Source identity
| Field | Recorded value |
|---|---|
| Source type | GitHub source |
| Original record | Janady13/thatstupidcomputer / apps/web/src/animation/rive/RiveCharacter.tsx |
| Date | Not specified in source |
| Repository | Janady13/thatstupidcomputer |
| Revision | 57555cde46910102dd25d6c1c1fb2c359e9655bd |
| Branch | main |
| Path or archive member | apps/web/src/animation/rive/RiveCharacter.tsx |
| Original SHA-256 | 64edd929b404d6e29c4eb08d5e0f40a2322e1bc18d56ecfc42a1c4bb91f34585 |
| Git blob SHA | f189aa532bc4710bab4ad7286c7b40132db1c188 |
| Reading-copy SHA-256 | 64edd929b404d6e29c4eb08d5e0f40a2322e1bc18d56ecfc42a1c4bb91f34585 |
Recovered source transcript
Download complete source text ↓64 lines · 3.5 KB
'use client';
import { useEffect, useRef } from 'react';
import { useRive, Layout, Fit, Alignment, RuntimeLoader } from '@rive-app/react-webgl2';
import type { ActionName } from '../mobile/types';
import type { VerifiedRiveAsset } from './types';
import { MOBILE_ACTIONS } from '../core/contracts.mjs';
import { createPlaybackGate, type PlaybackGate } from './playback-gate.mjs';
if (typeof window !== 'undefined') {
RuntimeLoader.setWasmUrl('/animation/runtime/rive.wasm');
RuntimeLoader.setWasmFallbackUrl(null);
}
interface Props {
asset: VerifiedRiveAsset; action: ActionName; paused: boolean; replay: number;
onError: (error: unknown) => void; onReady: () => void;
}
/** Timeline playback, not an invented state machine or a fabricated data-binding API. */
export default function RiveCharacter({ asset, action, paused, replay, onError, onReady }: Props) {
const box = useRef<HTMLDivElement>(null);
const gate = useRef<PlaybackGate | null>(null);
const latest = useRef({ action, paused, replay }); latest.current = { action, paused, replay };
const callbacks = useRef({ onError, onReady }); callbacks.current = { onError, onReady };
// A version-matched WASM is copied from the installed runtime by the build script.
const { rive, RiveComponent } = useRive({
src: asset.src, artboard: asset.artboard, autoplay: false, enableRiveAssetCDN: false, shouldDisableRiveListeners: true,
layout: new Layout({ fit: Fit.Contain, alignment: Alignment.Center }),
onLoadError: event => callbacks.current.onError(event),
onStop: event => gate.current?.stopped(event.data),
}, { shouldResizeCanvasToContainer: true, useDevicePixelRatio: true });
useEffect(() => {
if (!rive || !box.current) return;
const artboard = rive.contents?.artboards?.find(item => item.name === asset.artboard);
const names = new Set(artboard?.animations ?? []);
if (!MOBILE_ACTIONS.every(name => names.has(name))) {
callbacks.current.onError(new Error(`Rive file does not satisfy the ${MOBILE_ACTIONS.length}-animation contract`)); return;
}
const media = matchMedia('(prefers-reduced-motion: reduce)');
// Wait for the initial intersection observation rather than briefly playing
// an offscreen canvas on each action change. The observer persists for the file.
const local = createPlaybackGate(rive, { ...latest.current, visible: false, hidden: document.hidden, reduced: media.matches });
gate.current = local;
const visibility = () => local.update({ hidden: document.hidden });
const preference = () => local.update({ reduced: media.matches });
const element = box.current;
const observer = new IntersectionObserver(entries => {
const entry = entries.find(entry => entry.target === element);
if (entry) local.update({ visible: entry.isIntersecting });
});
observer.observe(element);
document.addEventListener('visibilitychange', visibility);
media.addEventListener('change', preference);
callbacks.current.onReady();
return () => {
observer.disconnect();
document.removeEventListener('visibilitychange', visibility);
media.removeEventListener('change', preference);
local.dispose();
if (gate.current === local) gate.current = null;
};
}, [rive, asset.artboard]);
useEffect(() => { gate.current?.update({ action, paused, replay }); }, [rive, action, paused, replay]);
// useRive owns resize observation and native cleanup; do not call cleanup twice.
return <div ref={box} className="tsc-rive-character" aria-hidden="true"><RiveComponent /></div>;
}