fix: recursion for boolean items (#2097)

src/services/OpenAPIParser.ts

@@ -271,16 +271,13 @@ export class OpenAPIParser {
       }
 
       if (items !== undefined && !isCircular) {
-        // FIXME: this is invalid here, we need to fix it in separate PR
         const receiverItems =
           typeof receiver.items === 'boolean'
-            ? { items: receiver.items }
+            ? {}
-            : receiver.items
+            : (Object.assign({}, receiver.items) as OpenAPISchema);
-            ? (Object.assign({}, receiver.items) as OpenAPISchema)
-            : {};
         const subSchemaItems =
           typeof subSchema.items === 'boolean'
-            ? { items: subSchema.items }
+            ? {}
             : (Object.assign({}, subSchema.items) as OpenAPISchema);
         // merge inner properties
         receiver.items = this.mergeAllOf(

src/services/__tests__/fixtures/3.1/prefixItems.json

@@ -140,6 +140,14 @@
           "$ref": "#/components/schemas/Tag"
         }
       },
+      "Case7": {
+        "type": "object",
+        "properties": {
+          "array_field": {
+            "$ref": "#/components/schemas/AnyArray"
+          }
+        }
+      },
       "Cat": {
         "type": "object",
         "properties": {
@@ -178,6 +186,10 @@
         "type": "integer",
         "format": "int64",
         "readOnly": true
+      },
+      "AnyArray": {
+        "type": "array",
+        "items": true
       }
     }
   }

src/services/__tests__/fixtures/arrayItems.json

@@ -140,6 +140,14 @@
           "$ref": "#/components/schemas/Tag"
         }
       },
+      "Case7": {
+        "type": "object",
+        "properties": {
+          "array_field": {
+            "$ref": "#/components/schemas/AnyArray"
+          }
+        }
+      },
       "Cat": {
         "type": "object",
         "properties": {
@@ -178,6 +186,10 @@
         "type": "integer",
         "format": "int64",
         "readOnly": true
+      },
+      "AnyArray": {
+        "type": "array",
+        "items": true
       }
     }
   }

src/services/__tests__/models/Schema.test.ts

@@ -242,6 +242,21 @@ describe('Models', () => {
           expect(schema.minItems).toBe(1);
         },
       );
+
+      test.each(eachArray)(
+        'schemaDefinition should resolve items with boolean type',
+        specFixture => {
+          const spec = require(specFixture);
+          const parser = new OpenAPIParser(spec, undefined, opts);
+          const schema = new SchemaModel(parser, spec.components.schemas.Case7, '', opts);
+          expect(schema.fields?.[0].schema?.type).toBe('array');
+          expect(schema.fields?.[0].schema?.typePrefix).toBe('Array of ');
+          expect(schema.fields?.[0].schema.items?.displayType).toBe('any');
+          expect(schema?.fields).toHaveLength(1);
+          expect(schema.fields?.[0].schema.pointer).toEqual('#/components/schemas/AnyArray');
+          expect(schema.fields?.[0].schema.isPrimitive).toBe(true);
+        },
+      );
     });
 
     test('should get correct fields data if it includes allOf', () => {

src/services/models/Schema.ts

@@ -195,7 +195,7 @@ export class SchemaModel {
     } else if (this.hasType('array')) {
       if (isArray(schema.items) || isArray(schema.prefixItems)) {
         this.fields = buildFields(parser, schema, this.pointer, this.options, this.refsStack);
-      } else if (isObject(schema.items)) {
+      } else if (schema.items) {
         this.items = new SchemaModel(
           parser,
           schema.items as OpenAPISchema,