buffer example

crates/napi/src/bindgen_runtime/js_values/buffer.rs

@@ -18,6 +18,12 @@ impl From<Vec<u8>> for Buffer {
   }
 }
 
+impl From<&[u8]> for Buffer {
+  fn from(inner: &[u8]) -> Self {
+    Buffer::from(inner.to_owned())
+  }
+}
+
 impl AsRef<[u8]> for Buffer {
   fn as_ref(&self) -> &[u8] {
     self.inner.as_slice()

examples/napi/__test__/typegen.spec.ts.md

@@ -34,6 +34,7 @@ Generated by [AVA](https://avajs.dev).
     export function concatStr(mutS: string): string␊
     export function concatUtf16(s: string): string␊
     export function concatLatin1(s: string): string␊
+    export function getBuffer(): Buffer␊
     export class Animal {␊
       readonly kind: Kind␊
       constructor(kind: Kind, name: string)␊

examples/napi/__test__/values.spec.ts

@@ -22,6 +22,7 @@ import {
   throwError,
   readPackageJson,
   getPackageJsonName,
+  getBuffer,
 } from '../'
 
 test('number', (t) => {
@@ -112,3 +113,7 @@ test('serde-json', (t) => {
 
   t.is(getPackageJsonName(packageJson), 'napi-rs')
 })
+
+test('buffer', (t) => {
+  t.is(getBuffer().toString('utf-8'), 'Hello world')
+})

examples/napi/index.d.ts

@@ -24,6 +24,7 @@ export function contains(source: string, target: string): boolean
 export function concatStr(mutS: string): string
 export function concatUtf16(s: string): string
 export function concatLatin1(s: string): string
+export function getBuffer(): Buffer
 export class Animal {
   readonly kind: Kind
   constructor(kind: Kind, name: string)

examples/napi/src/lib.rs

@@ -13,3 +13,4 @@ mod number;
 mod object;
 mod serde;
 mod string;
+mod typed_array;

examples/napi/src/typed_array.rs

@@ -0,0 +1,6 @@
+use napi::bindgen_prelude::*;
+
+#[napi]
+fn get_buffer() -> Buffer {
+  String::from("Hello world").as_bytes().into()
+}