Lantern

'use client';
// Generated by isomer. Do not edit by hand; run `isomer add` again to update. (from packages/react/src/Lantern.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 './lantern.js';

const { DEFAULTS, mount } = runtime as { DEFAULTS: LanternKnobs; mount: Mount };

export interface LanternKnobs {
  accent: string;
  paper: string;
  flicker: number;
  ribs: number;
  grain: number;
  paperGlow: number;
  falloff: number;
  ambient: number;
  flameHeight: number;
  foldDepth: number;
  speed: number;
}

export interface LanternProps extends Partial<LanternKnobs> {
  className?: string;
  style?: CSSProperties;
  /** Render this one frame (seconds) and run no clock. Used by the parity tests. */
  time?: number;
  paused?: boolean;
  /** Draw t = 3.4 once while flicker is 0, and 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 lanternDefaults: Readonly<LanternKnobs> = DEFAULTS;

export function Lantern({ className, style, time, paused, respectReducedMotion, preserveDrawingBuffer, ...props }: LanternProps) {
  const knobs = { ...DEFAULTS };
  for (const k of Object.keys(DEFAULTS) as (keyof LanternKnobs)[]) {
    const v = props[k];
    if (v !== undefined) (knobs as Record<string, unknown>)[k] = v;
  }
  const ref = useIsomerCanvas({ mount, knobs, time, paused, respectReducedMotion, preserveDrawingBuffer, posterTime: 3.4, clock: knobs.flicker !== 0 });
  return <canvas ref={ref} className={className} style={{ display: 'block', width: '100%', height: '100%', ...style }} />;
}