Remove unused code, update prod webpack build for previewScripts

Author: catarak

client/modules/Preview/EmbedFrame.jsx

@@ -1,8 +1,6 @@
 import PropTypes from 'prop-types';
 import React, { useRef, useEffect, useMemo } from 'react';
 import styled from 'styled-components';
-// import escapeStringRegexp from 'escape-string-regexp';
-import srcDoc from 'srcdoc-polyfill';
 import loopProtect from 'loop-protect';
 import { JSHINT } from 'jshint';
 import decomment from 'decomment';
@@ -16,7 +14,7 @@ import {
   EXTERNAL_LINK_REGEX,
   NOT_EXTERNAL_LINK_REGEX
 } from '../../../server/utils/fileUtils';
-import { startTag, getAllScriptOffsets } from '../../utils/consoleUtils';
+import { getAllScriptOffsets } from '../../utils/consoleUtils';
 import { registerFrame } from '../../utils/dispatcher';
 import { createBlobUrl } from './filesReducer';
 

client/utils/previewEntry.js

@@ -11,11 +11,6 @@ import evaluateExpression from './evaluateExpression';
 const editor = window.parent.parent;
 const { editorOrigin } = window;
 const htmlOffset = 12;
-// const editorOrigin = '*';
-// const editorOrigin = 'http://localhost:8000';
-// so this works??
-// maybe i have to pass the parent window??? idk man
-// console.log(window.location);
 window.objectUrls[window.location.href] = '/index.html';
 const blobPath = window.location.href.split('/').pop();
 window.objectPaths[blobPath] = 'index.html';
@@ -66,19 +61,6 @@ function handleMessageEvent(e) {
 
 window.addEventListener('message', handleMessageEvent);
 
-function getScriptOff(line) {
-  const { offs } = window;
-  let l = 0;
-  let file = '';
-  for (let i = 0; i < offs.length; i += 1) {
-    const n = offs[i][0];
-    if (n < line && n > l) {
-      l = n;
-      [, file] = offs[i];
-    }
-  }
-  return [line - l, file];
-}
 // catch reference errors, via http://stackoverflow.com/a/12747364/2994108
 window.onerror = function onError(msg, source, lineNumber, columnNo, error) {
   const urls = Object.keys(window.objectUrls);

package-lock.json

@@ -228,7 +228,6 @@
     "sinon": "^7.5.0",
     "sinon-mongoose": "^2.3.0",
     "slugify": "^1.3.6",
-    "srcdoc-polyfill": "^1.0.0",
     "stacktrace-js": "^2.0.2",
     "styled-components": "^5.0.0",
     "styled-theming": "^2.2.0",

package.json

@@ -28,6 +28,7 @@ module.exports = {
       path.resolve(__dirname, '../client/modules/Preview/previewIndex.jsx')
     ],
     previewScripts: [
+      '@babel/polyfill',
       path.resolve(__dirname, '../client/utils/previewEntry.js')
     ]
   },