❌ revert(protobuf): Remove protobuf for now

packages/input/src/messages.ts

@@ -1,7 +1,13 @@
+import {gzip, ungzip} from "pako";
 import {LatencyTracker} from "./latency";
 
 export interface MessageBase {
   payload_type: string;
+}
+
+export interface MessageInput extends MessageBase {
+  payload_type: "input";
+  data: string;
   latency?: LatencyTracker;
 }
 
@@ -35,3 +41,33 @@ export interface MessageAnswer extends MessageBase {
   payload_type: "answer";
   answer_type: AnswerType;
 }
+
+function blobToUint8Array(blob: Blob): Promise<Uint8Array> {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onloadend = () => {
+      const arrayBuffer = reader.result as ArrayBuffer;
+      resolve(new Uint8Array(arrayBuffer));
+    };
+    reader.onerror = reject;
+    reader.readAsArrayBuffer(blob);
+  });
+}
+
+export function encodeMessage<T>(message: T): Uint8Array {
+  // Convert the message to JSON string
+  const json = JSON.stringify(message);
+  // Compress the JSON string using gzip
+  return gzip(json);
+}
+
+export async function decodeMessage<T>(data: Blob): Promise<T> {
+  // Convert the Blob to Uint8Array
+  const array = await blobToUint8Array(data);
+  // Decompress the gzip data
+  const decompressed = ungzip(array);
+  // Convert the Uint8Array to JSON string
+  const json = new TextDecoder().decode(decompressed);
+  // Parse the JSON string
+  return JSON.parse(json);
+}