From ac0e7e089dce2517bd5a39af207243188e82d01c Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Thu, 3 Mar 2016 01:29:46 +0300
Subject: [PATCH] + utils sort: sortBy

---
 src/utils/sort.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/utils/sort.js b/src/utils/sort.js
index 7a168e57..8709033a 100644
--- a/src/utils/sort.js
+++ b/src/utils/sort.js
@@ -12,4 +12,15 @@ export function sortByWeight(list, fn) {
         .map(i => [fn(i), i])
         .sort((a, b) => b[0] - a[0])
         .map(i => i[1]);
+}
+
+export function sortBy(fn) {
+    return (i1, i2) => {
+        let t1 = fn(i1);
+        let t2 = fn(i2);
+
+        if (t1 < t2) return 1;
+        if (t1 > t2) return -1;
+        return 0;
+    }
 }
\ No newline at end of file