Compare commits
14 Commits
cc0de27fb6
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bur-39
| Author | SHA1 | Date | |
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9ca1b2e20a |
@@ -1,3 +1,4 @@
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import mpegts from 'mpegts.js';
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import { useEffect, useRef, useState } from 'react';
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type CameraViewProps = {
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@@ -5,14 +6,29 @@ type CameraViewProps = {
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wsUrl: string;
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};
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const CAMERA_PLAYER_CONFIG = {
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enableWorker: true,
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enableStashBuffer: true,
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stashInitialSize: 512,
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autoCleanupSourceBuffer: true,
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autoCleanupMaxBackwardDuration: 10,
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autoCleanupMinBackwardDuration: 5,
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liveBufferLatencyChasing: true,
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liveBufferLatencyMaxLatency: 5.0,
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liveBufferLatencyMinRemain: 2.0,
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liveSync: false,
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lazyLoad: false,
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deferLoadAfterSourceOpen: false,
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};
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export function CameraView({ title = 'Камера', wsUrl }: CameraViewProps) {
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const videoRef = useRef<HTMLVideoElement | null>(null);
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const [error, setError] = useState<string | null>(null);
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useEffect(() => {
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const video = videoRef.current;
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let player: import('mpegts.js').default.Player | null = null;
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let cancelled = false;
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let player: ReturnType<typeof mpegts.createPlayer> | null = null;
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const handlePlayerError = () => setError('Ошибка видеопотока');
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if (!video) {
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return;
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@@ -22,33 +38,30 @@ export function CameraView({ title = 'Камера', wsUrl }: CameraViewProps) {
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video.addEventListener('playing', clearError);
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setError(null);
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void import('mpegts.js').then(({ default: mpegts }) => {
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if (cancelled) {
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return;
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}
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if (!mpegts.isSupported()) {
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setError('Браузер не поддерживает MPEG-TS поток');
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return () => {
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video.removeEventListener('playing', clearError);
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};
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}
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if (!mpegts.isSupported()) {
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setError('Браузер не поддерживает MPEG-TS поток');
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return;
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}
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player = mpegts.createPlayer(
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{ type: 'mpegts', isLive: true, url: wsUrl, hasAudio: false },
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CAMERA_PLAYER_CONFIG,
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);
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player = mpegts.createPlayer(
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{ type: 'mpegts', isLive: true, url: wsUrl },
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{ liveBufferLatencyChasing: true, liveBufferLatencyMaxLatency: 1.5 },
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);
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player.on(mpegts.Events.ERROR, handlePlayerError);
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player.attachMediaElement(video);
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player.load();
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player.attachMediaElement(video);
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player.load();
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const playResult = player.play();
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if (playResult instanceof Promise) {
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void playResult.then(() => setError(null)).catch(() => setError('Не удалось запустить воспроизведение'));
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}
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});
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const playResult = player.play();
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if (playResult instanceof Promise) {
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void playResult.then(() => setError(null)).catch(() => undefined);
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}
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return () => {
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cancelled = true;
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video.removeEventListener('playing', clearError);
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player?.off(mpegts.Events.ERROR, handlePlayerError);
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player?.pause();
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player?.unload();
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player?.detachMediaElement();
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@@ -1,6 +1,7 @@
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import { useCallback, useMemo, useRef } from 'react';
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import type { HistoryAxisLabelFormat } from '../../utils/historyGranularity';
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import type { DataZoomEventBatch, DataZoomState } from './chartTypes';
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import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
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import type { EChartsOption } from 'echarts';
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import { getHistoryGranularity, type HistoryAxisLabelFormat } from '../../utils/historyGranularity';
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import type { DataZoomEventBatch, DataZoomState, HistoryZoomRange } from './chartTypes';
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import { HistoryChartArea } from './HistoryChartArea';
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import { createHistoryChartOptions } from './historyChartOptions';
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import { useHistoryChartQueries } from './useHistoryChartQueries';
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@@ -17,11 +18,108 @@ type HistoryChartProps = {
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tagLabels?: Record<string, string>;
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};
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/** Контейнер истории: загружает выбранные теги и передает готовые серии в область ECharts. */
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const ZOOM_REQUEST_DELAY_MS = 350;
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function isXAxisDataZoom(state: DataZoomState): boolean {
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return state.dataZoomId?.startsWith('history-x-') || state.dataZoomIndex === 0 || state.dataZoomIndex === 1;
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}
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/** Собирает начальный zoom-диапазон из внешних props графика. */
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function createInitialZoomRange({
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from,
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granulate,
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labelFormat,
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tickIntervalMs,
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to,
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}: Pick<HistoryChartProps, 'from' | 'granulate' | 'labelFormat' | 'tickIntervalMs' | 'to'>): HistoryZoomRange {
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return { from, to, granulate, labelFormat, tickIntervalMs };
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}
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/** Создает zoom-диапазон из миллисекунд и подбирает для него грануляцию. */
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function createZoomRange(fromMs: number, toMs: number): HistoryZoomRange {
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const from = new Date(fromMs).toISOString();
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const to = new Date(toMs).toISOString();
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return {
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from,
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to,
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...getHistoryGranularity(from, to),
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};
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}
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/** Достает подинтервал X-зума из события ECharts. */
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function getZoomRangeFromEvent(state: DataZoomState, baseRange: HistoryZoomRange): HistoryZoomRange | null {
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const baseFromMs = new Date(baseRange.from).getTime();
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const baseToMs = new Date(baseRange.to).getTime();
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const baseSpanMs = baseToMs - baseFromMs;
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if (!Number.isFinite(baseFromMs) || !Number.isFinite(baseToMs) || baseSpanMs <= 0) {
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return null;
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}
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const startValue = Number(state.startValue);
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const endValue = Number(state.endValue);
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let nextFromMs = Number.isFinite(startValue) ? startValue : undefined;
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let nextToMs = Number.isFinite(endValue) ? endValue : undefined;
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// ECharts иногда не передает startValue/endValue, поэтому используем start/end.
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if (nextFromMs === undefined || nextToMs === undefined) {
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const start = Number(state.start);
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const end = Number(state.end);
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if (!Number.isFinite(start) || !Number.isFinite(end)) {
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return null;
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}
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nextFromMs = baseFromMs + (baseSpanMs * start) / 100;
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nextToMs = baseFromMs + (baseSpanMs * end) / 100;
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}
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// Проверка на выход из диапазона
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const fromMs = Math.max(baseFromMs, Math.min(nextFromMs, nextToMs));
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const toMs = Math.min(baseToMs, Math.max(nextFromMs, nextToMs));
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return toMs > fromMs ? createZoomRange(fromMs, toMs) : null;
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}
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/** Проверяет, что lazy zoom не пытается повторно применить тот же диапазон. */
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function isSameZoomRange(left: HistoryZoomRange, right: HistoryZoomRange): boolean {
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return left.from === right.from && left.to === right.to && left.granulate === right.granulate;
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}
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/** Вычисляет, какую часть верхнеуровневого периода занимает текущий пользовательский zoom. */
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function createDataZoomState(baseRange: HistoryZoomRange, zoomRange: HistoryZoomRange): DataZoomState {
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// Верхнеуровневый период берём из инпутов "С/По" и считаем его полными 0..100%.
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const baseFromMs = new Date(baseRange.from).getTime();
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const baseToMs = new Date(baseRange.to).getTime();
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// Пользовательский zoom живёт внутри верхнеуровневого периода и должен быть выделен на нижней шкале.
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const zoomFromMs = new Date(zoomRange.from).getTime();
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const zoomToMs = new Date(zoomRange.to).getTime();
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const baseSpanMs = baseToMs - baseFromMs;
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// Если даты некорректны, показываем весь период, чтобы не ломать управление графиком.
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if (
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!Number.isFinite(baseFromMs) ||
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!Number.isFinite(baseToMs) ||
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!Number.isFinite(zoomFromMs) ||
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!Number.isFinite(zoomToMs) ||
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baseSpanMs <= 0
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) {
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return { start: 0, end: 100 };
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}
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// Переводим абсолютные даты zoom-а в проценты относительно верхнеуровневого периода.
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const start = ((zoomFromMs - baseFromMs) / baseSpanMs) * 100;
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const end = ((zoomToMs - baseFromMs) / baseSpanMs) * 100;
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// Ограничиваем значения диапазоном 0..100, чтобы ECharts не получил выход за шкалу.
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return {
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start: Math.max(0, Math.min(100, start)),
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end: Math.max(0, Math.min(100, end)),
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};
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}
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export function HistoryChart({
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edge,
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from,
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@@ -32,26 +130,75 @@ export function HistoryChart({
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to,
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tagLabels = {},
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}: HistoryChartProps) {
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const dataZoomRef = useRef<DataZoomState | null>(null);
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const lines = useHistoryChartQueries({ edge, from, granulate, tags, to, tagLabels });
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const series = useHistoryChartSeries(lines, granulate);
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const baseRange = useMemo(
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() => createInitialZoomRange({ from, granulate, labelFormat, tickIntervalMs, to }),
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[from, granulate, labelFormat, tickIntervalMs, to],
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);
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const [zoomRange, setZoomRange] = useState(() =>
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createInitialZoomRange({ from, granulate, labelFormat, tickIntervalMs, to }),
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);
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const baseRangeRef = useRef(baseRange);
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const zoomRangeRef = useRef(zoomRange);
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const zoomTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
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const lastReadyOptionRef = useRef<EChartsOption | null>(null);
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const lines = useHistoryChartQueries({
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edge,
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from: zoomRange.from,
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granulate: zoomRange.granulate,
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tags,
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to: zoomRange.to,
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tagLabels,
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});
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const series = useHistoryChartSeries(lines, zoomRange.granulate);
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const legendData = useMemo(() => lines.map((line) => line.label), [lines]);
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const loading = lines.some((line) => line.loading);
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const hasData = series.length > 0;
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useEffect(() => {
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baseRangeRef.current = baseRange;
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zoomRangeRef.current = baseRange;
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setZoomRange(baseRange);
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}, [baseRange]);
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useEffect(() => {
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zoomRangeRef.current = zoomRange;
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}, [zoomRange]);
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useEffect(
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() => () => {
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if (zoomTimerRef.current) {
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clearTimeout(zoomTimerRef.current);
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}
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},
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[],
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);
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const option = useMemo(
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() =>
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createHistoryChartOptions({
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dataZoomState: dataZoomRef.current ?? {},
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from,
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to,
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labelFormat,
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dataZoomState: createDataZoomState(baseRange, zoomRange),
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from: baseRange.from,
|
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to: baseRange.to,
|
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labelFormat: zoomRange.labelFormat,
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legendData,
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series,
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tickIntervalMs,
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tickIntervalMs: zoomRange.tickIntervalMs,
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}),
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[from, labelFormat, legendData, series, tickIntervalMs, to],
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[baseRange, legendData, series, zoomRange],
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);
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// Во время lazy-загрузки нового zoom-диапазона оставляем на экране последний готовый график.
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// Так canvas не заменяется loader-ом и пользователь не теряет визуальный контекст.
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const fallbackOption = loading && !hasData ? lastReadyOptionRef.current : null;
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const displayOption = fallbackOption ?? option;
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const displayHasData = hasData || Boolean(fallbackOption);
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useEffect(() => {
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if (hasData) {
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lastReadyOptionRef.current = option;
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}
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}, [hasData, option]);
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|
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const handleDataZoom = useCallback((event: DataZoomEventBatch) => {
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const state = (event.batch ?? [event]).find(isXAxisDataZoom);
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@@ -59,20 +206,30 @@ export function HistoryChart({
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return;
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}
|
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|
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dataZoomRef.current = {
|
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start: state.start,
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end: state.end,
|
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startValue: state.startValue,
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endValue: state.endValue,
|
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};
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const baseRange = baseRangeRef.current;
|
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const currentRange = zoomRangeRef.current;
|
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const nextRange = getZoomRangeFromEvent(state, baseRange);
|
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|
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if (!nextRange || isSameZoomRange(nextRange, currentRange)) {
|
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return;
|
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}
|
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|
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if (zoomTimerRef.current) {
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clearTimeout(zoomTimerRef.current);
|
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}
|
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|
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zoomTimerRef.current = setTimeout(() => {
|
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zoomRangeRef.current = nextRange;
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setZoomRange(nextRange);
|
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}, ZOOM_REQUEST_DELAY_MS);
|
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}, []);
|
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|
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return (
|
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<HistoryChartArea
|
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hasData={series.length > 0}
|
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hasData={displayHasData}
|
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hasSelection={tags.length > 0}
|
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loading={loading}
|
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option={option}
|
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option={displayOption}
|
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onDataZoom={handleDataZoom}
|
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/>
|
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);
|
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|
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@@ -1,6 +1,7 @@
|
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import type { EChartsOption } from 'echarts';
|
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import ReactEChartsCore from 'echarts-for-react/esm/core.js';
|
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import { useMemo } from 'react';
|
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import { useCallback, useEffect, useMemo, useRef } from 'react';
|
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import type { WheelEvent } from 'react';
|
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import type { DataZoomEventBatch } from './chartTypes';
|
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import { echarts } from './historyChartEcharts';
|
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|
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@@ -12,6 +13,21 @@ type HistoryChartAreaProps = {
|
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onDataZoom: (event: DataZoomEventBatch) => void;
|
||||
};
|
||||
|
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/** Включает или выключает нативный X-зум колесом, чтобы Shift + колесо работал только по Y. */
|
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function setXAxisWheelZoom(chart: ReturnType<ReactEChartsCore['getEchartsInstance']>, enabled: boolean): void {
|
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chart.setOption(
|
||||
{
|
||||
dataZoom: [
|
||||
{
|
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id: 'history-x-inside',
|
||||
zoomOnMouseWheel: enabled,
|
||||
},
|
||||
],
|
||||
},
|
||||
{ lazyUpdate: true },
|
||||
);
|
||||
}
|
||||
|
||||
/** Отвечает только за визуальную область графика: placeholder или ECharts canvas. */
|
||||
export function HistoryChartArea({
|
||||
hasData,
|
||||
@@ -20,18 +36,61 @@ export function HistoryChartArea({
|
||||
option,
|
||||
onDataZoom,
|
||||
}: HistoryChartAreaProps) {
|
||||
const chartRef = useRef<InstanceType<typeof ReactEChartsCore> | null>(null);
|
||||
const xWheelZoomEnabledRef = useRef(true);
|
||||
const onChartEvents = useMemo(
|
||||
() => ({
|
||||
datazoom: onDataZoom,
|
||||
}),
|
||||
[onDataZoom],
|
||||
);
|
||||
const updateXAxisWheelZoom = useCallback((enabled: boolean) => {
|
||||
const chart = chartRef.current?.getEchartsInstance();
|
||||
|
||||
if (!chart || xWheelZoomEnabledRef.current === enabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
xWheelZoomEnabledRef.current = enabled;
|
||||
setXAxisWheelZoom(chart, enabled);
|
||||
}, []);
|
||||
|
||||
useEffect(() => {
|
||||
const handleKeyDown = (event: KeyboardEvent) => {
|
||||
if (event.key === 'Shift') {
|
||||
updateXAxisWheelZoom(false);
|
||||
}
|
||||
};
|
||||
const handleKeyUp = (event: KeyboardEvent) => {
|
||||
if (event.key === 'Shift') {
|
||||
updateXAxisWheelZoom(true);
|
||||
}
|
||||
};
|
||||
const handleBlur = () => updateXAxisWheelZoom(true);
|
||||
|
||||
window.addEventListener('keydown', handleKeyDown);
|
||||
window.addEventListener('keyup', handleKeyUp);
|
||||
window.addEventListener('blur', handleBlur);
|
||||
|
||||
return () => {
|
||||
window.removeEventListener('keydown', handleKeyDown);
|
||||
window.removeEventListener('keyup', handleKeyUp);
|
||||
window.removeEventListener('blur', handleBlur);
|
||||
};
|
||||
}, [updateXAxisWheelZoom]);
|
||||
|
||||
const handleWheelCapture = useCallback(
|
||||
(event: WheelEvent<HTMLDivElement>) => {
|
||||
updateXAxisWheelZoom(!event.shiftKey);
|
||||
},
|
||||
[updateXAxisWheelZoom],
|
||||
);
|
||||
|
||||
if (!hasSelection) {
|
||||
return <div className="chart-placeholder">Разверните список показателей и выберите серию для графика</div>;
|
||||
}
|
||||
|
||||
if (loading) {
|
||||
if (!hasData && loading) {
|
||||
return <div className="chart-placeholder">Загрузка графика...</div>;
|
||||
}
|
||||
|
||||
@@ -39,5 +98,16 @@ export function HistoryChartArea({
|
||||
return <div className="chart-placeholder">Нет данных для выбранного диапазона</div>;
|
||||
}
|
||||
|
||||
return <ReactEChartsCore echarts={echarts} option={option} className="history-chart" onEvents={onChartEvents} lazyUpdate />;
|
||||
return (
|
||||
<div className="history-chart-shell" onWheelCapture={handleWheelCapture}>
|
||||
<ReactEChartsCore
|
||||
ref={chartRef}
|
||||
echarts={echarts}
|
||||
option={option}
|
||||
className="history-chart"
|
||||
onEvents={onChartEvents}
|
||||
lazyUpdate
|
||||
/>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
@@ -1,7 +1,17 @@
|
||||
import type { HistoryAxisLabelFormat } from '../../utils/historyGranularity';
|
||||
|
||||
export type AvgPointValue = [time: number, avg: number, min: number, max: number, count: number];
|
||||
|
||||
export type HistoryBucketValue = [...AvgPointValue, slotMs: number];
|
||||
|
||||
export type HistoryZoomRange = {
|
||||
from: string;
|
||||
to: string;
|
||||
granulate: string;
|
||||
tickIntervalMs?: number;
|
||||
labelFormat?: HistoryAxisLabelFormat;
|
||||
};
|
||||
|
||||
export type TooltipParam = {
|
||||
color?: string;
|
||||
marker?: string;
|
||||
|
||||
@@ -60,7 +60,7 @@ function formatChartValue(value: number): string {
|
||||
}).format(value);
|
||||
}
|
||||
|
||||
/** Показывает одно значение, если min/avg/max визуально совпадают. */
|
||||
/** Форматирует значение tooltip: одно число для min=avg=max или среднее с диапазоном. */
|
||||
function formatTooltipValue(value: AvgPointValue): string {
|
||||
const avg = formatChartValue(value[1]);
|
||||
const min = formatChartValue(value[2]);
|
||||
@@ -70,7 +70,7 @@ function formatTooltipValue(value: AvgPointValue): string {
|
||||
return avg;
|
||||
}
|
||||
|
||||
return `min ${min} · avg ${avg} · max ${max}`;
|
||||
return `сред. ${avg} (${min} .. ${max})`;
|
||||
}
|
||||
|
||||
function isAvgPointValue(value: unknown): value is AvgPointValue {
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
import { useMemo } from 'react';
|
||||
import { useQueries } from '@tanstack/react-query';
|
||||
import { keepPreviousData, useQueries } from '@tanstack/react-query';
|
||||
import { getHistory } from '../../entities/history/api';
|
||||
import type { HistoryPoint } from '../../entities/history/types';
|
||||
|
||||
@@ -35,6 +35,7 @@ export function useHistoryChartQueries({
|
||||
queryKey: ['history', edge, tag, from, to, granulate],
|
||||
queryFn: ({ signal }: { signal: AbortSignal }) => getHistory({ edge, tag, from, to, granulate }, signal),
|
||||
enabled,
|
||||
placeholderData: keepPreviousData,
|
||||
})),
|
||||
});
|
||||
|
||||
|
||||
@@ -1,8 +1,14 @@
|
||||
.history-chart-shell,
|
||||
.history-chart {
|
||||
width: 100%;
|
||||
height: 440px;
|
||||
}
|
||||
|
||||
.history-chart-shell .history-chart {
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.chart-section--archive .history-chart-shell,
|
||||
.chart-section--archive .history-chart {
|
||||
flex: 1;
|
||||
min-height: 520px;
|
||||
@@ -67,6 +73,7 @@
|
||||
}
|
||||
|
||||
@media (max-width: 680px) {
|
||||
.chart-section--archive .history-chart-shell,
|
||||
.chart-section--archive .history-chart,
|
||||
.chart-section--archive .chart-placeholder {
|
||||
min-height: 420px;
|
||||
|
||||
Reference in New Issue
Block a user