Update eslint

.eslintrc

@@ -1,7 +1,8 @@
 {
   "extends": [
     "dabapps/commonjs",
-    "dabapps/browser"
+    "dabapps/browser",
+    "dabapps/es"
   ],
   "globals": {
     "mermaid": true,

package.json

@@ -8,7 +8,7 @@
   "author": "Jake Howard <git@theorangeone.net>",
   "devDependencies": {
     "broken-link-checker-local": "0.2.1",
-    "eslint-config-dabapps": "5.0.0",
+    "eslint-config-dabapps": "6.0.2",
     "parcel-bundler": "1.12.4",
     "sass-lint": "1.13.1",
     "yaml-lint": "1.2.4"

static/src/js/app.js

@@ -1,11 +1,9 @@
-'use strict';
+const Clipboard = require('clipboard');
-
-var Clipboard = require('clipboard');
 
 function waitFor(obj, property, callback) {
   // Wait for a property to exist on window before running callback
-  var intervalId = setInterval(function() {
+  const intervalId = setInterval(function() {
-    if (obj.hasOwnProperty(property)) {
+    if (property in obj) {
       clearInterval(intervalId);
       callback();
     }
@@ -24,14 +22,14 @@ $(document).ready(function() {
   });
 
   new Clipboard('a').on('success', function(e) {
-    var ele = $(e.trigger);
+    const ele = $(e.trigger);
     ele.find('i').attr('class', 'fas fa-check');
     alert('Copied "' + ele.data('clipboard-text') + '" to clipboard!');
   });
 
   // HACK: ToC has blank li if no initial header
   $('#TableOfContents').each(function() {
-    var ele = $(this);
+    let ele = $(this);
     if (ele.find('a').length <= 3) {
       ele.parent().remove();
     } else if (ele.children('ul').children('li').length === 1) {
@@ -46,7 +44,7 @@ $(document).ready(function() {
 
   $('.image').each(function() {
     // setup div-image hybrids
-    var ele = $(this);
+    const ele = $(this);
     if (ele.data('image')) {
       ele.css('background-image', 'url(' + ele.data('image') + ')');
     } else {

static/src/js/mermaid.js

@@ -1,6 +1,4 @@
-'use strict';
+let mermaid = require('mermaid');
-
-var mermaid = require('mermaid');
 
 $(document).ready(function() {
   mermaid.initialize({