@shoutem/redux-io/rio.js

'use strict';

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

var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

var _schemaConfig = require('./schemaConfig');

var _jsonApiStandardizer = require('./standardizers/json-api-standardizer');

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

/**
 * Adds additional layer over library by providing central place for defining rio behavior
 * and enabling easier usage by resolving configurations, standardization, denormalization.
 */
var Rio = exports.Rio = function () {
  function Rio() {
    _classCallCheck(this, Rio);

    this.clear();
  }

  /**
   * Register schema configuration. As schema configuration object or
   * as passing a function that acts as schema resolver.
  */


  _createClass(Rio, [{
    key: 'registerSchema',
    value: function registerSchema(config) {
      if (_lodash2.default.isFunction(config)) {
        this.schemaResolvers.push(config);
      } else if (_lodash2.default.isObject(config)) {
        (0, _schemaConfig.validateSchemaConfig)(config);
        this.schemaConfigs[config.schema] = config;
      } else {
        throw new Error('Schema argument is invalid. Only object of function are allowed.');
      }
    }

    /**
     * Resolve schema by finding a schema configuration object
     * or by resolving schema with registered schema resolvers.
     */

  }, {
    key: 'getSchema',
    value: function getSchema(schema) {
      var config = this.schemaConfigs[schema];
      if (config) {
        return _lodash2.default.cloneDeep(config);
      }

      this.schemaResolvers.forEach(function (resolver) {
        config = resolver(schema);
        if (config) {
          (0, _schemaConfig.validateSchemaConfig)(config);
          return false;
        }
        return true;
      });

      return _lodash2.default.cloneDeep(config);
    }

    /**
     * Register source type for data standardization.
     */

  }, {
    key: 'registerSourceType',
    value: function registerSourceType(sourceType, standardizer) {
      if (!_lodash2.default.isString(sourceType)) {
        throw new Error('rio.registerSourceType sourceType argument must be string.');
      }
      if (_lodash2.default.isEmpty(sourceType)) {
        throw new Error('rio.registerSourceType sourceType is empty.');
      }
      if (!_lodash2.default.isFunction(standardizer)) {
        throw new Error('rio.registerSourceType standardizer argument must be a function.');
      }

      this.standardizers[sourceType] = standardizer;
    }

    /**
     * Get standardizer function based on source type.
     */

  }, {
    key: 'getStandardizer',
    value: function getStandardizer(sourceType) {
      if (!_lodash2.default.isString(sourceType)) {
        throw new Error('rio.getStandardizer sourceType argument must be string.');
      }
      if (_lodash2.default.isEmpty(sourceType)) {
        throw new Error('rio.getStandardizer sourceType is empty.');
      }

      return this.standardizers[sourceType];
    }

    /**
     * Set instance of configured denormalizer used for denormalization with Rio.
     */

  }, {
    key: 'setDenormalizer',
    value: function setDenormalizer(denormalizer) {
      this.denormalizer = denormalizer;
    }

    /**
     * Set instance of configured denormalizer used for denormalization with Rio.
     */

  }, {
    key: 'setSchemaPaths',
    value: function setSchemaPaths(schemaPaths) {
      this.schemaPaths = schemaPaths;
    }

    /**
     * Clears registered collections and resolvers
     */

  }, {
    key: 'clear',
    value: function clear() {
      this.schemaConfigs = {};
      this.schemaResolvers = [];
      this.schemaPaths = {};
      this.denormalizer = null;
      this.standardizers = {};

      // Default standardizer for json-api
      this.registerSourceType(_jsonApiStandardizer.JSON_API_SOURCE, _jsonApiStandardizer.transform);
    }
  }]);

  return Rio;
}();

// Single instance of rio per application


var rio = new Rio();
exports.default = rio;