chore: import upstream snapshot with attribution

web/apps/node/wasi_example.js

@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+/**
+ * Example code to start the runtime.
+ */
+const { WASI } = require('wasi');
+const path = require("path");
+const fs = require("fs");
+const tvmjs = require("../../dist");
+
+const wasmPath = tvmjs.wasmPath();
+const wasmSource = fs.readFileSync(path.join(wasmPath, "tvmjs_runtime.wasm"));
+
+const wasi = new WASI({ args: process.argv, env: process.env });
+// Here we pass the javascript module generated by emscripten as the
+// LibraryProvider to provide WASI related libraries.
+const tvm = new tvmjs.Instance(new WebAssembly.Module(wasmSource), wasi);
+
+// List all the global functions from the runtime.
+console.log("Runtime using WASI\n", tvm.listGlobalFuncNames());