Update macro/test docs (#3180)

* Add test and fix plugin type

* Update docs and config pages

4 files changed, 39 insertions, 9 deletions

diff --git a/docs/cli/test.md b/docs/cli/test.md
index e76f37cdc..74a241ef2 100644
--- a/docs/cli/test.md
+++ b/docs/cli/test.md
@@ -1,8 +1,9 @@
 Bun ships with a fast built-in test runner. Tests are executed with the Bun runtime, and support the following features.
 
 - TypeScript and JSX
-- Snapshot testing
 - Lifecycle hooks
+- Snapshot testing
+- UI & DOM testing
 - Watch mode with `--watch`
 - Script pre-loading with `--preload`
 
@@ -68,6 +69,14 @@ See [Test > Lifecycle](/docs/test/lifecycle) for complete documentation.
 
 Snapshots are supported by `bun test`. See [Test > Snapshots](/docs/test/snapshots) for complete documentation.
 
+## UI & DOM testing
+
+Bun is compatible with popular UI testing libraries:
+
+- [HappyDOM](https://github.com/capricorn86/happy-dom)
+- [DOM Testing Library](https://testing-library.com/docs/dom-testing-library/intro/)
+- [React Testing Library](https://testing-library.com/docs/react-testing-library/intro)
+
 ## Performance
 
 Bun's test runner is fast.
diff --git a/docs/runtime/configuration.md b/docs/runtime/configuration.md
index 8dc2bfe24..e1572c990 100644
--- a/docs/runtime/configuration.md
+++ b/docs/runtime/configuration.md
@@ -63,13 +63,6 @@ logLevel = "debug"
 # publicDir = "public"
 # external = ["jquery"]
 
-[macros]
-# Remap any import like this:
-#     import {graphql} from 'react-relay';
-# To:
-#     import {graphql} from 'macro:bun-macro-relay';
-react-relay = { "graphql" = "bun-macro-relay" }
-
 [define]
 # Replace any usage of "process.env.bagel" with the string `lox`.
 # The values are parsed as JSON, except single-quoted strings are supported and `'undefined'` becomes `undefined` in JS.
diff --git a/packages/bun-types/bun.d.ts b/packages/bun-types/bun.d.ts
index 079595b19..1bbc89028 100644
--- a/packages/bun-types/bun.d.ts
+++ b/packages/bun-types/bun.d.ts
@@ -2764,7 +2764,7 @@ declare module "bun" {
      * ```
      */
     namespace?: string;
-    external: boolean;
+    external?: boolean;
   }
 
   type OnResolveCallback = (
diff --git a/test/bundler/bundler_plugin.test.ts b/test/bundler/bundler_plugin.test.ts
index aabdb495a..f8e5d8d59 100644
--- a/test/bundler/bundler_plugin.test.ts
+++ b/test/bundler/bundler_plugin.test.ts
@@ -122,6 +122,34 @@ describe("bundler", () => {
       "/foo.magic": [`123`],
     },
   });
+  itBundled("plugin/ResolveAndLoadDefaultExport", {
+    todo: true,
+    files: {
+      "index.ts": /* ts */ `
+      import foo from "./foo.magic";
+      console.log(foo);
+    `,
+      "foo.magic": `
+      hello world
+    `,
+    },
+    plugins(builder) {
+      builder.onResolve({ filter: /\.magic$/ }, async args => {
+        return {
+          path: path.resolve(args.importer, args.path),
+        };
+      });
+      builder.onLoad({ filter: /\.magic$/ }, async args => {
+        return {
+          contents: `export default "foo";`,
+          loader: "js",
+        };
+      });
+    },
+    run: {
+      stdout: "foo",
+    },
+  });
 
   // Load Plugin Errors
   itBundled("plugin/ResolveThrow", {