deps: update babel-preset-lux to version 2.0.1 (#570)

* deps: update babel-preset-lux to version 2.0.0

* fix: update babel-hook to not include missing plugins

* deps: update babel-preset-lux to version 2.0.1

* fix: update babel-hook

* fix: do not set node_env in package.json

.babelrc

@@ -1,3 +1,5 @@
 {
-  "presets": ["lux"]
+  "presets": ["lux"],
+  "minified": true,
+  "comments": false
 }

.eslintrc.json

@@ -27,10 +27,12 @@
     }
   },
   "rules": {
+    "strict": 0,
     "max-len": ["error", 80],
     "arrow-parens": 0,
     "comma-dangle": [2, "only-multiline"],
     "prefer-reflect": 2,
+    "global-require": 0,
     "class-methods-use-this": 0,
     "no-restricted-syntax": [
       "error",
@@ -49,6 +51,7 @@
       ],
       "newlines-between": "always"
     }],
+    "import/no-dynamic-require": 0,
     "import/prefer-default-export": 0,
     "flowtype/semi": 2,
     "flowtype/no-dupe-keys": 2,

lib/babel-hook.js

@@ -1,18 +1,29 @@
-'use strict'; // eslint-disable-line strict, lines-around-directive
+'use strict';
 
-// Require this module to use code in the /src dir prior to transpilation.
+const IS_NODE_SEVEN = process.version.charAt(1) === '7';
+const HAS_HARMONY_FLAG = process.execArgv.includes('--harmony');
 
-const plugins = (...items) => items.concat([
-  'transform-async-to-generator',
-  'transform-class-properties',
-  'transform-es2015-destructuring',
-  'transform-es2015-parameters',
-  'transform-es2015-spread',
-  'transform-exponentiation-operator',
-  'transform-flow-strip-types',
-  'transform-object-rest-spread',
-  'transform-es2015-modules-commonjs'
-]);
+const plugins = (...items) => {
+  const defaultPlugins = [
+    'transform-class-properties',
+    'transform-flow-strip-types',
+    'transform-es2015-modules-commonjs',
+    ['transform-object-rest-spread', {
+      useBuiltIns: true
+    }]
+  ];
+
+  if (!IS_NODE_SEVEN) {
+    defaultPlugins.push(
+      'babel-plugin-transform-exponentiation-operator',
+      'babel-plugin-transform-async-to-generator'
+    );
+  } else if (!HAS_HARMONY_FLAG) {
+    defaultPlugins.push('babel-plugin-transform-async-to-generator');
+  }
+
+  return items.concat(defaultPlugins);
+};
 
 // eslint-disable-next-line import/no-extraneous-dependencies
 require('babel-core/register')({

package.json

@@ -59,7 +59,7 @@
     "babel-core": "6.21.0",
     "babel-plugin-istanbul": "2.0.3",
     "babel-plugin-transform-es2015-modules-commonjs": "6.18.0",
-    "babel-preset-lux": "1.3.0",
+    "babel-preset-lux": "2.0.1",
     "chai": "3.5.0",
     "eslint-config-airbnb-base": "11.0.0",
     "eslint-plugin-flowtype": "2.29.1",

scripts/build/cli.js

@@ -1,5 +1,7 @@
 'use strict'; // eslint-disable-line strict, lines-around-directive
 
+process.env.NODE_ENV = 'production';
+
 require('../../lib/babel-hook');
 
 const { EOL } = require('os');