@txdfe/at/lib/config-provider/cache.js

一个设计体系组件库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
var Cache = /*#__PURE__*/function () {
  function Cache() {
    _classCallCheck(this, Cache);
    this._root = null;
    this._store = new Map();
  }
  return _createClass(Cache, [{
    key: "empty",
    value: function empty() {
      return this._store.size === 0;
    }
  }, {
    key: "has",
    value: function has(key) {
      return this._store.has(key);
    }
  }, {
    key: "get",
    value: function get(key, defaultValue) {
      var res = this.has(key) ? this._store.get(key) : this.root();
      return typeof res === 'undefined' || res === null ? defaultValue : res;
    }
  }, {
    key: "add",
    value: function add(key, value) {
      if (this.empty()) {
        this._root = key;
      }
      this._store.set(key, value);
    }
  }, {
    key: "update",
    value: function update(key, value) {
      if (this.has(key)) {
        this._store.set(key, value);
      }
    }
  }, {
    key: "remove",
    value: function remove(key) {
      this._store["delete"](key);
    }
  }, {
    key: "root",
    value: function root() {
      return this._store.get(this._root);
    }
  }]);
}();
var _default = exports["default"] = Cache;