fix build script

wax-prosemirror-services/rollup.config.js

@@ -21,6 +21,12 @@ export default {
     babel({
       presets: ['react-app'],
       plugins: [
+        [
+          '@babel/plugin-transform-runtime',
+          {
+            regenerator: true,
+          },
+        ],
         ['@babel/plugin-proposal-decorators', { legacy: true }],
         'babel-plugin-parameter-decorator',
       ],
@@ -40,5 +46,6 @@ export default {
     'prosemirror-schema-list',
     'prosemirror-model',
     'prosemirror-inputrules',
+    '@babel/runtime/regenerator',
   ],
 };

wax-prosemirror-services/src/MathService/plugins/math-nodeview.js

@@ -15,12 +15,11 @@ import { mathjax } from 'mathjax-full/js/mathjax';
 import { TeX } from 'mathjax-full/js/input/tex.js';
 import { SVG } from 'mathjax-full/js/output/svg';
 import { liteAdaptor } from 'mathjax-full/js/adaptors/liteAdaptor.js';
-import { browserAdaptor } from 'mathjax-full/js/adaptors/browserAdaptor';
 import { RegisterHTMLHandler } from 'mathjax-full/js/handlers/html';
-import { AssistiveMmlHandler } from 'mathjax-full/js/a11y/assistive-mml.js';
-
 import { AllPackages } from 'mathjax-full/js/input/tex/AllPackages.js';
-import { STATE } from 'mathjax-full/js/core/MathItem';
+// import { browserAdaptor } from 'mathjax-full/js/adaptors/browserAdaptor';
+// import { AssistiveMmlHandler } from 'mathjax-full/js/a11y/assistive-mml.js';
+// import { STATE } from 'mathjax-full/js/core/MathItem';
 
 //
 //  Minimal CSS needed for stand-alone image