typed-utilities/build/Memo.js

Strongly typed general purpose utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.weakMemoize = exports.memoize = void 0;

const memoize = fn => {
  const map = new Map();

  const fnMmemo = param => {
    if (map.has(param)) {
      return map.get(param);
    }

    map.set(param, fn(param));
    return fnMmemo(param);
  };

  return [fnMmemo, map];
};

exports.memoize = memoize;

const weakMemoize = fn => {
  const map = new WeakMap();

  const fnMmemo = param => {
    if (map.has(param)) {
      return map.get(param);
    }

    map.set(param, fn(param));
    return fnMmemo(param);
  };

  return [fnMmemo, map];
};

exports.weakMemoize = weakMemoize;
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