@rematch/core/dist/core.cjs.development.js

A Redux Framework

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var Redux = require('redux');

function _interopNamespace(e) {
  if (e && e.__esModule) return e;
  var n = Object.create(null);
  if (e) {
    Object.keys(e).forEach(function (k) {
      if (k !== 'default') {
        var d = Object.getOwnPropertyDescriptor(e, k);
        Object.defineProperty(n, k, d.get ? d : {
          enumerable: true,
          get: function () { return e[k]; }
        });
      }
    });
  }
  n["default"] = e;
  return n;
}

var Redux__namespace = /*#__PURE__*/_interopNamespace(Redux);

function _extends() {
  _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;
  };

  return _extends.apply(this, arguments);
}

function createReduxStore(bag) {
  var _bag$reduxConfig;

  bag.models.forEach(function (model) {
    return createModelReducer(bag, model);
  });
  var rootReducer = createRootReducer(bag);
  var middlewares = Redux__namespace.applyMiddleware.apply(Redux__namespace, bag.reduxConfig.middlewares);
  var enhancers = bag.reduxConfig.devtoolComposer ? (_bag$reduxConfig = bag.reduxConfig).devtoolComposer.apply(_bag$reduxConfig, bag.reduxConfig.enhancers.concat([middlewares])) : composeEnhancersWithDevtools(bag.reduxConfig.devtoolOptions).apply(void 0, bag.reduxConfig.enhancers.concat([middlewares]));
  var createStore = bag.reduxConfig.createStore || Redux__namespace.createStore;
  var bagInitialState = bag.reduxConfig.initialState;
  var initialState = bagInitialState === undefined ? {} : bagInitialState;
  return createStore(rootReducer, initialState, enhancers);
}
function createModelReducer(bag, model) {
  var modelReducers = {};
  var modelReducerKeys = Object.keys(model.reducers);
  modelReducerKeys.forEach(function (reducerKey) {
    var actionName = isAlreadyActionName(reducerKey) ? reducerKey : model.name + "/" + reducerKey;
    modelReducers[actionName] = model.reducers[reducerKey];
  });

  var combinedReducer = function combinedReducer(state, action) {
    if (state === void 0) {
      state = model.state;
    }

    if (action.type in modelReducers) {
      return modelReducers[action.type](state, action.payload, action.meta);
    }

    return state;
  };

  var modelBaseReducer = model.baseReducer;
  var reducer = !modelBaseReducer ? combinedReducer : function (state, action) {
    if (state === void 0) {
      state = model.state;
    }

    return combinedReducer(modelBaseReducer(state, action), action);
  };
  bag.forEachPlugin('onReducer', function (onReducer) {
    reducer = onReducer(reducer, model.name, bag) || reducer;
  });
  bag.reduxConfig.reducers[model.name] = reducer;
}
function createRootReducer(bag) {
  var rootReducers = bag.reduxConfig.rootReducers;
  var mergedReducers = mergeReducers(bag.reduxConfig);
  var rootReducer = mergedReducers;

  if (rootReducers && Object.keys(rootReducers).length) {
    rootReducer = function rootReducer(state, action) {
      var actionRootReducer = rootReducers[action.type];

      if (actionRootReducer) {
        return mergedReducers(actionRootReducer(state, action), action);
      }

      return mergedReducers(state, action);
    };
  }

  bag.forEachPlugin('onRootReducer', function (onRootReducer) {
    rootReducer = onRootReducer(rootReducer, bag) || rootReducer;
  });
  return rootReducer;
}

function mergeReducers(reduxConfig) {
  var combineReducers = reduxConfig.combineReducers || Redux__namespace.combineReducers;

  if (!Object.keys(reduxConfig.reducers).length) {
    return function (state) {
      return state;
    };
  }

  return combineReducers(reduxConfig.reducers);
}

function composeEnhancersWithDevtools(devtoolOptions) {
  if (devtoolOptions === void 0) {
    devtoolOptions = {};
  }

  return !devtoolOptions.disabled && typeof window === 'object' && window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ ? window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__(devtoolOptions) : Redux__namespace.compose;
}

function isAlreadyActionName(reducerKey) {
  return reducerKey.indexOf('/') > -1;
}

var isObject = function isObject(obj) {
  return typeof obj === 'object' && obj !== null && !Array.isArray(obj);
};
var ifDefinedIsFunction = function ifDefinedIsFunction(func) {
  return !func || typeof func === 'function';
};

var validate = function validate(runValidations) {
  {
    var validations = runValidations();
    var errors = [];
    validations.forEach(function (validation) {
      var isInvalid = validation[0];
      var errorMessage = validation[1];

      if (isInvalid) {
        errors.push(errorMessage);
      }
    });

    if (errors.length > 0) {
      throw new Error(errors.join(', '));
    }
  }
};

var validateConfig = function validateConfig(config) {
  validate(function () {
    return [[!Array.isArray(config.plugins), 'init config.plugins must be an array'], [!isObject(config.models), 'init config.models must be an object'], [!isObject(config.redux.reducers), 'init config.redux.reducers must be an object'], [!Array.isArray(config.redux.middlewares), 'init config.redux.middlewares must be an array'], [!Array.isArray(config.redux.enhancers), 'init config.redux.enhancers must be an array of functions'], [!ifDefinedIsFunction(config.redux.combineReducers), 'init config.redux.combineReducers must be a function'], [!ifDefinedIsFunction(config.redux.createStore), 'init config.redux.createStore must be a function']];
  });
};
var validateModel = function validateModel(model) {
  validate(function () {
    return [[!model, 'model config is required'], [typeof model.name !== 'string', 'model "name" [string] is required'], [model.state === undefined && model.baseReducer === undefined, 'model "state" is required'], [!ifDefinedIsFunction(model.baseReducer), 'model "baseReducer" must be a function']];
  });
};
var validatePlugin = function validatePlugin(plugin) {
  validate(function () {
    return [[!ifDefinedIsFunction(plugin.onStoreCreated), 'Plugin onStoreCreated must be a function'], [!ifDefinedIsFunction(plugin.onModel), 'Plugin onModel must be a function'], [!ifDefinedIsFunction(plugin.onReducer), 'Plugin onReducer must be a function'], [!ifDefinedIsFunction(plugin.onRootReducer), 'Plugin onRootReducer must be a function'], [!ifDefinedIsFunction(plugin.createMiddleware), 'Plugin createMiddleware must be a function']];
  });
};
var validateModelReducer = function validateModelReducer(modelName, reducers, reducerName) {
  validate(function () {
    return [[!!reducerName.match(/\/.+\//), "Invalid reducer name (" + modelName + "/" + reducerName + ")"], [typeof reducers[reducerName] !== 'function', "Invalid reducer (" + modelName + "/" + reducerName + "). Must be a function"]];
  });
};
var validateModelEffect = function validateModelEffect(modelName, effects, effectName) {
  validate(function () {
    return [[!!effectName.match(/\//), "Invalid effect name (" + modelName + "/" + effectName + ")"], [typeof effects[effectName] !== 'function', "Invalid effect (" + modelName + "/" + effectName + "). Must be a function"]];
  });
};

var createActionDispatcher = function createActionDispatcher(rematch, modelName, actionName, isEffect) {
  return Object.assign(function (payload, meta) {
    var action = {
      type: modelName + "/" + actionName
    };

    if (typeof payload !== 'undefined') {
      action.payload = payload;
    }

    if (typeof meta !== 'undefined') {
      action.meta = meta;
    }

    return rematch.dispatch(action);
  }, {
    isEffect: isEffect
  });
};

var createReducerDispatcher = function createReducerDispatcher(rematch, model) {
  var modelDispatcher = rematch.dispatch[model.name];
  var modelReducersKeys = Object.keys(model.reducers);
  modelReducersKeys.forEach(function (reducerName) {
    validateModelReducer(model.name, model.reducers, reducerName);
    modelDispatcher[reducerName] = createActionDispatcher(rematch, model.name, reducerName, false);
  });
};
var createEffectDispatcher = function createEffectDispatcher(rematch, bag, model) {
  var modelDispatcher = rematch.dispatch[model.name];
  var effects = {};

  if (model.effects) {
    effects = typeof model.effects === 'function' ? model.effects(rematch.dispatch) : model.effects;
  }

  var effectKeys = Object.keys(effects);
  effectKeys.forEach(function (effectName) {
    validateModelEffect(model.name, effects, effectName);
    bag.effects[model.name + "/" + effectName] = effects[effectName].bind(modelDispatcher);
    modelDispatcher[effectName] = createActionDispatcher(rematch, model.name, effectName, true);
  });
};

function createRematchBag(config) {
  return {
    models: createNamedModels(config.models),
    reduxConfig: config.redux,
    forEachPlugin: function forEachPlugin(method, fn) {
      config.plugins.forEach(function (plugin) {
        if (plugin[method]) {
          fn(plugin[method]);
        }
      });
    },
    effects: {}
  };
}

function createNamedModels(models) {
  return Object.keys(models).map(function (modelName) {
    var model = createNamedModel(modelName, models[modelName]);
    validateModel(model);
    return model;
  });
}

function createNamedModel(name, model) {
  return _extends({
    name: name,
    reducers: {}
  }, model);
}

function createRematchStore(config) {
  var bag = createRematchBag(config);
  bag.reduxConfig.middlewares.push(createEffectsMiddleware(bag));
  bag.forEachPlugin('createMiddleware', function (createMiddleware) {
    bag.reduxConfig.middlewares.push(createMiddleware(bag));
  });
  var reduxStore = createReduxStore(bag);

  var rematchStore = _extends({}, reduxStore, {
    name: config.name,
    addModel: function addModel(model) {
      validateModel(model);
      createModelReducer(bag, model);
      prepareModel(rematchStore, model);
      enhanceModel(rematchStore, bag, model);
      reduxStore.replaceReducer(createRootReducer(bag));
      reduxStore.dispatch({
        type: '@@redux/REPLACE'
      });
    }
  });

  addExposed(rematchStore, config.plugins);
  bag.models.forEach(function (model) {
    return prepareModel(rematchStore, model);
  });
  bag.models.forEach(function (model) {
    return enhanceModel(rematchStore, bag, model);
  });
  bag.forEachPlugin('onStoreCreated', function (onStoreCreated) {
    rematchStore = onStoreCreated(rematchStore, bag) || rematchStore;
  });
  return rematchStore;
}

function createEffectsMiddleware(bag) {
  return function (store) {
    return function (next) {
      return function (action) {
        if (action.type in bag.effects) {
          next(action);
          return bag.effects[action.type](action.payload, store.getState(), action.meta);
        }

        return next(action);
      };
    };
  };
}

function prepareModel(rematchStore, model) {
  var modelDispatcher = {};
  rematchStore.dispatch["" + model.name] = modelDispatcher;
  createReducerDispatcher(rematchStore, model);
}

function enhanceModel(rematchStore, bag, model) {
  createEffectDispatcher(rematchStore, bag, model);
  bag.forEachPlugin('onModel', function (onModel) {
    onModel(model, rematchStore);
  });
}

function addExposed(store, plugins) {
  plugins.forEach(function (plugin) {
    if (!plugin.exposed) return;
    var pluginKeys = Object.keys(plugin.exposed);
    pluginKeys.forEach(function (key) {
      if (!plugin.exposed) return;
      var exposedItem = plugin.exposed[key];
      var isExposedFunction = typeof exposedItem === 'function';
      store[key] = isExposedFunction ? function () {
        for (var _len = arguments.length, params = new Array(_len), _key = 0; _key < _len; _key++) {
          params[_key] = arguments[_key];
        }

        return exposedItem.apply(void 0, [store].concat(params));
      } : Object.create(plugin.exposed[key]);
    });
  });
}

var count = 0;
function createConfig(initConfig) {
  var _initConfig$name, _initConfig$redux$dev, _initConfig$redux;

  var storeName = (_initConfig$name = initConfig.name) != null ? _initConfig$name : "Rematch Store " + count;
  count += 1;
  var config = {
    name: storeName,
    models: initConfig.models || {},
    plugins: initConfig.plugins || [],
    redux: _extends({
      reducers: {},
      rootReducers: {},
      enhancers: [],
      middlewares: []
    }, initConfig.redux, {
      devtoolOptions: _extends({
        name: storeName
      }, (_initConfig$redux$dev = (_initConfig$redux = initConfig.redux) == null ? void 0 : _initConfig$redux.devtoolOptions) != null ? _initConfig$redux$dev : {})
    })
  };
  validateConfig(config);
  config.plugins.forEach(function (plugin) {
    if (plugin.config) {
      config.models = merge(config.models, plugin.config.models);

      if (plugin.config.redux) {
        config.redux.initialState = merge(config.redux.initialState, plugin.config.redux.initialState);
        config.redux.reducers = merge(config.redux.reducers, plugin.config.redux.reducers);
        config.redux.rootReducers = merge(config.redux.rootReducers, plugin.config.redux.reducers);
        config.redux.enhancers = [].concat(config.redux.enhancers, plugin.config.redux.enhancers || []);
        config.redux.middlewares = [].concat(config.redux.middlewares, plugin.config.redux.middlewares || []);
        config.redux.combineReducers = config.redux.combineReducers || plugin.config.redux.combineReducers;
        config.redux.createStore = config.redux.createStore || plugin.config.redux.createStore;
      }
    }

    validatePlugin(plugin);
  });
  return config;
}

function merge(original, extra) {
  return extra ? _extends({}, extra, original) : original;
}

var init = function init(initConfig) {
  var config = createConfig(initConfig || {});
  return createRematchStore(config);
};
var createModel = function createModel() {
  return function (mo) {
    return mo;
  };
};
var index = {
  init: init,
  createModel: createModel
};

exports.createModel = createModel;
exports["default"] = index;
exports.init = init;
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