Initial UI commit for 1.3
This commit is contained in:
LukeGus
329
src/ui/SSH/Terminal/TerminalComponent.tsx
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329
src/ui/SSH/Terminal/TerminalComponent.tsx
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import {useEffect, useRef, useState, useImperativeHandle, forwardRef} from 'react';
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import {useXTerm} from 'react-xtermjs';
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import {FitAddon} from '@xterm/addon-fit';
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import {ClipboardAddon} from '@xterm/addon-clipboard';
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import {Unicode11Addon} from '@xterm/addon-unicode11';
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import {WebLinksAddon} from '@xterm/addon-web-links';
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interface SSHTerminalProps {
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hostConfig: any;
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isVisible: boolean;
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title?: string;
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showTitle?: boolean;
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splitScreen?: boolean;
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}
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export const TerminalComponent = forwardRef<any, SSHTerminalProps>(function SSHTerminal(
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{hostConfig, isVisible, splitScreen = false},
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ref
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) {
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const {instance: terminal, ref: xtermRef} = useXTerm();
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const fitAddonRef = useRef<FitAddon | null>(null);
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const webSocketRef = useRef<WebSocket | null>(null);
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const resizeTimeout = useRef<NodeJS.Timeout | null>(null);
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const wasDisconnectedBySSH = useRef(false);
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const pingIntervalRef = useRef<NodeJS.Timeout | null>(null);
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const [visible, setVisible] = useState(false);
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useImperativeHandle(ref, () => ({
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disconnect: () => {
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if (pingIntervalRef.current) {
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clearInterval(pingIntervalRef.current);
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pingIntervalRef.current = null;
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}
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webSocketRef.current?.close();
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},
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fit: () => {
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fitAddonRef.current?.fit();
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},
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sendInput: (data: string) => {
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if (webSocketRef.current?.readyState === 1) {
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webSocketRef.current.send(JSON.stringify({type: 'input', data}));
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}
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}
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}), []);
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useEffect(() => {
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window.addEventListener('resize', handleWindowResize);
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return () => window.removeEventListener('resize', handleWindowResize);
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}, []);
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function handleWindowResize() {
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fitAddonRef.current?.fit();
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}
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function getCookie(name: string) {
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return document.cookie.split('; ').reduce((r, v) => {
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const parts = v.split('=');
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return parts[0] === name ? decodeURIComponent(parts[1]) : r;
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}, "");
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}
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function getUseRightClickCopyPaste() {
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return getCookie("rightClickCopyPaste") === "true"
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}
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async function writeTextToClipboard(text: string): Promise<void> {
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try {
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if (navigator.clipboard && navigator.clipboard.writeText) {
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await navigator.clipboard.writeText(text);
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return;
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}
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} catch (_) {
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}
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const textarea = document.createElement('textarea');
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textarea.value = text;
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textarea.style.position = 'fixed';
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textarea.style.left = '-9999px';
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document.body.appendChild(textarea);
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textarea.focus();
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textarea.select();
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try {
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document.execCommand('copy');
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} finally {
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document.body.removeChild(textarea);
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}
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}
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async function readTextFromClipboard(): Promise<string> {
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try {
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if (navigator.clipboard && navigator.clipboard.readText) {
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return await navigator.clipboard.readText();
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}
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} catch (_) {
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}
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return '';
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}
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useEffect(() => {
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if (!terminal || !xtermRef.current || !hostConfig) return;
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terminal.options = {
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cursorBlink: true,
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cursorStyle: 'bar',
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scrollback: 10000,
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fontSize: 14,
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fontFamily: '"JetBrains Mono Nerd Font", "MesloLGS NF", "FiraCode Nerd Font", "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace',
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theme: {
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background: '#09090b',
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foreground: '#f7f7f7',
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},
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allowTransparency: true,
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convertEol: true,
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windowsMode: false,
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macOptionIsMeta: false,
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macOptionClickForcesSelection: false,
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rightClickSelectsWord: false,
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fastScrollModifier: 'alt',
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fastScrollSensitivity: 5,
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allowProposedApi: true,
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};
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const fitAddon = new FitAddon();
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const clipboardAddon = new ClipboardAddon();
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const unicode11Addon = new Unicode11Addon();
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const webLinksAddon = new WebLinksAddon();
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fitAddonRef.current = fitAddon;
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terminal.loadAddon(fitAddon);
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terminal.loadAddon(clipboardAddon);
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terminal.loadAddon(unicode11Addon);
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terminal.loadAddon(webLinksAddon);
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terminal.open(xtermRef.current);
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const element = xtermRef.current;
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const handleContextMenu = async (e: MouseEvent) => {
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if (!getUseRightClickCopyPaste()) return;
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e.preventDefault();
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e.stopPropagation();
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try {
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if (terminal.hasSelection()) {
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const selection = terminal.getSelection();
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if (selection) {
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await writeTextToClipboard(selection);
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terminal.clearSelection();
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}
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} else {
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const pasteText = await readTextFromClipboard();
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if (pasteText) {
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terminal.paste(pasteText);
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}
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}
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} catch (_) {
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}
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};
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if (element) {
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element.addEventListener('contextmenu', handleContextMenu);
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}
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const resizeObserver = new ResizeObserver(() => {
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if (resizeTimeout.current) clearTimeout(resizeTimeout.current);
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resizeTimeout.current = setTimeout(() => {
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fitAddonRef.current?.fit();
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const cols = terminal.cols;
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const rows = terminal.rows;
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if (webSocketRef.current?.readyState === WebSocket.OPEN) {
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webSocketRef.current.send(JSON.stringify({type: 'resize', data: {cols, rows}}));
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}
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}, 100);
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});
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resizeObserver.observe(xtermRef.current);
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setTimeout(() => {
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fitAddon.fit();
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setVisible(true);
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const cols = terminal.cols;
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const rows = terminal.rows;
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const wsUrl = window.location.hostname === 'localhost'
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? 'ws://localhost:8082'
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: `${window.location.protocol === 'https:' ? 'wss' : 'ws'}://${window.location.host}/ssh/websocket/`;
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const ws = new WebSocket(wsUrl);
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webSocketRef.current = ws;
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wasDisconnectedBySSH.current = false;
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ws.addEventListener('open', () => {
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ws.send(JSON.stringify({type: 'connectToHost', data: {cols, rows, hostConfig}}));
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terminal.onData((data) => {
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ws.send(JSON.stringify({type: 'input', data}));
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});
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pingIntervalRef.current = setInterval(() => {
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if (ws.readyState === WebSocket.OPEN) {
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ws.send(JSON.stringify({type: 'ping'}));
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}
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}, 30000);
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});
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ws.addEventListener('message', (event) => {
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try {
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const msg = JSON.parse(event.data);
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if (msg.type === 'data') {
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terminal.write(msg.data);
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} else if (msg.type === 'error') {
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terminal.writeln(`\r\n[ERROR] ${msg.message}`);
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} else if (msg.type === 'connected') {
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} else if (msg.type === 'disconnected') {
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wasDisconnectedBySSH.current = true;
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terminal.writeln(`\r\n[${msg.message || 'Disconnected'}]`);
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}
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} catch (error) {
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console.error('Error parsing WebSocket message:', error);
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}
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});
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ws.addEventListener('close', () => {
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if (!wasDisconnectedBySSH.current) {
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terminal.writeln('\r\n[Connection closed]');
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}
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});
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ws.addEventListener('error', () => {
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terminal.writeln('\r\n[Connection error]');
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});
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}, 300);
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return () => {
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resizeObserver.disconnect();
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if (element) {
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element.removeEventListener('contextmenu', handleContextMenu);
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}
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if (resizeTimeout.current) clearTimeout(resizeTimeout.current);
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if (pingIntervalRef.current) {
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clearInterval(pingIntervalRef.current);
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pingIntervalRef.current = null;
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}
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webSocketRef.current?.close();
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};
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}, [xtermRef, terminal, hostConfig]);
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useEffect(() => {
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if (isVisible && fitAddonRef.current) {
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fitAddonRef.current.fit();
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}
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}, [isVisible]);
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return (
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<div
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ref={xtermRef}
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style={{
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position: 'absolute',
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top: 0,
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left: 0,
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right: 0,
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bottom: 0,
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marginLeft: 2,
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opacity: visible && isVisible ? 1 : 0,
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overflow: 'hidden',
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}}
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/>
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);
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});
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const style = document.createElement('style');
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style.innerHTML = `
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@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&display=swap');
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/* Load NerdFonts locally */
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@font-face {
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font-family: 'JetBrains Mono Nerd Font';
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src: url('/fonts/JetBrainsMonoNerdFont-Regular.ttf') format('truetype');
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font-weight: normal;
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font-style: normal;
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font-display: swap;
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}
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@font-face {
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font-family: 'JetBrains Mono Nerd Font';
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src: url('/fonts/JetBrainsMonoNerdFont-Bold.ttf') format('truetype');
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font-weight: bold;
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font-style: normal;
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font-display: swap;
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}
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@font-face {
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font-family: 'JetBrains Mono Nerd Font';
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src: url('/fonts/JetBrainsMonoNerdFont-Italic.ttf') format('truetype');
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font-weight: normal;
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font-style: italic;
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font-display: swap;
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}
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.xterm .xterm-viewport::-webkit-scrollbar {
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width: 8px;
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background: transparent;
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}
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.xterm .xterm-viewport::-webkit-scrollbar-thumb {
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background: rgba(180,180,180,0.7);
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border-radius: 4px;
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}
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.xterm .xterm-viewport::-webkit-scrollbar-thumb:hover {
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background: rgba(120,120,120,0.9);
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}
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.xterm .xterm-viewport {
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scrollbar-width: thin;
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scrollbar-color: rgba(180,180,180,0.7) transparent;
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}
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.xterm {
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font-feature-settings: "liga" 1, "calt" 1;
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text-rendering: optimizeLegibility;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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}
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.xterm .xterm-screen {
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font-family: 'JetBrains Mono Nerd Font', 'MesloLGS NF', 'FiraCode Nerd Font', 'Cascadia Code', 'JetBrains Mono', Consolas, "Courier New", monospace !important;
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font-variant-ligatures: contextual;
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}
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.xterm .xterm-screen .xterm-char {
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font-feature-settings: "liga" 1, "calt" 1;
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}
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.xterm .xterm-screen .xterm-char[data-char-code^="\\uE"] {
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font-family: 'JetBrains Mono Nerd Font', 'MesloLGS NF', 'FiraCode Nerd Font' !important;
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}
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`;
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document.head.appendChild(style);
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