147 lines
4.4 KiB
TypeScript
147 lines
4.4 KiB
TypeScript
import { useEffect, useRef } from 'react';
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import { Terminal } from '@xterm/xterm';
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import { FitAddon } from '@xterm/addon-fit';
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import '@xterm/xterm/css/xterm.css';
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import { ChevronLeft, Radio, RotateCcw } from 'lucide-react';
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import { useWs } from '../ws';
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interface Props { onBack: () => void; }
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export default function SerialConsolePage({ onBack }: Props) {
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const containerRef = useRef<HTMLDivElement>(null);
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const termRef = useRef<Terminal | null>(null);
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const fitRef = useRef<FitAddon | null>(null);
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const lineBuffer = useRef('');
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const echoQueue = useRef<string[]>([]);
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const { status, send, subscribe } = useWs();
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// Keep a stable ref to `send` so the xterm onData closure never goes stale
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const sendRef = useRef(send);
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useEffect(() => { sendRef.current = send; }, [send]);
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// Initialize xterm once on mount
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useEffect(() => {
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const el = containerRef.current;
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if (!el) return;
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const term = new Terminal({
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cursorBlink: true,
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fontSize: 14,
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fontFamily: '"Cascadia Code","Fira Code",Menlo,Monaco,"Courier New",monospace',
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theme: {
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background: '#0a0a0a',
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foreground: '#d4d4d4',
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cursor: '#d4d4d4',
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selectionBackground: '#264f78',
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},
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scrollback: 5000,
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convertEol: true,
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});
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const fit = new FitAddon();
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term.loadAddon(fit);
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term.open(el);
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fit.fit();
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termRef.current = term;
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fitRef.current = fit;
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term.writeln('\x1b[2m── Meatloaf Serial Console ──\x1b[0m');
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term.writeln('');
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term.onData((data) => {
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for (const char of data) {
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if (char === '\r' || char === '\n') {
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const line = lineBuffer.current + '\r';
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lineBuffer.current = '';
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term.write('\r\n');
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echoQueue.current.push(line);
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sendRef.current(line);
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} else if (char === '\x7f' || char === '\b') {
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if (lineBuffer.current.length > 0) {
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lineBuffer.current = lineBuffer.current.slice(0, -1);
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term.write('\b \b');
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}
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} else if (char === '\x03') {
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lineBuffer.current = '';
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term.write('^C\r\n');
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} else if (char >= ' ') {
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lineBuffer.current += char;
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term.write(char);
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}
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}
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});
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const onResize = () => fitRef.current?.fit();
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window.addEventListener('resize', onResize);
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return () => {
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window.removeEventListener('resize', onResize);
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term.dispose();
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termRef.current = null;
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fitRef.current = null;
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};
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}, []);
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// Forward all incoming WS messages to the terminal, suppressing our own echoes
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useEffect(() => {
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return subscribe((msg) => {
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const idx = echoQueue.current.indexOf(msg);
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if (idx !== -1) {
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echoQueue.current.splice(idx, 1);
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return;
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}
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termRef.current?.write(msg);
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});
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}, [subscribe]);
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const statusColor =
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status === 'connected' ? 'text-green-400' :
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status === 'connecting' ? 'text-amber-400' : 'text-neutral-500';
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const statusLabel =
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status === 'connected' ? 'Connected' :
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status === 'connecting' ? 'Connecting…' : 'Disconnected';
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return (
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<div className="fixed inset-0 bg-[#0a0a0a] z-40 flex flex-col">
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{/* Header */}
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<div
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className="flex-none flex items-center gap-2 px-3 py-2 bg-neutral-900 border-b border-neutral-800"
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style={{ paddingTop: 'max(0.5rem, env(safe-area-inset-top))' }}
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>
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<button
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onClick={onBack}
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className="p-1.5 rounded hover:bg-neutral-800 text-neutral-400 hover:text-white transition"
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title="Back"
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>
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<ChevronLeft className="w-5 h-5" />
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</button>
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<span className="text-sm font-medium text-neutral-200">Serial Console</span>
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<div className="flex-1" />
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<div className={`flex items-center gap-1.5 text-xs ${statusColor}`}>
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<Radio className="w-3.5 h-3.5" />
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<span className="hidden sm:inline">{statusLabel}</span>
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</div>
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<button
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onClick={() => termRef.current?.clear()}
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className="p-1.5 rounded hover:bg-neutral-800 text-neutral-400 hover:text-neutral-200 transition"
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title="Clear terminal"
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>
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<RotateCcw className="w-4 h-4" />
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</button>
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</div>
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{/* Terminal */}
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<div
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ref={containerRef}
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className="flex-1 min-h-0"
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style={{ paddingBottom: 'env(safe-area-inset-bottom)' }}
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/>
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</div>
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);
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}
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