Merge pull request #1183 from danielo515/patch-1

add forbiddenKeys method to object
hapijs · May 13, 2017 · dcc6f4c · dcc6f4c
2 parents e2b5d49 + e73d0d9
commit dcc6f4c
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diff --git a/lib/object.js b/lib/object.js
@@ -504,6 +504,12 @@ internals.Object = class extends Any {
         return this.applyFunctionToChildren(children, 'optional');
     }
 
+    forbiddenKeys(children) {
+
+        children = Hoek.flatten(Array.prototype.slice.call(arguments));
+        return this.applyFunctionToChildren(children, 'forbidden');
+    }
+
     rename(from, to, options) {
 
         Hoek.assert(typeof from === 'string', 'Rename missing the from argument');

diff --git a/test/any.js b/test/any.js
@@ -1742,6 +1742,20 @@ describe('any', () => {
             ], done);
         });
     });
+    describe('forbiddenKeys()', () => {
+
+        it('should set keys as forbidden', (done) => {
+
+            const schema = Joi.object({ a: Joi.number().required(), b: Joi.number().required() }).forbiddenKeys('a', 'b');
+            Helper.validate(schema, [
+                [{}, true],
+                [{ a: undefined }, true],
+                [{ a: undefined, b: undefined }, true],
+                [{ a: 0 }, false, null, 'child "a" fails because ["a" is not allowed]'],
+                [{ b: 0 }, false, null, 'child "b" fails because ["b" is not allowed]']
+            ], done);
+        });
+    });
 
     describe('empty()', () => {