Upgrade to TypeScript 7; make the prisma generator TS7-proof

.changeset/typescript-7-build-tooling.md

@@ -0,0 +1,34 @@
+---
+'@pothos/converter': patch
+'@pothos/core': patch
+'@pothos/plugin-add-graphql': patch
+'@pothos/plugin-complexity': patch
+'@pothos/plugin-dataloader': patch
+'@pothos/plugin-directives': patch
+'@pothos/plugin-drizzle': patch
+'@pothos/plugin-errors': patch
+'@pothos/plugin-example': patch
+'@pothos/plugin-federation': patch
+'@pothos/plugin-grafast': patch
+'@pothos/plugin-mocks': patch
+'@pothos/plugin-prisma-utils': patch
+'@pothos/plugin-prisma': patch
+'@pothos/plugin-relay': patch
+'@pothos/plugin-scope-auth': patch
+'@pothos/plugin-simple-objects': patch
+'@pothos/plugin-smart-subscriptions': patch
+'@pothos/plugin-sub-graph': patch
+'@pothos/plugin-tracing': patch
+'@pothos/plugin-validation': patch
+'@pothos/plugin-with-input': patch
+'@pothos/plugin-zod': patch
+'@pothos/test-utils': patch
+'@pothos/tracing-newrelic': patch
+'@pothos/tracing-opentelemetry': patch
+'@pothos/tracing-sentry': patch
+'@pothos/tracing-xray': patch
+---
+
+Rebuild with TypeScript 7. Source files now use explicit `.js` import extensions (enforced by
+lint) instead of adding them during the build, and declaration files are emitted by TypeScript
+7's compiler. Published output is functionally unchanged.

.changeset/typescript-7-support.md

@@ -0,0 +1,18 @@
+---
+'@pothos/plugin-prisma': minor
+'@pothos/plugin-relay': patch
+---
+
+Support TypeScript 7.
+
+The prisma generator (`prisma-pothos-types`) previously built its output with the TypeScript
+compiler API (`ts.factory` + printer), which no longer exists in TypeScript 7 — the Go-based
+compiler ships no in-process JS API. The generator now emits the same output (byte-identical)
+via string templates, so it no longer imports `typescript` at runtime and works regardless of
+which TypeScript version (or none) is installed. The `typescript` peer dependency of
+`@pothos/plugin-prisma` has been removed accordingly.
+
+`@pothos/plugin-relay` contains two internal fixes for type-checker differences between
+TypeScript 6 and 7 (explicit type arguments where 7 picks a different inference candidate, and a
+resolver wrapper that is checked against the declared resolver type). No public types changed;
+the plugin now type-checks cleanly under both majors.

biome.json

@@ -253,6 +253,21 @@
         "indentStyle": "space"
       }
     },
+    {
+      "includes": ["**/packages/*/src/**"],
+      "linter": {
+        "rules": {
+          "correctness": {
+            "useImportExtensions": {
+              "level": "error",
+              "options": {
+                "forceJsExtensions": true
+              }
+            }
+          }
+        }
+      }
+    },
     {
       "includes": ["**/global-types.ts"],
       "linter": {

examples/complex-app/package.json

@@ -14,7 +14,7 @@
     "schema": "node scripts/build-schema.ts",
     "seed": "prisma migrate reset -f",
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "prisma": {
     "seed": "node prisma/seed.ts"

examples/fastify-mercurius/package.json

@@ -11,7 +11,7 @@
   "types": "src/index.ts",
   "scripts": {
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "dependencies": {
     "@pothos/core": "workspace:*",

examples/federation/package.json

@@ -11,7 +11,7 @@
   "types": "src/index.ts",
   "scripts": {
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "dependencies": {
     "@apollo/gateway": "2.13.3",

examples/nextjs/package.json

@@ -6,7 +6,7 @@
     "generate": "tsx graphql/build-schema.ts && echo | gql.tada generate-output",
     "dev": "next dev",
     "prod-build": "next build",
-    "type": "tsgo --noEmit",
+    "type": "tsc --noEmit",
     "start": "next start"
   },
   "dependencies": {

examples/open-telemetry/package.json

@@ -30,6 +30,6 @@
   },
   "scripts": {
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   }
 }

examples/prisma-federation/package.json

@@ -13,7 +13,7 @@
     "generate": "prisma generate",
     "seed": "prisma migrate reset -f",
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "prisma": {
     "seed": "node prisma/seed.ts"

examples/prisma-relay/package.json

@@ -13,7 +13,7 @@
     "generate": "prisma generate",
     "seed": "prisma migrate reset -f",
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "prisma": {
     "seed": "node prisma/seed.ts"

examples/prisma-smart-subscriptions/package.json

@@ -13,7 +13,7 @@
     "generate": "prisma generate",
     "seed": "prisma migrate reset -f",
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "prisma": {
     "seed": "node prisma/seed.ts"

examples/prisma-subscriptions/package.json

@@ -13,7 +13,7 @@
     "generate": "prisma generate",
     "seed": "prisma migrate reset -f",
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "prisma": {
     "seed": "node prisma/seed.ts"

examples/prisma/package.json

@@ -13,7 +13,7 @@
     "generate": "prisma generate",
     "seed": "prisma migrate reset -f",
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "prisma": {
     "seed": "node prisma/seed.ts"

examples/relay-windowed-pagination/package.json

@@ -11,7 +11,7 @@
   "types": "src/index.ts",
   "scripts": {
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "prisma": {
     "seed": "node prisma/seed.ts"

examples/simple-classes/package.json

@@ -11,7 +11,7 @@
   "types": "src/index.ts",
   "scripts": {
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "dependencies": {
     "@faker-js/faker": "^10.4.0",

examples/simple-interfaces/package.json

@@ -11,7 +11,7 @@
   "types": "src/index.ts",
   "scripts": {
     "start": "node src/server.ts",
-    "type": "tsgo --noEmit"
+    "type": "tsc --noEmit"
   },
   "dependencies": {
     "@faker-js/faker": "^10.4.0",

package.json

@@ -34,16 +34,14 @@
     "@biomejs/biome": "^2.4.11",
     "@changesets/cli": "^2.30.0",
     "@faker-js/faker": "^10.4.0",
-    "@swc-node/register": "^1.11.1",
     "@swc/cli": "^0.8.1",
     "@swc/core": "^1.15.24",
     "@types/node": "^25.6.0",
-    "@typescript/native-preview": "npm:@typescript/native-preview@7.0.0-dev.20260616.1",
     "graphql": "^17.0.1",
     "pkg-pr-new": "^0.0.66",
     "tsx": "^4.21.0",
     "turbo": "^2.9.6",
-    "typescript": "npm:@typescript/typescript6@^6.0.0",
+    "typescript": "^7.0.2",
     "vitest": "^4.1.4"
   },
   "engines": {

packages/converter/package.json

@@ -15,13 +15,12 @@
     }
   },
   "scripts": {
-    "type": "tsgo --project tsconfig.type.json",
+    "type": "tsc --project tsconfig.type.json",
     "build": "pnpm build:clean && pnpm build:cjs && pnpm build:dts && pnpm build:esm",
     "build:clean": "git clean -dfX esm lib",
     "build:cjs": "swc src -d lib --config-file ../../.swcrc -C module.type=commonjs --strip-leading-paths",
-    "build:esm": "cp -r dts/* esm/ && swc src -d esm --config-file ../../.swcrc -C module.type=es6 --strip-leading-paths && pnpm esm:extensions",
-    "build:dts": "tsgo",
-    "esm:extensions": "TS_NODE_PROJECT=../../tsconfig.json node -r @swc-node/register ../../scripts/esm-transformer.ts",
+    "build:esm": "cp -r dts/* esm/ && swc src -d esm --config-file ../../.swcrc -C module.type=es6 --strip-leading-paths",
+    "build:dts": "tsc",
     "test": "pnpm vitest --run"
   },
   "repository": {

packages/converter/src/cli.ts

@@ -2,7 +2,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 import { buildSchema } from 'graphql';
 import yargs from 'yargs';
-import PothosConverter from '.';
+import PothosConverter from './index.js';
 
 export default yargs().command(
   'convert <path>',

packages/core/package.json

@@ -15,13 +15,12 @@
     }
   },
   "scripts": {
-    "type": "tsgo --project tsconfig.type.json",
+    "type": "tsc --project tsconfig.type.json",
     "build": "pnpm build:clean && pnpm build:cjs && pnpm build:dts && pnpm build:esm",
     "build:clean": "git clean -dfX esm lib",
     "build:cjs": "swc src -d lib --config-file ../../.swcrc -C module.type=commonjs --strip-leading-paths",
-    "build:esm": "cp -r dts/* esm/ && swc src -d esm --config-file ../../.swcrc -C module.type=es6 --strip-leading-paths && pnpm esm:extensions",
-    "build:dts": "tsgo",
-    "esm:extensions": "TS_NODE_PROJECT=../../tsconfig.json node -r @swc-node/register ../../scripts/esm-transformer.ts",
+    "build:esm": "cp -r dts/* esm/ && swc src -d esm --config-file ../../.swcrc -C module.type=es6 --strip-leading-paths",
+    "build:dts": "tsc",
     "test": "pnpm vitest --run"
   },
   "repository": {

packages/core/src/build-cache.ts

@@ -22,11 +22,11 @@ import {
   type GraphQLTypeResolver,
   GraphQLUnionType,
 } from 'graphql';
-import type { SchemaBuilder } from './builder';
-import type { ConfigStore } from './config-store';
-import { PothosError, PothosSchemaError } from './errors';
-import { type BasePlugin, MergedPlugins } from './plugins';
-import { BuiltinScalarRef } from './refs/builtin-scalar';
+import type { SchemaBuilder } from './builder.js';
+import type { ConfigStore } from './config-store.js';
+import { PothosError, PothosSchemaError } from './errors.js';
+import { type BasePlugin, MergedPlugins } from './plugins/index.js';
+import { BuiltinScalarRef } from './refs/builtin-scalar.js';
 import {
   type InputType,
   type OutputType,
@@ -49,8 +49,8 @@ import {
   type PothosUnionTypeConfig,
   type SchemaTypes,
   typeBrandKey,
-} from './types';
-import { assertNever, getTypeBrand, isThenable } from './utils';
+} from './types/index.js';
+import { assertNever, getTypeBrand, isThenable } from './utils/index.js';
 
 type NullableOutputType =
   | GraphQLScalarType

packages/core/src/builder.ts

@@ -12,25 +12,25 @@ import {
   type GraphQLTypeResolver,
   lexicographicSortSchema,
 } from 'graphql';
-import { BuildCache } from './build-cache';
-import { ConfigStore } from './config-store';
-import { PothosError } from './errors';
-import { InputFieldBuilder } from './fieldUtils/input';
-import { InterfaceFieldBuilder } from './fieldUtils/interface';
-import { MutationFieldBuilder } from './fieldUtils/mutation';
-import { ObjectFieldBuilder } from './fieldUtils/object';
-import { QueryFieldBuilder } from './fieldUtils/query';
-import { SubscriptionFieldBuilder } from './fieldUtils/subscription';
-import { BaseTypeRef } from './refs/base';
-import { EnumRef } from './refs/enum';
-import { ImplementableInputObjectRef, InputObjectRef } from './refs/input-object';
-import { ImplementableInterfaceRef, InterfaceRef } from './refs/interface';
-import { MutationRef } from './refs/mutation';
-import { ImplementableObjectRef, ObjectRef } from './refs/object';
-import { QueryRef } from './refs/query';
-import { ScalarRef } from './refs/scalar';
-import { SubscriptionRef } from './refs/subscription';
-import { UnionRef } from './refs/union';
+import { BuildCache } from './build-cache.js';
+import { ConfigStore } from './config-store.js';
+import { PothosError } from './errors.js';
+import { InputFieldBuilder } from './fieldUtils/input.js';
+import { InterfaceFieldBuilder } from './fieldUtils/interface.js';
+import { MutationFieldBuilder } from './fieldUtils/mutation.js';
+import { ObjectFieldBuilder } from './fieldUtils/object.js';
+import { QueryFieldBuilder } from './fieldUtils/query.js';
+import { SubscriptionFieldBuilder } from './fieldUtils/subscription.js';
+import { BaseTypeRef } from './refs/base.js';
+import { EnumRef } from './refs/enum.js';
+import { ImplementableInputObjectRef, InputObjectRef } from './refs/input-object.js';
+import { ImplementableInterfaceRef, InterfaceRef } from './refs/interface.js';
+import { MutationRef } from './refs/mutation.js';
+import { ImplementableObjectRef, ObjectRef } from './refs/object.js';
+import { QueryRef } from './refs/query.js';
+import { ScalarRef } from './refs/scalar.js';
+import { SubscriptionRef } from './refs/subscription.js';
+import { UnionRef } from './refs/union.js';
 import type {
   AbstractReturnShape,
   AddVersionedDefaultsToBuilderOptions,
@@ -69,8 +69,8 @@ import type {
   SubscriptionFieldsShape,
   SubscriptionFieldThunk,
   ValuesFromEnum,
-} from './types';
-import { normalizeEnumValues, valuesFromEnum, verifyInterfaces, verifyRef } from './utils';
+} from './types/index.js';
+import { normalizeEnumValues, valuesFromEnum, verifyInterfaces, verifyRef } from './utils/index.js';
 
 export class SchemaBuilder<Types extends SchemaTypes> {
   $inferSchemaTypes!: Types;

packages/core/src/config-store.ts

@@ -1,11 +1,11 @@
-import { PothosSchemaError } from './errors';
-import { BaseTypeRef } from './refs/base';
-import { InputObjectRef } from './refs/input-object';
-import { InterfaceRef } from './refs/interface';
-import { MutationRef } from './refs/mutation';
-import { ObjectRef } from './refs/object';
-import { QueryRef } from './refs/query';
-import { SubscriptionRef } from './refs/subscription';
+import { PothosSchemaError } from './errors.js';
+import { BaseTypeRef } from './refs/base.js';
+import { InputObjectRef } from './refs/input-object.js';
+import { InterfaceRef } from './refs/interface.js';
+import { MutationRef } from './refs/mutation.js';
+import { ObjectRef } from './refs/object.js';
+import { QueryRef } from './refs/query.js';
+import { SubscriptionRef } from './refs/subscription.js';
 import type {
   ConfigurableRef,
   FieldMap,
@@ -16,7 +16,7 @@ import type {
   PothosFieldConfig,
   PothosTypeConfig,
   SchemaTypes,
-} from './types';
+} from './types/index.js';
 
 export class ConfigStore<Types extends SchemaTypes> {
   typeConfigs = new Map<string, PothosTypeConfig>();

packages/core/src/fieldUtils/base.ts

@@ -1,6 +1,6 @@
 import { defaultFieldResolver } from 'graphql';
-import type { ArgumentRef } from '../refs/arg';
-import { FieldRef } from '../refs/field';
+import type { ArgumentRef } from '../refs/arg.js';
+import { FieldRef } from '../refs/field.js';
 import type {
   FieldKind,
   FieldNullability,
@@ -10,8 +10,8 @@ import type {
   SchemaTypes,
   ShapeFromTypeParam,
   TypeParam,
-} from '../types';
-import { typeFromParam } from '../utils';
+} from '../types/index.js';
+import { typeFromParam } from '../utils/index.js';
 
 export class BaseFieldUtil<Types extends SchemaTypes, ParentShape, Kind extends FieldKind> {
   kind: Kind;

packages/core/src/fieldUtils/builder.ts

@@ -8,8 +8,8 @@ import type {
   NormalizeArgs,
   SchemaTypes,
   TypeParam,
-} from '../types';
-import { RootFieldBuilder } from './root';
+} from '../types/index.js';
+import { RootFieldBuilder } from './root.js';
 
 export class FieldBuilder<
   Types extends SchemaTypes,