refactor: typescript and microbundle

Author: nerdo

.gitignore

@@ -1,2 +1,2 @@
 node_modules
-build
+dist

.npmignore

@@ -0,0 +1,22 @@
+{
+    "env": {
+      "test": {
+        "presets": [
+          [
+            "@babel/env",
+            {
+              "targets": {
+                "node": "current"
+              }
+            }
+          ],
+          [
+            "@babel/preset-typescript"
+          ]
+        ],
+        "plugins": [
+          "@babel/plugin-transform-modules-commonjs"
+        ]
+      }
+    }
+  }

babel.config.json

@@ -1,39 +1,34 @@
 {
   "name": "@nerdo/utils",
-  "version": "0.0.1",
   "description": "nerdo's JavaScript utilities.",
-  "main": "build/nerdo-utils.js",
-  "scripts": {
-    "test": "jest",
-    "build": "rm -rf build/* && rollup -c",
-    "prepublish": "npm run build"
-  },
+  "version": "1.0.0",
   "author": "Dannel Albert <[email protected]>",
   "license": "MIT",
   "repository": {
     "type": "git",
     "url": "https://github.com/nerdo/js-utils.git"
   },
-  "devDependencies": {
-    "@babel/plugin-transform-modules-commonjs": "^7.7.0",
-    "@babel/preset-env": "^7.7.7",
-    "jest": "^24.9.0",
-    "rollup": "^1.27.13",
-    "rollup-plugin-babel": "^4.3.3",
-    "rollup-plugin-terser": "^5.1.3"
+  "main": "dist/nerdo-utils.js",
+  "umd:main": "dist/nerdo-utils.umd.js",
+  "module": "dist/nerdo-utils.m.js",
+  "esmodule": "dist/nerdo-utils.modern.js",
+  "types": "dist/types/index.d.ts",
+  "files": [
+    "dist/*"
+  ],
+  "scripts": {
+    "test": "jest",
+    "build": "microbundle",
+    "watch": "microbundle -w",
+    "prepublishOnly": "jest && microbundle"
   },
-  "babel": {
-    "env": {
-      "test": {
-        "plugins": [
-          "@babel/plugin-transform-modules-commonjs"
-        ]
-      }
-    },
-    "presets": [
-      [
-        "@babel/env"
-      ]
-    ]
+  "devDependencies": {
+    "@babel/plugin-transform-modules-commonjs": "^7.10.4",
+    "@babel/preset-env": "^7.10.4",
+    "@babel/preset-typescript": "^7.10.4",
+    "@types/jest": "^26.0.4",
+    "jest": "^26.1.0",
+    "microbundle": "^0.12.2",
+    "standard": "^14.3.4"
   }
 }

package-lock.json

@@ -0,0 +1,12 @@
+export enum DayOfWeek {
+  Sunday = 0,
+  Monday = 1,
+  Tuesday = 2,
+  Wednesday = 3,
+  Thursday = 4,
+  Friday = 5,
+  Saturday = 6
+}
+
+module.exports.DayOfWeek = DayOfWeek
+export default DayOfWeek

package.json

@@ -6,11 +6,13 @@ describe('get', () => {
   })
 
   it('should return undefined when given no arguments', () => {
+    // @ts-ignore
     expect(get()).toBeUndefined()
   })
 
   it('should return the object when given no path', () => {
     const obj = {}
+    // @ts-ignore
     expect(get(obj)).toBe(obj)
   })
 

rollup.config.js

@@ -1,4 +1,4 @@
-export const get = function (obj, path, defaultValue) {
+export const get = function (obj: object, path: string | Array<string>, defaultValue?: unknown): unknown {
   const pathParts = Array.isArray(path) ? path : (typeof path === 'string' ? path.split('.') : [])
   return pathParts.reduce(
     (o, key) => typeof o === 'undefined' ? defaultValue : o[key],