2020-10-20 05:15:30 +00:00

21 lines
381 B
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.useMemo = useMemo;
function useMemo(cb, keyResolver) {
const cache = new Map();
return (...args) => {
const key = keyResolver(...args);
if (cache.has(key)) {
return cache.get(key);
}
const result = cb(...args);
cache.set(key, result);
return result;
};
}