Upgrade Underscore.js and Underscore.string.js

cms/static/js/certificates/views/signatory_editor.js

@@ -129,9 +129,9 @@ function ($, _, Backbone, gettext,
             if (event && event.preventDefault) { event.preventDefault(); }
             var model = this.model;
             var self = this;
-            var titleText = gettext('Delete "<%= signatoryName %>" from the list of signatories?');
+            var titleTextTemplate = _.template(gettext('Delete "<%= signatoryName %>" from the list of signatories?'));
             var confirm = new PromptView.Warning({
-                title: _.template(titleText, {signatoryName: model.get('name')}),
+                title: titleTextTemplate({signatoryName: model.get('name')}),
                 message: gettext('This action cannot be undone.'),
                 actions: {
                     primary: {

cms/static/js/models/settings/course_grader.js

@@ -66,9 +66,10 @@ var CourseGrader = Backbone.Model.extend({
             else attrs.drop_count = intDropCount;
         }
         if (_.has(attrs, 'min_count') && _.has(attrs, 'drop_count') && !_.has(errors, 'min_count') && !_.has(errors, 'drop_count') && attrs.drop_count > attrs.min_count) {
-            errors.drop_count = _.template(
-                gettext("Cannot drop more <% attrs.types %> than will assigned."),
-                attrs, {variable: 'attrs'});
+            var template = _.template(
+                gettext("Cannot drop more <%= types %> assignments than are assigned.")
+            );
+            errors.drop_count = template({types: attrs.type});
         }
         if (!_.isEmpty(errors)) return errors;
     }

cms/static/js/models/uploads.js

@@ -15,8 +15,7 @@ var FileUpload = Backbone.Model.extend({
     validate: function(attrs, options) {
         if(attrs.selectedFile && !this.checkTypeValidity(attrs.selectedFile)) {
             return {
-                message: _.template(
-                    gettext("Only <%= fileTypes %> files can be uploaded. Please select a file ending in <%= fileExtensions %> to upload."),
+                message: _.template(gettext("Only <%= fileTypes %> files can be uploaded. Please select a file ending in <%= fileExtensions %> to upload."))( // jshint ignore:line
                     this.formatValidTypes()
                 ),
                 attributes: {selectedFile: true}
@@ -64,7 +63,7 @@ var FileUpload = Backbone.Model.extend({
         }
         var or = gettext('or');
         var formatTypes = function(types) {
-            return _.template('<%= initial %> <%= or %> <%= last %>', {
+            return _.template('<%= initial %> <%= or %> <%= last %>')({
                 initial: _.initial(types).join(', '),
                 or: or,
                 last: _.last(types)

cms/static/js/utils/drag_and_drop.js

@@ -359,12 +359,12 @@ define(["jquery", "jquery.ui", "underscore", "gettext", "draggabilly",
             makeDraggable: function (element, options) {
                 var draggable;
                 options = _.defaults({
-                    type: null,
-                    handleClass: null,
-                    droppableClass: null,
-                    parentLocationSelector: null,
-                    refresh: null,
-                    ensureChildrenRendered: null
+                    type: undefined,
+                    handleClass: undefined,
+                    droppableClass: undefined,
+                    parentLocationSelector: undefined,
+                    refresh: undefined,
+                    ensureChildrenRendered: undefined
                 }, options);
 
                 if ($(element).data('droppable-class') !== options.droppableClass) {

cms/static/js/views/assets.js

@@ -67,7 +67,7 @@ define(["jquery", "underscore", "gettext", "js/views/baseview", "js/models/asset
                         ViewUtils.hideLoadingIndicator();
 
                         // Create the table
-                        this.$el.html(_.template(asset_library_template, {typeData: this.typeData}));
+                        this.$el.html(_.template(asset_library_template)({typeData: this.typeData}));
                         tableBody = this.$('#asset-table-body');
                         this.tableBody = tableBody;
                         this.pagingHeader = new PagingHeader({view: this, el: $('#asset-paging-header')});

cms/static/js/views/edit_chapter.js

@@ -1,3 +1,5 @@
+/*global course */
+
 define(["js/views/baseview", "underscore", "underscore.string", "jquery", "gettext", "js/models/uploads", "js/views/uploads"],
         function(BaseView, _, str, $, gettext, FileUploadModel, UploadDialogView) {
     _.str = str; // used in template
@@ -52,10 +54,8 @@ define(["js/views/baseview", "underscore", "underscore.string", "jquery", "gette
                 asset_path: this.$("input.chapter-asset-path").val()
             });
             var msg = new FileUploadModel({
-                title: _.template(
-                    gettext("Upload a new PDF to “<%= name %>”"),
-                    {name: window.course.escape('name')}
-                ),
+                title: _.template(gettext("Upload a new PDF to “<%= name %>”"))(
+                    {name: course.escape('name')}),
                 message: gettext("Please select a PDF file to upload."),
                 mimeTypes: ['application/pdf']
             });

cms/static/js/views/manage_users_and_roles.js

@@ -54,8 +54,8 @@ define(['jquery', 'underscore', 'gettext', "js/views/baseview",
                 title: messages.alreadyMember.title,
                 message: _.template(
                     messages.alreadyMember.messageTpl,
-                    {email: email, container: containerName},
-                    {interpolate: /\{(.+?)}/g}
+                    {interpolate: /\{(.+?)}/g})(
+                    {email: email, container: containerName}
                 ),
                 actions: {
                     primary: {
@@ -140,7 +140,9 @@ define(['jquery', 'underscore', 'gettext', "js/views/baseview",
                     roles = _.object(_.pluck(this.roles, 'key'), _.pluck(this.roles, "name")),
                     adminRoleCount = this.getAdminRoleCount(),
                     viewHelpers = {
-                        format: function (template, data) { return _.template(template, data, {interpolate: /\{(.+?)}/g}); }
+                        format: function (template, data) {
+                            return _.template(template, {interpolate: /\{(.+?)}/g})(data);
+                        }
                     };
                 for (var i = 0; i < this.users.length; i++) {
                     var user = this.users[i],
@@ -284,8 +286,8 @@ define(['jquery', 'underscore', 'gettext', "js/views/baseview",
                     title: self.messages.deleteUser.title,
                     message: _.template(
                         self.messages.deleteUser.messageTpl,
-                        {email: email, container: self.containerName},
-                        {interpolate: /\{(.+?)}/g}
+                        {interpolate: /\{(.+?)}/g})(
+                        {email: email, container: self.containerName}
                     ),
                     actions: {
                         primary: {

cms/static/js/views/paging_header.js

@@ -22,9 +22,7 @@ define(["underscore", "backbone", "gettext", "text!templates/paging-header.under
                     currentPage = collection.currentPage,
                     lastPage = collection.totalPages - 1,
                     messageHtml = this.messageHtml();
-                this.$el.html(_.template(paging_header_template, {
-                    messageHtml: messageHtml
-                }));
+                this.$el.html(_.template(paging_header_template)({ messageHtml: messageHtml}));
                 this.$(".previous-page-link").toggleClass("is-disabled", currentPage === 0).attr('aria-disabled', currentPage === 0);
                 this.$(".next-page-link").toggleClass("is-disabled", currentPage === lastPage).attr('aria-disabled', currentPage === lastPage);
                 return this;

cms/static/js/views/show_textbook.js

@@ -27,10 +27,9 @@ define(["js/views/baseview", "underscore", "gettext", "common/js/components/view
         },
         confirmDelete: function(e) {
             if(e && e.preventDefault) { e.preventDefault(); }
-            var textbook = this.model, collection = this.model.collection;
-            var msg = new PromptView.Warning({
-                title: _.template(
-                    gettext("Delete “<%= name %>”?"),
+            var textbook = this.model;
+            new PromptView.Warning({
+                title: _.template(gettext("Delete “<%= name %>”?"))(
                     {name: textbook.get('name')}
                 ),
                 message: gettext("Deleting a textbook cannot be undone and once deleted any reference to it in your courseware's navigation will also be removed."),