233 lines
8.6 KiB
TypeScript
233 lines
8.6 KiB
TypeScript
import React, { useEffect, useMemo, useRef, useState } from 'react';
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import { Terminal, ITerminalOptions } from 'xterm';
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import { FitAddon } from 'xterm-addon-fit';
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import { SearchAddon } from 'xterm-addon-search';
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import { SearchBarAddon } from 'xterm-addon-search-bar';
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import { WebLinksAddon } from 'xterm-addon-web-links';
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import { ScrollDownHelperAddon } from '@/plugins/XtermScrollDownHelperAddon';
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import SpinnerOverlay from '@/components/elements/SpinnerOverlay';
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import { ServerContext } from '@/state/server';
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import styled from 'styled-components/macro';
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import { usePermissions } from '@/plugins/usePermissions';
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import tw, { theme as th } from 'twin.macro';
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import 'xterm/css/xterm.css';
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import useEventListener from '@/plugins/useEventListener';
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import { debounce } from 'debounce';
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import { usePersistedState } from '@/plugins/usePersistedState';
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import { SocketEvent, SocketRequest } from '@/components/server/events';
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const theme = {
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background: th`colors.black`.toString(),
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cursor: 'transparent',
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black: th`colors.black`.toString(),
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red: '#E54B4B',
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green: '#9ECE58',
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yellow: '#FAED70',
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blue: '#396FE2',
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magenta: '#BB80B3',
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cyan: '#2DDAFD',
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white: '#d0d0d0',
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brightBlack: 'rgba(255, 255, 255, 0.2)',
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brightRed: '#FF5370',
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brightGreen: '#C3E88D',
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brightYellow: '#FFCB6B',
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brightBlue: '#82AAFF',
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brightMagenta: '#C792EA',
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brightCyan: '#89DDFF',
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brightWhite: '#ffffff',
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selection: '#FAF089',
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};
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const terminalProps: ITerminalOptions = {
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disableStdin: true,
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cursorStyle: 'underline',
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allowTransparency: true,
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fontSize: 12,
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fontFamily: 'Menlo, Monaco, Consolas, monospace',
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rows: 30,
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theme: theme,
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};
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const TerminalDiv = styled.div`
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&::-webkit-scrollbar {
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width: 8px;
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}
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&::-webkit-scrollbar-thumb {
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${tw`bg-neutral-900`};
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}
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`;
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const CommandInput = styled.input`
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${tw`text-sm transition-colors duration-150 px-2 bg-transparent border-0 border-b-2 border-transparent text-neutral-100 p-2 pl-0 w-full focus:ring-0`};
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&:focus {
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${tw`border-cyan-700`};
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}
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`;
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export default () => {
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const TERMINAL_PRELUDE = '\u001b[1m\u001b[33mcontainer@pterodactyl~ \u001b[0m';
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const ref = useRef<HTMLDivElement>(null);
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const terminal = useMemo(() => new Terminal({ ...terminalProps }), []);
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const fitAddon = new FitAddon();
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const searchAddon = new SearchAddon();
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const searchBar = new SearchBarAddon({ searchAddon });
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const webLinksAddon = new WebLinksAddon();
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const scrollDownHelperAddon = new ScrollDownHelperAddon();
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const { connected, instance } = ServerContext.useStoreState(state => state.socket);
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const [ canSendCommands ] = usePermissions([ 'control.console' ]);
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const serverId = ServerContext.useStoreState(state => state.server.data!.id);
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const isTransferring = ServerContext.useStoreState(state => state.server.data!.isTransferring);
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const [ history, setHistory ] = usePersistedState<string[]>(`${serverId}:command_history`, []);
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const [ historyIndex, setHistoryIndex ] = useState(-1);
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const handleConsoleOutput = (line: string, prelude = false) => terminal.writeln(
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(prelude ? TERMINAL_PRELUDE : '') + line.replace(/(?:\r\n|\r|\n)$/im, '') + '\u001b[0m',
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);
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const handleTransferStatus = (status: string) => {
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switch (status) {
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// Sent by either the source or target node if a failure occurs.
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case 'failure':
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terminal.writeln(TERMINAL_PRELUDE + 'Transfer has failed.\u001b[0m');
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return;
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// Sent by the source node whenever the server was archived successfully.
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case 'archive':
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terminal.writeln(TERMINAL_PRELUDE + 'Server has been archived successfully, attempting connection to target node..\u001b[0m');
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}
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};
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const handleDaemonErrorOutput = (line: string) => terminal.writeln(
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TERMINAL_PRELUDE + '\u001b[1m\u001b[41m' + line.replace(/(?:\r\n|\r|\n)$/im, '') + '\u001b[0m',
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);
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const handlePowerChangeEvent = (state: string) => terminal.writeln(
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TERMINAL_PRELUDE + 'Server marked as ' + state + '...\u001b[0m',
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);
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const handleCommandKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
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if (e.key === 'ArrowUp') {
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const newIndex = Math.min(historyIndex + 1, history!.length - 1);
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setHistoryIndex(newIndex);
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e.currentTarget.value = history![newIndex] || '';
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// By default up arrow will also bring the cursor to the start of the line,
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// so we'll preventDefault to keep it at the end.
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e.preventDefault();
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}
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if (e.key === 'ArrowDown') {
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const newIndex = Math.max(historyIndex - 1, -1);
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setHistoryIndex(newIndex);
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e.currentTarget.value = history![newIndex] || '';
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}
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const command = e.currentTarget.value;
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if (e.key === 'Enter' && command.length > 0) {
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setHistory(prevHistory => [ command, ...prevHistory! ].slice(0, 32));
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setHistoryIndex(-1);
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instance && instance.send('send command', command);
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e.currentTarget.value = '';
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}
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};
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useEffect(() => {
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if (connected && ref.current && !terminal.element) {
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terminal.loadAddon(fitAddon);
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terminal.loadAddon(searchAddon);
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terminal.loadAddon(searchBar);
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terminal.loadAddon(webLinksAddon);
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terminal.loadAddon(scrollDownHelperAddon);
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terminal.open(ref.current);
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fitAddon.fit();
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// Add support for capturing keys
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terminal.attachCustomKeyEventHandler((e: KeyboardEvent) => {
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if ((e.ctrlKey || e.metaKey) && e.key === 'c') {
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document.execCommand('copy');
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return false;
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} else if ((e.ctrlKey || e.metaKey) && e.key === 'f') {
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e.preventDefault();
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searchBar.show();
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return false;
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} else if (e.key === 'Escape') {
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searchBar.hidden();
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}
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return true;
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});
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}
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}, [ terminal, connected ]);
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useEventListener('resize', debounce(() => {
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if (terminal.element) {
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fitAddon.fit();
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}
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}, 100));
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useEffect(() => {
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const listeners: Record<string, (s: string) => void> = {
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[SocketEvent.STATUS]: handlePowerChangeEvent,
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[SocketEvent.CONSOLE_OUTPUT]: handleConsoleOutput,
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[SocketEvent.INSTALL_OUTPUT]: handleConsoleOutput,
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[SocketEvent.TRANSFER_LOGS]: handleConsoleOutput,
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[SocketEvent.TRANSFER_STATUS]: handleTransferStatus,
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[SocketEvent.DAEMON_MESSAGE]: line => handleConsoleOutput(line, true),
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[SocketEvent.DAEMON_ERROR]: handleDaemonErrorOutput,
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};
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if (connected && instance) {
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// Do not clear the console if the server is being transferred.
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if (!isTransferring) {
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terminal.clear();
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}
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Object.keys(listeners).forEach((key: string) => {
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instance.addListener(key, listeners[key]);
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});
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instance.send(SocketRequest.SEND_LOGS);
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}
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return () => {
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if (instance) {
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Object.keys(listeners).forEach((key: string) => {
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instance.removeListener(key, listeners[key]);
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});
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}
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};
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}, [ connected, instance ]);
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return (
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<div css={tw`text-xs font-mono relative`}>
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<SpinnerOverlay visible={!connected} size={'large'} />
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<div
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css={[
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tw`rounded-t p-2 bg-black w-full`,
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!canSendCommands && tw`rounded-b`,
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]}
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style={{ minHeight: '16rem' }}
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>
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<TerminalDiv id={'terminal'} ref={ref} />
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</div>
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{canSendCommands &&
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<div css={tw`rounded-b bg-neutral-900 text-neutral-100 flex items-baseline`}>
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<div css={tw`flex-shrink-0 p-2 font-bold`}>$</div>
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<div css={tw`w-full`}>
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<CommandInput
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type={'text'}
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placeholder={'Type a command...'}
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aria-label={'Console command input.'}
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disabled={!instance || !connected}
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onKeyDown={handleCommandKeyDown}
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/>
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</div>
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</div>
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}
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</div>
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);
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};
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