update node modules

node_modules/parse5/lib/index.js

@@ -1,12 +1,11 @@
 'use strict';
 
-var Parser = require('./parser'),
-    Serializer = require('./serializer');
-
+const Parser = require('./parser');
+const Serializer = require('./serializer');
 
 // Shorthands
 exports.parse = function parse(html, options) {
-    var parser = new Parser(options);
+    const parser = new Parser(options);
 
     return parser.parse(html);
 };
@@ -18,49 +17,13 @@ exports.parseFragment = function parseFragment(fragmentContext, html, options) {
         fragmentContext = null;
     }
 
-    var parser = new Parser(options);
+    const parser = new Parser(options);
 
     return parser.parseFragment(html, fragmentContext);
 };
 
-exports.serialize = function (node, options) {
-    var serializer = new Serializer(node, options);
+exports.serialize = function(node, options) {
+    const serializer = new Serializer(node, options);
 
     return serializer.serialize();
 };
-
-
-// Tree adapters
-exports.treeAdapters = {
-    default: require('./tree_adapters/default'),
-    htmlparser2: require('./tree_adapters/htmlparser2')
-};
-
-
-// Streaming
-// NOTE: streaming API is lazy loadable to enable bundling for platforms
-// that are different from Node.js.
-// See https://github.com/inikulin/parse5/issues/235.
-var streamingAPI = {
-    ParserStream: './parser/parser_stream',
-    PlainTextConversionStream: './parser/plain_text_conversion_stream',
-    SerializerStream: './serializer/serializer_stream',
-    SAXParser: './sax'
-};
-
-Object.keys(streamingAPI).forEach(function (cls) {
-    Object.defineProperty(exports, cls, {
-        get: function () {
-            try {
-                return require(streamingAPI[cls]);
-            }
-
-            catch (e) {
-                throw new Error(
-                    cls + ' is supported only for Node.js.' +
-                    'See https://github.com/inikulin/parse5/issues/235 for the details.'
-                );
-            }
-        }
-    });
-});