@snap/camera-kit/dist/common/memoize.js

Camera Kit Web

export function isMemoized(fn) {
    return typeof fn === "function" && typeof fn.delegate === "function";
}
export function memoize(delegate) {
    let memo;
    const memoized = (...args) => {
        if (typeof memo !== "undefined")
            return memo;
        memo = delegate(...args);
        return memo;
    };
    memoized.delegate = delegate;
    return memoized;
}
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