mermaid-cli 0.3.10

Open-source AI pair programmer with agentic capabilities. Local-first with Ollama, native tool calling, and beautiful TUI.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

use anyhow::Result;
use crossterm::{
    event::{DisableBracketedPaste, DisableMouseCapture, EnableBracketedPaste, EnableMouseCapture},
    execute,
    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
};
use ratatui::{backend::CrosstermBackend, Terminal};
use std::io;
use tokio::sync::mpsc;

use crate::tui::App;

/// Run the terminal UI
///
/// This function handles terminal setup, runs the main event loop via
/// loop_coordinator, and restores the terminal on exit.
pub async fn run_ui(mut app: App) -> Result<()> {
    // Check if we have an interactive terminal
    if !crossterm::tty::IsTty::is_tty(&io::stdout()) {
        return Err(anyhow::anyhow!(
            "Mermaid requires an interactive terminal. Cannot run in non-interactive mode (pipes, redirects, etc.). Try running directly in your terminal: mermaid"
        ));
    }

    // Setup terminal
    enable_raw_mode()?;
    let mut stdout = io::stdout();
    execute!(stdout, EnterAlternateScreen, EnableMouseCapture, EnableBracketedPaste)?;
    let backend = CrosstermBackend::new(stdout);
    let mut terminal = Terminal::new(backend)?;

    // Clear terminal
    terminal.clear()?;

    // Create channel for streaming responses
    let (tx, mut rx) = mpsc::channel::<String>(1000);

    // Run the UI loop using the loop coordinator
    let res = super::loop_coordinator::run_app_loop(&mut terminal, &mut app, tx, &mut rx).await;

    // Restore terminal
    disable_raw_mode()?;
    execute!(terminal.backend_mut(), DisableBracketedPaste, DisableMouseCapture, LeaveAlternateScreen)?;
    terminal.show_cursor()?;

    res
}