feat: implement 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';
@@ -69,12 +70,23 @@ 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

@@ -56,6 +56,31 @@ describe('valibot', () => {
         },
       },
     ],
+    [
+      'array',
+      {
+        textSchema: /* GraphQL */ `
+          input ArrayInput {
+            a: [String]
+            b: [String!]
+            c: [String!]!
+            d: [[String]]
+            e: [[String]!]
+            f: [[String]!]!
+          }
+        `,
+        wantContains: [
+          'export function ArrayInputSchema()',
+          '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())))',
+        ],
+        scalars: undefined,
+      },
+    ],
   ])('%s', async (_, { textSchema, wantContains, scalars }) => {
     const schema = buildSchema(textSchema);
     const result = await plugin(schema, [], { schema: 'valibot', scalars }, {});