Fix ReferenceError: regeneratorRuntime is not defined

Author: vadimkorr

.babelrc

@@ -8,7 +8,8 @@
     }]
   ],
   "plugins": [
-    "@babel/plugin-proposal-class-properties"
+    "@babel/plugin-proposal-class-properties",
+    "@babel/transform-runtime"
   ],
   "env": {
     "test": {

package.json

@@ -29,6 +29,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.12.10",
+    "@babel/plugin-transform-runtime": "^7.14.5",
     "@babel/preset-env": "^7.12.11",
     "@rollup/plugin-commonjs": "^17.0.0",
     "@rollup/plugin-json": "^4.1.0",
@@ -52,4 +53,4 @@
     "svelte-loader": "^2.13.6"
   },
   "dependencies": {}
-}
+}

rollup.config.js

@@ -97,6 +97,7 @@ export default {
 
     babel({
       exclude: 'node_modules/**',
+      runtimeHelpers: true,
     }),
   ],
   watch: {