Bump @bytecodealliance/preview2-shim from 0.25.0 to 0.31.0 in /src/wasm_sandbox/guests/javascript

.github/workflows/ci.yml

@@ -63,6 +63,8 @@ jobs:
           key: guest-bundle-${{ steps.guest-keys.outputs.guest-key }}
       - name: Install clang
         run: sudo apt-get update && sudo apt-get install -y clang
+      - name: Test JavaScript guest build
+        run: just wasm js-guest-test
       - name: Build guests
         run: just wasm guest-bundle
       - name: Upload guest bundle

Justfile

@@ -32,7 +32,7 @@ fmt-check-rust:
 
 #### TESTS ####
 
-test: wasm::test-build wasm::guest-build wasm::js-guest-build python::build python::python-test test-rust wasm::test dotnet::test-rust dotnet::test
+test: wasm::test-build wasm::js-guest-test wasm::guest-build wasm::js-guest-build python::build python::python-test test-rust wasm::test dotnet::test-rust dotnet::test
 
 fuzz seconds="60": (python::python-fuzz seconds)
 

src/wasm_sandbox/Justfile

@@ -101,6 +101,11 @@ js-guest-build: js-guest-build-wasm js-guest-build-aot
 js-guest-install:
     uv run --no-project --python 3.14 python {{repo-root}}/scripts/guest_build.py javascript
 
+# Test componentization against the installed JavaScript dependencies.
+js-guest-test:
+    cd {{repo-root}}/src/wasm_sandbox/guests/javascript && npm ci
+    cd {{repo-root}}/src/wasm_sandbox/guests/javascript && npm test
+
 build target=default-target: _clean-stale-wasm (guest-build target) (js-guest-build)
     cargo build --manifest-path {{repo-root}}/src/wasm_sandbox/Cargo.toml --profile={{ if target == "debug" {"dev"} else { target } }}
 

src/wasm_sandbox/guests/javascript/build.js

@@ -32,10 +32,11 @@ const outputPath = "js-sandbox.wasm";
 async function build() {
   console.log("Reading source...");
   const source = await readFile(sourcePath, "utf-8");
+  const witWorld = await readFile(witPath, "utf-8");
 
   console.log("Componentizing...");
   const { component, imports } = await componentize(source, {
-    witPath,
+    witWorld,
     worldName: "hyperlight:sandbox/sandbox",
   });
 

src/wasm_sandbox/guests/javascript/build.test.js

@@ -0,0 +1,15 @@
+import assert from "node:assert/strict";
+import { execFile } from "node:child_process";
+import { readFile } from "node:fs/promises";
+import { promisify } from "node:util";
+import { test } from "node:test";
+
+test("builds the JavaScript component with the installed WASI shim", async () => {
+  const cwd = new URL(".", import.meta.url);
+  await promisify(execFile)(process.execPath, ["build.js"], {
+    cwd,
+    timeout: 120_000,
+  });
+  const component = await readFile(new URL("js-sandbox.wasm", cwd));
+  assert.deepEqual(component.subarray(0, 8), Buffer.from([0, 97, 115, 109, 13, 0, 1, 0]));
+});

src/wasm_sandbox/guests/javascript/package.json

@@ -4,11 +4,12 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "build": "node build.js"
+    "build": "node build.js",
+    "test": "node --test build.test.js"
   },
   "devDependencies": {
     "@bytecodealliance/componentize-js": "^0.23.0",
     "@bytecodealliance/jco": "^1.39.0",
-    "@bytecodealliance/preview2-shim": "^0.25.0"
+    "@bytecodealliance/preview2-shim": "^0.31.0"
   }
 }