fix build release

babel.config.js

@@ -0,0 +1,27 @@
+module.exports = {
+  plugins: [
+    "@babel/plugin-proposal-function-bind",
+    "@babel/plugin-transform-shorthand-properties"
+  ],
+  presets: [
+    ["@babel/preset-env", {targets: "maintained node versions"}]
+  ],
+  env: {
+    test_coverage: {
+      plugins: [
+        ["istanbul", {exclude: ["test/*.js", "**/*_spec.js"]}]
+      ]
+    },
+    browser: {
+      presets: [
+        ["@babel/preset-env", {
+          targets: "last 2 versions",
+          useBuiltIns: "entry",
+          corejs: 3,
+          shippedProposals: true
+        }]
+      ]
+    }
+  },
+  sourceMaps: true
+}

features/support/hooks.js

@@ -8,6 +8,7 @@ import tmp from 'tmp'
 
 const projectPath = path.join(__dirname, '..', '..')
 const projectNodeModulesPath = path.join(projectPath, 'node_modules')
+const projectBabelConfigPath = path.join(projectPath, 'babel.config.js')
 const moduleNames = fs.readdirSync(projectNodeModulesPath)
 
 Before('@debug', function() {
@@ -28,6 +29,9 @@ Before(function({ sourceLocation: { uri, line } }) {
     'module.exports = {default: "--require-module @babel/register"}'
   fsExtra.outputFileSync(tmpDirProfilePath, profileContent)
 
+  const tmpDirBabelConfigPath = path.join(this.tmpDir, 'babel.config.js')
+  fsExtra.createSymlinkSync(projectBabelConfigPath, tmpDirBabelConfigPath)
+
   const tmpDirNodeModulesPath = path.join(this.tmpDir, 'node_modules')
   const tmpDirCucumberPath = path.join(tmpDirNodeModulesPath, 'cucumber')
   fsExtra.createSymlinkSync(projectPath, tmpDirCucumberPath)

package.json

@@ -188,6 +188,7 @@
     "chai": "^4.0.1",
     "coffeescript": "^2.4.1",
     "connect": "^3.4.0",
+    "core-js": "^3.2.1",
     "coveralls": "^3.0.0",
     "dependency-lint": "^6.0.0",
     "eslint": "^6.3.0",
@@ -204,6 +205,7 @@
     "mustache": "^3.0.1",
     "nyc": "^14.0.0",
     "prettier": "^1.5.2",
+    "regenerator-runtime": "^0.13.3",
     "serve-static": "^1.10.0",
     "sinon": "^7.3.1",
     "sinon-chai": "^3.3.0",
@@ -214,7 +216,7 @@
     "build-browser-example": "BABEL_ENV=browser browserify example/index.js -o dist/browser-example.js -t babelify",
     "build-local-continuous": "babel src --watch -d lib --ignore '**/*_spec.js'",
     "build-local": "babel src -d lib --ignore '**/*_spec.js'",
-    "build-release": "BABEL_ENV=browser browserify src/index.js -o dist/cucumber.js -t babelify --standalone Cucumber",
+    "build-release": "BABEL_ENV=browser browserify scripts/cucumber.js -o dist/cucumber.js -t babelify --standalone Cucumber --debug",
     "feature-test": "node ./bin/cucumber-js",
     "lint-autofix": "eslint --fix \"{example,features,scripts,src,test}/**/*.js\"",
     "lint-code": "eslint \"{example,features,scripts,src,test}/**/*.js\"",

scripts/cucumber.js

@@ -0,0 +1,5 @@
+// File to be browserified to create dist
+
+import 'core-js/stable'
+import 'regenerator-runtime/runtime'
+export * from '../src/index'

yarn.lock

@@ -1566,7 +1566,7 @@ core-js@^2.6.5:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
   integrity sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A==
 
-core-js@^3.0.0:
+core-js@^3.0.0, core-js@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.2.1.tgz#cd41f38534da6cc59f7db050fe67307de9868b09"
   integrity sha512-Qa5XSVefSVPRxy2XfUC13WbvqkxhkwB3ve+pgCQveNgYzbM/UxZeu1dcOX/xr4UmfUd+muuvsaxilQzCyUurMw==
@@ -4539,7 +4539,7 @@ regenerate@^1.4.0:
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
   integrity sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==
 
-regenerator-runtime@^0.13.2:
+regenerator-runtime@^0.13.2, regenerator-runtime@^0.13.3:
   version "0.13.3"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.3.tgz#7cf6a77d8f5c6f60eb73c5fc1955b2ceb01e6bf5"
   integrity sha512-naKIZz2GQ8JWh///G7L3X6LaQUAMp2lvb1rvwwsURe/VXwD6VMfr+/1NuNw3ag8v2kY1aQ/go5SNn79O9JU7yw==