transpile tests 📚

Author: Kent C. Dodds

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "prebuild": "rimraf dist",
     "build": "babel --copy-files --out-dir dist --ignore *.test.js src",
-    "test": "nyc mocha",
+    "test": "cross-env NODE_ENV=test nyc mocha",
     "watch:test": "mocha --watch",
     "lint": "eslint src",
     "validate": "npm-run-all --parallel test lint build"
@@ -33,8 +33,11 @@
   },
   "devDependencies": {
     "babel-cli": "6.11.4",
+    "babel-plugin-istanbul": "1.0.3",
     "babel-preset-es2015": "6.9.0",
+    "babel-register": "6.11.6",
     "chai": "3.5.0",
+    "cross-env": "2.0.0",
     "eslint": "3.2.0",
     "eslint-config-kentcdodds": "^9.0.0",
     "ghooks": "1.3.2",
@@ -56,12 +59,24 @@
     ],
     "include": [
       "src"
+    ],
+    "sourceMap": false,
+    "instrument": false,
+    "require": [
+      "babel-register"
     ]
   },
   "babel": {
     "presets": [
       "es2015"
-    ]
+    ],
+    "env": {
+      "test": {
+        "plugins": [
+          "istanbul"
+        ]
+      }
+    }
   },
   "config": {
     "ghooks": {

src/index.test.js

@@ -1,26 +1,20 @@
-'use strict';
+import {expect} from 'chai'
+import starWarsNames from '.'
 
-var expect = require('chai').expect;
-var starWarsNames = require('.');
+describe('starwars-names', () => {
+  it('should have a list of all available names', () => {
+    expect(starWarsNames.all).to.satisfy(isArrayOfStrings)
+  })
 
-describe('starwars-names', function() {
-  it('should have a list of all available names', function() {
-    expect(starWarsNames.all).to.satisfy(isArrayOfStrings);
-  });
-
-  it('should allow me to get a random name from the list', function() {
-    expect(starWarsNames.random()).to.satisfy(isIncludedIn(starWarsNames.all));
-  });
-});
+  it('should allow me to get a random name from the list', () => {
+    expect(starWarsNames.random()).to.satisfy(isIncludedIn(starWarsNames.all))
+  })
+})
 
 function isArrayOfStrings(array) {
-  return array.every(function(i) {
-    return typeof i === 'string';
-  });
+  return array.every(i => typeof i === 'string')
 }
 
 function isIncludedIn(array) {
-  return function(item) {
-    return array.includes(item);
-  };
+  return item => array.includes(item)
 }