Test migration to jest by hand

Apparently using regular expressions is way easier.

test/get/get.js

@@ -0,0 +1,9 @@
+const get = (from, ...selectors) =>
+[...selectors].map(s =>
+s
+.replace(/\[([^\[\]]*)\]/g, '.$1.')
+.split('.')
+.filter(t => t !== '')
+.reduce((prev, cur) => prev && prev[cur], from)
+);
+module.exports = get;