@memori.ai/memori-react
Version:
[](https://www.npmjs.com/package/@memori.ai/memori-react)  ![TypeScript Support](https
71 lines • 2.47 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.useAvatarBlink = void 0;
const react_1 = require("react");
const DEFAULT_BLINK_CONFIG = {
minInterval: 1000,
maxInterval: 5000,
blinkDuration: 150,
};
function useAvatarBlink({ enabled, setMorphTargetInfluences, config = {} }) {
const blinkTimeoutRef = (0, react_1.useRef)();
const isBlinkingRef = (0, react_1.useRef)(false);
const lastBlinkTime = (0, react_1.useRef)(0);
const blinkConfig = {
...DEFAULT_BLINK_CONFIG,
...config
};
const blink = (0, react_1.useCallback)(() => {
if (!enabled || isBlinkingRef.current)
return;
isBlinkingRef.current = true;
setMorphTargetInfluences((prev) => ({
...prev,
eyesClosed: 1
}));
setTimeout(() => {
setMorphTargetInfluences((prev) => ({
...prev,
eyesClosed: 0
}));
isBlinkingRef.current = false;
lastBlinkTime.current = Date.now();
scheduleNextBlink();
}, blinkConfig.blinkDuration);
}, [enabled, blinkConfig.blinkDuration, setMorphTargetInfluences]);
const scheduleNextBlink = (0, react_1.useCallback)(() => {
if (blinkTimeoutRef.current) {
clearTimeout(blinkTimeoutRef.current);
}
const nextBlinkDelay = Math.random() *
(blinkConfig.maxInterval - blinkConfig.minInterval) +
blinkConfig.minInterval;
blinkTimeoutRef.current = setTimeout(blink, nextBlinkDelay);
}, [blink, blinkConfig.maxInterval, blinkConfig.minInterval]);
(0, react_1.useEffect)(() => {
if (enabled) {
scheduleNextBlink();
}
else {
if (blinkTimeoutRef.current) {
clearTimeout(blinkTimeoutRef.current);
}
setMorphTargetInfluences((prevInfluences) => ({
...prevInfluences,
eyesClosed: 0
}));
}
return () => {
if (blinkTimeoutRef.current) {
clearTimeout(blinkTimeoutRef.current);
}
};
}, [enabled, scheduleNextBlink, setMorphTargetInfluences]);
return {
isBlinking: isBlinkingRef.current,
lastBlinkTime: lastBlinkTime.current,
triggerBlink: blink
};
}
exports.useAvatarBlink = useAvatarBlink;
//# sourceMappingURL=useEyeBlink.js.map