chore: remove type module and cleanup

.babelrc

@@ -1,9 +1,4 @@
 {
     "plugins": ["@babel/plugin-proposal-object-rest-spread"],
-    "presets": ["@babel/preset-env"],
-    "env": {
-        "test": {
-            "plugins": ["@istanbuljs/nyc-config-babel"]
-        }
-    }
+    "presets": ["@babel/preset-env"]
 }

.nycrc

@@ -2,6 +2,7 @@
   "include": ["src/**/*.js"],
   "exclude": ["src/**/*.spec.js"],
   "reporter": ["lcov", "text-summary"],
+  "require": ["@babel/register"],
   "sourceMap": false,
   "instrument": true,
   "cache": true,

package.json

@@ -3,7 +3,6 @@
   "version": "1.0.0",
   "description": "",
   "main": "src/index.js",
-  "type": "module",
   "devDependencies": {
     "@babel/cli": "^7.14.8",
     "@babel/core": "^7.15.0",
@@ -12,7 +11,6 @@
     "@babel/polyfill": "^7.12.1",
     "@babel/preset-env": "^7.15.0",
     "@babel/register": "^7.15.3",
-    "@istanbuljs/nyc-config-babel": "^3.0.0",
     "babel-loader": "^8.2.2",
     "chai": "^4.3.4",
     "coveralls": "^3.1.1",

src/index.spec.js

@@ -3,7 +3,11 @@ import { expect } from 'chai'
 import { testable } from './index.js'
 
 describe('do', () => {
-    it('testable', () => {
-        expect(testable()).to.eql({ success: true })
+    it('testable', done => {
+        const expectedResult = { success: true }
+        const result = testable()
+
+        expect(result).to.eql(expectedResult)
+        done()
     })
 })