fixed regeneratorRuntime error for jest

babel.config.json

@@ -0,0 +1,3 @@
+{
+    "presets": ["@babel/preset-env"]
+}

jest.config.js

@@ -1,5 +1,8 @@
 module.exports = {
   preset: 'ts-jest',
   testEnvironment: 'node',
-  transform: {}
+  transform: {
+    "^.+\\.jsx?$": "babel-jest"
+  },
+  setupFilesAfterEnv: ["./setupTests.js"] 
 };

package.json

@@ -16,13 +16,16 @@
   "author": "Patrick Smith",
   "license": "MIT",
   "devDependencies": {
+    "@babel/preset-env": "^7.20.2",
+    "babel-jest": "^29.3.1",
     "jest": "^26.6.3",
     "microbundle": "^0.12.4",
+    "regenerator-runtime": "^0.13.11",
     "ts-jest": "^26.4.4",
     "ts-node": "^9.1.1",
     "typescript": "^4.1.3"
   },
   "dependencies": {
-    "parcook": "^0.2.0"
+    "yieldparser": "^0.4.0"
   }
 }

setupTests.js

@@ -0,0 +1 @@
+import 'regenerator-runtime/runtime';

src/index.test.ts

@@ -1,6 +1,6 @@
 import { parse } from "./index";
 
-test("parse()", () => {
+describe("parse()", () => {
   test.each([
     ['Monday', { weekdays: new Set(['monday']) }],
     ['Wednesday', { weekdays: new Set(['wednesday']) }],

src/index.ts

@@ -1,4 +1,4 @@
-import { has, optional, parse as parseWith, ParseGenerator, ParseYieldable } from 'parcook';
+import { has, optional, parse as parseWith, ParseGenerator, ParseYieldable } from 'yieldparser';
 
 const whitespaceOptional = /^\s*/;