stdio.js 1.1 KB

12345678910111213141516171819202122232425262728293031323334353637
  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", { value: true });
  3. exports.ReadBuffer = void 0;
  4. exports.deserializeMessage = deserializeMessage;
  5. exports.serializeMessage = serializeMessage;
  6. const types_js_1 = require("../types.js");
  7. /**
  8. * Buffers a continuous stdio stream into discrete JSON-RPC messages.
  9. */
  10. class ReadBuffer {
  11. append(chunk) {
  12. this._buffer = this._buffer ? Buffer.concat([this._buffer, chunk]) : chunk;
  13. }
  14. readMessage() {
  15. if (!this._buffer) {
  16. return null;
  17. }
  18. const index = this._buffer.indexOf('\n');
  19. if (index === -1) {
  20. return null;
  21. }
  22. const line = this._buffer.toString('utf8', 0, index).replace(/\r$/, '');
  23. this._buffer = this._buffer.subarray(index + 1);
  24. return deserializeMessage(line);
  25. }
  26. clear() {
  27. this._buffer = undefined;
  28. }
  29. }
  30. exports.ReadBuffer = ReadBuffer;
  31. function deserializeMessage(line) {
  32. return types_js_1.JSONRPCMessageSchema.parse(JSON.parse(line));
  33. }
  34. function serializeMessage(message) {
  35. return JSON.stringify(message) + '\n';
  36. }
  37. //# sourceMappingURL=stdio.js.map