module.exports = {
  whitelist: [
    'rtl',
    'home',
    'blog',
    'archive',
    'date',
    'error404',
    'logged-in',
    'admin-bar',
    'no-customize-support',
    'custom-background',
    'wp-custom-logo',
    'alignnone',
    'alignright',
    'alignleft',
    'wp-caption',
    'wp-caption-text',
    'screen-reader-text',
    'comment-list',
  ],
  whitelistPatterns: [
    /^search(-.*)?$/,
    /^(.*)-template(-.*)?$/,
    /^(.*)?-?single(-.*)?$/,
    /^postid-(.*)?$/,
    /^attachmentid-(.*)?$/,
    /^attachment(-.*)?$/,
    /^page(-.*)?$/,
    /^(post-type-)?archive(-.*)?$/,
    /^author(-.*)?$/,
    /^category(-.*)?$/,
    /^tag(-.*)?$/,
    /^tax-(.*)?$/,
    /^term-(.*)?$/,
    /^(.*)?-?paged(-.*)?$/,
  ],
};

@@ -353,16 +353,38 @@
 -list',%0A
+    'wp-social-link',%0A
   %5D,%0A  w
@@ -747,16 +747,131 @@
 .*)?$/,%0A
+    /%5Ewp-block-(.*)?$/,%0A    /%5Ehas-(.*)?$/,%0A    /%5Eis-(.*)?$/,%0A    /%5Ewp-embed-(.*)?$/,%0A    /%5Eblocks-gallery-(.*)?$/,%0A
   %5D,%0A%7D;%0A

Add Gutenberg classes to index.js