dareway-rui/build/core/reaper-core/createPromiseMiddleware.js

'use strict';

var _interopRequireDefault = require('@babel/runtime/helpers/interopRequireDefault');

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

var _slicedToArray2 = _interopRequireDefault(require('@babel/runtime/helpers/slicedToArray'));

var _objectSpread2 = _interopRequireDefault(require('@babel/runtime/helpers/objectSpread'));

var _constants = require('./constants');

function createPromiseMiddleware(app) {
    return function() {
        return function(next) {
            return function(action) {
                var type = action.type;

                if (isEffect(type)) {
                    return new Promise(function(resolve, reject) {
                        next(
                            (0, _objectSpread2.default)(
                                {
                                    __dva_resolve: resolve,
                                    __dva_reject: reject
                                },
                                action
                            )
                        );
                    });
                } else {
                    return next(action);
                }
            };
        };
    };

    function isEffect(type) {
        if (!type || typeof type !== 'string') return false;

        var _type$split = type.split(_constants.NAMESPACE_SEP),
            _type$split2 = (0, _slicedToArray2.default)(_type$split, 1),
            namespace = _type$split2[0];

        var model = app._models.filter(function(m) {
            return m.namespace === namespace;
        })[0];

        if (model) {
            if (model.effects && model.effects[type]) {
                return true;
            }
        }

        return false;
    }
}

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