feat: support array

Author: MH4GF

src/valibot/index.ts

@@ -12,6 +12,7 @@ import type { ValidationSchemaPluginConfig } from '../config';
 import { BaseSchemaVisitor } from '../schema_visitor';
 import type { Visitor } from '../visitor';
 import {
+  isListType,
   isNamedType,
   isNonNullType,
 } from './../graphql';
@@ -64,12 +65,22 @@ function generateFieldValibotSchema(config: ValidationSchemaPluginConfig, visito
 }
 
 function generateFieldTypeValibotSchema(config: ValidationSchemaPluginConfig, visitor: Visitor, field: InputValueDefinitionNode | FieldDefinitionNode, type: TypeNode, parentType?: TypeNode): string {
+  if (isListType(type)) {
+    const gen = generateFieldTypeValibotSchema(config, visitor, field, type.type, type);
+    const arrayGen = `v.array(${maybeLazy(type.type, gen)})`;
+    if (!isNonNullType(parentType)) {
+      return `v.nullish(${arrayGen})`;
+    }
+    return arrayGen;
+  }
   if (isNonNullType(type)) {
     const gen = generateFieldTypeValibotSchema(config, visitor, field, type.type, type);
     return maybeLazy(type.type, gen);
   }
   if (isNamedType(type)) {
     const gen = generateNameNodeValibotSchema(config, visitor, type.name);
+    if (isListType(parentType))
+      return `v.nullable(${gen})`;
 
     if (isNonNullType(parentType))
       return gen;

tests/valibot.spec.ts

@@ -61,4 +61,32 @@ describe('valibot', () => {
       "
     `);
   })
+  it('array', async () => {
+    const schema = buildSchema(/* GraphQL */ `
+      input PrimitiveInput {
+        a: [String]
+        b: [String!]
+        c: [String!]!
+        d: [[String]]
+        e: [[String]!]
+        f: [[String]!]!
+      }
+    `);
+    const scalars = undefined
+    const result = await plugin(schema, [], { schema: 'valibot', scalars }, {});
+    expect(result.content).toMatchInlineSnapshot(`
+      "
+      export function PrimitiveInputSchema(): v.GenericSchema<PrimitiveInput> {
+        return v.object({
+          a: v.nullish(v.array(v.nullable(v.string()))),
+          b: v.nullish(v.array(v.string())),
+          c: v.array(v.string()),
+          d: v.nullish(v.array(v.nullish(v.array(v.nullable(v.string()))))),
+          e: v.nullish(v.array(v.array(v.nullable(v.string())))),
+          f: v.array(v.array(v.nullable(v.string())))
+        })
+      }
+      "
+    `);
+  })
 })