Add ES6 support to more files

test/javascripts/helpers/custom-html-test.js.es6

@@ -0,0 +1,14 @@
+module("helper:custom-html");
+
+import { getCustomHTML, setCustomHTML } from 'discourse/helpers/custom-html';
+
+test("customHTML", function() {
+  blank(getCustomHTML('evil'), "there is no custom HTML for a key by default");
+
+  setCustomHTML('evil', 'trout');
+  equal(getCustomHTML('evil'), 'trout', 'it retrieves the custom html');
+
+  PreloadStore.store('customHTML', {cookie: 'monster'});
+  equal(getCustomHTML('cookie'), 'monster', 'it returns HTML fragments from the PreloadStore');
+
+});

test/javascripts/helpers/parse-html.js.es6

@@ -0,0 +1,8 @@
+/* global Tautologistics */
+export default function parseHTML(rawHtml) {
+  const builder = new Tautologistics.NodeHtmlParser.HtmlBuilder();
+  const parser = new Tautologistics.NodeHtmlParser.Parser(builder);
+
+  parser.parseComplete(rawHtml);
+  return builder.dom;
+}

test/javascripts/helpers/parse_html.js

@@ -1,9 +0,0 @@
-/* global Tautologistics */
-/* exported parseHTML */
-function parseHTML(rawHtml) {
-  var builder = new Tautologistics.NodeHtmlParser.HtmlBuilder(),
-      parser = new Tautologistics.NodeHtmlParser.Parser(builder);
-
-  parser.parseComplete(rawHtml);
-  return builder.dom;
-}