fix: show siblings schema with oneOf (#2576)

src/services/OpenAPIParser.ts

@@ -364,14 +364,18 @@ export class OpenAPIParser {
 
     const allOf = schema.allOf;
     for (let i = 0; i < allOf.length; i++) {
-      const sub = allOf[i];
+      const { oneOf, ...sub } = allOf[i];
-      if (Array.isArray(sub.oneOf)) {
+      if (!oneOf) {
+        continue;
+      }
+      if (Array.isArray(oneOf)) {
         const beforeAllOf = allOf.slice(0, i);
         const afterAllOf = allOf.slice(i + 1);
+        const siblingValues = Object.keys(sub).length > 0 ? [sub] : [];
         return {
-          oneOf: sub.oneOf.map((part: OpenAPISchema) => {
+          oneOf: oneOf.map((part: OpenAPISchema) => {
             return {
-              allOf: [...beforeAllOf, part, ...afterAllOf],
+              allOf: [...beforeAllOf, ...siblingValues, part, ...afterAllOf],
               'x-refsStack': refsStack,
             };
           }),

src/services/__tests__/__snapshots__/OpenAPIParser.test.ts.snap

@@ -21,6 +21,14 @@ exports[`Models Schema should hoist oneOfs when mergin allOf 1`] = `
   "oneOf": [
     {
       "allOf": [
+        {
+          "properties": {
+            "id": {
+              "description": "The user's ID",
+              "type": "integer",
+            },
+          },
+        },
         {
           "properties": {
             "username": {
@@ -61,6 +69,14 @@ exports[`Models Schema should hoist oneOfs when mergin allOf 1`] = `
     },
     {
       "allOf": [
+        {
+          "properties": {
+            "id": {
+              "description": "The user's ID",
+              "type": "integer",
+            },
+          },
+        },
         {
           "properties": {
             "email": {
@@ -99,6 +115,55 @@ exports[`Models Schema should hoist oneOfs when mergin allOf 1`] = `
       ],
       "x-refsStack": undefined,
     },
+    {
+      "allOf": [
+        {
+          "properties": {
+            "id": {
+              "description": "The user's ID",
+              "type": "integer",
+            },
+          },
+        },
+        {
+          "properties": {
+            "id": {
+              "description": "The user's ID",
+              "format": "uuid",
+              "type": "string",
+            },
+          },
+        },
+        {
+          "properties": {
+            "extra": {
+              "type": "string",
+            },
+          },
+        },
+        {
+          "oneOf": [
+            {
+              "properties": {
+                "password": {
+                  "description": "The user's password",
+                  "type": "string",
+                },
+              },
+            },
+            {
+              "properties": {
+                "mobile": {
+                  "description": "The user's mobile",
+                  "type": "string",
+                },
+              },
+            },
+          ],
+        },
+      ],
+      "x-refsStack": undefined,
+    },
   ],
 }
 `;

src/services/__tests__/fixtures/oneOfHoist.json

@@ -9,6 +9,12 @@
       "test": {
         "allOf": [
           {
+            "properties": {
+              "id": {
+                "description": "The user's ID",
+                "type": "integer"
+              }
+            },
             "oneOf": [
               {
                 "properties": {
@@ -25,6 +31,15 @@
                     "type": "string"
                   }
                 }
+              },
+              {
+                "properties": {
+                  "id": {
+                    "description": "The user's ID",
+                    "type": "string",
+                    "format": "uuid"
+                  }
+                }
               }
             ]
           },