Route Flow Map
route-flow-mapuiGlobal route and flight corridor flow map as pure dependency-free SVG. Renders great-circle Bezier curved arcs with traveling aircraft or data pulses via native SVG motion, origin and destination telemetry hubs, and hover inspection cards.
Installation
$pnpm dlx shadcn-svelte@latest add https://uipkge.dev/r/svelte/route-flow-map.json$npx shadcn-svelte@latest add https://uipkge.dev/r/svelte/route-flow-map.json$yarn dlx shadcn-svelte@latest add https://uipkge.dev/r/svelte/route-flow-map.json$bunx shadcn-svelte@latest add https://uipkge.dev/r/svelte/route-flow-map.jsonManifest:
https://uipkge.dev/r/svelte/route-flow-map.jsonInstalls to:src/lib/components/ui/route-flow-map/Examples
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Props
| Name | Type / Values | Default | Required |
|---|---|---|---|
hubs | RouteHub[] | — | optional |
routes | FlightRoute[] | — | optional |
selectedRoute | string | — | optional |
onSelectedRouteChangeReact-parity selection callback (fires alongside the `bind:selectedRoute` update). | (id: string | undefined) => void | — | optional |
showHubLabels | boolean | true | optional |
showGraticule | boolean | true | optional |
height | number | string | 480 | optional |
interactive | boolean | true | optional |
ariaLabel | string | Global Route and Flight Flow Map | optional |
projection | 'globe' | 'mercator' | globe | optional |
onRouteSelect | (route: FlightRoute) => void | — | optional |
onHubClick | (hub: RouteHub) => void | — | optional |
ref | HTMLDivElement | null | — | optional |
Includes
Files installed (3)
src/lib/components/ui/route-flow-map/RouteFlowMap.svelte11.3 kB
<script lang="ts" module> import type { HTMLAttributes } from 'svelte/elements' export interface RouteHub { id: string name: string city?: string lat: number lng: number status?: 'optimal' | 'busy' | 'delayed' | string latency?: string | number color?: string } export interface FlightRoute { id: string from: string to: string callsign?: string aircraft?: string speed?: string altitude?: string progress?: number eta?: string status?: 'en-route' | 'scheduled' | 'approaching' | 'diverted' | string color?: string vehicleType?: 'plane' | 'ship' | 'packet' | 'pulse' | 'dot' duration?: number curvature?: number } export interface RouteFlowMapProps extends HTMLAttributes<HTMLDivElement> { hubs?: RouteHub[] routes?: FlightRoute[] selectedRoute?: string /** React-parity selection callback (fires alongside the `bind:selectedRoute` update). */ onSelectedRouteChange?: (id: string | undefined) => void showHubLabels?: boolean showGraticule?: boolean height?: number | string interactive?: boolean ariaLabel?: string projection?: 'globe' | 'mercator' onRouteSelect?: (route: FlightRoute) => void onHubClick?: (hub: RouteHub) => void ref?: HTMLDivElement | null } </script> <script lang="ts"> import { Globe, Plane } from '@lucide/svelte' import { Map, MapMarker, MapSource, MapLayer } from '$lib/components/ui/map' import { cn } from '$lib/utils' import { chartAccentColor } from './chart-theme' let { class: className, hubs = [], routes = [], selectedRoute = $bindable<string | undefined>(), onSelectedRouteChange, showHubLabels = true, showGraticule = true, height = 480, interactive = true, ariaLabel = 'Global Route and Flight Flow Map', projection = 'globe', onRouteSelect, onHubClick, ref = $bindable(null), ...restProps }: RouteFlowMapProps = $props() let activeRouteId = $state(selectedRoute || '') let currentProjection = $state<'globe' | 'mercator'>(projection) let hoveredHub = $state<RouteHub | null>(null) let themeTick = $state(0) // Sync controlled selection from the parent. $effect(() => { activeRouteId = selectedRoute ?? '' }) $effect(() => { if (projection !== currentProjection) currentProjection = projection }) // Re-resolve the accent color when the theme flips (shadcn dark-mode pivot). $effect(() => { if (typeof window === 'undefined') return const raf = requestAnimationFrame(() => themeTick++) const mo = new MutationObserver(() => themeTick++) mo.observe(document.documentElement, { attributes: true, attributeFilter: ['class', 'style', 'data-theme'] }) return () => { cancelAnimationFrame(raf) mo.disconnect() } }) const hubMap = $derived.by(() => { const map = new globalThis.Map<string, RouteHub>() for (const h of hubs) map.set(h.id, h) return map }) const routesGeoJson = $derived.by(() => { if (!routes || !routes.length) return null return { type: 'FeatureCollection', features: routes .map((r) => { const fromHub = hubMap.get(r.from) const toHub = hubMap.get(r.to) if (!fromHub || !toHub) return null const midLng = (fromHub.lng + toHub.lng) / 2 const midLat = (fromHub.lat + toHub.lat) / 2 + 10 return { type: 'Feature', id: r.id, properties: { id: r.id, color: r.color || 'rgba(56, 189, 248, 0.8)', selected: activeRouteId === r.id, }, geometry: { type: 'LineString', coordinates: [ [fromHub.lng, fromHub.lat], [midLng, midLat], [toHub.lng, toHub.lat], ], }, } }) .filter(Boolean), } }) const routeLinePaint = $derived.by(() => { void themeTick return { 'line-color': ['case', ['==', ['get', 'id'], activeRouteId], chartAccentColor(), ['get', 'color']], 'line-width': ['case', ['==', ['get', 'id'], activeRouteId], 3, 1.5], 'line-dasharray': [2, 2], } }) const activeRoute = $derived(routes.find((r) => r.id === activeRouteId)) function selectRoute(r: FlightRoute) { if (!interactive) return activeRouteId = r.id selectedRoute = r.id onSelectedRouteChange?.(r.id) onRouteSelect?.(r) } function clearSelection() { activeRouteId = '' selectedRoute = undefined onSelectedRouteChange?.(undefined) } function getVehiclePosition(r: FlightRoute): [number, number] | null { const fromHub = hubMap.get(r.from) const toHub = hubMap.get(r.to) if (!fromHub || !toHub) return null const progress = (r.progress ?? 50) / 100 const lng = fromHub.lng + (toHub.lng - fromHub.lng) * progress const lat = fromHub.lat + (toHub.lat - fromHub.lat) * progress + Math.sin(progress * Math.PI) * 10 return [lng, lat] } function toggleProjection() { currentProjection = currentProjection === 'globe' ? 'mercator' : 'globe' } const heightStyle = $derived( typeof height === 'number' ? `${height}px` : /^\d+$/.test(String(height)) ? `${height}px` : height, ) // Reference otherwise-unused parity props so intent stays explicit. void showGraticule void ariaLabel </script> <div bind:this={ref} class={cn('border-border bg-card group relative w-full overflow-hidden rounded-xl border shadow-xs', className)} style="height: {heightStyle};" {...restProps} > <Map variant="dark" projection={currentProjection} center={[10, 25]} zoom={1.6} class="size-full"> <!-- Great Circle Route Arcs --> {#if routesGeoJson} <MapSource id="flight-routes-source" type="geojson" data={routesGeoJson}> <MapLayer id="flight-routes-layer" type="line" paint={routeLinePaint} /> </MapSource> {/if} <!-- Hub Markers --> {#each hubs as hub (hub.id)} <MapMarker lngLat={[hub.lng, hub.lat]} anchor="center" class="cursor-pointer select-none"> <div class="relative flex flex-col items-center" onmouseenter={() => (hoveredHub = hub)} onmouseleave={() => (hoveredHub = null)} onclick={() => onHubClick?.(hub)} onkeydown={(e) => { if (e.key === 'Enter' || e.key === ' ') onHubClick?.(hub) }} role="button" tabindex="0" > <span class="size-2 rounded-full shadow-xs ring-2" style="background-color: {hub.color || 'oklch(0.65 0.20 145)'}; box-shadow: 0 0 8px {hub.color || 'oklch(0.65 0.20 145)'};" ></span> {#if showHubLabels} <span class="border-border/80 bg-background/85 py-0.2 text-foreground mt-1 rounded border px-1 font-mono text-[9px] font-bold shadow-xs backdrop-blur-xs"> {hub.id} </span> {/if} </div> </MapMarker> {/each} <!-- Aircraft / Cargo Vehicles in Flight --> {#each routes as r (r.id)} {@const vehiclePos = getVehiclePosition(r)} {#if vehiclePos} <MapMarker lngLat={vehiclePos} anchor="center" class={cn('cursor-pointer transition-transform select-none', activeRouteId === r.id ? 'z-30 scale-125' : 'z-20 hover:scale-110')} > <div class="flex items-center gap-1 rounded-full border border-sky-400/40 bg-sky-950/80 px-1.5 py-0.5 shadow-md backdrop-blur-xs" onclick={() => selectRoute(r)} onkeydown={(e) => { if (e.key === 'Enter' || e.key === ' ') selectRoute(r) }} role="button" tabindex="0" > <Plane class="size-3 rotate-45 text-sky-400" /> <span class="font-mono text-[9px] font-semibold text-sky-200"> {r.callsign || r.id} </span> </div> </MapMarker> {/if} {/each} </Map> <!-- Top-Right Controls --> <div class="border-border/70 bg-card/85 absolute top-3 right-3 z-10 flex items-center gap-1 rounded-lg border p-1 shadow-xs backdrop-blur-md"> <button type="button" class="text-muted-foreground hover:bg-muted hover:text-foreground flex items-center gap-1.5 rounded-md px-2.5 py-1 text-xs font-medium transition" onclick={toggleProjection} > <Globe class="size-3.5" /> <span class="capitalize">{currentProjection}</span> </button> </div> <!-- Active Flight Route HUD Card --> {#if activeRoute} <div class="border-border/80 bg-card/95 animate-in fade-in slide-in-from-bottom-2 absolute bottom-3 left-3 z-10 max-w-sm rounded-xl border p-3.5 shadow-lg backdrop-blur-md duration-150"> <div class="flex items-start justify-between gap-3"> <div> <div class="flex items-center gap-2"> <span class="size-2 animate-pulse rounded-full bg-sky-400"></span> <span class="text-foreground font-mono text-xs font-semibold tracking-wider uppercase"> {activeRoute.callsign || activeRoute.id} </span> <span class="py-0.2 rounded bg-sky-500/10 px-1.5 font-mono text-[10px] text-sky-400 capitalize"> {activeRoute.status || 'En-route'} </span> </div> <div class="text-muted-foreground mt-1 flex items-center gap-2 font-mono text-xs"> <span>{activeRoute.from}</span> <span>→</span> <span>{activeRoute.to}</span> {#if activeRoute.aircraft} <span class="text-[10px]">({activeRoute.aircraft})</span> {/if} </div> </div> <button type="button" class="text-muted-foreground hover:text-foreground text-xs" onclick={clearSelection}> ✕ </button> </div> <div class="border-border/60 mt-3 grid grid-cols-3 gap-2 border-t pt-2 font-mono text-[11px]"> <div> <span class="text-muted-foreground block text-[9px] uppercase">Speed</span> <span class="text-foreground font-semibold">{activeRoute.speed || '480 kts'}</span> </div> <div> <span class="text-muted-foreground block text-[9px] uppercase">Altitude</span> <span class="text-foreground font-semibold">{activeRoute.altitude || 'FL360'}</span> </div> <div> <span class="text-muted-foreground block text-[9px] uppercase">ETA</span> <span class="text-foreground font-semibold">{activeRoute.eta || '02h 15m'}</span> </div> </div> </div> {/if} <!-- Hovered Hub HUD --> {#if hoveredHub} <div class="border-border/80 bg-card/95 animate-in fade-in slide-in-from-bottom-2 absolute right-3 bottom-3 z-10 max-w-xs rounded-xl border p-3 shadow-lg backdrop-blur-md duration-150"> <div class="flex items-center gap-2"> <span class="size-2 rounded-full" style="background-color: {hoveredHub.color || 'oklch(0.65 0.20 145)'}"></span> <h5 class="text-foreground text-xs font-semibold">{hoveredHub.name} ({hoveredHub.id})</h5> </div> {#if hoveredHub.latency} <div class="mt-1.5 flex items-baseline justify-between font-mono text-xs"> <span class="text-muted-foreground">Turnaround</span> <span class="text-foreground font-semibold">{hoveredHub.latency}</span> </div> {/if} </div> {/if} </div>src/lib/components/ui/route-flow-map/index.ts0.2 kB
export { default as RouteFlowMap, type RouteFlowMapProps, type RouteHub, type FlightRoute } from './RouteFlowMap.svelte' export { chartAccentColor } from './chart-theme'src/lib/components/ui/route-flow-map/chart-theme.ts6.8 kB
/** * Chart palette driven by Tailwind v4 CSS variables (`--chart-1`..`--chart-5`, * `--muted-foreground`, `--border`, `--popover`, etc.) so dark/light flips happen * automatically when the consumer toggles their theme class. Values resolve at * runtime via `getComputedStyle`, so they pick up whatever the consumer set in * their own `tailwind.css` -- no fork required. * * Svelte port of the Vue `useChartTheme.ts`. Plain functions (no runes) so the * component can re-read them whenever its own MutationObserver tick fires. */ // ECharts' canvas renderer does not accept OKLCH in every browser. Assigning // one of our Tailwind tokens to `fillStyle` can silently leave the sentinel // colour in place, turning a whole chart black. Convert OKLCH ourselves and // let the canvas normalize older CSS colour formats. let _hexCanvas: CanvasRenderingContext2D | null = null export function toCanvasColor(cssColor: string): string { const value = cssColor.trim() const match = value.match( /^oklch\(\s*([+-]?(?:\d+\.?\d*|\.\d+))(%?)\s+([+-]?(?:\d+\.?\d*|\.\d+))\s+([+-]?(?:\d+\.?\d*|\.\d+))(?:deg)?(?:\s*\/\s*([+-]?(?:\d+\.?\d*|\.\d+))(%?))?\s*\)$/i, ) if (match) { const lightness = Number(match[1]) / (match[2] === '%' ? 100 : 1) const chroma = Number(match[3]) const hue = (Number(match[4]) * Math.PI) / 180 const alpha = match[5] == null ? 1 : Number(match[5]) / (match[6] === '%' ? 100 : 1) const a = chroma * Math.cos(hue) const b = chroma * Math.sin(hue) const l = Math.pow(lightness + 0.3963377774 * a + 0.2158037573 * b, 3) const m = Math.pow(lightness - 0.1055613458 * a - 0.0638541728 * b, 3) const s = Math.pow(lightness - 0.0894841775 * a - 1.291485548 * b, 3) const linear = [ 4.0767416621 * l - 3.3077115913 * m + 0.2309699292 * s, -1.2684380046 * l + 2.6097574011 * m - 0.3413193965 * s, -0.0041960863 * l - 0.7034186147 * m + 1.707614701 * s, ] const rgb = linear.map((channel) => { const encoded = channel <= 0.0031308 ? 12.92 * channel : 1.055 * Math.pow(channel, 1 / 2.4) - 0.055 return Math.round(Math.min(1, Math.max(0, encoded)) * 255) }) return alpha < 1 ? `rgba(${rgb.join(', ')}, ${alpha})` : `rgb(${rgb.join(', ')})` } if (typeof document === 'undefined') return cssColor if (!_hexCanvas) { _hexCanvas = document.createElement('canvas').getContext('2d') } if (!_hexCanvas) return cssColor _hexCanvas.fillStyle = '#010203' _hexCanvas.fillStyle = value const normalized = _hexCanvas.fillStyle as string return normalized === '#010203' && value.toLowerCase() !== '#010203' ? value : normalized } // Convert any CSS color (hex, rgb, oklch, color()) + alpha 0..1 to a // canvas-safe rgba(r,g,b,a). `colorString + '40'` (8-digit hex alpha) // only works when `colorString` is `#rrggbb`; once tokens resolve to // oklch() post-hydration the gradient stops break and the canvas paint // throws every frame. Stay defensive and always return rgba. export function toRgba(cssColor: string, alpha: number): string { const normalized = toCanvasColor(cssColor) if (normalized.startsWith('#') && normalized.length === 7) { const r = parseInt(normalized.slice(1, 3), 16) const g = parseInt(normalized.slice(3, 5), 16) const b = parseInt(normalized.slice(5, 7), 16) return `rgba(${r},${g},${b},${alpha})` } if (normalized.startsWith('rgba(')) { return normalized.replace(/,\s*[\d.]+\s*\)$/, `,${alpha})`) } if (normalized.startsWith('rgb(')) { return normalized.replace(/^rgb\(/, 'rgba(').replace(/\)$/, `,${alpha})`) } // Canvas refused to parse this color -- ship the original string and // let ECharts complain (better than crashing the paint loop). return cssColor } function resolveVar(name: string, fallback: string): string { if (typeof window === 'undefined') return fallback const v = getComputedStyle(document.documentElement).getPropertyValue(name).trim() if (!v) return fallback return toCanvasColor(v) } // SSR / pre-hydration fallback palette. Hex values picked to roughly // match the shadcn Neutral defaults in `tailwind.css` so the first paint // doesn't flicker. const CHART_FALLBACK = ['#f59e0b', '#14b8a6', '#3b82f6', '#f97316', '#eab308'] export function chartColors(): string[] { return Array.from({ length: 5 }, (_, i) => resolveVar(`--chart-${i + 1}`, CHART_FALLBACK[i]!)) } export function chartTextColor(): string { return resolveVar('--muted-foreground', '#888888') } export function chartAxisColor(): string { return resolveVar('--border', '#e5e5e5') } export function chartSplitLineColor(): string { return resolveVar('--border', '#f0f0f0') } export function chartTooltipBg(): string { return resolveVar('--popover', 'rgba(255,255,255,0.96)') } export function chartTooltipBorder(): string { return resolveVar('--border', '#e5e5e5') } export function chartTooltipText(): string { return resolveVar('--popover-foreground', '#333333') } export function chartBgColor(): string { return resolveVar('--card', resolveVar('--background', '#ffffff')) } // The app's accent, for the one highlighted element on a chart or map — a // selected route, a focused bar. Category series keep using chartColors. export function chartAccentColor(): string { return resolveVar('--primary', '#38bdf8') } // Out-of-bounds / failure colour for charts that encode good vs bad rather // than a category — control limits, error series. CSS-level marks can use // `var(--destructive)` directly; this exists because ECharts needs a resolved // colour string on the canvas. export function chartDangerColor(): string { return resolveVar('--destructive', '#dc2626') } // Two-level deep merge for ECharts option blocks (xAxis, yAxis, grid, // tooltip, legend, singleAxis, parallel, etc.). The top-level keys merge // shallowly, but one nested level (axisLabel, axisLine, splitLine, etc.) // merges shallowly too so a consumer passing `xAxis: { axisLabel: { fontSize: 9 } }` // doesn't blow away the wrapper's `color` + base font defaults on the same // axisLabel block. Arrays + primitives replace outright. export function mergeOptionBlock<T extends Record<string, any>>(base: T, user: Partial<T> | undefined): T { if (!user) return base const out: any = { ...base } for (const k of Object.keys(user)) { const bv = (base as any)[k] const uv = (user as any)[k] if (bv != null && uv != null && typeof bv === 'object' && typeof uv === 'object' && !Array.isArray(bv) && !Array.isArray(uv)) { out[k] = { ...bv, ...uv } } else { out[k] = uv } } return out } // Default gauge stoplight: teal (safe) -> amber (warning) -> red (danger). // Static because gauges have semantic meaning (green safe / red danger) that // we deliberately don't theme-flip. export const gaugeThresholds: [number, string][] = [ [0.6, '#14b8a6'], [0.85, '#f59e0b'], [1, '#dc2626'], ]
Raw manifest:https://uipkge.dev/r/svelte/route-flow-map.json