4e:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 4f:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 50:T1edd,"use client"; import { ParentSize } from "@visx/responsive"; import type { Transition } from "motion/react"; import { Children, type CSSProperties, isValidElement, type ReactNode, useCallback, useMemo, useRef, useState, } from "react"; import { cn } from "@/lib/utils"; import { Area, type AreaProps } from "./area"; import type { LineConfig, Margin } from "./chart-context"; import { ChartLoadingLabel } from "./chart-loading-label"; import { type ChartPhase, type ChartStatus, DEFAULT_CHART_STATUS, DEFAULT_Y_DOMAIN_TWEEN_MS, resolveRestingChartPhase, } from "./chart-phase"; import { PatternArea } from "./pattern-area"; import { TimeSeriesChartInner } from "./time-series-chart-shell"; export interface AreaChartProps { /** Data array - each item should have a date field and numeric values */ data: Record[]; /** Key in data for the x-axis (date). Default: "date" */ xDataKey?: string; /** Chart margins */ margin?: Partial; /** Animation duration in milliseconds. Default: 1100 */ animationDuration?: number; /** CSS easing for clip-reveal. Default: cubic-bezier(0.85, 0, 0.15, 1) */ animationEasing?: string; /** Motion enter transition (spring or cubic-bezier tween). */ enterTransition?: Transition; /** Signature of motion URL state — triggers reveal replay when it changes. */ revealSignature?: string; /** Aspect ratio as "width / height". Default: "2 / 1" */ aspectRatio?: string; /** Additional class name for the container */ className?: string; /** Loading vs ready — drives chart phase and loading chrome. Default: `"ready"`. */ status?: ChartStatus; /** Centered shimmer label while loading. */ loadingLabel?: string; /** Animate y-domain over this duration (ms) on status transitions. Default: 500. */ yDomainTweenDuration?: number; /** Animate y-domain when status or target domain changes. Default: true */ yDomainTween?: boolean; /** Visible x-domain for brush zoom. */ xDomain?: [Date, Date]; /** Full dataset length for x-scale padding when `xDomain` is set. */ xDomainSlotCount?: number; /** Tween y-domain when brush changes the visible x-range. Default: false */ tweenYDomainOnXDomainChange?: boolean; /** Inline container styles (e.g. fixed height for brush strip). */ style?: CSSProperties; /** Fires when the internal chart phase changes (e.g. OG capture readiness). */ onPhaseChange?: (phase: ChartPhase) => void; /** Child components (Area, Grid, ChartTooltip, etc.) */ children: ReactNode; } const DEFAULT_MARGIN: Margin = { top: 40, right: 40, bottom: 40, left: 40 }; function extractAreaConfigs(children: ReactNode): LineConfig[] { const configs: LineConfig[] = []; Children.forEach(children, (child) => { if (!isValidElement(child)) { return; } const childType = child.type as { displayName?: string; name?: string; }; const componentName = typeof child.type === "function" ? childType.displayName || childType.name || "" : ""; const props = child.props as AreaProps | undefined; const isPatternArea = componentName === "PatternArea" || child.type === PatternArea; const isAreaComponent = componentName === "Area" || child.type === Area || (props && typeof props.dataKey === "string" && props.dataKey.length > 0 && !isPatternArea); if (isAreaComponent && props?.dataKey) { configs.push({ dataKey: props.dataKey, stroke: props.stroke || props.fill || "var(--chart-line-primary)", strokeWidth: props.strokeWidth || 2, yAxisId: props.yAxisId, }); } }); return configs; } interface ChartInnerProps { width: number; height: number; data: Record[]; xDataKey: string; margin: Margin; animationDuration: number; animationEasing?: string; enterTransition?: Transition; revealSignature?: string; chartStatus: ChartStatus; loadingLabel?: string; yDomainTweenDuration: number; yDomainTween: boolean; xDomain?: [Date, Date]; xDomainSlotCount?: number; tweenYDomainOnXDomainChange?: boolean; children: ReactNode; containerRef: React.RefObject; onPhaseChange: (phase: ChartPhase) => void; } function ChartInner({ width, height, data, xDataKey, margin, animationDuration, animationEasing, enterTransition, revealSignature, chartStatus, loadingLabel, yDomainTweenDuration, yDomainTween, xDomain, xDomainSlotCount, tweenYDomainOnXDomainChange, children, containerRef, onPhaseChange, }: ChartInnerProps) { const lines = useMemo(() => extractAreaConfigs(children), [children]); return ( {children} ); } export function AreaChart({ data, xDataKey = "date", margin: marginProp, animationDuration = 1100, animationEasing, enterTransition, revealSignature, aspectRatio = "2 / 1", className = "", status = DEFAULT_CHART_STATUS, loadingLabel, yDomainTweenDuration = DEFAULT_Y_DOMAIN_TWEEN_MS, yDomainTween = true, xDomain, xDomainSlotCount, tweenYDomainOnXDomainChange = false, style, onPhaseChange, children, }: AreaChartProps) { const containerRef = useRef(null); const margin = { ...DEFAULT_MARGIN, ...marginProp }; const [chartPhase, setChartPhase] = useState(() => resolveRestingChartPhase(status) ); const handlePhaseChange = useCallback( (phase: ChartPhase) => { setChartPhase(phase); onPhaseChange?.(phase); }, [onPhaseChange] ); const showLoadingLabel = Boolean( loadingLabel?.trim() && (chartPhase === "loading" || chartPhase === "exiting" || chartPhase === "gridTweenReady" || chartPhase === "revealingLoading") ); return (

{({ width, height }) => ( {children} )} {showLoadingLabel ? ( ) : null}

); } export { Area, type AreaProps } from "./area"; export default AreaChart; 51:T4c94,"use client"; import { scaleLinear, scaleTime } from "@visx/scale"; import { bisector, extent } from "d3-array"; import type { Transition } from "motion/react"; import { Children, cloneElement, isValidElement, memo, type ReactElement, type ReactNode, useCallback, useEffect, useId, useMemo, useState, } from "react"; import { DEFAULT_ANIMATION_EASING, DEFAULT_CHART_ENTER_TRANSITION, } from "./animation"; import { isClipExcludedComponent, isPostOverlayComponent, isUnderlayComponent, resolveChartChildElement, } from "./chart-child-passthrough"; import { ChartProvider, type LineConfig, type Margin } from "./chart-context"; import { isGradientDefComponent, isPatternDefComponent } from "./chart-defs"; import { shortDateFmt } from "./chart-formatters"; import { type ChartPhase, type ChartStatus, DEFAULT_CHART_STATUS, DEFAULT_Y_DOMAIN_TWEEN_MS, isChartInteractionPhase, } from "./chart-phase"; import { ChartRevealClip } from "./chart-reveal-clip"; import { decimateTimeSeries, maxRenderPointsForWidth, } from "./decimate-time-series"; import { filterDataByXDomain } from "./filter-data-by-x-domain"; import { generateChartSkeletonData, generateChartSkeletonFromTarget, } from "./generate-chart-skeleton-data"; import { extractProjectionLineConfigs, mergeProjectionXDomainMax, mergeProjectionYDomain, } from "./projection-config"; import { extractReferenceAreaConfigs, type ReferenceAreaConfig, } from "./reference-area-config"; import { ReferenceAreaRegistrationContext } from "./reference-area-registration-context"; import { computeSeriesBarRevealClipPadding, computeSeriesBarWidth, } from "./series-bar-layout"; import { useStaticChartPreview } from "./static-chart-preview-context"; import { useAnimatedYDomains } from "./use-animated-y-domains"; import { useChartInteraction } from "./use-chart-interaction"; import { useChartPhaseOrchestrator } from "./use-chart-phase-orchestrator"; import { buildYScalesFromDomains, DEFAULT_Y_AXIS_ID, getPrimaryYScale, groupLinesByYAxisId, } from "./y-axis-scales"; import { computeYDomainsByAxis } from "./y-domain-utils"; function collectNumericExtents( data: Record[], dataKeys: string[] ) { let minValue = Number.POSITIVE_INFINITY; let maxValue = Number.NEGATIVE_INFINITY; for (const d of data) { for (const key of dataKeys) { const value = d[key]; if (typeof value === "number") { if (value < minValue) { minValue = value; } if (value > maxValue) { maxValue = value; } } } } if (minValue === Number.POSITIVE_INFINITY) { return { minValue: 0, maxValue: 100 }; } return { minValue, maxValue }; } function resolveTimeSeriesYDomain( data: Record[], dataKeys: string[], yScaleDomainMax: number | undefined ): [number, number] { if (yScaleDomainMax != null && yScaleDomainMax > 0) { return [0, yScaleDomainMax * 1.1]; } const { minValue, maxValue } = collectNumericExtents(data, dataKeys); if (minValue >= 0) { const top = maxValue <= 0 ? 100 : maxValue * 1.1; return [0, top]; } const padding = (maxValue - minValue) * 0.05 || 1; return [minValue - padding, maxValue + padding]; } function ensureChildKey(child: ReactElement, index: number): ReactElement { if (child.key != null) { return child; } return cloneElement(child, { key: `chart-child-${index}` }); } export interface TimeSeriesChartInnerProps { width: number; height: number; data: Record[]; xDataKey: string; margin: Margin; animationDuration: number; animationEasing?: string; enterTransition?: Transition; /** Signature of motion URL state — triggers reveal replay when it changes. */ revealSignature?: string; children: ReactNode; containerRef: React.RefObject; /** Series keys driving y-domain and tooltip (Line / Area / SeriesBar configs). */ lines: LineConfig[]; /** * Base SVG clipPath id for grow animation. Uniquified per chart instance so * multiple charts on one page do not share a clipPath (#226). */ clipPathId: string; /** Optional ComposedChart bar layout (forwarded into context). */ composedBarDataKeys?: string[]; composedBarSize?: number; composedMaxBarSize?: number; composedBarGap?: number; composedStacked?: boolean; composedStackOffsets?: Map>; composedStackGap?: number; /** When set, drives the y-axis max instead of scanning `lines` (e.g. stacked bar totals). */ yScaleDomainMax?: number; /** Loading vs ready — drives chart phase until transition orchestration lands. */ chartStatus?: ChartStatus; loadingLabel?: string; /** Animate y-domain on status / data transitions. Default: true */ yDomainTween?: boolean; yDomainTweenDuration?: number; /** Visible x-domain for brush zoom. When set, y-domain and series use data in this range. */ xDomain?: [Date, Date]; /** Full dataset length for x-scale padding when `xDomain` is set. */ xDomainSlotCount?: number; /** Tween y-domain when the visible x-range changes during the ready phase. */ tweenYDomainOnXDomainChange?: boolean; onPhaseChange?: (phase: ChartPhase) => void; } export function TimeSeriesChartInner(props: TimeSeriesChartInnerProps) { const { width, height } = props; if (width < 10 || height < 10) { return null; } return ; } const TimeSeriesChartCore = memo(function TimeSeriesChartCore({ width, height, data, xDataKey, margin, animationDuration, animationEasing = DEFAULT_ANIMATION_EASING, enterTransition, revealSignature = "", children, containerRef, lines, clipPathId, composedBarDataKeys, composedBarSize, composedMaxBarSize, composedBarGap, composedStacked, composedStackOffsets, composedStackGap, yScaleDomainMax, chartStatus = DEFAULT_CHART_STATUS, loadingLabel, yDomainTween = true, yDomainTweenDuration = DEFAULT_Y_DOMAIN_TWEEN_MS, xDomain, xDomainSlotCount, tweenYDomainOnXDomainChange = false, onPhaseChange, }: TimeSeriesChartInnerProps) { // Unique per instance — shared clipPath ids crop later charts (#226). const uniqueClipPathId = `${clipPathId}-${useId().replace(/:/g, "")}`; const staticPreview = useStaticChartPreview(); const innerWidth = width - margin.left - margin.right; const innerHeight = height - margin.top - margin.bottom; const resolveYDomain = useCallback( (sourceData: Record[], dataKeys: string[]) => { const axisGroups = groupLinesByYAxisId(lines); const usesDefaultOnly = axisGroups.size === 1 && axisGroups.has(DEFAULT_Y_AXIS_ID); const domainMax = usesDefaultOnly && yScaleDomainMax != null ? yScaleDomainMax : undefined; return resolveTimeSeriesYDomain(sourceData, dataKeys, domainMax); }, [lines, yScaleDomainMax] ); const skeletonData = useMemo(() => { const primaryKey = lines[0]?.dataKey ?? "value"; if (data.length === 0) { return generateChartSkeletonData({ dataKey: primaryKey }); } return generateChartSkeletonFromTarget(data, primaryKey); }, [data, lines]); const { chartPhase, plotData, revealEpoch, concealEpoch, isLoaded, notifyLoadingPulseComplete, notifyRevealConcealComplete, notifyYDomainTweenComplete, } = useChartPhaseOrchestrator({ animationDuration, chartStatus, revealSignature, skeletonData, skipEnterReveal: staticPreview, targetData: data, yDomainTweenDuration, }); useEffect(() => { onPhaseChange?.(chartPhase); }, [chartPhase, onPhaseChange]); const xAccessor = useCallback( (d: Record): Date => { const value = d[xDataKey]; return value instanceof Date ? value : new Date(value as string | number); }, [xDataKey] ); const bisectDate = useMemo( () => bisector, Date>((d) => xAccessor(d)).left, [xAccessor] ); const visiblePlotData = useMemo(() => { if (!xDomain) { return plotData; } return filterDataByXDomain(plotData, xDomain, xAccessor); }, [plotData, xDomain, xAccessor]); const projectionConfigs = useMemo( () => extractProjectionLineConfigs(children), [children] ); const xScale = useMemo(() => { const minTime = xDomain ? xDomain[0].getTime() : (extent(plotData, (d) => xAccessor(d).getTime())[0] ?? 0); let maxTime = xDomain ? xDomain[1].getTime() : (extent(plotData, (d) => xAccessor(d).getTime())[1] ?? minTime); // Brush defines the viewport — projection horizon is included via brush // track extent, not by extending past the selection on the main chart. if (!xDomain) { maxTime = mergeProjectionXDomainMax(maxTime, projectionConfigs); } return scaleTime({ range: [0, innerWidth], domain: [minTime, maxTime], }); }, [innerWidth, plotData, projectionConfigs, xAccessor, xDomain]); // When brushing, keep the full series for path rendering so edge fades stay // anchored to the viewport while the line pans through them. Y-domain and // interaction still use the filtered visible slice. const seriesSourceData = xDomain ? plotData : visiblePlotData; const renderData = useMemo(() => { const valueKeys = lines.map((line) => line.dataKey); return decimateTimeSeries( seriesSourceData, maxRenderPointsForWidth(innerWidth), valueKeys ); }, [seriesSourceData, innerWidth, lines]); const columnWidth = useMemo(() => { const slotCount = xDomain && xDomainSlotCount != null ? xDomainSlotCount : visiblePlotData.length; if (slotCount < 2) { return 0; } return innerWidth / (slotCount - 1); }, [innerWidth, visiblePlotData.length, xDomain, xDomainSlotCount]); const yDomainSkeletonByAxis = useMemo( () => computeYDomainsByAxis({ lines, resolveDomain: (dataKeys) => resolveYDomain(skeletonData, dataKeys), }), [lines, resolveYDomain, skeletonData] ); const yDomainTargetByAxis = useMemo(() => { const base = computeYDomainsByAxis({ lines, resolveDomain: (dataKeys) => resolveYDomain(xDomain ? visiblePlotData : data, dataKeys), }); if (projectionConfigs.length === 0) { return base; } const merged: Record = { ...base }; for (const axisId of Object.keys(base)) { merged[axisId] = mergeProjectionYDomain( base[axisId] ?? [0, 100], projectionConfigs, axisId ); } for (const config of projectionConfigs) { if (!merged[config.yAxisId]) { merged[config.yAxisId] = mergeProjectionYDomain( [0, 100], projectionConfigs, config.yAxisId ); } } return merged; }, [ data, lines, projectionConfigs, resolveYDomain, visiblePlotData, xDomain, ]); const animatedYDomainsByAxis = useAnimatedYDomains({ chartPhase, durationMs: yDomainTweenDuration, enabled: yDomainTween, onSettled: notifyYDomainTweenComplete, skeletonByAxis: yDomainSkeletonByAxis, targetByAxis: yDomainTargetByAxis, tweenOnTargetChange: yDomainTween || (tweenYDomainOnXDomainChange && xDomain != null), }); const yDomainsForScales = animatedYDomainsByAxis; const yScales = useMemo( () => buildYScalesFromDomains({ domainsByAxis: yDomainsForScales, innerHeight, lines, }), [yDomainsForScales, innerHeight, lines] ); const yScale = getPrimaryYScale( yScales, scaleLinear({ range: [innerHeight, 0], domain: [0, 100], nice: true }) ); const dateLabels = useMemo( () => visiblePlotData.map((d) => shortDateFmt.format(xAccessor(d))), [visiblePlotData, xAccessor] ); const canInteract = isLoaded && isChartInteractionPhase(chartPhase); const { tooltipData, setTooltipData, selection, clearSelection, interactionHandlers, interactionStyle, } = useChartInteraction({ bisectDate, canInteract, data: visiblePlotData, lines, margin, xAccessor, xScale, yScale, yScales, }); const defsChildren: ReactElement[] = []; const clipExcludedChildren: ReactElement[] = []; const underlayChildren: ReactElement[] = []; const preOverlayChildren: ReactElement[] = []; const postOverlayChildren: ReactElement[] = []; Children.forEach(children, (child, index) => { if (!isValidElement(child)) { return; } const keyedChild = ensureChildKey(child, index); const resolvedChild = resolveChartChildElement(keyedChild); if (isGradientDefComponent(resolvedChild)) { defsChildren.push(resolvedChild); } else if (isPatternDefComponent(resolvedChild)) { preOverlayChildren.push(resolvedChild); } else if (isPostOverlayComponent(resolvedChild)) { postOverlayChildren.push(resolvedChild); } else if (isClipExcludedComponent(resolvedChild)) { clipExcludedChildren.push(resolvedChild); } else if (isUnderlayComponent(resolvedChild)) { underlayChildren.push(resolvedChild); } else { preOverlayChildren.push(resolvedChild); } }); const [registeredReferenceAreas, setRegisteredReferenceAreas] = useState( () => new Map() ); const registerReferenceArea = useCallback( (id: string, config: ReferenceAreaConfig) => { setRegisteredReferenceAreas((prev) => { const existing = prev.get(id); if ( existing && existing.yAxisId === config.yAxisId && existing.y1 === config.y1 && existing.y2 === config.y2 && existing.axisLabelColor === config.axisLabelColor ) { return prev; } const next = new Map(prev); next.set(id, config); return next; }); }, [] ); const unregisterReferenceArea = useCallback((id: string) => { setRegisteredReferenceAreas((prev) => { if (!prev.has(id)) { return prev; } const next = new Map(prev); next.delete(id); return next; }); }, []); const referenceAreaRegistration = useMemo( () => ({ registerReferenceArea, unregisterReferenceArea }), [registerReferenceArea, unregisterReferenceArea] ); const referenceAreas = useMemo(() => { const extracted = extractReferenceAreaConfigs(children); const registered = [...registeredReferenceAreas.values()]; if (registered.length === 0) { return extracted; } if (extracted.length === 0) { return registered; } return [...extracted, ...registered]; }, [children, registeredReferenceAreas]); const contextValue = useMemo( () => ({ data: visiblePlotData, renderData, xScale, yScale, yScales, width, height, innerWidth, innerHeight, margin, columnWidth, tooltipData, setTooltipData, containerRef, lines, referenceAreas, chartPhase, chartStatus, loadingLabel, yDomainTweenDuration, yDomainSkeletonByAxis, yDomainTargetByAxis, isLoaded, animationDuration, animationEasing, enterTransition, revealEpoch, notifyLoadingPulseComplete, xAccessor, dateLabels, xDomain, xDomainSlotCount, selection, clearSelection, composedBarDataKeys, composedBarSize, composedMaxBarSize, composedBarGap, composedStacked, composedStackOffsets, composedStackGap, }), [ visiblePlotData, renderData, xScale, yScale, yScales, width, height, innerWidth, innerHeight, margin, columnWidth, tooltipData, setTooltipData, containerRef, lines, referenceAreas, chartPhase, chartStatus, loadingLabel, yDomainTweenDuration, yDomainSkeletonByAxis, yDomainTargetByAxis, isLoaded, animationDuration, animationEasing, enterTransition, revealEpoch, notifyLoadingPulseComplete, xAccessor, dateLabels, xDomain, xDomainSlotCount, selection, clearSelection, composedBarDataKeys, composedBarSize, composedMaxBarSize, composedBarGap, composedStacked, composedStackOffsets, composedStackGap, ] ); const useClipReveal = !staticPreview && renderData.length > 1 && innerWidth > 0 && animationDuration > 0; const isRevealAnimating = chartPhase === "revealing"; const isRevealConcealing = chartPhase === "exitingReady" && animationDuration > 0; const effectiveEnterTransition: Transition = enterTransition ?? ({ ...DEFAULT_CHART_ENTER_TRANSITION, duration: animationDuration / 1000, } satisfies Transition); const revealClipPadding = useMemo(() => { if (!composedBarDataKeys?.length) { return 0; } const barWidth = computeSeriesBarWidth({ columnWidth, composedBarGap, composedBarSize, composedMaxBarSize, dataLength: plotData.length, innerWidth, seriesCount: composedBarDataKeys.length, stacked: composedStacked, }); return computeSeriesBarRevealClipPadding({ barWidth, gap: composedBarGap, seriesCount: composedBarDataKeys.length, stacked: composedStacked, }); }, [ columnWidth, composedBarDataKeys, composedBarGap, composedBarSize, composedMaxBarSize, composedStacked, innerWidth, plotData.length, ]); return ( ); }); 52:Td33,import { Children, Fragment, isValidElement, type ReactElement, type ReactNode, } from "react"; import { isChartClipPassthrough } from "./chart-child-passthrough"; import type { ProjectionPoint } from "./projection-utils"; import { projectionDateExtents, projectionValueExtents, } from "./projection-utils"; import { normalizeYAxisId } from "./y-axis-scales"; export interface ProjectionLineConfig { yAxisId: string; data: ProjectionPoint[]; } interface ProjectionLineConfigProps { data?: ProjectionPoint[]; yAxisId?: string | number; } function getChildComponentName(child: ReactElement) { const childType = child.type as { displayName?: string; name?: string }; return typeof child.type === "function" ? childType.displayName || childType.name || "" : ""; } function isProjectionLineElement(child: ReactElement): boolean { return getChildComponentName(child) === "ProjectionLine"; } function normalizeProjectionData( data: ProjectionPoint[] | undefined ): ProjectionPoint[] { if (!data?.length) { return []; } return data.map((point) => ({ date: point.date instanceof Date ? point.date : new Date(point.date), value: point.value, })); } /** Collect {@link ProjectionLine} props from chart children for domain extension. */ export function extractProjectionLineConfigs( children: ReactNode ): ProjectionLineConfig[] { const configs: ProjectionLineConfig[] = []; const visit = (node: ReactNode) => { Children.forEach(node, (child) => { if (!isValidElement(child)) { return; } if (child.type === Fragment) { visit((child.props as { children?: ReactNode }).children); return; } if (isProjectionLineElement(child)) { const props = child.props as ProjectionLineConfigProps | undefined; const data = normalizeProjectionData(props?.data); if (data.length >= 2) { configs.push({ yAxisId: normalizeYAxisId(props?.yAxisId), data, }); } return; } if (isChartClipPassthrough(child.type)) { visit((child.props as { children?: ReactNode }).children); return; } const childProps = child.props as { children?: ReactNode } | undefined; if (childProps?.children) { visit(childProps.children); } }); }; visit(children); return configs; } export function mergeProjectionYDomain( domain: [number, number], configs: ProjectionLineConfig[], yAxisId: string ): [number, number] { const paths = configs .filter((config) => config.yAxisId === yAxisId) .map((config) => config.data); const extents = projectionValueExtents(paths); if (!extents) { return domain; } const [min, max] = domain; const nextMin = Math.min(min, extents.minValue); const nextMax = Math.max(max, extents.maxValue); if (nextMin >= 0 && min >= 0) { return [0, nextMax <= 0 ? 100 : nextMax * 1.1]; } const padding = (nextMax - nextMin) * 0.05 || 1; return [nextMin - padding, nextMax + padding]; } export function mergeProjectionXDomainMax( maxTime: number, configs: ProjectionLineConfig[] ): number { const paths = configs.map((config) => config.data); const extents = projectionDateExtents(paths); if (!extents) { return maxTime; } return Math.max(maxTime, extents.maxTime); } 53:T28a0,export type ProjectionMode = "auto" | "target" | "manual"; export type ProjectionAutoMethod = "linearRegression" | "lastSegment"; /** How the projection segment is drawn between anchor and horizon. */ export type ProjectionCurveKind = "linear" | "bezier"; /** @deprecated Stepped density removed — projections always anchor → horizon. */ export type ProjectionPathDensity = "stepped" | "endpoints"; export interface ProjectionPoint { date: Date; value: number; } export interface BuildProjectionPathOptions { sourceData: Record[]; seriesKey: string; xDataKey?: string; mode: ProjectionMode; autoMethod?: ProjectionAutoMethod; /** Auto mode: stepped points per interval, or anchor + end only. Default: stepped */ pathDensity?: ProjectionPathDensity; /** Index in sourceData where projection anchors (default: last point). */ startIndex?: number; /** How many future points to generate (matches source cadence). */ horizonPoints?: number; /** Target Y at the final projected date (target mode). */ endValue?: number; /** Full manual path — anchor + future points (manual mode). */ points?: ProjectionPoint[]; } function readDate(row: Record, xDataKey: string): Date | null { const raw = row[xDataKey]; if (raw instanceof Date && !Number.isNaN(raw.getTime())) { return raw; } if (typeof raw === "number" && Number.isFinite(raw)) { const date = new Date(raw); return Number.isNaN(date.getTime()) ? null : date; } if (typeof raw === "string") { const date = new Date(raw); return Number.isNaN(date.getTime()) ? null : date; } return null; } function readValue( row: Record, seriesKey: string ): number | null { const raw = row[seriesKey]; return typeof raw === "number" && Number.isFinite(raw) ? raw : null; } function resolveStartIndex( sourceData: Record[], startIndex: number | undefined ): number { if (startIndex == null || !Number.isFinite(startIndex)) { return Math.max(0, sourceData.length - 1); } return Math.min(Math.max(0, Math.floor(startIndex)), sourceData.length - 1); } function intervalFromAdjacentRows( sourceData: Record[], xDataKey: string, startIndex: number ): number | null { if (startIndex < 1) { return null; } const prevRow = sourceData[startIndex - 1]; const currentRow = sourceData[startIndex]; const prev = prevRow ? readDate(prevRow, xDataKey) : null; const current = currentRow ? readDate(currentRow, xDataKey) : null; if (!(prev && current)) { return null; } const delta = current.getTime() - prev.getTime(); return delta > 0 ? delta : null; } function intervalFromSeriesSpan( sourceData: Record[], xDataKey: string ): number | null { if (sourceData.length < 2) { return null; } const firstRow = sourceData[0]; const lastRow = sourceData.at(-1); const first = firstRow ? readDate(firstRow, xDataKey) : null; const last = lastRow ? readDate(lastRow, xDataKey) : null; if (!(first && last)) { return null; } const span = last.getTime() - first.getTime(); return span > 0 ? span / (sourceData.length - 1) : null; } function resolveIntervalMs( sourceData: Record[], xDataKey: string, startIndex: number ): number { return ( intervalFromAdjacentRows(sourceData, xDataKey, startIndex) ?? intervalFromSeriesSpan(sourceData, xDataKey) ?? 86_400_000 ); } function linearRegressionSlope(points: { t: number; y: number }[]): number { if (points.length < 2) { return 0; } const n = points.length; let sumT = 0; let sumY = 0; let sumTY = 0; let sumTT = 0; for (const { t, y } of points) { sumT += t; sumY += y; sumTY += t * y; sumTT += t * t; } const denom = n * sumTT - sumT * sumT; if (Math.abs(denom) < 1e-12) { return 0; } return (n * sumTY - sumT * sumY) / denom; } function buildAutoFutureValues(options: { anchorTime: number; anchorValue: number; autoMethod: ProjectionAutoMethod; historyPoints: { t: number; y: number }[]; horizonPoints: number; intervalMs: number; pathDensity: ProjectionPathDensity; }): ProjectionPoint[] { const { anchorTime, anchorValue, autoMethod, historyPoints, horizonPoints, intervalMs, pathDensity, } = options; const slope = autoMethod === "lastSegment" && historyPoints.length >= 2 ? (() => { const prev = historyPoints.at(-2); const last = historyPoints.at(-1); if (!(prev && last)) { return 0; } const dt = last.t - prev.t; return dt === 0 ? 0 : (last.y - prev.y) / dt; })() : linearRegressionSlope(historyPoints); if (pathDensity === "endpoints") { const endTime = anchorTime + intervalMs * horizonPoints; const endValue = anchorValue + slope * intervalMs * horizonPoints; return [ { date: new Date(anchorTime), value: anchorValue }, { date: new Date(endTime), value: endValue }, ]; } const result: ProjectionPoint[] = [ { date: new Date(anchorTime), value: anchorValue }, ]; for (let i = 1; i <= horizonPoints; i++) { const t = anchorTime + intervalMs * i; const value = anchorValue + slope * intervalMs * i; result.push({ date: new Date(t), value }); } return result; } /** Slope (value change per ms) at the projection anchor from the last data segment. */ export function computeProjectionAnchorTangentSlope( sourceData: Record[], seriesKey: string, xDataKey = "date", startIndexProp?: number ): number { if (sourceData.length < 2) { return 0; } const startIndex = resolveStartIndex(sourceData, startIndexProp); const historyPoints: { t: number; y: number }[] = []; for (let i = 0; i <= startIndex; i++) { const row = sourceData[i]; if (!row) { continue; } const date = readDate(row, xDataKey); const value = readValue(row, seriesKey); if (date && value != null) { historyPoints.push({ t: date.getTime(), y: value }); } } if (historyPoints.length < 2) { return 0; } const prev = historyPoints.at(-2); const last = historyPoints.at(-1); if (!(prev && last)) { return 0; } const dt = last.t - prev.t; return dt === 0 ? 0 : (last.y - prev.y) / dt; } /** Cubic bezier with horizontal tangents at start and end (price-target S-curve). */ export function buildHorizontalTangentBezierPath( x0: number, y0: number, x1: number, y1: number, /** How far control points sit along the x span (0–0.5). Default: 0.45 */ tension = 0.45 ): string { const dx = x1 - x0; if (Math.abs(dx) < 1e-6) { return `M ${x0},${y0} L ${x1},${y1}`; } const t = Math.min(0.5, Math.max(0.05, tension)); const c1x = x0 + dx * t; const c2x = x1 - dx * t; return `M ${x0},${y0} C ${c1x},${y0} ${c2x},${y1} ${x1},${y1}`; } function buildTargetPath(options: { anchorTime: number; anchorValue: number; endValue: number; horizonPoints: number; intervalMs: number; }): ProjectionPoint[] { const { anchorTime, anchorValue, endValue, horizonPoints, intervalMs } = options; const endTime = anchorTime + intervalMs * horizonPoints; return [ { date: new Date(anchorTime), value: anchorValue }, { date: new Date(endTime), value: endValue }, ]; } /** Build a projection path from historical chart data or explicit points. */ export function buildProjectionPath( options: BuildProjectionPathOptions ): ProjectionPoint[] { const { sourceData, seriesKey, xDataKey = "date", mode, autoMethod = "linearRegression", pathDensity = "endpoints", startIndex: startIndexProp, horizonPoints = 6, endValue, points, } = options; if (mode === "manual" && points && points.length >= 2) { return points.map((point) => ({ date: new Date(point.date), value: point.value, })); } if (sourceData.length === 0) { return []; } const startIndex = resolveStartIndex(sourceData, startIndexProp); const anchorRow = sourceData[startIndex]; if (!anchorRow) { return []; } const anchorDate = readDate(anchorRow, xDataKey); const anchorValue = readValue(anchorRow, seriesKey); if (!anchorDate || anchorValue == null) { return []; } const intervalMs = resolveIntervalMs(sourceData, xDataKey, startIndex); const anchorTime = anchorDate.getTime(); const historyPoints: { t: number; y: number }[] = []; for (let i = 0; i <= startIndex; i++) { const row = sourceData[i]; if (!row) { continue; } const date = readDate(row, xDataKey); const value = readValue(row, seriesKey); if (date && value != null) { historyPoints.push({ t: date.getTime(), y: value }); } } if (mode === "target" && endValue != null && Number.isFinite(endValue)) { return buildTargetPath({ anchorTime, anchorValue, endValue, horizonPoints, intervalMs, }); } return buildAutoFutureValues({ anchorTime, anchorValue, autoMethod, historyPoints, horizonPoints, intervalMs, pathDensity, }); } /** Collect numeric Y extents from projection point arrays. */ export function projectionValueExtents( paths: ProjectionPoint[][] ): { minValue: number; maxValue: number } | null { let minValue = Number.POSITIVE_INFINITY; let maxValue = Number.NEGATIVE_INFINITY; for (const path of paths) { for (const point of path) { if (point.value < minValue) { minValue = point.value; } if (point.value > maxValue) { maxValue = point.value; } } } if (minValue === Number.POSITIVE_INFINITY) { return null; } return { minValue, maxValue }; } /** Collect date extents from projection point arrays. */ export function projectionDateExtents( paths: ProjectionPoint[][] ): { minTime: number; maxTime: number } | null { let minTime = Number.POSITIVE_INFINITY; let maxTime = Number.NEGATIVE_INFINITY; for (const path of paths) { for (const point of path) { const time = point.date.getTime(); if (time < minTime) { minTime = time; } if (time > maxTime) { maxTime = time; } } } if (minTime === Number.POSITIVE_INFINITY) { return null; } return { minTime, maxTime }; } 54:Td75,import { Children, cloneElement, Fragment, isValidElement, type ReactElement, type ReactNode, } from "react"; /** Marker on wrapper components whose single child should inherit clip classification. */ export const CHART_CLIP_PASSTHROUGH = "__chartClipPassthrough" as const; export function isChartClipPassthrough(type: unknown): boolean { return ( typeof type === "function" && (type as { [CHART_CLIP_PASSTHROUGH]?: boolean })[CHART_CLIP_PASSTHROUGH] === true ); } /** Unwrap visibility wrappers so `Grid` / axes stay outside the series clip. */ export function resolveChartChildElement(child: ReactElement): ReactElement { if (isChartClipPassthrough(child.type)) { const inner = (child.props as { children?: unknown }).children; if (isValidElement(inner)) { return resolveChartChildElement(inner); } } return child; } /** Walk chart children, flattening React fragments (studio often groups layers in `<>...`). */ export function forEachChartChild( children: ReactNode, callback: (child: ReactElement, index: number) => void ) { let index = 0; const visit = (nodes: ReactNode) => { Children.forEach(nodes, (child) => { if (!isValidElement(child)) { return; } if (child.type === Fragment) { visit((child.props as { children?: ReactNode }).children); return; } callback(child, index); index += 1; }); }; visit(children); } const CLIP_EXCLUDED_COMPONENT_NAMES = new Set([ "Background", "Grid", "XAxis", "YAxis", "BarXAxis", "BarYAxis", "LiveXAxis", "LiveYAxis", ]); const UNDERLAY_COMPONENT_NAMES = new Set(["ReferenceArea", "BarColumnTrack"]); /** Markers render after the interaction overlay so they stay clickable. */ export function isPostOverlayComponent(child: ReactElement): boolean { const childType = child.type as { displayName?: string; name?: string; __isChartMarkers?: boolean; __isPostOverlay?: boolean; }; if (childType.__isChartMarkers || childType.__isPostOverlay) { return true; } const componentName = typeof child.type === "function" ? childType.displayName || childType.name || "" : ""; return ( componentName === "ChartMarkers" || componentName === "MarkerGroup" || componentName === "ChartBrush" ); } /** Renders above grid/axes but below series; excluded from grow-clip reveal. */ export function isUnderlayComponent(child: ReactElement): boolean { const childType = child.type as { displayName?: string; name?: string }; const componentName = typeof child.type === "function" ? childType.displayName || childType.name || "" : ""; return UNDERLAY_COMPONENT_NAMES.has(componentName); } /** Grid and axes stay visible during series clip reveal (e.g. loading → ready). */ export function isClipExcludedComponent(child: ReactElement): boolean { const childType = child.type as { displayName?: string; name?: string }; const componentName = typeof child.type === "function" ? childType.displayName || childType.name || "" : ""; return CLIP_EXCLUDED_COMPONENT_NAMES.has(componentName); } /** SVG layer lists from chart shells need stable keys when rendered as arrays. */ export function renderKeyedChartLayers(children: ReactElement[]) { return children.map((child, index) => cloneElement(child, { key: child.key ?? `chart-layer-${index}` }) ); } 55:T656,export function computeSeriesBarWidth(input: { innerWidth: number; dataLength: number; columnWidth: number; seriesCount: number; composedBarSize?: number; composedMaxBarSize?: number; composedBarGap?: number; stacked?: boolean; }): number { const { innerWidth, dataLength, columnWidth, seriesCount, composedBarSize, composedMaxBarSize, composedBarGap = 4, stacked = false, } = input; const gap = composedBarGap; const groupCount = stacked ? 1 : Math.max(1, seriesCount); let slot = columnWidth; if (slot <= 0) { slot = dataLength < 2 ? innerWidth : innerWidth / (dataLength - 1); } let width = composedBarSize ?? Math.min(slot * 0.88, composedMaxBarSize ?? Number.POSITIVE_INFINITY); if (composedMaxBarSize != null) { width = Math.min(width, composedMaxBarSize); } if (groupCount > 1) { const maxGroup = slot * 0.92; const needed = groupCount * width + (groupCount - 1) * gap; if (needed > maxGroup && maxGroup > 0) { width = Math.max(4, (maxGroup - (groupCount - 1) * gap) / groupCount); } } return Math.max(2, width); } /** Half-width of the bar group at each x — used to pad reveal clips. */ export function computeSeriesBarRevealClipPadding(input: { barWidth: number; seriesCount: number; gap?: number; stacked?: boolean; }): number { const { barWidth, seriesCount, gap = 4, stacked = false } = input; if (stacked || seriesCount <= 1) { return Math.ceil(barWidth / 2); } const groupWidth = seriesCount * barWidth + (seriesCount - 1) * gap; return Math.ceil(groupWidth / 2); } 56:T2f8e,"use client"; import { curveMonotoneX } from "@visx/curve"; import { AreaClosed, LinePath } from "@visx/shape"; // CurveFactory type - simplified version compatible with visx // biome-ignore lint/suspicious/noExplicitAny: d3 curve factory type type CurveFactory = any; import { useCallback, useId, useMemo, useRef, useState } from "react"; import { AreaGradientDefs } from "./area-gradient-defs"; import { chartCssVars, useChartStable, useYScale } from "./chart-context"; import type { ChartPhase, LoadingStyle } from "./chart-phase"; import { type FadeEdges, resolveFadeSides } from "./fade-edges"; import { type LineLoadingPulseMode, LineLoadingPulseStroke, resolveLineLoadingPulseMode, } from "./line-loading-pulse"; import { LINE_LOADING_LOOP_PAUSE_MS } from "./line-loading-timing"; import { LineLoadingSweep } from "./loading-sweep"; import { resolveDashTailBounds, usePathStrokeMetrics, } from "./path-stroke-utils"; import { SeriesDashTailOverlay } from "./series-dash-tail-overlay"; import { SeriesHighlightLayer } from "./series-highlight-layer"; import { SeriesHoverDim } from "./series-hover-dim"; import { SeriesMarkers } from "./series-markers"; import type { SeriesPointMarkerStyle } from "./series-point-marker"; export interface AreaProps { /** Key in data to use for y values */ dataKey: string; /** Y-scale group id (Recharts `yAxisId`). Default: `"left"`. */ yAxisId?: string | number; /** Fill color for the area gradient start. Default: var(--chart-line-primary) */ fill?: string; /** Fill opacity at the top of the area. Default: 0.4 */ fillOpacity?: number; /** Stroke color for the line. Default: same as fill */ stroke?: string; /** Stroke width. Default: 2 */ strokeWidth?: number; /** Curve function. Default: curveMonotoneX */ curve?: CurveFactory; /** Whether to animate the area. Default: true */ animate?: boolean; /** Whether to show the stroke line. Default: true */ showLine?: boolean; /** Whether to show highlight segment on hover. Default: true */ showHighlight?: boolean; /** Gradient opacity at bottom (0 = fully transparent). Default: 0 */ gradientToOpacity?: number; /** * Vertical extent of the fill gradient (0–1). `1` fades across the full * height; lower values compress the gradient toward the top. */ gradientSpan?: number; /** * Fade the area fill (and stroke) toward transparent at the chart edges. * - `true` fades both edges, `false` disables the fade entirely. * - `"left"` / `"right"` fades only that side — useful when the opposite * edge butts up against another element you don't want to fade into. * Default: false */ fadeEdges?: FadeEdges; /** Render scatter-style circle markers at each data point. Default: false */ showMarkers?: boolean; /** Marker styling (same options as Scatter). */ markers?: SeriesPointMarkerStyle; /** * Data index from which the line stroke becomes dashed (inclusive). * Useful for projecting incomplete periods, e.g. dashed from yesterday through today. */ dashFromIndex?: number; /** Dash pattern for the tail segment when `dashFromIndex` is set. Default: "6,4" */ dashArray?: string; /** Pulse stroke color while chart is loading. Default: var(--foreground) */ loadingStroke?: string; /** Pulse stroke opacity while chart is loading. Default: 0.5 */ loadingStrokeOpacity?: number; /** * Show the loading pulse overlay. Default: follows chart loading phase. * Set `false` to disable even during loading. */ loading?: boolean; /** Override pulse animation mode (loop / exit / enter). */ loadingPulseMode?: LineLoadingPulseMode; /** * Loading animation while the chart is in loading status: the default * traveling `"pulse"`, or a diagonal `"sweep"` shimmer across the skeleton * area. Default: `"pulse"`. */ loadingStyle?: LoadingStyle; } function useAreaLoadingPulseState( chartPhase: ChartPhase, loading: boolean | undefined, loadingPulseMode: LineLoadingPulseMode | undefined, notifyLoadingPulseComplete?: () => void ) { const phasePulseMode = resolveLineLoadingPulseMode(chartPhase); const pulseMode = loading === false ? null : (loadingPulseMode ?? (loading === true ? "loop" : phasePulseMode)); const showLoadingPulse = pulseMode != null; const showSeriesContent = chartPhase === "revealing" || chartPhase === "ready" || chartPhase === "exitingReady"; const [pulseEpoch, setPulseEpoch] = useState(0); const handleLoadingPulseComplete = useCallback(() => { if (pulseMode === "loop") { window.setTimeout(() => { setPulseEpoch((epoch) => epoch + 1); }, LINE_LOADING_LOOP_PAUSE_MS); return; } notifyLoadingPulseComplete?.(); }, [notifyLoadingPulseComplete, pulseMode]); return { handleLoadingPulseComplete, pulseMode, pulseEpoch, showLoadingPulse, showSeriesContent, }; } // biome-ignore lint/complexity/noExcessiveCognitiveComplexity: mirrors Line series layout (fill, stroke, dash, markers, pulse) export function Area({ dataKey, yAxisId, fill = chartCssVars.linePrimary, fillOpacity = 0.4, stroke, strokeWidth = 2, curve = curveMonotoneX, animate = true, showLine = true, showHighlight = true, gradientToOpacity = 0, gradientSpan = 1, fadeEdges = false, showMarkers = false, markers, dashFromIndex, dashArray = "6,4", loading, loadingStroke = chartCssVars.foreground, loadingStrokeOpacity = 0.5, loadingPulseMode, loadingStyle = "pulse", }: AreaProps) { // Stable slice only: hover state lives inside `` and // `` so this component (and its expensive // child) does not re-render on cursor motion. // The reveal-clip is now a single shared clipPath at the chart-shell // level (`time-series-chart-shell.tsx`); we no longer render a per-area // `` or read `revealEpoch` here. const { data, renderData, xScale, innerHeight, innerWidth, xAccessor, lines, chartPhase, notifyLoadingPulseComplete, } = useChartStable(); const yScale = useYScale(yAxisId); const { handleLoadingPulseComplete, pulseMode, pulseEpoch, showLoadingPulse, showSeriesContent, } = useAreaLoadingPulseState( chartPhase, loading, loadingPulseMode, notifyLoadingPulseComplete ); const seriesIndex = useMemo(() => { const index = lines.findIndex((line) => line.dataKey === dataKey); return index >= 0 ? index : 0; }, [lines, dataKey]); const pathRef = useRef(null); const { pathLength, pathD } = usePathStrokeMetrics(pathRef, [ renderData, innerWidth, dashFromIndex, showLine, showSeriesContent, showLoadingPulse, ]); // Unique IDs for this area const uniqueId = useId(); const gradientId = `area-gradient-${dataKey}-${uniqueId}`; const strokeGradientId = `area-stroke-gradient-${dataKey}-${uniqueId}`; const edgeMaskId = `area-edge-mask-${dataKey}-${uniqueId}`; const edgeGradientId = `${edgeMaskId}-gradient`; const isPatternFill = fill.startsWith("url("); const showAreaFill = isPatternFill || fillOpacity > 0; const areaFill = isPatternFill ? fill : `url(#${gradientId})`; // Resolved stroke color (defaults to fill; pattern URLs need a real color) const resolvedStroke = stroke || (isPatternFill ? chartCssVars.linePrimary : fill); const getY = useCallback( (d: Record) => { const value = d[dataKey]; return typeof value === "number" ? (yScale(value) ?? 0) : 0; }, [dataKey, yScale] ); const hasDashTail = resolveDashTailBounds(dashFromIndex, data.length); // The stroke gradient is only emitted when at least one edge fades, so fall // back to the resolved solid color otherwise — avoids an invalid url(#...). const fadeSides = resolveFadeSides(fadeEdges); const useViewportEdgeFade = fadeSides.any && !isPatternFill; let strokePaint = resolvedStroke; if (!useViewportEdgeFade && fadeSides.any) { strokePaint = `url(#${strokeGradientId})`; } const highlightEnabled = showHighlight && showLine && !showLoadingPulse && showSeriesContent; const showSeriesStroke = showSeriesContent && showLine; let visibleStroke = "transparent"; if (showSeriesStroke && !hasDashTail) { visibleStroke = strokePaint; } const shouldMeasurePath = showLine && (showSeriesContent || showLoadingPulse); const seriesLayers = ( <> {showSeriesContent && showAreaFill ? ( xScale(xAccessor(d)) ?? 0} y={getY} yScale={yScale} /> ) : null} {shouldMeasurePath ? ( <> xScale(xAccessor(d)) ?? 0} y={getY} /> {showSeriesStroke ? ( ) : null} ) : null} ); // Sweep style owns all loading modes (loop + the exit/enter transitions), // drawing its own silhouette; the pulse covers the default style. const sweepLoading = showLoadingPulse && innerWidth > 0 && loadingStyle === "sweep"; const pulseLoading = showLoadingPulse && innerWidth > 0 && !sweepLoading; return ( <> {useViewportEdgeFade ? ( {seriesLayers} ) : ( seriesLayers )} {/* Highlight segment on hover — isolated hover subscriber. */} {showMarkers && showSeriesContent ? ( ) : null} {sweepLoading ? ( ) : null} {pulseLoading && pathD ? ( ) : null} ); } Area.displayName = "Area"; export default Area; 57:Te2a,"use client"; import { curveNatural } from "@visx/curve"; import { useMemo } from "react"; import { Area } from "./area"; import { AreaChart } from "./area-chart"; import type { Margin } from "./chart-context"; import type { LoadingStyle } from "./chart-phase"; import { DEFAULT_SKELETON_DATA_KEY, DEFAULT_SKELETON_POINT_COUNT, generateChartSkeletonData, } from "./generate-chart-skeleton-data"; import { Grid } from "./grid"; const LOADING_DATA_KEY = DEFAULT_SKELETON_DATA_KEY; const DEFAULT_LOADING_STROKE = "var(--foreground)"; const DEFAULT_LOADING_GRID_STROKE = "color-mix(in oklch, var(--chart-grid) 50%, transparent)"; const DEFAULT_LOADING_GRID_SHIMMER_STROKE = "color-mix(in oklch, var(--foreground) 68%, transparent)"; const DEFAULT_LOADING_STROKE_OPACITY = 0.5; export interface AreaChartLoadingProps { /** Chart margins */ margin?: Partial; /** Stroke color for the animated loading segment. */ stroke?: string; /** Stroke opacity for the animated loading segment. Default: 0.5 */ strokeOpacity?: number; /** Grid line stroke (color and opacity via color-mix or oklch alpha). */ gridStroke?: string; /** Shimmer band stroke (color and opacity via color-mix or oklch alpha). */ gridShimmerStroke?: string; /** Animate a shimmer band across grid lines. Default: true */ gridShimmer?: boolean; /** Shimmer band width in pixels. Default: 140 */ gridShimmerLength?: number; /** Shimmer speed multiplier (higher = faster). Default: 1 */ gridShimmerSpeed?: number; /** Match shimmer loop to the loading line pulse (cycle + inter-loop pause). */ gridShimmerSync?: boolean; /** Loading animation: `"pulse"` (default traveling pulse) or `"sweep"` (a * diagonal shimmer across the skeleton area). Default: `"pulse"`. */ loadingStyle?: LoadingStyle; /** Centered shimmer label text. Default: "Loading" */ label?: string; /** Aspect ratio as "width / height". Default: "2 / 1" */ aspectRatio?: string; /** Additional class name for the container */ className?: string; } export function AreaChartLoading({ margin, stroke = DEFAULT_LOADING_STROKE, strokeOpacity = DEFAULT_LOADING_STROKE_OPACITY, gridStroke = DEFAULT_LOADING_GRID_STROKE, gridShimmerStroke = DEFAULT_LOADING_GRID_SHIMMER_STROKE, gridShimmer = true, gridShimmerLength, gridShimmerSpeed, gridShimmerSync = false, loadingStyle = "pulse", label = "Loading", aspectRatio = "2 / 1", className = "", }: AreaChartLoadingProps) { const data = useMemo( () => generateChartSkeletonData({ dataKey: DEFAULT_SKELETON_DATA_KEY, pointCount: DEFAULT_SKELETON_POINT_COUNT, }), [] ); return ( ); } export default AreaChartLoading; 58:T1563,"use client"; import { animate, motion, useMotionValue, useTransform } from "motion/react"; import { useEffect, useId } from "react"; import { chartCssVars, useChartStable } from "./chart-context"; import type { ChartPhase } from "./chart-phase"; import { fadeGradientStops, resolveFadeSides, viewportFadeGradientAttrs, } from "./fade-edges"; import { LINE_LOADING_PULSE_CYCLE_S, LINE_LOADING_PULSE_EASE, } from "./line-loading-timing"; const CLIP_PADDING = 10; export type LineLoadingPulseMode = "loop" | "exit" | "enter"; export function resolveLineLoadingPulseMode( phase: ChartPhase ): LineLoadingPulseMode | null { switch (phase) { case "loading": return "loop"; case "exiting": return "exit"; case "revealingLoading": return "enter"; default: return null; } } export interface LineLoadingPulseStrokeProps { pathD: string; mode?: LineLoadingPulseMode; /** Bumps to restart loop cycles without remounting the stroke. */ loopEpoch?: number; stroke?: string; /** Stroke opacity for the animated segment. Default: 0.5 */ strokeOpacity?: number; strokeWidth?: number; onCycleComplete?: () => void; } function useGrowExitClip( innerWidth: number, mode: LineLoadingPulseMode, loopEpoch: number, onComplete?: () => void ) { const progress = useMotionValue(0); const paddedFullWidth = innerWidth + CLIP_PADDING * 2; const rightEdge = innerWidth + CLIP_PADDING; const clipWidth = useTransform(progress, (p) => { if (p <= 0.5) { return (p / 0.5) * paddedFullWidth; } const shrink = (p - 0.5) / 0.5; return (1 - shrink) * paddedFullWidth; }); const clipX = useTransform(progress, (p) => { if (p <= 0.5) { return -CLIP_PADDING; } const shrink = (p - 0.5) / 0.5; return rightEdge - (1 - shrink) * paddedFullWidth; }); // biome-ignore lint/correctness/useExhaustiveDependencies: loopEpoch restarts pulse when orchestrator advances useEffect(() => { if (innerWidth <= 0) { return; } const halfCycleS = LINE_LOADING_PULSE_CYCLE_S / 2; let cancelled = false; let controls: ReturnType | undefined; const finish = () => { if (!cancelled) { onComplete?.(); } }; const runShrink = (from: number) => { const shrinkDuration = halfCycleS * ((1 - from) / 0.5); controls = animate(progress, 1, { duration: Math.max(shrinkDuration, 0.01), ease: [...LINE_LOADING_PULSE_EASE], onComplete: finish, }); }; if (mode === "loop") { progress.set(0); controls = animate(progress, 1, { duration: LINE_LOADING_PULSE_CYCLE_S, ease: [...LINE_LOADING_PULSE_EASE], onComplete: finish, }); return () => { cancelled = true; controls?.stop(); }; } if (mode === "exit") { const current = progress.get(); if (current < 0.5) { const growDuration = halfCycleS * ((0.5 - current) / 0.5); controls = animate(progress, 0.5, { duration: Math.max(growDuration, 0.01), ease: [...LINE_LOADING_PULSE_EASE], onComplete: () => { if (!cancelled) { runShrink(0.5); } }, }); } else { runShrink(current); } return () => { cancelled = true; controls?.stop(); }; } if (mode === "enter") { progress.set(0); controls = animate(progress, 0.5, { duration: halfCycleS, ease: [...LINE_LOADING_PULSE_EASE], onComplete: finish, }); return () => { cancelled = true; controls?.stop(); }; } }, [innerWidth, loopEpoch, mode, onComplete, progress]); return { clipX, clipWidth }; } export function LineLoadingPulseStroke({ pathD, mode = "loop", loopEpoch = 0, stroke = chartCssVars.foreground, strokeOpacity = 0.5, strokeWidth = 2.5, onCycleComplete, }: LineLoadingPulseStrokeProps) { const { innerWidth, innerHeight } = useChartStable(); const reactId = useId(); const clipPathId = `line-loading-clip-${reactId}`; const gradientId = `line-loading-gradient-${reactId}`; const fadeStops = fadeGradientStops(resolveFadeSides(true)); const clipHeight = innerHeight + CLIP_PADDING * 2; const { clipX, clipWidth } = useGrowExitClip( innerWidth, mode, loopEpoch, onCycleComplete ); if (innerWidth <= 0) { return null; } return ( <> {fadeStops.map((stop) => ( ))} ); } LineLoadingPulseStroke.displayName = "LineLoadingPulseStroke"; export default LineLoadingPulseStroke; 59:T3759,"use client"; import { scaleLinear } from "@visx/scale"; import { AreaClosed, LinePath } from "@visx/shape"; import { motion, useReducedMotion } from "motion/react"; import { useCallback, useEffect, useId, useMemo, useRef, useState, } from "react"; import { chartCssVars, useChartStable } from "./chart-context"; import { LINE_LOADING_PULSE_EASE, LOADING_LABEL_EXIT_S, } from "./line-loading-timing"; /** * Shared "sweep" loading visuals. A soft diagonal shimmer band travels across a * self-contained skeleton silhouette on a loop, painted via an SVG mask. The * silhouette re-randomizes between passes (held steady during a pass, re-rolled * once the band clears the right edge) so it reads as live and still loading, * without warping mid-sweep. Used as the `loadingStyle="sweep"` alternative to * the traveling pulse on `` and ``, and as the skeleton for * ``. */ // CurveFactory type - simplified version compatible with visx // biome-ignore lint/suspicious/noExplicitAny: d3 curve factory type type CurveFactory = any; /** One shimmer sweep, in seconds. */ const DEFAULT_SWEEP_DURATION_S = 2; /** Sweep travel in objectBoundingBox space: off the left edge to off the right. */ const SWEEP_START_X = -1; const SWEEP_END_X = 2; /** Diagonal tilt of the shimmer band, in degrees. */ const SWEEP_ANGLE_DEG = 25; const HEIGHT_MIN_PCT = 20; const HEIGHT_MAX_PCT = 80; const DEFAULT_POINT_COUNT = 14; const BAR_CORNER_RADIUS = 2; const DEFAULT_BAR_COUNT = 12; const DEFAULT_FILL = "var(--foreground)"; const DEFAULT_BAR_FILL_OPACITY = 0.45; const LINE_STROKE_OPACITY = 0.55; const AREA_FILL_TOP_OPACITY = 0.18; const AREA_FILL_BOTTOM_OPACITY = 0.02; /** Bar width as a fraction of its band (the rest is the inter-bar gap). */ const DEFAULT_BAR_FRACTION = 0.7; // ─── Pure, SSR-safe helpers ────────────────────────────────────────────── // Heights come from a deterministic hash of (index, seed), never // `Math.random()`, so the first server render and first client render agree // (no Next.js hydration mismatch). Re-randomizing only bumps the numeric seed // on the client, after a sweep completes. /** Cheap deterministic hash to a fractional part in [0, 1). */ function hashFract(n: number): number { const x = Math.sin(n) * 43_758.5453; return x - Math.floor(x); } /** Deterministic heights (percentages of the available height) for a seed. */ export function getSkeletonHeights( count: number, seed = 0, min = HEIGHT_MIN_PCT, max = HEIGHT_MAX_PCT ): number[] { const range = max - min; return Array.from( { length: count }, (_, i) => min + Math.floor(hashFract((i + 1) * 12.9898 + seed) * range) ); } /** Deterministic up/down (±1) per bar for the "center" baseline. */ function getSkeletonSigns(count: number, seed = 0): number[] { return Array.from({ length: count }, (_, i) => hashFract((i + 1) * 78.233 + seed) < 0.5 ? -1 : 1 ); } /** Bell-curve opacity stops (sin squared) for the shimmer band's soft edges. */ function generateEasedGradientStops( steps = 17, minOpacity = 0.05, maxOpacity = 0.9 ) { return Array.from({ length: steps }, (_, i) => { const t = i / (steps - 1); const eased = Math.sin(t * Math.PI) ** 2; const opacity = minOpacity + eased * (maxOpacity - minOpacity); return { offset: `${(t * 100).toFixed(0)}%`, opacity: Number(opacity.toFixed(3)), }; }); } // ─── Shared mask defs (`${chartId}-mask` is the mask id) ───────────────────── function LoadingSweepMask({ chartId, width, height, durationSeconds, onSweepComplete, }: { chartId: string; width: number; height: number; durationSeconds: number; onSweepComplete: () => void; }) { const gradientStops = useMemo(() => generateEasedGradientStops(), []); const lastXRef = useRef(SWEEP_START_X); const handleUpdate = useCallback( (latest: { x?: number }) => { const xValue = typeof latest.x === "number" ? latest.x : SWEEP_START_X; // Re-roll once the band has cleared the visible area (crossed past 1), // so the silhouette never changes shape under the user's eye. if (xValue >= 1 && lastXRef.current < 1) { onSweepComplete(); } lastXRef.current = xValue; }, [onSweepComplete] ); return ( <> {gradientStops.map(({ offset, opacity }) => ( ))} ); } // ─── Line / Area loading sweep (its own re-randomizing silhouette) ─────────── export interface LineLoadingSweepProps { /** Curve factory from the host `` / ``, so the silhouette matches * the chart's interpolation (step, smooth, linear, …). */ curve: CurveFactory; /** Fill the silhouette as an area (for ``); otherwise stroke only. */ withArea?: boolean; /** Loading phase: `"loop"` (steady), `"exit"` (loading → ready), or `"enter"` * (ready → loading). Exit/enter fade the silhouette and then signal the chart * to continue its reveal. Default: `"loop"`. */ mode?: "loop" | "exit" | "enter"; /** Fired when an exit/enter transition finishes, to advance the chart phase. */ onTransitionComplete?: () => void; stroke?: string; strokeOpacity?: number; strokeWidth?: number; pointCount?: number; durationSeconds?: number; } /** * Renders a placeholder line/area silhouette (its own, not the chart's skeleton) * with the shimmer sweeping across it. The silhouette re-randomizes between * passes. Reads inner dimensions from chart context. */ export function LineLoadingSweep({ curve, withArea = false, mode = "loop", onTransitionComplete, stroke = chartCssVars.foreground, strokeOpacity = LINE_STROKE_OPACITY, strokeWidth = 2, pointCount = DEFAULT_POINT_COUNT, durationSeconds = DEFAULT_SWEEP_DURATION_S, }: LineLoadingSweepProps) { const { innerWidth, innerHeight } = useChartStable(); const reduceMotion = useReducedMotion(); const reactId = useId(); const chartId = `line-sweep-${reactId.replace(/[^a-zA-Z0-9_-]/g, "")}`; const isLoop = mode === "loop"; const [tick, setTick] = useState(0); // Re-randomize only while looping; hold the silhouette steady through a // transition so it fades out (or in) as one piece. const onSweepComplete = useCallback(() => { if (isLoop) { setTick((prev) => prev + 1); } }, [isLoop]); const heights = useMemo( () => getSkeletonHeights(pointCount, tick), [pointCount, tick] ); // With reduced motion there is no fade to await, so signal the handoff // immediately or the phase machine would stall mid-transition. useEffect(() => { if (reduceMotion && !isLoop) { onTransitionComplete?.(); } }, [reduceMotion, isLoop, onTransitionComplete]); if (innerWidth <= 0 || innerHeight <= 0 || heights.length < 2) { return null; } const xScale = scaleLinear({ domain: [0, heights.length - 1], range: [0, innerWidth], }); const yScale = scaleLinear({ domain: [0, 100], range: [innerHeight, 0] }); const points = heights.map((value, index) => ({ index, value })); const getX = (d: { index: number }) => xScale(d.index); const getY = (d: { value: number }) => yScale(d.value); const silhouette = ( <> {withArea ? ( ) : null} ); const areaGradient = withArea ? ( ) : null; if (reduceMotion) { return ( <> {areaGradient ? {areaGradient} : null} {silhouette} ); } const maskUrl = `url(#${chartId}-mask)`; const defs = ( {areaGradient} ); if (isLoop) { return ( <> {defs} {silhouette} ); } // Transition: fade the swept silhouette out (exit) or in (enter), then hand // off to the chart so it can reveal the real series. return ( <> {defs} {silhouette} ); } LineLoadingSweep.displayName = "LineLoadingSweep"; // ─── Bar loading skeleton (seeded bars under the sweep, inner coords) ───────── function SkeletonBars({ heights, signs, innerWidth, innerHeight, baseline, barFraction, fill, fillOpacity, }: { heights: number[]; signs: number[]; innerWidth: number; innerHeight: number; baseline: "bottom" | "center"; barFraction: number; fill: string; fillOpacity: number; }) { const bandWidth = innerWidth / heights.length; const barW = bandWidth * barFraction; const xOffset = (bandWidth * (1 - barFraction)) / 2; const isCenter = baseline === "center"; const baselineY = isCenter ? innerHeight / 2 : innerHeight; const halfBarH = isCenter ? innerHeight / 2 : innerHeight; return ( <> {heights.map((value, i) => { const sign = isCenter ? (signs[i] ?? 1) : 1; const barH = Math.max(1, halfBarH * (value / 100)); const x = i * bandWidth + xOffset; const y = sign === 1 ? baselineY - barH : baselineY; return ( ); })} ); } export interface BarLoadingSkeletonProps { innerWidth: number; innerHeight: number; /** Number of skeleton bars. Default: 12 */ barCount?: number; /** Bar fill color. Default: `var(--foreground)` */ fill?: string; /** Bar fill opacity. Default: 0.45 */ fillOpacity?: number; /** Bars rise from the bottom or diverge from the vertical center. Default: `"bottom"` */ baseline?: "bottom" | "center"; /** Bar width as a fraction of its band (0–1). Default: 0.7 */ barFraction?: number; /** One shimmer sweep, in seconds. Default: 2 */ durationSeconds?: number; } /** * Skeleton bars masked by the shimmer sweep, re-randomizing between passes. * Rendered in the chart's inner coordinate space (origin at the inner top-left), * so a `BarChart` drops it inside its margin-translated group. */ export function BarLoadingSkeleton({ innerWidth, innerHeight, barCount = DEFAULT_BAR_COUNT, fill = DEFAULT_FILL, fillOpacity = DEFAULT_BAR_FILL_OPACITY, baseline = "bottom", barFraction = DEFAULT_BAR_FRACTION, durationSeconds = DEFAULT_SWEEP_DURATION_S, }: BarLoadingSkeletonProps) { const reduceMotion = useReducedMotion(); const reactId = useId(); const chartId = `bar-sweep-${reactId.replace(/[^a-zA-Z0-9_-]/g, "")}`; const [tick, setTick] = useState(0); const onSweepComplete = useCallback(() => setTick((prev) => prev + 1), []); const heights = useMemo( () => getSkeletonHeights(barCount, tick), [barCount, tick] ); const signs = useMemo( () => getSkeletonSigns(barCount, tick), [barCount, tick] ); if (innerWidth <= 0 || innerHeight <= 0) { return null; } const bars = ( ); if (reduceMotion) { return bars; } return ( <> {bars} ); } BarLoadingSkeleton.displayName = "BarLoadingSkeleton"; 5a:T577,"use client"; import { motion } from "motion/react"; import { cn } from "@/lib/utils"; import { ShimmeringText } from "../components/shimmering-text"; import { LINE_LOADING_PULSE_EASE, LOADING_LABEL_EXIT_S, LOADING_LABEL_EXIT_Y_PX, } from "./line-loading-timing"; export interface ChartLoadingLabelProps { /** Label shown centered over the chart. */ text?: string; className?: string; /** Animate down, fade, and blur during loading → ready handoff. */ exiting?: boolean; } export function ChartLoadingLabel({ text = "Loading", className, exiting = false, }: ChartLoadingLabelProps) { if (!text.trim()) { return null; } return ( ); } export default ChartLoadingLabel; 5b:T516,"use client"; import { curveMonotoneX } from "@visx/curve"; import { AreaClosed } from "@visx/shape"; import { useChartStable } from "./chart-context"; // biome-ignore lint/suspicious/noExplicitAny: d3 curve factory type type CurveFactory = any; export interface PatternAreaProps { /** Key in data to use for y values */ dataKey: string; /** Fill color or pattern URL (e.g. `url(#pattern-id)`) */ fill: string; /** Curve function. 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