-params, wrap-iife, quotes, comma-dangle, one-var, one-var-declaration-per-line, no-mixed-operators, new-cap, no-plusplus, no-loop-func, no-floating-decimal, consistent-return, no-unused-vars, prefer-template, prefer-arrow-callback, camelcase, max-len, padded-blocks */
+/* global Raphael */
+
 (function() {
   var bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };