chore: update node_modules with new binary files and dependencies

- Add new binary files for nodemon, onnxruntime-web, and xenova/transformers
- Update various JavaScript and TypeScript files in node_modules
- Remove unused files and dependencies
- Add new test fixtures and documentation files

node_modules/onnxruntime-web/lib/backend-wasm.ts

@@ -0,0 +1,53 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+import {Backend, env, InferenceSession, SessionHandler} from 'onnxruntime-common';
+import {cpus} from 'os';
+
+import {initWasm} from './wasm/proxy-wrapper';
+import {OnnxruntimeWebAssemblySessionHandler} from './wasm/session-handler';
+
+/**
+ * This function initializes all flags for WebAssembly.
+ *
+ * Those flags are accessible from `ort.env.wasm`. Users are allow to set those flags before the first inference session
+ * being created, to override default value.
+ */
+export const initializeFlags = (): void => {
+  if (typeof env.wasm.initTimeout !== 'number' || env.wasm.initTimeout < 0) {
+    env.wasm.initTimeout = 0;
+  }
+
+  if (typeof env.wasm.simd !== 'boolean') {
+    env.wasm.simd = true;
+  }
+
+  if (typeof env.wasm.proxy !== 'boolean') {
+    env.wasm.proxy = false;
+  }
+
+  if (typeof env.wasm.numThreads !== 'number' || !Number.isInteger(env.wasm.numThreads) || env.wasm.numThreads <= 0) {
+    const numCpuLogicalCores = typeof navigator === 'undefined' ? cpus().length : navigator.hardwareConcurrency;
+    env.wasm.numThreads = Math.min(4, Math.ceil((numCpuLogicalCores || 1) / 2));
+  }
+};
+
+class OnnxruntimeWebAssemblyBackend implements Backend {
+  async init(): Promise<void> {
+    // populate wasm flags
+    initializeFlags();
+
+    // init wasm
+    await initWasm();
+  }
+  createSessionHandler(path: string, options?: InferenceSession.SessionOptions): Promise<SessionHandler>;
+  createSessionHandler(buffer: Uint8Array, options?: InferenceSession.SessionOptions): Promise<SessionHandler>;
+  async createSessionHandler(pathOrBuffer: string|Uint8Array, options?: InferenceSession.SessionOptions):
+      Promise<SessionHandler> {
+    const handler = new OnnxruntimeWebAssemblySessionHandler();
+    await handler.loadModel(pathOrBuffer, options);
+    return Promise.resolve(handler);
+  }
+}
+
+export const wasmBackend = new OnnxruntimeWebAssemblyBackend();