stdio.js•928 B
import { JSONRPCMessageSchema } from '../types.js';
/**
* Buffers a continuous stdio stream into discrete JSON-RPC messages.
*/
export class ReadBuffer {
append(chunk) {
this._buffer = this._buffer ? Buffer.concat([this._buffer, chunk]) : chunk;
}
readMessage() {
if (!this._buffer) {
return null;
}
const index = this._buffer.indexOf('\n');
if (index === -1) {
return null;
}
const line = this._buffer.toString('utf8', 0, index).replace(/\r$/, '');
this._buffer = this._buffer.subarray(index + 1);
return deserializeMessage(line);
}
clear() {
this._buffer = undefined;
}
}
export function deserializeMessage(line) {
return JSONRPCMessageSchema.parse(JSON.parse(line));
}
export function serializeMessage(message) {
return JSON.stringify(message) + '\n';
}
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