From 13b5bbbc2c03cff52796041b0c1f46c426f33c3a Mon Sep 17 00:00:00 2001
From: Jure Grabnar <jgrabnar@biosistemika.com>
Date: Tue, 2 Jul 2019 13:55:22 +0200
Subject: [PATCH] Rename .babelrc and .postcssrc.yml to babel.config.js
 postcss.config.js

---
 .babelrc          | 26 -----------------
 .postcssrc.yml    |  3 --
 babel.config.js   | 72 +++++++++++++++++++++++++++++++++++++++++++++++
 postcss.config.js | 12 ++++++++
 4 files changed, 84 insertions(+), 29 deletions(-)
 delete mode 100644 .babelrc
 delete mode 100644 .postcssrc.yml
 create mode 100644 babel.config.js
 create mode 100644 postcss.config.js

diff --git a/.babelrc b/.babelrc
deleted file mode 100644
index 81911fe0c..000000000
--- a/.babelrc
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-  "presets": [
-    [
-      "@babel/preset-env",
-      {
-        "modules": false,
-        "targets": {
-          "browsers": "> 1%",
-          "uglify": true
-        },
-        "useBuiltIns": true
-      }
-    ],
-    "@babel/preset-flow"
-  ],
-  "plugins": [
-    "@babel/plugin-syntax-dynamic-import",
-    "@babel/plugin-proposal-object-rest-spread",
-    [
-      "@babel/plugin-proposal-class-properties",
-      {
-        "spec": true
-      }
-    ]
-  ]
-}
diff --git a/.postcssrc.yml b/.postcssrc.yml
deleted file mode 100644
index 150dac3c6..000000000
--- a/.postcssrc.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-plugins:
-  postcss-import: {}
-  postcss-cssnext: {}
diff --git a/babel.config.js b/babel.config.js
new file mode 100644
index 000000000..12f98da5a
--- /dev/null
+++ b/babel.config.js
@@ -0,0 +1,72 @@
+module.exports = function(api) {
+  var validEnv = ['development', 'test', 'production']
+  var currentEnv = api.env()
+  var isDevelopmentEnv = api.env('development')
+  var isProductionEnv = api.env('production')
+  var isTestEnv = api.env('test')
+
+  if (!validEnv.includes(currentEnv)) {
+    throw new Error(
+      'Please specify a valid `NODE_ENV` or ' +
+        '`BABEL_ENV` environment variables. Valid values are "development", ' +
+        '"test", and "production". Instead, received: ' +
+        JSON.stringify(currentEnv) +
+        '.'
+    )
+  }
+
+  return {
+    presets: [
+      isTestEnv && [
+        '@babel/preset-env',
+        {
+          targets: {
+            node: 'current'
+          }
+        }
+      ],
+      (isProductionEnv || isDevelopmentEnv) && [
+        '@babel/preset-env',
+        {
+          forceAllTransforms: true,
+          useBuiltIns: 'entry',
+          corejs: 3,
+          modules: false,
+          exclude: ['transform-typeof-symbol']
+        }
+      ]
+    ].filter(Boolean),
+    plugins: [
+      'babel-plugin-macros',
+      '@babel/plugin-syntax-dynamic-import',
+      isTestEnv && 'babel-plugin-dynamic-import-node',
+      '@babel/plugin-transform-destructuring',
+      [
+        '@babel/plugin-proposal-class-properties',
+        {
+          loose: true
+        }
+      ],
+      [
+        '@babel/plugin-proposal-object-rest-spread',
+        {
+          useBuiltIns: true
+        }
+      ],
+      [
+        '@babel/plugin-transform-runtime',
+        {
+          helpers: false,
+          regenerator: true,
+          corejs: false
+        }
+      ],
+      [
+        '@babel/plugin-transform-regenerator',
+        {
+          async: false
+        }
+      ]
+    ].filter(Boolean)
+  }
+}
diff --git a/postcss.config.js b/postcss.config.js
new file mode 100644
index 000000000..aa5998a80
--- /dev/null
+++ b/postcss.config.js
@@ -0,0 +1,12 @@
+module.exports = {
+  plugins: [
+    require('postcss-import'),
+    require('postcss-flexbugs-fixes'),
+    require('postcss-preset-env')({
+      autoprefixer: {
+        flexbox: 'no-2009'
+      },
+      stage: 3
+    })
+  ]
+}