[added] string.ensure

Coerce empty values to empty strings
belstone · Jun 24, 2016 · 758ac51 · 758ac51
1 parent f2b0078
commit 758ac51
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/string.js b/src/string.js
@@ -88,6 +88,12 @@ inherits(StringSchema, MixedSchema, {
   },
 
   //-- transforms --
+  ensure() {
+    return this
+      .default('')
+      .transform(val => val === null ? '' : val)
+  },
+
   trim(msg) {
     msg = msg || locale.trim