@cerebral/storage/lib/StorageProvider.js

Storage provider for Cerebral 2

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.StorageProviderError = undefined;

var _StorageProviderError = require('./StorageProviderError');

Object.defineProperty(exports, 'StorageProviderError', {
  enumerable: true,
  get: function get() {
    return _interopRequireDefault(_StorageProviderError).default;
  }
});

var _cerebral = require('cerebral');

var _StorageProviderError2 = _interopRequireDefault(_StorageProviderError);

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

function StorageProvider() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

  var target = options.target;

  options.json = 'json' in options ? options.json : true;
  options.prefix = options.prefix ? options.prefix + '.' : '';

  return (0, _cerebral.Provider)({
    get: function get(key) {
      var value = target.getItem(options.prefix + key);

      function resolveValue(value) {
        if (options.json && value) {
          return JSON.parse(value);
        }

        return value;
      }

      if (value instanceof Promise) {
        return value.then(resolveValue).catch(function (error) {
          throw new _StorageProviderError2.default(error);
        });
      }

      return resolveValue(value);
    },
    set: function set(key, value) {
      var maybePromise = value === undefined ? target.removeItem(options.prefix + key) : target.setItem(options.prefix + key, options.json ? JSON.stringify(value) : value);

      if (maybePromise instanceof Promise) {
        return maybePromise.catch(function (error) {
          throw new _StorageProviderError2.default(error);
        });
      }
    },
    remove: function remove(key) {
      var maybePromise = target.removeItem(options.prefix + key);

      if (maybePromise instanceof Promise) {
        return maybePromise.catch(function (error) {
          throw new _StorageProviderError2.default(error);
        });
      }
    }
  });
}

exports.default = StorageProvider;
//# sourceMappingURL=StorageProvider.js.map