Make a dual package

.eslintrc.cjs

@@ -1,5 +1,4 @@
 'use strict';
-const { join } = require('node:path');
 
 /** @type {import('eslint').Linter.BaseConfig} */
 module.exports = {
@@ -15,13 +14,7 @@ module.exports = {
   },
   rules: {
     'no-use-before-define': 'off',
-    'import/no-extraneous-dependencies': [
-      'error',
-      {
-        includeTypes: true,
-        packageDir: [__dirname, join(__dirname, 'e2e')],
-      },
-    ],
+    'import/no-extraneous-dependencies': 'off', // false positive
   },
   overrides: [
     {

.gitignore

@@ -134,4 +134,4 @@ dist
 
 # User
 /dist
-/e2e/__generated__
+__generated__

e2e/cjs/1-basic-schema.graphql

@@ -0,0 +1,10 @@
+type Book {
+  id: ID!
+  title: String!
+  author: Author!
+}
+type Author {
+  id: ID!
+  name: String!
+  books: [Book!]!
+}

e2e/cjs/codegen.ts

@@ -0,0 +1,33 @@
+import { CodegenConfig } from '@graphql-codegen/cli';
+
+const defaultTypeScriptPluginConfig = {
+  nonOptionalTypename: true,
+  enumsAsTypes: true,
+  avoidOptionals: true,
+  skipTypename: true,
+};
+const defaultFabbricaPluginConfig = {
+  typesFile: './types.js',
+  skipTypename: true,
+};
+
+const config: CodegenConfig = {
+  generates: {
+    '__generated__/1-basic/types.ts': {
+      schema: './1-basic-schema.graphql',
+      plugins: ['typescript'],
+      config: {
+        ...defaultTypeScriptPluginConfig,
+      },
+    },
+    './__generated__/1-basic/fabbrica.ts': {
+      schema: './1-basic-schema.graphql',
+      plugins: ['@mizdra/graphql-codegen-typescript-fabbrica'],
+      config: {
+        ...defaultFabbricaPluginConfig,
+      },
+    },
+  },
+};
+
+module.exports = config;

e2e/cjs/index.e2e.ts

@@ -0,0 +1,43 @@
+import { it } from 'node:test';
+import { defineAuthorFactory, defineBookFactory, dynamic } from './__generated__/1-basic/fabbrica.js';
+import assert from 'node:assert/strict';
+
+it('integration test', async () => {
+  const BookFactory = defineBookFactory({
+    defaultFields: {
+      id: dynamic(({ seq }) => `Book-${seq}`),
+      title: dynamic(({ seq }) => `ゆゆ式 ${seq}巻`),
+      author: undefined,
+    },
+  });
+  const AuthorFactory = defineAuthorFactory({
+    defaultFields: {
+      id: dynamic(({ seq }) => `Author-${seq}`),
+      name: dynamic(({ seq }) => `${seq}上小又`),
+      books: undefined,
+    },
+  });
+  let book = await BookFactory.build({
+    author: await AuthorFactory.build(),
+  });
+
+  assert.deepEqual(book, {
+    id: 'Book-0',
+    title: 'ゆゆ式 0巻',
+    author: {
+      id: 'Author-0',
+      name: '0上小又',
+      books: undefined,
+    },
+  });
+  const _book: {
+    id: string;
+    title: string;
+    author: {
+      id: string;
+      name: string;
+      books: undefined;
+    };
+  } = book;
+  book = _book;
+});

e2e/cjs/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "e2e-cjs",
+  "type": "commonjs",
+  "scripts": {
+    "start": "run-s gen lint test",
+    "gen": "graphql-codegen",
+    "lint": "run-s -c lint:*",
+    "lint:tsc": "tsc",
+    "test": "node --import tsx --test index.e2e.ts"
+  },
+  "engines": {
+    "node": ">=18.0.0"
+  },
+  "dependencies": {
+    "@mizdra/graphql-codegen-typescript-fabbrica": ".."
+  }
+}

e2e/cjs/tsconfig.json

@@ -0,0 +1,4 @@
+{
+  "extends": "../../tsconfig.json",
+  "exclude": ["node_modules"]
+}

e2e/codegen.ts → e2e/esm/codegen.ts

@@ -87,4 +87,4 @@ const config: CodegenConfig = {
   },
 };
 
-module.exports = config;
+export default config;

e2e/package.json → e2e/esm/package.json

@@ -1,12 +1,12 @@
 {
-  "name": "e2e",
+  "name": "e2e-esm",
   "type": "module",
   "scripts": {
     "start": "run-s gen lint test",
-    "gen": "graphql-codegen",
+    "gen": "graphql-codegen-esm",
     "lint": "run-s -c lint:*",
     "lint:tsc": "tsc",
-    "test": "vitest"
+    "test": "vitest --run"
   },
   "engines": {
     "node": ">=18.0.0"

e2e/esm/test/util.ts

@@ -0,0 +1,6 @@
+import { randomInt } from 'node:crypto';
+
+export function oneOf<const T>(items: T[]): T {
+  // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+  return items[randomInt(items.length)]!;
+}

e2e/esm/tsconfig.json

@@ -0,0 +1,4 @@
+{
+  "extends": "../../tsconfig.json",
+  "exclude": ["node_modules"]
+}