diff --git a/package.json b/package.json
index 2e67431..52b0f54 100644
--- a/package.json
+++ b/package.json
@@ -25,15 +25,21 @@
     "types"
   ],
   "type": "module",
-  "types": "src/index.d.ts",
+  "types": "types/index.d.ts",
   "exports": {
     ".": {
-      "import": "./src/index.js",
-      "types": "./types/index.d.ts"
+      "node": {
+        "types": "./types/node.d.ts",
+        "import": "./src/node.js"
+      },
+      "default": {
+        "types": "./types/index.d.ts",
+        "import": "./src/index.js"
+      }
     },
     "./src/*.js": {
-      "import": "./src/*.js",
-      "types": "./types/*.d.ts"
+      "types": "./types/*.d.ts",
+      "import": "./src/*.js"
     }
   },
   "scripts": {
diff --git a/src/index.js b/src/index.js
index 8dc88e4..b12757e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,3 @@
-export { parquetWrite, parquetWriteBuffer, parquetWriteFile } from './write.js'
+export { parquetWrite, parquetWriteBuffer } from './write.js'
 export { ByteWriter } from './bytewriter.js'
-export { fileWriter } from './filewriter.js'
 export { ParquetWriter } from './parquet-writer.js'
diff --git a/src/node.js b/src/node.js
new file mode 100644
index 0000000..90722d6
--- /dev/null
+++ b/src/node.js
@@ -0,0 +1,19 @@
+import { fileWriter } from './filewriter.js'
+import { parquetWrite } from './write.js'
+
+export { parquetWrite, parquetWriteBuffer } from './write.js'
+export { ByteWriter } from './bytewriter.js'
+export { ParquetWriter } from './parquet-writer.js'
+export { fileWriter }
+
+/**
+ * Write data as parquet to a local file.
+ *
+ * @import {ParquetWriteOptions} from '../src/types.js'
+ * @param {Omit<ParquetWriteOptions, 'writer'> & {filename: string}} options
+ */
+export function parquetWriteFile(options) {
+  const { filename, ...rest } = options
+  const writer = fileWriter(filename)
+  parquetWrite({ ...rest, writer })
+}
diff --git a/src/write.js b/src/write.js
index 663fd69..528e410 100644
--- a/src/write.js
+++ b/src/write.js
@@ -1,5 +1,4 @@
 import { ByteWriter } from './bytewriter.js'
-import { fileWriter } from './filewriter.js'
 import { ParquetWriter } from './parquet-writer.js'
 import { schemaFromColumnData } from './schema.js'
 
@@ -43,14 +42,3 @@ export function parquetWriteBuffer(options) {
   parquetWrite({ ...options, writer })
   return writer.getBuffer()
 }
-
-/**
- * Write data as parquet to an ArrayBuffer.
- *
- * @param {Omit<ParquetWriteOptions, 'writer'> & {filename: string}} options
- */
-export function parquetWriteFile(options) {
-  const { filename, ...rest } = options
-  const writer = fileWriter(filename)
-  parquetWrite({ ...rest, writer })
-}
diff --git a/test/package.test.js b/test/package.test.js
index a68612a..77ca349 100644
--- a/test/package.test.js
+++ b/test/package.test.js
@@ -5,12 +5,15 @@ describe('package.json', () => {
   it('should have the correct name', () => {
     expect(packageJson.name).toBe('hyparquet-writer')
   })
+
   it('should have a valid version', () => {
     expect(packageJson.version).toMatch(/^\d+\.\d+\.\d+$/)
   })
+
   it('should have MIT license', () => {
     expect(packageJson.license).toBe('MIT')
   })
+
   it('should have precise dev dependency versions', () => {
     const { dependencies, devDependencies } = packageJson
     const allDependencies = { ...dependencies, ...devDependencies }
@@ -18,7 +21,19 @@ describe('package.json', () => {
       expect(version).toMatch(/^\d+\.\d+\.\d+$/)
     })
   })
+
   it('should have no peer dependencies', () => {
     expect('peerDependencies' in packageJson).toBe(false)
   })
+
+  it('should have exports with types first', () => {
+    const { exports } = packageJson
+    expect(Object.keys(exports)).toEqual(['.', './src/*.js'])
+    // node vs default (browser)
+    expect(Object.keys(exports['.'])).toEqual(['node', 'default'])
+    expect(Object.keys(exports['.'].node)).toEqual(['types', 'import'])
+    expect(Object.keys(exports['.'].default)).toEqual(['types', 'import'])
+    // deep imports
+    expect(Object.keys(exports['./src/*.js'])).toEqual(['types', 'import'])
+  })
 })
diff --git a/test/write.file.test.js b/test/write.file.test.js
index fcc5966..8f2008e 100644
--- a/test/write.file.test.js
+++ b/test/write.file.test.js
@@ -1,7 +1,7 @@
 import fs from 'fs'
 import { asyncBufferFromFile, parquetMetadataAsync, parquetReadObjects } from 'hyparquet'
 import { afterEach, beforeEach, describe, expect, it } from 'vitest'
-import { parquetWriteFile } from '../src/index.js'
+import { parquetWriteFile } from '../src/node.js'
 import { exampleData, exampleMetadata } from './example.js'
 
 const filedir = 'data/'