Bearing
A toggle whose thumb is a polished steel ball rolling in a milled groove.
Knobs
Preset
#FF7A3D
#1A1A1D
Colour1
Light3
Motion1
Still frame
What reduced motion shows: 2 s.
Install
Code
components/isomer/bearing.tsx
'use client'; // Generated by isomer. Do not edit by hand; run `isomer add` again to update. (from packages/react/src/Bearing.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 './bearing.js'; const { DEFAULTS, mount } = runtime as { DEFAULTS: BearingKnobs; mount: Mount }; export interface BearingKnobs { on: number; accent: string; trackColour: string; width: number; weight: number; dampingRatio: number; polish: number; ballTint: number; trackGlow: number; wallShadow: number; } export interface BearingProps extends Partial<BearingKnobs> { className?: string; style?: CSSProperties; /** Render this one frame (seconds) and run no clock. Used by the parity tests. */ time?: number; paused?: boolean; /** The clock stops at t = 3 and holds that frame. Draw t = 3 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 bearingDefaults: Readonly<BearingKnobs> = DEFAULTS; export function Bearing({ className, style, time, paused, respectReducedMotion, preserveDrawingBuffer, ...props }: BearingProps) { const knobs = { ...DEFAULTS }; for (const k of Object.keys(DEFAULTS) as (keyof BearingKnobs)[]) { const v = props[k]; if (v !== undefined) (knobs as Record<string, unknown>)[k] = v; } const ref = useIsomerCanvas({ mount, knobs, time, paused, respectReducedMotion, preserveDrawingBuffer, posterTime: 3.0, settleAt: 3.0 }); 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.