New wasmtime workflow

Author: TartanLlama

.github/workflows/main.yml

@@ -99,13 +99,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: "Install wasi-sdk-20 (linux)"
+    - name: "Install wasi-sdk-30 (linux)"
       run: |
         set -x
-        curl -sS -L -O https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/wasi-sdk-20.0-linux.tar.gz
-        tar xf wasi-sdk-20.0-linux.tar.gz
+        curl -sS -L -O https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-30/wasi-sdk-30.0-linux.tar.gz
+        tar xf wasi-sdk-30.0-linux.tar.gz
         sudo mkdir -p /opt/wasi-sdk
-        sudo mv wasi-sdk-20.0/* /opt/wasi-sdk/
+        sudo mv wasi-sdk-30.0/* /opt/wasi-sdk/
         ls /opt/wasi-sdk/
     - run: |
         /opt/wasi-sdk/bin/clang-format --version

package-lock.json

@@ -38,7 +38,6 @@
     "CHANGELOG.md"
   ],
   "scripts": {
-    "postinstall": "node scripts/install-wasmtime.js",
     "test": "npm run test:types && npm run test:cli",
     "test:cli": "brittle --bail integration-tests/cli/**.test.js",
     "test:integration": "node ./integration-tests/js-compute/test.js",
@@ -59,6 +58,7 @@
   "dependencies": {
     "@bytecodealliance/jco": "^1.7.0",
     "@bytecodealliance/weval": "^0.4.1",
+    "@fastly/wasmtime": "file:packages/wasmtime",
     "@jridgewell/remapping": "^2.3.5",
     "@jridgewell/trace-mapping": "^0.3.31",
     "acorn": "^8.13.0",

package.json

@@ -0,0 +1,22 @@
+# @fastly/wasmtime
+
+Provides wasmtime binaries for Node.js applications.
+
+## Usage
+
+```javascript
+import wasmtime from '@fastly/wasmtime';
+
+const wasmtimePath = await wasmtime();
+// wasmtimePath contains the full path to the wasmtime binary
+```
+
+## Supported Platforms
+
+- macOS (x64, ARM64)
+- Linux (x64, ARM64)
+- Windows (x64)
+
+## License
+
+Apache-2.0

packages/wasmtime/README.md

@@ -3,8 +3,8 @@ import { dirname, join } from 'node:path';
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
-export default async function wasmtime(): Promise<string> {
+export default async function wasmtime() {
   const binary = process.platform === 'win32' ? 'wasmtime.exe' : 'wasmtime';
-  const binPath = join(__dirname, '..', 'bin', binary);
+  const binPath = join(__dirname, 'bin', binary);
   return binPath;
 }

src/wasmtime.ts packages/wasmtime/index.jssrc/wasmtime.ts renamed to packages/wasmtime/index.js

@@ -0,0 +1,23 @@
+{
+  "name": "@fastly/wasmtime",
+  "version": "43.0.0",
+  "description": "Wasmtime binary distribution for Node.js",
+  "type": "module",
+  "main": "index.js",
+  "scripts": {
+    "postinstall": "node scripts/postinstall.js"
+  },
+  "files": [
+    "index.js",
+    "scripts/postinstall.js"
+  ],
+  "engines": {
+    "node": ">=18.0.0"
+  },
+  "dependencies": {
+    "tar": "^7.4.3",
+    "adm-zip": "^0.5.16",
+    "lzma-native": "^8.0.6"
+  },
+  "license": "Apache-2.0"
+}