Merge pull request #67 from hoodmane/type-reflection

Add detector for type reflection

README.md

@@ -6,7 +6,7 @@ A small library to detect which features of WebAssembly are supported.
 - ✅ Tree-shakable (only bundle the detectors you use)
 - ✅ Provided as an ES6, CommonJS and UMD module.
 - ✅ CSP compatible
-- ✅ All detectors add up to only ~680B gzipped
+- ✅ All detectors add up to only ~700B gzipped
 
 ## Installation
 
@@ -71,6 +71,7 @@ All detectors return a `Promise<bool>`.
 | `streamingCompilation()` | [Streaming Compilation](https://webassembly.github.io/spec/web-api/index.html#streaming-modules)             |
 | `tailCall()`             | [Tail call](https://github.com/webassembly/tail-call)                                                        |
 | `threads()`              | [Threads](https://github.com/webassembly/threads)                                                            |
+| `typeReflection()`       | [Type Reflection](https://github.com/WebAssembly/js-types)                                                   |
 
 ## Why are all the tests async?
 

src/detectors/type-reflection/index.js

@@ -0,0 +1,22 @@
+/**
+ * Copyright 2023 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+;; Name: Type Reflection
+;; Proposal: https://github.com/WebAssembly/js-types
+;; Features: type-reflection
+*/
+
+export default async () => {
+    return "Function" in WebAssembly;
+};