421 lines
16 KiB
HTML
421 lines
16 KiB
HTML
<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>串口实时控制台</title>
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<style>
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:root {
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color-scheme: dark;
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--bg: #0d1117;
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--panel: #161b22;
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--border: #30363d;
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--text: #d7e0ea;
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--muted: #8b949e;
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--ok: #3fb950;
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--warn: #d29922;
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--danger: #f85149;
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--button: #21262d;
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--button-hover: #30363d;
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--accent: #238636;
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}
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* { box-sizing: border-box; }
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html, body { height: 100%; margin: 0; }
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body {
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display: flex;
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flex-direction: column;
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min-height: 100dvh;
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overflow: hidden;
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background: var(--bg);
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color: var(--text);
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font-family: Consolas, "Cascadia Mono", "Microsoft YaHei UI", monospace;
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}
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header {
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display: flex;
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align-items: center;
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gap: 16px;
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min-height: 43px;
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padding: 8px 12px;
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background: var(--panel);
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border-bottom: 1px solid var(--border);
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font-size: 13px;
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white-space: nowrap;
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}
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#connection { color: var(--warn); font-weight: 700; }
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#meta { color: var(--muted); overflow: hidden; text-overflow: ellipsis; }
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.follow { margin-left: auto; color: var(--muted); }
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main { flex: 1; min-height: 0; }
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#log {
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height: 100%;
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margin: 0;
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padding: 10px 12px 24px;
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overflow: auto;
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white-space: pre-wrap;
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overflow-wrap: anywhere;
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tab-size: 4;
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font: 13px/1.42 Consolas, "Cascadia Mono", "Microsoft YaHei UI", monospace;
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}
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.console {
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flex: none;
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padding: 10px 12px 11px;
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background: var(--panel);
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border-top: 1px solid var(--border);
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box-shadow: 0 -8px 24px rgba(0, 0, 0, .18);
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}
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.quick {
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display: flex;
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align-items: center;
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flex-wrap: wrap;
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gap: 6px;
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}
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.quick { margin-bottom: 8px; }
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.quick-label { color: var(--muted); margin-right: 2px; }
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.command-row {
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display: grid;
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grid-template-columns: auto minmax(0, 1fr) auto;
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align-items: end;
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gap: 7px;
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}
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.command-prompt {
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display: flex;
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align-items: center;
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height: 38px;
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padding: 0 9px;
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color: #79c0ff;
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background: #0d1117;
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border: 1px solid var(--border);
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border-radius: 6px;
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font-weight: 700;
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user-select: none;
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}
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button, textarea {
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color: var(--text);
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background: var(--button);
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border: 1px solid var(--border);
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border-radius: 6px;
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font: 13px Consolas, "Cascadia Mono", "Microsoft YaHei UI", monospace;
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}
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button { min-height: 30px; padding: 4px 9px; cursor: pointer; }
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button:hover:not(:disabled) { background: var(--button-hover); }
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button:disabled { cursor: not-allowed; opacity: .45; }
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button.primary { background: var(--accent); border-color: #2ea043; }
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button.danger { color: #ffb3ad; }
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textarea {
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display: block;
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width: 100%;
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height: 38px;
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min-height: 38px;
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max-height: 116px;
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margin: 0;
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padding: 8px 10px;
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resize: none;
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overflow-y: auto;
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line-height: 1.4;
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outline: none;
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}
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textarea:focus { border-color: #58a6ff; box-shadow: 0 0 0 1px #58a6ff; }
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textarea.masked { -webkit-text-security: disc; }
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#send { min-width: 92px; height: 38px; }
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@media (max-width: 720px) {
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header { flex-wrap: wrap; }
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.follow { margin-left: 0; }
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.command-row { grid-template-columns: auto minmax(0, 1fr); }
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#send { grid-column: 1 / -1; width: 100%; }
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}
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</style>
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</head>
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<body data-token="__SESSION_TOKEN__" data-port="__SERIAL_PORT__">
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<header>
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<span id="connection">正在连接…</span>
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<span id="meta">串口状态读取中</span>
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<label class="follow"><input id="follow" type="checkbox" checked> 自动滚动</label>
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</header>
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<main><pre id="log">正在读取串口日志…</pre></main>
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<section class="console" aria-label="串口命令区">
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<div class="quick">
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<span class="quick-label">快捷填入：</span>
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<button class="fill" data-command="printenv systemSelect">查询分区</button>
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<button class="fill" data-command="setenv systemSelect A">填入分区 A</button>
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<button class="fill" data-command="setenv systemSelect B">填入分区 B</button>
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<button class="fill" data-command="saveenv">保存环境</button>
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<button class="fill" data-command="reset">重启设备</button>
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<button class="fill" data-command="ifconfig">ifconfig</button>
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<button class="fill" data-command="dmesg">dmesg</button>
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</div>
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<div class="command-row">
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<span id="commandPrompt" class="command-prompt">COM ></span>
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<textarea id="command" rows="1" spellcheck="false" autocomplete="off" placeholder="输入命令；留空按 Enter 发送回车"></textarea>
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<button id="send" class="primary" disabled>发送 Enter</button>
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</div>
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</section>
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<script>
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const token = document.body.dataset.token;
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const configuredPort = document.body.dataset.port;
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const clientId = window.crypto && typeof window.crypto.randomUUID === 'function'
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? window.crypto.randomUUID()
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: `${Date.now()}-${Math.random().toString(16).slice(2)}`;
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const logView = document.querySelector('#log');
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const connectionView = document.querySelector('#connection');
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const metaView = document.querySelector('#meta');
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const followView = document.querySelector('#follow');
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const commandView = document.querySelector('#command');
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const commandPromptView = document.querySelector('#commandPrompt');
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const sendButton = document.querySelector('#send');
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const decoder = new TextDecoder('utf-8');
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const commandHistory = [];
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let historyIndex = 0;
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let historyDraft = '';
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let logPolling = false;
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let statusPolling = false;
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let hasRenderedLog = false;
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let serialOpen = false;
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let sendBusy = false;
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let promptMode = 'unknown';
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let pageClosing = false;
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commandPromptView.textContent = `${configuredPort} >`;
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function clientUrl(path) {
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const separator = path.includes('?') ? '&' : '?';
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return `${path}${separator}client=${encodeURIComponent(clientId)}`;
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}
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// 仅清理终端显示控制字符，不修改设备输出中的普通调试内容。
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function removeTerminalControls(text) {
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text = text.replace(/\x1b\][^\x07]*(?:\x07|\x1b\\)/g, '');
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text = text.replace(/\x1b\[[0-?]*[ -\/]*[@-~]/g, '');
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const output = [];
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for (const char of text) {
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if (char === '\b') {
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if (output.length && output[output.length - 1] !== '\n') output.pop();
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} else {
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output.push(char);
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}
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}
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return output.join('').replace(/[\x00-\x08\x0b\x0c\x0e-\x1f\x7f]/g, '');
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}
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function updateSessionState(text) {
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const lastLogin = text.lastIndexOf('login:');
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const lastPassword = text.lastIndexOf('Password:');
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const lastFailure = text.lastIndexOf('Login incorrect');
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const lastShell = Math.max(text.lastIndexOf(']~#'), text.lastIndexOf(']~$'));
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const latestPrompt = Math.max(lastLogin, lastPassword, lastFailure, lastShell);
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if (latestPrompt === lastShell && lastShell >= 0) {
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promptMode = 'shell';
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} else if (latestPrompt === lastPassword && lastPassword >= 0) {
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promptMode = 'password';
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} else if (latestPrompt === lastLogin && lastLogin >= 0) {
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promptMode = 'login';
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} else if (latestPrompt === lastFailure && lastFailure >= 0) {
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promptMode = 'failed';
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} else {
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promptMode = 'unknown';
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}
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commandView.classList.toggle('masked', promptMode === 'password');
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}
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function resizeCommandInput() {
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commandView.style.height = '38px';
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commandView.style.height = `${Math.min(116, Math.max(38, commandView.scrollHeight))}px`;
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}
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function setCommandValue(value) {
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commandView.value = value;
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resizeCommandInput();
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commandView.focus();
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commandView.setSelectionRange(value.length, value.length);
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}
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function rememberCommand(command) {
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if (!command.length) return;
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const duplicateIndex = commandHistory.indexOf(command);
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if (duplicateIndex >= 0) commandHistory.splice(duplicateIndex, 1);
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commandHistory.push(command);
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if (commandHistory.length > 50) commandHistory.shift();
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historyIndex = commandHistory.length;
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historyDraft = '';
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}
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function updateInputControls() {
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sendButton.disabled = !serialOpen || sendBusy;
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}
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function applyConnectionState(isOpen) {
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serialOpen = isOpen;
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updateInputControls();
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}
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async function refreshLog() {
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if (logPolling) return;
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logPolling = true;
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const nearBottom = logView.scrollHeight - logView.scrollTop - logView.clientHeight < 100;
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const shouldFollowLatest = followView.checked && (!hasRenderedLog || nearBottom);
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try {
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const response = await fetch(`${clientUrl('/api/log')}&t=${Date.now()}`, { cache: 'no-store' });
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if (!response.ok) throw new Error(`HTTP ${response.status}`);
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const bytes = new Uint8Array(await response.arrayBuffer());
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const fullText = removeTerminalControls(decoder.decode(bytes));
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updateSessionState(fullText);
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const visibleText = fullText.length > 500000
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? `[前面的日志已在页面中省略，完整数据仍保存在文件中]\n${fullText.slice(-500000)}`
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: fullText;
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logView.textContent = visibleText || `日志文件当前为空，正在等待 ${configuredPort} 数据…`;
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// 首次打开必须显示最新日志；等待浏览器完成布局后再滚动到底部，避免大日志仍停在开头。
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if (shouldFollowLatest) {
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requestAnimationFrame(() => {
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logView.scrollTop = logView.scrollHeight;
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});
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}
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hasRenderedLog = true;
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} catch (error) {
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logView.textContent = `${logView.textContent}\n[网页] 日志读取失败：${error.message}`;
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} finally {
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logPolling = false;
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}
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}
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async function refreshStatus() {
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if (statusPolling) return;
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statusPolling = true;
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try {
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const response = await fetch(`${clientUrl('/api/status')}&t=${Date.now()}`, { cache: 'no-store' });
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if (!response.ok) throw new Error(`HTTP ${response.status}`);
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const status = await response.json();
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applyConnectionState(Boolean(status.isOpen));
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connectionView.textContent = status.isOpen ? `● ${status.port} 已连接` : `● ${status.port} 已断开`;
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connectionView.style.color = status.isOpen ? 'var(--ok)' : 'var(--danger)';
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const lastRx = status.lastReceiveUtc ? new Date(status.lastReceiveUtc).toLocaleTimeString() : '暂无数据';
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metaView.textContent = `115200 8N1 · 本次接收 ${Number(status.receivedBytes).toLocaleString()} 字节 · 最后数据 ${lastRx}`;
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updateInputControls();
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} catch (error) {
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applyConnectionState(false);
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connectionView.textContent = `● ${configuredPort} 服务离线`;
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connectionView.style.color = 'var(--danger)';
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metaView.textContent = `无法连接本地串口服务：${error.message}`;
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} finally {
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statusPolling = false;
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}
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}
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async function postCommand(path, body = '') {
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const response = await fetch(path, {
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method: 'POST',
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headers: {
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'Content-Type': 'text/plain; charset=utf-8',
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'X-Serial-Token': token
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},
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body
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});
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let result = {};
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try { result = await response.json(); } catch { }
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if (!response.ok) throw new Error(result.error || `HTTP ${response.status}`);
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return result;
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}
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async function sendCommand(commandOverride) {
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const fromInput = typeof commandOverride !== 'string';
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const command = fromInput ? commandView.value : commandOverride;
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const wasSecret = fromInput && promptMode === 'password';
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if (!serialOpen || sendBusy) return;
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sendBusy = true;
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updateInputControls();
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try {
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await postCommand('/api/send?ending=CR', command);
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if (!wasSecret) rememberCommand(command);
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if (fromInput && commandView.value === command) setCommandValue('');
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if (wasSecret) commandView.classList.remove('masked');
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setTimeout(refreshLog, 50);
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} catch (error) {
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connectionView.textContent = `● ${configuredPort} 发送失败：${error.message}`;
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connectionView.style.color = 'var(--danger)';
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} finally {
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sendBusy = false;
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updateInputControls();
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commandView.focus();
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}
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}
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function disconnectClient() {
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if (pageClosing) return;
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pageClosing = true;
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const disconnectUrl = `${clientUrl('/api/client/disconnect')}&token=${encodeURIComponent(token)}`;
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// 浏览器关闭标签页时普通异步请求可能被直接取消；sendBeacon 专门用于离页通知。
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// 某些内置浏览器未实现 sendBeacon，因此同时保留 keepalive fetch 作为兼容兜底。
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if (navigator.sendBeacon) {
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try {
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navigator.sendBeacon(disconnectUrl, new Blob([], { type: 'text/plain;charset=UTF-8' }));
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} catch (_) { }
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}
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fetch(disconnectUrl, {
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method: 'POST',
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headers: {
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'Content-Type': 'text/plain; charset=utf-8',
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'X-Serial-Token': token
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},
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body: '',
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keepalive: true
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}).catch(() => { });
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}
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document.querySelectorAll('.fill').forEach((button) => {
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button.addEventListener('click', () => {
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setCommandValue(button.dataset.command || '');
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});
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});
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sendButton.addEventListener('click', sendCommand);
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followView.addEventListener('change', () => {
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if (followView.checked) {
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requestAnimationFrame(() => {
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logView.scrollTop = logView.scrollHeight;
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});
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}
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});
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commandView.addEventListener('input', resizeCommandInput);
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commandView.addEventListener('keydown', (event) => {
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// 中文输入法确认候选时的 Enter 不应被当成串口发送。
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if (event.isComposing || event.keyCode === 229) return;
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if (event.key === 'Enter' && !event.shiftKey) {
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event.preventDefault();
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if (event.repeat && commandView.value.length === 0) return;
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sendCommand();
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return;
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}
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if (event.key === 'Escape') {
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event.preventDefault();
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setCommandValue('');
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return;
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}
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const atStart = commandView.selectionStart === 0 && commandView.selectionEnd === 0;
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const atEnd = commandView.selectionStart === commandView.value.length && commandView.selectionEnd === commandView.value.length;
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if (event.key === 'ArrowUp' && commandHistory.length && (atStart || !commandView.value.includes('\n'))) {
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event.preventDefault();
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if (historyIndex === commandHistory.length) historyDraft = commandView.value;
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historyIndex = Math.max(0, historyIndex - 1);
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setCommandValue(commandHistory[historyIndex]);
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} else if (event.key === 'ArrowDown' && commandHistory.length && (atEnd || !commandView.value.includes('\n'))) {
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event.preventDefault();
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historyIndex = Math.min(commandHistory.length, historyIndex + 1);
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setCommandValue(historyIndex === commandHistory.length ? historyDraft : commandHistory[historyIndex]);
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}
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});
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window.addEventListener('pagehide', disconnectClient);
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window.addEventListener('beforeunload', disconnectClient);
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window.addEventListener('pageshow', () => {
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pageClosing = false;
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refreshStatus();
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});
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refreshLog();
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refreshStatus();
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setInterval(refreshLog, 800);
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setInterval(refreshStatus, 500);
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</script>
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</body>
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</html>
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