117 lines
3.9 KiB
JavaScript
117 lines
3.9 KiB
JavaScript
const { createApp, ref, computed, watch, onMounted, onUnmounted } = Vue;
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const defaultPrefs = {
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base_tf: '1m',
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enabled: { ma: { '1d': [10, 20, 50, 100, 200], '4h': [], '1h': [] }, manual: true, auto: false },
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hidden_levels_score: false,
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};
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createApp({
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setup() {
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const status = ref({ stream: 'disconnected', bars_held: {} });
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const price = ref(null);
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const storedPrefs = localStorage.getItem('chart-layer-prefs');
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const prefs = ref(storedPrefs ? JSON.parse(storedPrefs) : structuredClone(defaultPrefs));
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const timeframe = ref(prefs.value.base_tf || '1m');
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const levels = ref([]);
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const timeframes = ['1m', '2m', '5m', '15m', '30m', '1h', '4h', '1d'];
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const now = ref(Date.now());
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let chartApi = null;
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let socket = null;
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let timer = null;
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const barAge = computed(() => {
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if (!status.value.last_bar_t) return '—';
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const seconds = Math.max(0, Math.floor(now.value / 1000 - status.value.last_bar_t));
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return seconds < 60 ? `${seconds}s` : `${Math.floor(seconds / 60)}m`;
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});
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async function refreshStatus() {
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const response = await fetch('/api/status');
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if (response.ok) status.value = await response.json();
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}
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function connect() {
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const protocol = location.protocol === 'https:' ? 'wss' : 'ws';
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socket = new WebSocket(`${protocol}://${location.host}/ws`);
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socket.onopen = () => {
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socket.send(JSON.stringify({ type: 'subscribe', tf: timeframe.value }));
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sendPrefs();
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};
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socket.onmessage = ({ data }) => {
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const message = JSON.parse(data);
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if (message.type === 'snapshot') {
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chartApi.setBars(message.bars);
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levels.value = message.levels || [];
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syncVisibleLevels();
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price.value = message.price;
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} else if (message.type === 'bar') {
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chartApi.updateBar(message.bar);
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price.value = message.bar.c;
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status.value.last_bar_t = message.bar.t;
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} else if (message.type === 'levels') {
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levels.value = message.levels;
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syncVisibleLevels();
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}
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};
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socket.onclose = () => {
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status.value.stream = 'disconnected';
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setTimeout(connect, 2000);
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};
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}
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function selectTimeframe(tf) {
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timeframe.value = tf;
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prefs.value.base_tf = tf;
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if (socket?.readyState === WebSocket.OPEN) {
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socket.send(JSON.stringify({ type: 'subscribe', tf }));
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}
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}
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function enabled(level) {
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if (level.kind === 'ma') return (prefs.value.enabled.ma[level.tf] || []).includes(level.period);
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if (level.kind === 'manual') return prefs.value.enabled.manual;
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return prefs.value.enabled.auto;
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}
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function syncVisibleLevels() {
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if (chartApi) chartApi.syncLevels(levels.value.filter(enabled));
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}
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function sendPrefs() {
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if (socket?.readyState === WebSocket.OPEN) {
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socket.send(JSON.stringify({ type: 'prefs', ...prefs.value }));
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}
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}
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function allEnabled(tf) {
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const available = tf === '1d' ? [10, 20, 50, 100, 200] : [9, 21];
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return available.every(period => (prefs.value.enabled.ma[tf] || []).includes(period));
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}
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function toggleGroup(tf, checked) {
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prefs.value.enabled.ma[tf] = checked ? (tf === '1d' ? [10, 20, 50, 100, 200] : [9, 21]) : [];
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}
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watch(prefs, () => {
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localStorage.setItem('chart-layer-prefs', JSON.stringify(prefs.value));
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syncVisibleLevels();
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sendPrefs();
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}, { deep: true });
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onMounted(() => {
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chartApi = new ConfluenceChart();
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chartApi.create(document.getElementById('chart'));
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refreshStatus();
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connect();
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timer = setInterval(() => { now.value = Date.now(); refreshStatus(); }, 5000);
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});
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onUnmounted(() => {
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clearInterval(timer);
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if (socket) socket.close();
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if (chartApi) chartApi.destroy();
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});
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return { status, price, barAge, timeframe, timeframes, prefs, selectTimeframe, allEnabled, toggleGroup };
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},
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}).mount('#app');
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