fix: fix nested allOf handling

index.js

@@ -457,18 +457,10 @@ function buildCode (schema, code, laterCode, name, externalSchema, fullSchema) {
   return { code: code, laterCode: laterCode }
 }
 
-function buildInnerObject (schema, name, externalSchema, fullSchema) {
-  var laterCode = ''
-  var code = ''
-  if (schema.patternProperties) {
-    code += addPatternProperties(schema, externalSchema, fullSchema)
-  } else if (schema.additionalProperties && !schema.patternProperties) {
-    code += addAdditionalProperties(schema, externalSchema, fullSchema)
-  }
-
+function buildCodeWithAllOfs (schema, code, laterCode, name, externalSchema, fullSchema) {
   if (schema.allOf) {
     schema.allOf.forEach((ss) => {
-      var builtCode = buildCode(ss, code, laterCode, name, externalSchema, fullSchema)
+      var builtCode = buildCodeWithAllOfs(ss, code, laterCode, name, externalSchema, fullSchema)
 
       code = builtCode.code
       laterCode = builtCode.laterCode
@@ -483,6 +475,18 @@ function buildInnerObject (schema, name, externalSchema, fullSchema) {
   return { code: code, laterCode: laterCode }
 }
 
+function buildInnerObject (schema, name, externalSchema, fullSchema) {
+  var laterCode = ''
+  var code = ''
+  if (schema.patternProperties) {
+    code += addPatternProperties(schema, externalSchema, fullSchema)
+  } else if (schema.additionalProperties && !schema.patternProperties) {
+    code += addAdditionalProperties(schema, externalSchema, fullSchema)
+  }
+
+  return buildCodeWithAllOfs(schema, code, laterCode, name, externalSchema, fullSchema)
+}
+
 function addIfThenElse (schema, name, externalSchema, fullSchema) {
   var code = ''
   var r

package.json

@@ -5,7 +5,9 @@
   "main": "index.js",
   "scripts": {
     "benchmark": "node bench.js",
-    "test": "standard && tap -j4 test/*.test.js"
+    "lint": "standard",
+    "unit": "tap -j4 test/*.test.js",
+    "test": "npm run lint && npm run unit"
   },
   "precommit": "test",
   "repository": {

test/allof.test.js

@@ -125,3 +125,62 @@ test('object with allOf and no schema on the allOf', (t) => {
     t.is(e.message, 'schema is invalid: data.allOf should NOT have less than 1 items')
   }
 })
+
+test('object with nested allOfs', (t) => {
+  t.plan(1)
+
+  const schema = {
+    title: 'object with nested allOfs',
+    type: 'object',
+    allOf: [
+      {
+        required: [
+          'id'
+        ],
+        type: 'object',
+        properties: {
+          id1: {
+            type: 'integer'
+          }
+        }
+      },
+      {
+        allOf: [
+          {
+            type: 'object',
+            properties: {
+              id2: {
+                type: 'integer'
+              }
+            }
+          },
+          {
+            type: 'object',
+            properties: {
+              id3: {
+                type: 'integer'
+              }
+            }
+          }
+        ]
+      }
+    ]
+  }
+
+  try {
+    const stringify = build(schema)
+    try {
+      const value = stringify({
+        id1: 1,
+        id2: 2,
+        id3: 3,
+        id4: 4 // extra prop shouldn't be in result
+      })
+      t.is(value, '{"id1":1,"id2":2,"id3":3}')
+    } catch (e) {
+      t.fail()
+    }
+  } catch (e) {
+    t.fail()
+  }
+})