Remove Babel

package.json

@@ -39,16 +39,7 @@
   },
   "homepage": "https://github.com/tus/tus-js-client",
   "devDependencies": {
-    "@babel/cli": "^7.0.0",
-    "@babel/core": "^7.13.10",
-    "@babel/eslint-parser": "^7.13.10",
-    "@babel/eslint-plugin": "^7.13.10",
-    "@babel/helper-get-function-arity": "^7.16.7",
-    "@babel/plugin-syntax-jsx": "^7.12.13",
-    "@babel/plugin-transform-modules-commonjs": "^7.9.6",
-    "@babel/preset-env": "^7.0.0",
     "axios": "^0.28.0",
-    "babelify": "^10.0.0",
     "browserify": "^17.0.0",
     "chokidar-cli": "^3.0.0",
     "eslint": "^7.22.0",
@@ -73,7 +64,6 @@
     "npm-run-all": "^4.1.5",
     "prettier": "^3.0.3",
     "puppeteer": "^22.3.0",
-    "regenerator-runtime": "^0.14.0",
     "temp": "^0.9.4",
     "throttle": "^1.0.3",
     "tsd": "0.31.0",
@@ -90,7 +80,7 @@
     "url-parse": "^1.5.7"
   },
   "scripts": {
-    "build-test-bundle": "mkdir -p dist && browserify test/spec/browser-index.js -t [ babelify --plugins [ @babel/transform-modules-commonjs ] ] -d -o dist/browser-test-bundle.js",
+    "build-test-bundle": "mkdir -p dist && browserify test/spec/browser-index.js -d -o dist/browser-test-bundle.js",
     "build-bundle": "mkdir -p dist && browserify lib.es5/browser/index.js -s tus -d | exorcist ./dist/tus.js.map > dist/tus.js",
     "build-minify": "uglifyjs ./dist/tus.js -o ./dist/tus.min.js --compress --mangle --source-map \"content='./dist/tus.js.map',url='tus.min.js.map'\"",
     "build-transpile-esm": "tsc --project tsconfig-esm.json",

test/spec/browser-index.js

@@ -1,10 +1,5 @@
 'use strict'
 
-// The regenerator runtime is needed since the test use functions
-// with the async/await keywords. See
-// https://babeljs.io/docs/en/babel-plugin-transform-regenerator
-require('regenerator-runtime/runtime')
-
 beforeEach(() => {
   // Clear localStorage before every test to prevent stored URLs to
   // interfere with our setup.