mobx-roof/lib/core/MobxContext.js

Simple React data management by mobx.

'use strict';

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

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

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 _utils = require('../common/utils');

var _MobxModel = require('./MobxModel');

var _MobxModel2 = _interopRequireDefault(_MobxModel);

var _globalMiddleware = require('./globalMiddleware');

var _globalMiddleware2 = _interopRequireDefault(_globalMiddleware);

var _MobxRelation = require('./MobxRelation');

var _MobxRelation2 = _interopRequireDefault(_MobxRelation);

var _SimpleEvent2 = require('../common/SimpleEvent');

var _SimpleEvent3 = _interopRequireDefault(_SimpleEvent2);

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"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var MobxContext = function (_SimpleEvent) {
  _inherits(MobxContext, _SimpleEvent);

  /**
   * @param {Object} contextInitData
   * @param {Object} opts
   *    - parentContext
   *    - middleware
   *    - relation
   *    - transfer
   */

  function MobxContext() {
    var contextInitData = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
    var opts = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

    _classCallCheck(this, MobxContext);

    var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(MobxContext).call(this));

    _this._middleware = opts.middleware || _globalMiddleware2.default;
    _this._relation = opts.relation || new _MobxRelation2.default();
    _this._data = (0, _utils.mapValues)(contextInitData, function (Model, name) {
      // Get from parent context
      if (typeof Model === 'string') {
        if (opts.parentContext) {
          return opts.parentContext.find(Model);
        }
        throw new Error('[@context] InitData "' + Model + '" can not find in it\'s parentContext.');
      }
      // Get a class
      if ((0, _MobxModel.isMobxModelClass)(Model)) {
        return new Model(null, _this._middleware);
      }
      // Get an instance
      if (Model instanceof _MobxModel2.default) {
        // update model's middleware
        Model.middleware = _this._middleware;
        return Model;
      }
      throw new TypeError('[@context] ' + name + ' must instance of MobxModel or MobxModel class.');
    });
    // transfer middleware and relation
    if (opts.parentContext) {
      _this.transferFromParentContext(opts.parentContext, opts);
    }
    _this._addRelationMiddleware();
    // trigger relation init function in async
    setTimeout(function () {
      _this._relation.triggerInit(_this);
      _this._relation.triggerAutorun(_this);
    });
    return _this;
  }

  _createClass(MobxContext, [{
    key: 'transferFromParentContext',
    value: function transferFromParentContext(parentContext, opts) {
      this._middleware = parentContext.middleware;
      // transfer customer
      if (opts.transfer) {
        opts.transfer(this, opts.parentContext);
      }
    }
  }, {
    key: '_addRelationMiddleware',
    value: function _addRelationMiddleware() {
      var _this2 = this;

      if (this._relationRemove) return;
      var hook = function hook(arg) {
        var fullname = _this2._findKeyByModel(arg.model) + '.' + arg.action;
        // exec async
        setTimeout(function () {
          _this2._relation.execInMiddleware(_extends({}, arg, { fullname: fullname, context: _this2 }));
        });
        return arg.payload;
      };
      this._relationRemove = this.middleware.use({
        after: hook
      });
    }
  }, {
    key: 'destroy',
    value: function destroy() {
      // remove relation middleware
      if (this._relationRemove) {
        this._relationRemove();
        this._relationRemove = null;
      }
    }
  }, {
    key: 'checkMobxModels',
    value: function checkMobxModels(mobxModels) {
      var _this3 = this;

      if (Array.isArray(mobxModels)) {
        mobxModels.forEach(function (name) {
          if (!_this3._data[name]) {
            throw new Error('[@observer] Can not find data "' + name + '" in MobxContext.');
          }
        });
      } else {
        (0, _utils.each)(mobxModels, function (MobxModel, name) {
          if (_this3._data[name]) {
            if (!(0, _MobxModel.isMobxModelClass)(MobxModel)) {
              throw new TypeError('[@observer] MobxContext required MobxModel class.');
            }
            if (!(_this3._data[name] instanceof MobxModel)) {
              throw new TypeError('[@observer] ' + name + ' is not instance of ' + MobxModel.name + '.');
            }
          } else {
            throw new Error('[@observer] Can not find data "' + name + '" in MobxContext.');
          }
        });
      }
    }
  }, {
    key: 'pick',
    value: function pick() {
      var _this4 = this;

      for (var _len = arguments.length, keys = Array(_len), _key = 0; _key < _len; _key++) {
        keys[_key] = arguments[_key];
      }

      return keys.reduce(function (obj, key) {
        if (!_this4._data[key]) throw new Error('[MobxContext] Can not find data "' + key + '" in MobxContext.');
        obj[key] = _this4._data[key];
        return obj;
      }, {});
    }
  }, {
    key: 'find',
    value: function find(key) {
      if (!this._data[key]) throw new Error('[MobxContext] Can not find data "' + key + '" in MobxContext.');
      return this._data[key];
    }
  }, {
    key: '_findKeyByModel',
    value: function _findKeyByModel(model) {
      var _this5 = this;

      return Object.keys(this._data).find(function (key) {
        return _this5._data[key] === model;
      });
    }
  }, {
    key: 'relation',
    set: function set(newRelation) {
      this._relation = newRelation;
    },
    get: function get() {
      return this._relation;
    }
  }, {
    key: 'middleware',
    get: function get() {
      return this._middleware;
    }
  }, {
    key: 'data',
    get: function get() {
      return this._data;
    }
  }]);

  return MobxContext;
}(_SimpleEvent3.default);

exports.default = MobxContext;
module.exports = exports['default'];