terminal-expert

Create a custom terminal by initializing xterm.js in a WebView, configuring the FitAddon for automatic resizing, and integrating a PTY process for shell interaction. This approach gives you full control over terminal features, rendering performance, and session persistence within VS Code extensions.

Unified input handling in xterm.js captures keyboard, mouse, and IME input through event listeners and forwards them to the PTY. This pattern ensures responsive, accessible terminal behavior across different platforms and input methods.

Yes, the Serialize addon saves terminal scrollback data and session state, which you restore on terminal restart. This enables seamless user experience by preserving command history and output between extension reloads or editor restarts.

Enable WebGL rendering with WebglAddon for GPU acceleration and configure appropriate buffering settings to handle fast output. This combination reduces CPU usage and ensures responsive terminal performance even with high-throughput shell commands.

Yes, xterm.js processes OSC shell integration sequences that enable command tracking and semantic rendering. Integrating this with PTY processes allows enhanced shell functionality such as command markers and status reporting.

PTY processes require proper spawning, flow control, and cleanup to avoid resource leaks. Managing terminal lifecycle—initialization, resize handling, and graceful shutdown—ensures stable, long-running terminal instances within your extension.