node-api: add support for Float16Array

PR-URL: #58879
Reviewed-By: Vladimir Morozov <vmorozov@microsoft.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>

Author: IlyasShabi

doc/api/n-api.md

@@ -2286,6 +2286,13 @@ object such that no properties can be set on it, and no prototype.
 
 #### `napi_typedarray_type`
 
+<!-- YAML
+changes:
+ - version: REPLACEME
+ pr-url: https://github.com/nodejs/node/pull/58879
+ description: Added `napi_float16_array` for Float16Array support.
+-->
+
 ```c
 typedef enum {
  napi_int8_array,
@@ -2299,6 +2306,7 @@ typedef enum {
  napi_float64_array,
  napi_bigint64_array,
  napi_biguint64_array,
+ napi_float16_array,
 } napi_typedarray_type;
 ```
 

src/js_native_api_types.h

@@ -133,6 +133,8 @@ typedef enum {
 napi_float64_array,
 napi_bigint64_array,
 napi_biguint64_array,
+#define NODE_API_HAS_FLOAT16_ARRAY
+napi_float16_array,
 } napi_typedarray_type;
 
 typedefenum {

src/js_native_api_v8.cc

@@ -3259,6 +3259,10 @@ napi_status NAPI_CDECL napi_create_typedarray(napi_env env,
 CREATE_TYPED_ARRAY(
  env, BigUint64Array, 8, buffer, byte_offset, length, typedArray);
 break;
+case napi_float16_array:
+CREATE_TYPED_ARRAY(
+ env, Float16Array, 2, buffer, byte_offset, length, typedArray);
+break;
 default:
 returnnapi_set_last_error(env, napi_invalid_arg);
  }
@@ -3297,6 +3301,8 @@ napi_status NAPI_CDECL napi_get_typedarray_info(napi_env env,
  *type = napi_int32_array;
  } elseif (value->IsUint32Array()) {
  *type = napi_uint32_array;
+ } elseif (value->IsFloat16Array()) {
+ *type = napi_float16_array;
  } elseif (value->IsFloat32Array()) {
  *type = napi_float32_array;
  } elseif (value->IsFloat64Array()) {

test/js-native-api/test_typedarray/test.js

@@ -41,8 +41,8 @@ assert.strictEqual(externalResult[2], 2);
 // Validate creation of all kinds of TypedArrays
 constbuffer=newArrayBuffer(128);
 constarrayTypes=[Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,
-Uint16Array,Int32Array,Uint32Array,Float32Array,
-Float64Array,BigInt64Array,BigUint64Array];
+Uint16Array,Int32Array,Uint32Array,Float16Array,
+Float32Array,Float64Array,BigInt64Array,BigUint64Array];
 
 arrayTypes.forEach((currentType)=>{
 consttemplate=Reflect.construct(currentType,buffer);
@@ -64,7 +64,7 @@ arrayTypes.forEach((currentType) => {
 });
 
 constnonByteArrayTypes=[Int16Array,Uint16Array,Int32Array,Uint32Array,
-Float32Array,Float64Array,
+Float16Array,Float32Array,Float64Array,
 BigInt64Array,BigUint64Array];
 nonByteArrayTypes.forEach((currentType)=>{
 consttemplate=Reflect.construct(currentType,buffer);

test/js-native-api/test_typedarray/test_typedarray.c

@@ -75,10 +75,9 @@ static napi_value Multiply(napi_env env, napi_callback_info info) {
 returnoutput_array;
 }
 
-staticvoidFinalizeCallback(napi_envenv,
+staticvoidFinalizeCallback(node_api_basic_envenv,
 void*finalize_data,
-void*finalize_hint)
-{
+void*finalize_hint) {
 free(finalize_data);
 }