lorehub/dist/cli/hooks/useAlternativeScreen.js

Capture and surface the collective wisdom of your codebase

import { useEffect } from 'react';
import { useStdout } from 'ink';
/**
 * Hook to enable alternative screen mode in terminal
 * This allows us to have a full-screen UI that doesn't affect terminal history
 */
export function useAlternativeScreen() {
    const { stdout } = useStdout();
    useEffect(() => {
        // Enter alternative screen mode
        stdout.write('\x1b[?1049h');
        // Hide cursor
        stdout.write('\x1b[?25l');
        // Clear screen
        stdout.write('\x1b[2J');
        // Move cursor to top
        stdout.write('\x1b[H');
        return () => {
            // Show cursor
            stdout.write('\x1b[?25h');
            // Exit alternative screen mode
            stdout.write('\x1b[?1049l');
        };
    }, [stdout]);
}
// Alternative screen escape sequences:
// \x1b[?1049h - Enter alternative screen
// \x1b[?1049l - Exit alternative screen
// \x1b[?25l - Hide cursor
// \x1b[?25h - Show cursor
// \x1b[2J - Clear screen
// \x1b[H - Move cursor to home position
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