Nomad changes

docs/snippets/wasm/plugins/ocr-backend-custom.ts

@@ -0,0 +1,57 @@
+import {
+  initWasm,
+  listOcrBackends,
+  registerOcrBackend,
+  unregisterOcrBackend,
+} from "@kreuzberg/wasm";
+
+class CustomOcrBackend {
+  private name: string = "custom-ocr";
+  private enabled: boolean = true;
+
+  async initialize(): Promise<void> {
+    console.log("Initializing custom OCR backend");
+  }
+
+  async recognize(imageData: Uint8Array, language: string): Promise<string> {
+    console.log(`Recognizing text in ${language} from ${imageData.byteLength} bytes`);
+    return "Placeholder OCR result";
+  }
+
+  getName(): string {
+    return this.name;
+  }
+
+  isEnabled(): boolean {
+    return this.enabled;
+  }
+
+  setEnabled(enabled: boolean) {
+    this.enabled = enabled;
+  }
+
+  async cleanup(): Promise<void> {
+    console.log("Cleaning up custom OCR backend");
+  }
+}
+
+async function demonstrateCustomBackend() {
+  await initWasm();
+
+  const backend = new CustomOcrBackend();
+  await backend.initialize();
+
+  registerOcrBackend(backend);
+
+  const backends = listOcrBackends();
+  console.log("Registered backends:", backends);
+
+  unregisterOcrBackend("custom-ocr");
+
+  const afterUnregister = listOcrBackends();
+  console.log("Backends after unregister:", afterUnregister);
+
+  await backend.cleanup();
+}
+
+demonstrateCustomBackend().catch(console.error);