lingo3d/lib/memo/utils/computeOnce2.js

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

import { forceGetInstance } from "@lincode/utils";
export default (cb) => {
    const cache = new WeakMap();
    return (item, item2) => {
        const cache2 = forceGetInstance(cache, item, (Map));
        if (cache2.has(item2))
            return cache2.get(item2);
        const result = cb(item, item2);
        cache2.set(item2, result);
        return result;
    };
};
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