Add proxy-polyfill to make tiptap work with IE11

Signed-off-by: Julius Härtl <jus@bitgrid.net>

package-lock.json

@@ -11919,6 +11919,11 @@
 			"integrity": "sha1-IS1b/hMYMGpCD2QCuOJv85ZHqEk=",
 			"dev": true
 		},
+		"proxy-polyfill": {
+			"version": "0.3.1",
+			"resolved": "https://registry.npmjs.org/proxy-polyfill/-/proxy-polyfill-0.3.1.tgz",
+			"integrity": "sha512-jywE1NIksgIGqZc4uF0QLbXGz2RcHQobsCkAW+8F0nr/6agap+TWksEAKyLnIBafPD88HT9qZR2ec0oomHdjcQ=="
+		},
 		"prr": {
 			"version": "1.0.1",
 			"resolved": "https://registry.npmjs.org/prr/-/prr-1.0.1.tgz",

package.json

@@ -33,6 +33,7 @@
 		"prosemirror-collab": "^1.1.2",
 		"prosemirror-markdown": "^1.3.1",
 		"prosemirror-view": "^1.12.0",
+		"proxy-polyfill": "^0.3.1",
 		"tiptap": "^1.26.4",
 		"tiptap-commands": "^1.12.3",
 		"tiptap-extensions": "^1.28.4",

src/EditorFactory.js

@@ -38,6 +38,8 @@ import { Strong, Italic, Strike } from './marks'
 import { Image, PlainTextDocument } from './nodes'
 import MarkdownIt from 'markdown-it'
 
+import 'proxy-polyfill'
+
 import { MarkdownSerializer, defaultMarkdownSerializer } from 'prosemirror-markdown'
 
 const loadSyntaxHighlight = async(language) => {

webpack.common.js

@@ -46,7 +46,7 @@ module.exports = {
 			{
 				test: /\.js$/,
 				loader: 'babel-loader',
-				exclude: /node_modules/
+				exclude: /node_modules(?!(\/|\\)(proxy-polyfill)(\/|\\))/,
 			},
 			{
 				test: /\.(png|jpg|gif|svg)$/,