npm-fetch-changelog/util/memoize.js

fetch the changelog for an npm package from GitHub

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = memoize;
function memoize(fn) {
  var resolver = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function (first) {
    return String(first);
  };
  var cache = new Map();
  return function () {
    var key = resolver.apply(void 0, arguments);
    if (cache.has(key)) return cache.get(key);
    var result = fn.apply(void 0, arguments);
    cache.set(key, result);
    return result;
  };
}
module.exports = exports.default;