feat: support node built-in module

src/core/index.ts

@@ -1,3 +1,4 @@
+import { builtinModules } from 'node:module'
 import {
   type ImportBinding,
   type WithScope,
@@ -99,8 +100,16 @@ export async function transformMacros({
       const binding = imports.get(local)!
       const [, resolved] = await runner.resolveUrl(binding.source, id)
 
-      const module = await runner.executeFile(resolved)
-      let exported: any = module
+      let exported
+      if (
+        resolved.startsWith('node:') ||
+        builtinModules.includes(resolved.split('/')[0])
+      ) {
+        exported = await import(resolved)
+      } else {
+        const module = await runner.executeFile(resolved)
+        exported = module
+      }
 
       const props = [...keys]
       if (binding.imported !== '*') props.unshift(binding.imported)

tests/__snapshots__/fixtures.test.ts.snap

@@ -47,6 +47,14 @@ exports[`fixture > tests/fixtures/nested-object.js 1`] = `
 "
 `;
 
+exports[`fixture > tests/fixtures/node-builtin.js 1`] = `
+""LE" === 'LE'
+;("* text=auto eol=lf\\n") ===
+  // prettier-ignore
+  "* text=auto eol=lf\\n";
+"
+`;
+
 exports[`fixture > tests/fixtures/non-macros.js 1`] = `
 "function getRandom() {
   return Math.random()

tests/fixtures/node-builtin.js

@@ -0,0 +1,7 @@
+import { endianness } from 'node:os' with { type: 'macro' }
+import { readFile } from 'fs/promises' with { type: 'macro' }
+
+endianness() === 'LE'
+;(await readFile('.gitattributes', { encoding: 'utf8' })) ===
+  // prettier-ignore
+  "* text=auto eol=lf\n"