chore: import upstream snapshot with attribution

web/apps/node/example.js

@@ -0,0 +1,39 @@
+/*
+ * 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 path = require("path");
+const fs = require("fs");
+const tvmjs = require("../../dist/tvmjs.bundle");
+
+const wasmPath = tvmjs.wasmPath();
+const wasmSource = fs.readFileSync(path.join(wasmPath, "tvmjs_runtime.wasm"));
+// Here we pass the javascript module generated by emscripten as the
+// LibraryProvider to provide WASI related libraries.
+// the async version of the API.
+tvmjs.instantiate(wasmSource, tvmjs.createPolyfillWASI())
+.then((tvm) => {
+    tvm.beginScope();
+    const log_info = tvm.getGlobalFunc("tvmjs.testing.log_info_str");
+    log_info("hello world");
+    // List all the global functions from the runtime.
+    console.log("Runtime functions using EmccWASI\n", tvm.listGlobalFuncNames());
+    tvm.endScope();
+});

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());

web/apps/node/wasi_rpc_server.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 RPC server on nodejs using WASI
+ */
+const { WASI } = require("wasi");
+const tvmjs = require("../../dist");
+
+// Get import returns a fresh library in each call.
+const getImports = () => {
+  return new WASI({
+    args: process.argv,
+    env: process.env
+  });
+};
+
+const proxyUrl = "ws://localhost:8888/ws";
+
+new tvmjs.RPCServer(proxyUrl, "wasm", getImports, console.log);