react-css-transition/lib/utils/memoize.js

CSS Transition Component for React

export function memoize(cb, hasher) {
    var cache = {};
    var ret = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        var hash = hasher.apply(void 0, args);
        if (hash in cache) {
            return cache[hash];
        }
        var result = cb.apply(void 0, args);
        cache[hash] = result;
        return result;
    };
    return ret;
}
export default memoize;

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