flow like the river

BACK_BACK/node_modules/mimic-fn/index.js

@@ -0,0 +1,9 @@
+'use strict';
+module.exports = (to, from) => {
+	// TODO: use `Reflect.ownKeys()` when targeting Node.js 6
+	for (const prop of Object.getOwnPropertyNames(from).concat(Object.getOwnPropertySymbols(from))) {
+		Object.defineProperty(to, prop, Object.getOwnPropertyDescriptor(from, prop));
+	}
+
+	return to;
+};