chore(internal): fix readablestream types in node 20

Author: stainless-app[bot]

scripts/build

@@ -37,8 +37,6 @@ npm exec tsc-multi
 # when building .mjs
 node scripts/utils/fix-index-exports.cjs
 cp tsconfig.dist-src.json dist/src/tsconfig.json
-cp src/internal/shim-types.d.ts dist/internal/shim-types.d.ts
-cp src/internal/shim-types.d.ts dist/internal/shim-types.d.mts
 
 node scripts/utils/postprocess-files.cjs
 

src/internal/shim-types.d.ts

@@ -0,0 +1,26 @@
+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+/**
+ * Shims for types that we can't always rely on being available globally.
+ *
+ * Note: these only exist at the type-level, there is no corresponding runtime
+ * version for any of these symbols.
+ */
+
+type NeverToAny<T> = T extends never ? any : T;
+
+/** @ts-ignore */
+type _DOMReadableStream<R = any> = globalThis.ReadableStream<R>;
+
+/** @ts-ignore */
+type _NodeReadableStream<R = any> = import('stream/web').ReadableStream<R>;
+
+type _ConditionalNodeReadableStream<R = any> =
+  typeof globalThis extends { ReadableStream: any } ? never : _NodeReadableStream<R>;
+
+type _ReadableStream<R = any> = NeverToAny<
+  | ([0] extends [1 & _DOMReadableStream<R>] ? never : _DOMReadableStream<R>)
+  | ([0] extends [1 & _ConditionalNodeReadableStream<R>] ? never : _ConditionalNodeReadableStream<R>)
+>;
+
+export type { _ReadableStream as ReadableStream };

src/internal/shim-types.ts

@@ -7,8 +7,8 @@
  * messages in cases where an environment isn't fully supported.
  */
 
-import { type Fetch } from './builtin-types';
-import { type ReadableStream } from './shim-types';
+import type { Fetch } from './builtin-types';
+import type { ReadableStream } from './shim-types';
 
 export function getDefaultFetch(): Fetch {
   if (typeof fetch !== 'undefined') {