Method readResponse

lib/ghostty.ts:629–645

* Read pending responses from the terminal. * Returns the response string, or null if no responses pending. * * Responses are generated by escape sequences that require replies: * - DSR 6 (cursor position): Returns \x1b[row;colR * - DSR 5 (operating status): Returns \x1b[0n

()

   * - DSR 5 (operating status): Returns \x1b[0n
   */
  readResponse(): string | null {
    if (!this.hasResponse()) return null;

    const bufSize = 256; // Most responses are small
    const bufPtr = this.exports.ghostty_wasm_alloc_u8_array(bufSize);

    try {
      const bytesRead = this.exports.ghostty_terminal_read_response(this.handle, bufPtr, bufSize);

      if (bytesRead <= 0) return null;

      const bytes = new Uint8Array(this.memory.buffer, bufPtr, bytesRead);
      return new TextDecoder().decode(bytes.slice());
    } finally {
      this.exports.ghostty_wasm_free_u8_array(bufPtr, bufSize);
    }
  }

  /**
   * Query arbitrary terminal mode by number