Merge pull request #257 from musou1500/add-select

[FEATURE] Add select

snippets/select.md

@@ -0,0 +1,13 @@
+### select
+
+Retrieve a property that indicated by the selector from object.
+
+If property not exists returns `undefined`.
+
+```js
+const select = (from, selector) =>
+  selector.split('.').reduce((prev, cur) => prev && prev[cur], from);
+
+// const obj = {selector: {to: {val: 'val to select'}}};
+// select(obj, 'selector.to.val'); -> 'val to select'
+```