@fmal/cerebral-storage/dist/es/index.js

Storage provider for Cerebral

import StorageProvider from './StorageProvider';
export { default as StorageProviderError } from './StorageProviderError';
export default (function (options) {
  if (options === void 0) {
    options = {};
  }

  return function (_ref) {
    var _providers;

    var app = _ref.app,
        name = _ref.name;
    var _options = options,
        _options$target = _options.target,
        targetStorage = _options$target === void 0 ? localStorage : _options$target,
        _options$json = _options.json,
        json = _options$json === void 0 ? true : _options$json,
        sync = _options.sync,
        prefix = _options.prefix;
    var finalPrefix = prefix ? prefix + '.' : '';
    app.once('initialized:model', function () {
      Object.keys(sync || {}).forEach(function (syncKey) {
        var value = targetStorage.getItem(finalPrefix + syncKey);

        if (!value) {
          return;
        }

        var path = sync[syncKey].split('.');
        app.model.set(path, json ? JSON.parse(value) : value);
      });
    });

    if (sync) {
      app.on('flush', function (changes) {
        changes.forEach(function (change) {
          Object.keys(sync).forEach(function (syncKey) {
            if (change.path.join('.').indexOf(sync[syncKey]) === 0) {
              var value = app.getState(sync[syncKey]);
              value === undefined ? targetStorage.removeItem(finalPrefix + syncKey) : targetStorage.setItem(finalPrefix + syncKey, json ? JSON.stringify(value) : value);
            }
          });
        });
      });
    }

    return {
      providers: (_providers = {}, _providers[name] = StorageProvider(options), _providers)
    };
  };
});