@choerodon/master/lib/utils/iframeStorage.js

A package of Master for Choerodon platform.

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); return Constructor; }

// 处理开放平台嵌入iframe后storage报错问题
var BaseStorage = /*#__PURE__*/function () {
  function BaseStorage() {
    _classCallCheck(this, BaseStorage);

    this.valuesMap = new Map();
  }

  _createClass(BaseStorage, [{
    key: "getItem",
    value: function getItem(key) {
      var stringKey = String(key);

      if (this.valuesMap.has(key)) {
        return String(this.valuesMap.get(stringKey));
      }

      return null;
    }
  }, {
    key: "setItem",
    value: function setItem(key, val) {
      this.valuesMap.set(String(key), String(val));
    }
  }, {
    key: "removeItem",
    value: function removeItem(key) {
      this.valuesMap["delete"](key);
    }
  }, {
    key: "clear",
    value: function clear() {
      this.valuesMap.clear();
    }
  }, {
    key: "key",
    value: function key(i) {
      if (arguments.length === 0) {
        throw new TypeError("Failed to execute 'key' on 'Storage': 1 argument required, but only 0 present."); // this is a TypeError implemented on Chrome, Firefox throws Not enough arguments to Storage.key.
      }

      var arr = Array.from(this.valuesMap.keys());
      return arr[i];
    }
  }, {
    key: "length",
    get: function get() {
      return this.valuesMap.size;
    }
  }]);

  return BaseStorage;
}();

try {
  // eslint-disable-next-line no-unused-expressions
  window.localStorage; // eslint-disable-next-line no-unused-expressions

  window.sessionStorage;
} catch (error) {
  Object.defineProperty(window, 'localStorage', {
    get: function get() {
      return new BaseStorage();
    }
  });
  Object.defineProperty(window, 'sessionStorage', {
    get: function get() {
      return new BaseStorage();
    }
  });
}