evtjs/lib/memoryCache.js

Javascript API Bindings for the everiToken blockchain.

"use strict";

var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require("babel-runtime/helpers/createClass");

var _createClass3 = _interopRequireDefault(_createClass2);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var MemoryCache = function () {
    function MemoryCache(limit) {
        (0, _classCallCheck3.default)(this, MemoryCache);

        this.limit = limit || 200;
        this.map = {};
        this.keys = [];
    }

    (0, _createClass3.default)(MemoryCache, [{
        key: "set",
        value: function set(key, value) {
            var map = this.map;
            var keys = this.keys;

            if (!Object.prototype.hasOwnProperty.call(map, key)) {
                if (keys.length === this.limit) {
                    delete map[keys.shift()];
                }
                keys.push(key);
            }
            map[key] = value;
        }
    }, {
        key: "get",
        value: function get(key) {
            return this.map[key];
        }
    }]);
    return MemoryCache;
}();

module.exports = MemoryCache;