no message

.babelrc

-{
-  "presets": ["@babel/preset-env"],
-  "plugins": ["@babel/plugin-proposal-optional-chaining"]
-}
\ No newline at end of file

dist/.babelrc

-{
-  "presets": ["@babel/preset-env"],
-  "plugins": ["@babel/plugin-proposal-optional-chaining"]
-}
\ No newline at end of file

dist/index.js

-"use strict";
-
-module.exports = require('./dist');
\ No newline at end of file

dist/package.json

-{
-  "name": "dma-common-backend",
-  "version": "1.0.0",
-  "description": "",
-  "main": "dist/src/index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "babel index.js -D -d dist && babel src -D -d dist/src && babel ./.babelrc -D -d dist && babel ./package.json -D -d dist && echo '\n🍺  'Build success at `date '+%T %F'`"
-
-  },
-  "devDependencies": {
-    "@babel/cli": "7.0.0-rc.1",
-    "@babel/core": "7.0.0-rc.1",
-    "@babel/node": "7.0.0-rc.1",
-    "@babel/plugin-proposal-optional-chaining": "7.9.0",
-    "@babel/preset-env": "7.0.0-rc.1"
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://tanawat@192.168.10.40/DMA/dma-common-backend.git"
-  },
-  "keywords": [],
-  "author": "",
-  "license": "ISC"
-}

dist/src/index.js

-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.Utils = void 0;
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
-
-function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
-
-var Utils =
-/*#__PURE__*/
-function () {
-  function Utils() {
-    _classCallCheck(this, Utils);
-  }
-
-  _createClass(Utils, null, [{
-    key: "printf",
-
-    /**
-     * @function
-     * @description Testasdfasdfasdf
-     * @param {String} str 
-     * @returns {String}
-     */
-    value: function printf(str) {
-      return "=======>".concat(str, "<=======");
-    }
-  }]);
-
-  return Utils;
-}();
-
-exports.Utils = Utils;
\ No newline at end of file

index.js

-module.exports = require('./dist');
\ No newline at end of file

lib/index.d.ts

+export declare const Greeter: (name: string) => string;

lib/index.js

+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Greeter = void 0;
+exports.Greeter = function (name) { return "Hello " + name; };

package.json

@@ -2,18 +2,14 @@
   "name": "dma-common-backend",
   "name": "dma-common-backend",
   "version": "1.0.0",
   "version": "1.0.0",
   "description": "",
   "description": "",
-  "main": "dist/src/index.js",
+  "main": "lib/index.js",
+  "types": "lib/index.d.ts",
   "scripts": {
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "babel index.js -D -d dist && babel src -D -d dist/src && babel ./.babelrc -D -d dist && babel ./package.json -D -d dist && echo '\n🍺  'Build success at `date '+%T %F'`"
-
+    "build": "tsc"
   },
   },
   "devDependencies": {
   "devDependencies": {
-    "@babel/cli": "7.0.0-rc.1",
-    "@babel/core": "7.0.0-rc.1",
-    "@babel/node": "7.0.0-rc.1",
-    "@babel/plugin-proposal-optional-chaining": "7.9.0",
-    "@babel/preset-env": "7.0.0-rc.1"
+    "typescript": "^4.0.3"
   },
   },
   "repository": {
   "repository": {
     "type": "git",
     "type": "git",

src/index.js

-
-export class Utils {
-    /**
-     * @function
-     * @description Testasdfasdfasdf
-     * @param {String} str 
-     * @returns {String}
-     */
-    static printf(str){
-        return `=======>${str}<=======`;
-    }
-}
\ No newline at end of file

src/index.tsx

+export const Greeter = (name: string) => `Hello ${name}`; 

tsconfig.json

+{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "commonjs",
+        "declaration": true,
+        "outDir": "./lib",
+        "strict": true
+    },
+    "include": [
+        "src"
+    ],
+    "exclude": [
+        "node_modules",
+        "**/__tests__/*"
+    ]
+}
\ No newline at end of file