handle enum property when type is not specified (#324)

Author: KiraPC

index.js

@@ -167,8 +167,7 @@ const objectKeywords = [
   'properties',
   'patternProperties',
   'additionalProperties',
-  'dependencies',
-  'enum'
+  'dependencies'
 ]
 
 const arrayKeywords = [
@@ -1130,10 +1129,6 @@ function nested (laterCode, name, key, location, subKey, isArray) {
     const inferredType = inferTypeByKeyword(schema)
     if (inferredType) {
       schema.type = inferredType
-
-      if (inferredType === 'object' && schema.enum && !Object.hasOwnProperty.call(schema, 'additionalProperties')) {
-        schema.additionalProperties = true
-      }
     }
   }
 

test/enum.test.js

@@ -0,0 +1,37 @@
+'use strict'
+
+const test = require('tap').test
+const build = require('..')
+
+test('use enum without type', (t) => {
+  t.plan(1)
+  const stringify = build({
+    title: 'Example Schema',
+    type: 'object',
+    properties: {
+      order: {
+        type: 'string',
+        enum: ['asc', 'desc']
+      }
+    }
+  })
+
+  const obj = { order: 'asc' }
+  t.equal('{"order":"asc"}', stringify(obj))
+})
+
+test('use enum without type', (t) => {
+  t.plan(1)
+  const stringify = build({
+    title: 'Example Schema',
+    type: 'object',
+    properties: {
+      order: {
+        enum: ['asc', 'desc']
+      }
+    }
+  })
+
+  const obj = { order: 'asc' }
+  t.equal('{"order":"asc"}', stringify(obj))
+})