react-time-ago/modules/helpers/cache.js

Localized relative date/time formatting in React

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

/**
 * A basic in-memory cache.
 *
 * import Cache from 'javascript-time-ago/Cache'
 * const cache = new Cache()
 * const object = cache.get('key1', 'key2', ...) || cache.put('key1', 'key2', ..., createObject())
 */
var Cache = /*#__PURE__*/function () {
  function Cache() {
    _classCallCheck(this, Cache);

    this.cache = {};
  }

  _createClass(Cache, [{
    key: "get",
    value: function get() {
      var cache = this.cache;

      for (var _len = arguments.length, keys = new Array(_len), _key = 0; _key < _len; _key++) {
        keys[_key] = arguments[_key];
      }

      for (var _i = 0, _keys = keys; _i < _keys.length; _i++) {
        var key = _keys[_i];

        if (_typeof(cache) !== 'object') {
          return;
        }

        cache = cache[key];
      }

      return cache;
    }
  }, {
    key: "put",
    value: function put() {
      for (var _len2 = arguments.length, keys = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        keys[_key2] = arguments[_key2];
      }

      var value = keys.pop();
      var lastKey = keys.pop();
      var cache = this.cache;

      for (var _i2 = 0, _keys2 = keys; _i2 < _keys2.length; _i2++) {
        var key = _keys2[_i2];

        if (_typeof(cache[key]) !== 'object') {
          cache[key] = {};
        }

        cache = cache[key];
      }

      return cache[lastKey] = value;
    }
  }]);

  return Cache;
}();

export { Cache as default };
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