amilajack · January 23, 2019 18:56 · Jan 23, 2019
diff --git a/esnextbin.md b/esnextbin.md
@@ -0,0 +1 @@
+made with [esnextbin](http://esnextb.in)
diff --git a/index.html b/index.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>ESNextbin Sketch</title>
+  <!-- put additional styles and scripts here -->
+</head>
+<body>
+  <!-- put markup and other contents here -->
+  <img src="" alt="">
+</body>
+</html>
diff --git a/index.js b/index.js
@@ -0,0 +1,20 @@
+function config(b = {}) {
+  if (!b.extends || !b.extends.length) return b;
+  if (!Array.isArray(b.extends)) throw new Error(".extends must be array");
+  let a = [];
+  for (let i = 0; i < b.extends.length; i++) {
+    b.extends[i] = config(b.extends[i]);
+  }
+
+  const f = Object.assign({}, ...b.extends.map(e => e), { ...b });
+
+  delete f.extends;
+  return f;
+}
+
+console.log(
+  config({
+    extends: [{ extends: [{ bar: "zoo", extends: [{ cow: "cow" }] }] }],
+    bar: "bar"
+  })
+);
diff --git a/package.json b/package.json
@@ -0,0 +1,7 @@
+{
+  "name": "esnextbin-sketch",
+  "version": "0.0.0",
+  "dependencies": {
+    "babel-runtime": "6.26.0"
+  }
+}
diff --git a/transpiled.js b/transpiled.js
@@ -0,0 +1,31 @@
+'use strict';
+
+var _toConsumableArray2 = require('babel-runtime/helpers/toConsumableArray');
+
+var _toConsumableArray3 = _interopRequireDefault(_toConsumableArray2);
+
+var _extends2 = require('babel-runtime/helpers/extends');
+
+var _extends3 = _interopRequireDefault(_extends2);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function config() {
+  var b = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+  if (!b.extends || !b.extends.length) return b;
+  if (!Array.isArray(b.extends)) throw new Error('.extends must be array');
+  var a = [];
+  for (var i = 0; i < b.extends.length; i++) {
+    b.extends[i] = config(b.extends[i]);
+  }
+
+  var f = _extends3.default.apply(undefined, [{}].concat((0, _toConsumableArray3.default)(b.extends.map(function (e) {
+    return e;
+  })), [(0, _extends3.default)({}, b)]));
+
+  delete f.extends;
+  return f;
+}
+
+console.log(config({ extends: [{ extends: [{ bar: 'zoo', extends: [{ cow: 'cow' }] }] }], bar: 'bar' }));
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