fix

jest.config.js

@@ -1,20 +1,14 @@
+/* eslint-env node */
 /** @type {import('ts-jest').JestConfigWithTsJest} */
-export default {
+module.exports = {
   preset: 'ts-jest',
   testEnvironment: 'node',
-  extensionsToTreatAsEsm: ['.ts'],
-  moduleNameMapper: {
-    '^(\\.{1,2}/.*)\\.js$': '$1',
-  },
+  moduleFileExtensions: ['ts', 'js'],
   transform: {
-    '^.+\\.tsx?$': [
-      'ts-jest',
-      {
-        useESM: true,
-      },
-    ],
+    '^.+\\.ts$': 'ts-jest',
   },
-  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
-  testMatch: ['**/__tests__/**/*.ts?(x)', '**/?(*.)+(spec|test).ts?(x)'],
-  testPathIgnorePatterns: ['\\.d\\.ts$', '/node_modules/'],
+  testMatch: ['**/__tests__/**/*.test.ts'],
+  moduleNameMapper: {
+    '^@/(.*)$': '<rootDir>/src/$1'
+  }
 };

package.json

@@ -1,20 +1,18 @@
 {
   "name": "0xalice-tgram-bot",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "description": "Batched Telegram notification bot for 0xAlice",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
-  "type": "module",
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
-      "import": "./dist/index.js",
-      "require": "./dist/index.js"
+      "default": "./dist/index.js"
     }
   },
   "scripts": {
     "build": "tsc",
-    "test": "NODE_OPTIONS=--experimental-vm-modules jest",
+    "test": "jest",
     "lint": "eslint src/**/*.ts",
     "format": "prettier --write 'src/**/*.ts'",
     "prepare": "yarn build",

src/index.ts

@@ -1,3 +1,8 @@
-export * from './types';
 export { MessageBatcher } from './batcher';
 export { TelegramBatcher } from './telegram';
+export type {
+  Message,
+  BatcherConfig,
+  NotificationLevel,
+  MessageProcessor
+} from './types';

tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
-    "target": "ES2020",
-    "module": "ES2020",
+    "target": "es2018",
+    "module": "commonjs",
     "moduleResolution": "node",
     "declaration": true,
     "declarationMap": true,
@@ -10,9 +10,8 @@
     "strict": true,
     "esModuleInterop": true,
     "skipLibCheck": true,
-    "forceConsistentCasingInFileNames": true,
-    "resolveJsonModule": true
+    "forceConsistentCasingInFileNames": true
   },
-  "include": ["src/**/*"],
-  "exclude": ["node_modules", "dist", "src/**/*.test.ts"]
+  "include": ["src"],
+  "exclude": ["node_modules", "dist", "src/__tests__"]
 }