Files
boocode/apps/booterm/src/pty/pty.ts

42 lines
1.1 KiB
TypeScript

import * as pty from 'node-pty';
import type { IPty } from 'node-pty';
export interface AttachPtyOptions {
sessionName: string;
windowName: string;
projectRoot: string;
cols: number;
rows: number;
tmuxConfPath: string;
}
function cleanEnv(): { [key: string]: string } {
const out: { [key: string]: string } = {};
for (const [k, v] of Object.entries(process.env)) {
if (typeof v === 'string') out[k] = v;
}
out['TERM'] = 'screen-256color';
return out;
}
// Spawns a tmux client attached to the given session+window. `-d` detaches any
// other client so a browser refresh takes over the same window without
// duplicate input. tmux server (and the window) persists across PTY exits.
export function attachPty(opts: AttachPtyOptions): IPty {
return pty.spawn(
'tmux',
[
'-f', opts.tmuxConfPath,
'attach-session', '-d',
'-t', `${opts.sessionName}:${opts.windowName}`,
],
{
name: 'xterm-256color',
cols: opts.cols,
rows: opts.rows,
cwd: opts.projectRoot,
env: cleanEnv(),
},
);
}