From dcb4533d6b73a2ab6572b105c6c663094e77ca44 Mon Sep 17 00:00:00 2001
From: Mattias Runge <mattias@runge.se>
Date: Mon, 23 Apr 2012 21:14:30 +0200
Subject: [PATCH] Changed startOf method to use a switch with fallthrough as
 suggested by timrwood, added /* falls through */ comments to pass JSHint

---
 moment.js | 59 ++++++++++++++++++++++---------------------------------
 1 file changed, 24 insertions(+), 35 deletions(-)

diff --git a/moment.js b/moment.js
index d14cbbb67..b85ca7d56 100644
--- a/moment.js
+++ b/moment.js
@@ -817,43 +817,32 @@
         },
 
         startOf: function (val) {
-            if (val === 'years') {
-                return this.clone()
-                    .month(0)
-                    .date(1)
-                    .hours(0)
-                    .minutes(0)
-                    .seconds(0)
-                    .milliseconds(0);
-            } else if (val === 'months') {
-                return this.clone()
-                    .date(1)
-                    .hours(0)
-                    .minutes(0)
-                    .seconds(0)
-                    .milliseconds(0);
-            } else if (val === 'days') {
-                return this.clone()
-                    .hours(0)
-                    .minutes(0)
-                    .seconds(0)
-                    .milliseconds(0);
-            } else if (val === 'hours') {
-                return this.clone()
-                    .minutes(0)
-                    .seconds(0)
-                    .milliseconds(0);
-            } else if (val === 'minutes') {
-                return this.clone()
-                    .seconds(0)
-                    .milliseconds(0);
-            } else if (val === 'seconds') {
-                return this.clone()
-                    .milliseconds(0);
+            var output = this.clone();
+            // the following switch intentionally omits break keywords
+            // to utilize falling through the cases.
+            switch (val) {
+            case 'years':
+                output.month(0);
+                /* falls through */
+            case 'months':
+                output.date(1);
+                /* falls through */
+            case 'days':
+                output.hours(0);
+                /* falls through */
+            case 'hours':
+                output.minutes(0);
+                /* falls through */
+            case 'minutes':
+                output.seconds(0);
+                /* falls through */
+            case 'seconds':
+                output.milliseconds(0);
+                /* falls through */
             }
-            return this.clone();
+            return output;
         },
-        
+                
         endOf: function (val) {
             return this.startOf(val).add(val, 1).subtract('milliseconds', 1);
         },
-- 
2.47.2