Convert plugin to ESM and split large files

.eslintrc.json

@@ -0,0 +1,20 @@
+{
+  "env": {
+    "es6": true,
+    "node": true,
+    "jest": true
+  },
+  "extends": ["eslint:recommended", "plugin:import/recommended"],
+  "globals": {
+    "cy": true
+  },
+
+  "parserOptions": {
+    "sourceType": "module",
+    "ecmaVersion": "latest"
+  },
+  "rules": {
+    "import/extensions": ["error", "always"],
+    "import/order": ["error", { "newlines-between": "always" }]
+  }
+}

cypress.config.js

@@ -1,9 +1,11 @@
-const { defineConfig } = require('cypress');
+import { defineConfig } from 'cypress';
 
-module.exports = defineConfig({
+import plugin from './cypress/plugins/index.js';
+
+export default defineConfig({
   e2e: {
     setupNodeEvents(on, config) {
-      return require('./cypress/plugins/index.js')(on, config);
+      return plugin(on, config);
     },
   },
 });

cypress/plugins/index.js

@@ -1 +1 @@
-module.exports = () => {}
+export default () => {};

jest.config.cjs

@@ -0,0 +1,6 @@
+module.exports = {
+  roots: ['<rootDir>/src'],
+  testMatch: ['**/__tests__/**/*.+(ts|js)', '**/?(*.)+(spec|test).+(ts|js)'],
+  setupFiles: ['<rootDir>/test/setup.js'],
+  transform: {},
+};