Beacon
A warm red live indicator with a solid, lightly polished dot, three soft expanding rings and a faint pool of light.
Knobs
Preset
#EB5549
Colour1
#EB6555
Light1
Shape1
Motion2
Texture1
Still frame
What reduced motion shows: 0.82 s.
Install
Code
components/isomer/beacon.tsx
'use client'; // Generated by isomer. Do not edit by hand; run `isomer add` again to update. (from packages/react/src/Beacon.tsx) // generated by packages/react/scripts/gen-components.mjs, do not edit import type { CSSProperties } from 'react'; import { useIsomerCanvas, type Mount } from './useIsomerCanvas'; // @ts-ignore: the runtime is plain JS with no type declarations import * as runtime from './beacon.js'; const { DEFAULTS, mount } = runtime as { DEFAULTS: BeaconKnobs; mount: Mount }; export interface BeaconKnobs { dotColor: string; ringColor: string; glow: number; dotSize: number; reach: number; ringCount: number; period: number; ease: number; grain: number; state: number; } export interface BeaconProps extends Partial<BeaconKnobs> { className?: string; style?: CSSProperties; /** Render this one frame (seconds) and run no clock. Used by the parity tests. */ time?: number; paused?: boolean; /** Draw t = 0.82 once when the user prefers reduced motion. Default true. */ respectReducedMotion?: boolean; /** Keep each frame readable after it is shown, for canvas.toDataURL or readPixels. Read at mount. Default false. */ preserveDrawingBuffer?: boolean; } export const beaconDefaults: Readonly<BeaconKnobs> = DEFAULTS; export function Beacon({ className, style, time, paused, respectReducedMotion, preserveDrawingBuffer, ...props }: BeaconProps) { const knobs = { ...DEFAULTS }; for (const k of Object.keys(DEFAULTS) as (keyof BeaconKnobs)[]) { const v = props[k]; if (v !== undefined) (knobs as Record<string, unknown>)[k] = v; } const ref = useIsomerCanvas({ mount, knobs, time, paused, respectReducedMotion, preserveDrawingBuffer, posterTime: 0.82 }); return <canvas ref={ref} className={className} style={{ display: 'block', width: '100%', height: '100%', ...style }} />; }
Parity
100.0Frame-identical
iPhone 17 Pro simulator, iOS 26.3.1 against Chromium headless + SwiftShader, 15 October 2026.