hey-api · mrlubos · Oct 30, 2025 · Oct 30, 2025 · Oct 30, 2025 · Oct 30, 2025
diff --git a/.changeset/brown-bags-matter.md b/.changeset/brown-bags-matter.md
@@ -0,0 +1,5 @@
+---
+"@hey-api/openapi-ts": patch
+---
+
+fix(valibot): handle `time` string format
diff --git a/packages/openapi-ts-tests/main/test/3.1.x.test.ts b/packages/openapi-ts-tests/main/test/3.1.x.test.ts
@@ -994,6 +994,14 @@ describe(`OpenAPI ${version}`, () => {
       }),
       description: 'anyOf string and binary string',
     },
+    {
+      config: createConfig({
+        input: 'time-format.yaml',
+        output: 'time-format',
+        plugins: ['valibot'],
+      }),
+      description: 'generates correct valibot schema for time format',
+    },
   ];
 
   it.each(scenarios)('$description', async ({ config }) => {

diff --git a/packages/openapi-ts-tests/main/test/__snapshots__/3.1.x/time-format/valibot.gen.ts b/packages/openapi-ts-tests/main/test/__snapshots__/3.1.x/time-format/valibot.gen.ts
@@ -0,0 +1,20 @@
+// This file is auto-generated by @hey-api/openapi-ts
+
+import * as v from 'valibot';
+
+export const vGetSearchData = v.object({
+    body: v.optional(v.never()),
+    path: v.optional(v.never()),
+    query: v.object({
+        start_time: v.optional(v.pipe(v.string(), v.isoTimeSecond())),
+        end_time: v.pipe(v.string(), v.isoTimeSecond())
+    })
+});
+
+/**
+ * Success
+ */
+export const vGetSearchResponse = v.object({
+    result: v.optional(v.string()),
+    scheduled_time: v.optional(v.pipe(v.string(), v.isoTimeSecond()))
+});
diff --git a/packages/openapi-ts/src/plugins/valibot/v1/toAst/string.ts b/packages/openapi-ts/src/plugins/valibot/v1/toAst/string.ts
@@ -72,6 +72,16 @@ export const stringToAst = ({
           }),
         );
         break;
+      case 'time':
+        pipes.push(
+          tsc.callExpression({
+            functionName: tsc.propertyAccessExpression({
+              expression: v.placeholder,
+              name: identifiers.actions.isoTimeSecond,
+            }),
+          }),
+        );
+        break;
       case 'uri':
         pipes.push(
           tsc.callExpression({
@@ -83,7 +93,6 @@ export const stringToAst = ({
         );
         break;
       case 'email':
-      case 'time':
       case 'uuid':
         pipes.push(
           tsc.callExpression({

diff --git a/specs/3.1.x/time-format.yaml b/specs/3.1.x/time-format.yaml
@@ -0,0 +1,35 @@
+openapi: 3.1.0
+info:
+  title: OpenAPI 3.1.0 time format example
+  version: '1'
+paths:
+  /search:
+    get:
+      summary: Search with time parameter
+      parameters:
+        - name: start_time
+          in: query
+          description: Start time in HH:MM:SS format
+          schema:
+            type: string
+            format: time
+        - name: end_time
+          in: query
+          description: End time in HH:MM:SS format
+          required: true
+          schema:
+            type: string
+            format: time
+      responses:
+        '200':
+          description: Success
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  result:
+                    type: string
+                  scheduled_time:
+                    type: string
+                    format: time