lingo3d/lib/memo/utils/computeClonePerFrame.js

Lingo3D is a React/Vue 3d game development framework that ships with a complete visual editor

import { clearCollectionEffectSystem } from "../../systems/configSystems/clearCollectionEffectSystem";
export default (cb) => {
    const cache = new Map();
    return (item) => {
        const cached = cache.get(item);
        if (cached) {
            return cached.clone();
        }
        const result = cb(item);
        cache.set(item, result.clone());
        clearCollectionEffectSystem.add(cache);
        return result.clone();
    };
};
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