primer cambio

node_modules/moment/src/lib/duration/valid.js

@@ -0,0 +1,55 @@
+import hasOwnProp from '../utils/has-own-prop';
+import toInt from '../utils/to-int';
+import indexOf from '../utils/index-of';
+import { createDuration } from './create';
+
+var ordering = [
+    'year',
+    'quarter',
+    'month',
+    'week',
+    'day',
+    'hour',
+    'minute',
+    'second',
+    'millisecond',
+];
+
+export default function isDurationValid(m) {
+    var key,
+        unitHasDecimal = false,
+        i,
+        orderLen = ordering.length;
+    for (key in m) {
+        if (
+            hasOwnProp(m, key) &&
+            !(
+                indexOf.call(ordering, key) !== -1 &&
+                (m[key] == null || !isNaN(m[key]))
+            )
+        ) {
+            return false;
+        }
+    }
+
+    for (i = 0; i < orderLen; ++i) {
+        if (m[ordering[i]]) {
+            if (unitHasDecimal) {
+                return false; // only allow non-integers for smallest unit
+            }
+            if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
+                unitHasDecimal = true;
+            }
+        }
+    }
+
+    return true;
+}
+
+export function isValid() {
+    return this._isValid;
+}
+
+export function createInvalid() {
+    return createDuration(NaN);
+}