@studiometa/js-toolkit/utils/cache.js

A set of useful little bits of JavaScript to boost your project! 🚀

import { isArray } from "./is.js";
function cache(keys, callback) {
  const normalizedKeys = isArray(keys) ? keys : [keys];
  let value = globalThis.__JS_TOOLKIT_CACHE__ ??= /* @__PURE__ */ new Map();
  let index = 1;
  for (const key of normalizedKeys) {
    if (!value.has(key)) {
      const newValue = index === normalizedKeys.length ? callback() : /* @__PURE__ */ new Map();
      value.set(key, newValue);
    }
    value = value.get(key);
    index += 1;
  }
  return value;
}
export {
  cache
};
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