String objects should be considered valid strings.

Author: alpacaaa

src/string.js

@@ -24,7 +24,7 @@ function StringSchema(){
 inherits(StringSchema, MixedSchema, {
 
   _typeCheck(value) {
-     return typeof value === 'string'
+     return (typeof value === 'string') || (typeof value === 'object' && value instanceof String)
   },
 
   required(msg){
@@ -99,4 +99,4 @@ inherits(StringSchema, MixedSchema, {
         test: val => val == null || val === val.toUpperCase()
       })
   }
-})
+})

test/string.js

@@ -52,6 +52,7 @@ describe('String types', function(){
     var inst = string()
 
     inst.isType('5').should.equal(true)
+    inst.isType(new String('5')).should.equal(true)
     inst.isType(false).should.equal(false)
     inst.isType(null).should.equal(false)
     inst.nullable(false).isType(null).should.equal(false)
@@ -135,4 +136,4 @@ describe('String types', function(){
         .should.eventually.equal(false)
     ])
   })
-})
+})