fix: Use of x-nullable and nullable for additionalProperties. (#1236)

Author: stijnvanhulle

.changeset/fair-mice-impress.md

@@ -0,0 +1,5 @@
+---
+"@kubb/plugin-oas": patch
+---
+
+Use of `x-nullable` and `nullable` for additionalProperties.

docs/changelog.md

@@ -4,6 +4,10 @@ title: Changelog
 
 # Changelog
 
+## 3.0.0-alpha.22
+- [`plugin-zod`](/plugins/plugin-zod): Use of `x-nullable` and `nullable` for additionalProperties.
+
+
 ## 3.0.0-alpha.21
 - [`plugin-faker`](/plugins/plugin-faker): use of `faker.image.url()` instead of `faker.image.imageUrl()`
 

packages/plugin-faker/src/parser/__snapshots__/index.test.ts.snap

@@ -42,6 +42,8 @@ exports[`faker parse > 'min' 1`] = `undefined`;
 
 exports[`faker parse > 'nullable' 1`] = `undefined`;
 
+exports[`faker parse > 'nullableAdditionalProperties' 1`] = `"{}"`;
+
 exports[`faker parse > 'number' 1`] = `"faker.number.float()"`;
 
 exports[`faker parse > 'object' 1`] = `"{"firstName": faker.string.alpha(),"address": faker.string.alpha()}"`;

packages/plugin-oas/mocks/petStore.yaml

@@ -113,6 +113,11 @@ components:
           type: string
         tag:
           type: string
+        schema:
+          type: object
+          additionalProperties:
+            x-nullable: true
+            type: string
     Pets:
       type: array
       items:

packages/plugin-oas/mocks/schemas.ts

@@ -443,6 +443,30 @@ const basic: Array<{ name: string; schema: Schema }> = [
       keyword: schemaKeywords.blob,
     },
   },
+  {
+    name: 'nullableAdditionalProperties',
+    schema: {
+      keyword: schemaKeywords.object,
+      args: {
+        properties: {},
+        additionalProperties: [
+          {
+            keyword: schemaKeywords.string,
+          },
+          {
+            args: {
+              format: undefined,
+              type: schemaKeywords.string,
+            },
+            keyword: schemaKeywords.schema,
+          },
+          {
+            keyword: schemaKeywords.nullable,
+          },
+        ],
+      },
+    },
+  },
 ]
 
 const full: Array<{ name: string; schema: Schema[] }> = [
@@ -556,6 +580,32 @@ const full: Array<{ name: string; schema: Schema[] }> = [
       },
     ],
   },
+  {
+    name: 'nullableAdditionalProperties',
+    schema: [
+      {
+        keyword: schemaKeywords.object,
+        args: {
+          properties: {},
+          additionalProperties: [
+            {
+              keyword: schemaKeywords.string,
+            },
+            {
+              args: {
+                format: undefined,
+                type: schemaKeywords.string,
+              },
+              keyword: schemaKeywords.schema,
+            },
+            {
+              keyword: schemaKeywords.number,
+            },
+          ],
+        },
+      },
+    ],
+  },
   {
     name: 'Record',
     schema: [

packages/plugin-oas/src/__snapshots__/SchemaGenerator.test.ts.snap

@@ -65,6 +65,43 @@ exports[`SchemaGenerator core > 'Pet' 1`] = `
             "keyword": "name",
           },
         ],
+        "schema": [
+          {
+            "args": {
+              "additionalProperties": [
+                {
+                  "keyword": "string",
+                },
+                {
+                  "args": {
+                    "format": undefined,
+                    "type": "string",
+                  },
+                  "keyword": "schema",
+                },
+                {
+                  "keyword": "nullable",
+                },
+              ],
+              "properties": {},
+            },
+            "keyword": "object",
+          },
+          {
+            "args": {
+              "format": undefined,
+              "type": "object",
+            },
+            "keyword": "schema",
+          },
+          {
+            "args": "schema",
+            "keyword": "name",
+          },
+          {
+            "keyword": "optional",
+          },
+        ],
         "tag": [
           {
             "keyword": "string",

packages/plugin-ts/src/parser/__snapshots__/index.test.ts.snap

@@ -467,6 +467,99 @@ exports[`type parse > 'min' 1`] = `undefined`;
 
 exports[`type parse > 'nullable' 1`] = `undefined`;
 
+exports[`type parse > 'nullableAdditionalProperties' 1`] = `
+NodeObject {
+  "emitNode": undefined,
+  "end": -1,
+  "flags": 16,
+  "id": 0,
+  "kind": 187,
+  "localSymbol": undefined,
+  "members": [
+    NodeObject {
+      "emitNode": undefined,
+      "end": -1,
+      "flags": 16,
+      "id": 0,
+      "jsDoc": undefined,
+      "kind": 181,
+      "localSymbol": undefined,
+      "locals": undefined,
+      "modifierFlagsCache": 0,
+      "modifiers": undefined,
+      "nextContainer": undefined,
+      "original": undefined,
+      "parameters": [
+        NodeObject {
+          "dotDotDotToken": undefined,
+          "emitNode": undefined,
+          "end": -1,
+          "flags": 16,
+          "id": 0,
+          "initializer": undefined,
+          "jsDoc": undefined,
+          "kind": 169,
+          "localSymbol": undefined,
+          "modifierFlagsCache": 0,
+          "modifiers": undefined,
+          "name": IdentifierObject {
+            "emitNode": undefined,
+            "end": -1,
+            "escapedText": "key",
+            "flags": 16,
+            "flowNode": undefined,
+            "id": 0,
+            "jsDoc": undefined,
+            "kind": 80,
+            "parent": undefined,
+            "pos": -1,
+            "symbol": undefined,
+            "transformFlags": 0,
+          },
+          "original": undefined,
+          "parent": undefined,
+          "pos": -1,
+          "questionToken": undefined,
+          "symbol": undefined,
+          "transformFlags": 1,
+          "type": TokenObject {
+            "emitNode": undefined,
+            "end": -1,
+            "flags": 16,
+            "id": 0,
+            "kind": 154,
+            "parent": undefined,
+            "pos": -1,
+            "transformFlags": 1,
+          },
+        },
+      ],
+      "parent": undefined,
+      "pos": -1,
+      "symbol": undefined,
+      "transformFlags": 1,
+      "type": TokenObject {
+        "emitNode": undefined,
+        "end": -1,
+        "flags": 16,
+        "id": 0,
+        "kind": 154,
+        "parent": undefined,
+        "pos": -1,
+        "transformFlags": 1,
+      },
+      "typeArguments": undefined,
+    },
+  ],
+  "modifierFlagsCache": 0,
+  "original": undefined,
+  "parent": undefined,
+  "pos": -1,
+  "symbol": undefined,
+  "transformFlags": 1,
+}
+`;
+
 exports[`type parse > 'number' 1`] = `
 TokenObject {
   "emitNode": undefined,

packages/plugin-zod/src/parser/__snapshots__/index.test.ts.snap

@@ -42,6 +42,8 @@ exports[`zod parse > 'min' 1`] = `".min(2)"`;
 
 exports[`zod parse > 'nullable' 1`] = `".nullable()"`;
 
+exports[`zod parse > 'nullableAdditionalProperties' 1`] = `"z.object({}).catchall(z.string().nullable())"`;
+
 exports[`zod parse > 'number' 1`] = `"z.number()"`;
 
 exports[`zod parse > 'object' 1`] = `"z.object({"firstName": z.string().min(2),"address": z.string().describe("Your address").nullable()})"`;

packages/plugin-zod/src/parser/index.ts

@@ -263,7 +263,7 @@ export function parse(parent: Schema | undefined, current: Schema, options: Pars
       ? current.args.additionalProperties
           .map((schema) => parse(current, schema, options))
           .filter(Boolean)
-          .at(0)
+          .join('')
       : undefined
 
     const text = [