[Backport] feat: add support for Float16Array (#191)

Author: toyobayashi

.eslintignore

@@ -14,3 +14,4 @@ node_modules
 /packages/**/test/**/expected
 /packages/**/test/**/rollup/src
 /out
+packages/emnapi/src/typings/lib.esnext.float16.d.ts

.github/workflows/main.yml

@@ -37,7 +37,7 @@ env:
   WASI_SDK_PATH: './wasi-sdk-27.0'
   EM_VERSION: '4.0.1'
   EM_CACHE_FOLDER: 'emsdk-cache'
-  NODE_VERSION: '22.16.0'
+  NODE_VERSION: '24.11.1'
 
 jobs:
   build:
@@ -91,7 +91,7 @@ jobs:
 
     - uses: actions/setup-node@v3
       with:
-        node-version: ${{ matrix.target == 'wasm64-unknown-emscripten' && '24.5.0' || env.NODE_VERSION }}
+        node-version: ${{ env.NODE_VERSION }}
         registry-url: 'https://registry.npmjs.org'
 
     - name: NPM Install
@@ -234,8 +234,7 @@ jobs:
       with:
         node-version: ${{ env.NODE_VERSION }}
         registry-url: 'https://registry.npmjs.org'
-    - name: Update npm
-      run: npm install -g npm@latest
+
     - name: NPM Install
       shell: bash
       run: |

packages/core/src/util.ts

@@ -37,7 +37,7 @@ export function load (wasmInput: MaybePromise<InputType>, imports?: WebAssembly.
 
   // BufferSource
   if (wasmInput instanceof ArrayBuffer || ArrayBuffer.isView(wasmInput)) {
-    return _WebAssembly.instantiate(wasmInput, imports)
+    return _WebAssembly.instantiate(wasmInput as BufferSource, imports)
   }
 
   // WebAssembly.Module
@@ -87,7 +87,7 @@ export function loadSync (wasmInput: InputType, imports?: WebAssembly.Imports):
   let module
 
   if ((wasmInput instanceof ArrayBuffer) || ArrayBuffer.isView(wasmInput)) {
-    module = new _WebAssembly.Module(wasmInput)
+    module = new _WebAssembly.Module(wasmInput as BufferSource)
   } else if (wasmInput instanceof WebAssembly.Module) {
     module = wasmInput
   } else {

packages/emnapi/include/node/emnapi.h

@@ -26,6 +26,7 @@ typedef enum {
   emnapi_float64_array,
   emnapi_bigint64_array,
   emnapi_biguint64_array,
+  emnapi_float16_array,
   emnapi_data_view = -1,
   emnapi_buffer = -2,
 } emnapi_memory_view_type;

packages/emnapi/include/node/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;
 
 typedef enum {

packages/emnapi/src/emnapi.ts

@@ -80,6 +80,12 @@ export function emnapi_create_memory_view (
       case emnapi_memory_view_type.emnapi_data_view:
         viewDescriptor = { Ctor: DataView, address: external_data, length: byte_length, ownership: ReferenceOwnership.kUserland, runtimeAllocated: 0 }
         break
+      case emnapi_memory_view_type.emnapi_float16_array:
+        if (typeof Float16Array !== 'function') {
+          return envObject.setLastError(napi_status.napi_invalid_arg)
+        }
+        viewDescriptor = { Ctor: Float16Array, address: external_data as number, length: byte_length >> 1, ownership: ReferenceOwnership.kUserland, runtimeAllocated: 0 }
+        break
       case emnapi_memory_view_type.emnapi_buffer: {
         if (!emnapiCtx.feature.Buffer) {
           throw emnapiCtx.createNotSupportBufferError('emnapi_create_memory_view', '')
@@ -132,7 +138,7 @@ export function emnapi_is_node_binding_available (): int {
   return emnapiNodeBinding ? 1 : 0
 }
 
-export function $emnapiSyncMemory<T extends ArrayBuffer | ArrayBufferView> (
+export function $emnapiSyncMemory<T extends ArrayBufferLike | ArrayBufferView> (
   js_to_wasm: boolean,
   arrayBufferOrView: T,
   offset?: number,