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| 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; Eif ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Eif (protoProps) defineProperties(Constructor.prototype, protoProps); Iif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { Iif (!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) { Iif (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 } }); Eif (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : _defaults(subClass, superClass); }
Eif (typeof define !== 'function') {
var define = require('amdefine')(module);
}
define(function (require) {
'use strict';
var util = require('./util');
var Deferred = require('./Deferred');
var EventTarget = require('fc-mini-event/EventTarget');
var SILENT = { silent: true };
var loadData = function loadData(model, options) {
var addDataToModel = function addDataToModel(value) {
if (options.dump) {
model.fill(value, SILENT);
} else {
model.set(options.name, value, SILENT);
}
return { success: true, name: options.name, options: options, value: value };
};
var buildError = function buildError(error) {
return { success: false, name: options.name, options: options, error: error };
};
try {
var value = options.retrieve(model, options);
if (Deferred.isPromise(value)) {
if (typeof value.abort === 'function') {
model.addPendingWorker(value);
}
return value.then(addDataToModel, function (error) {
error = buildError(error);
try {
var result = model.handleError(error);
return addDataToModel(result);
} catch (ex) {
if (ex.success === false) {
throw ex;
} else {
throw buildError(ex);
}
}
});
} else {
var result = addDataToModel(value);
return Promise.resolve(result);
}
} catch (ex) {
var error = buildError(ex);
return Promise.reject(error);
}
};
var loadSequence = function loadSequence(model, datasource) {
var loading = Promise.resolve();
for (var i = 0; i < datasource.length; i++) {
var unit = datasource[i];
var task = util.bind(_load, null, model, unit);
loading = loading.then(task);
}
return loading;
};
var loadParallel = function loadParallel(model, datasource) {
var workers = [];
for (var name in datasource) {
Eif (datasource.hasOwnProperty(name)) {
var unit = datasource[name];
if (typeof unit === 'function') {
unit = { retrieve: unit, name: name };
} else Eif (typeof unit.retrieve === 'function') {
unit = util.mix({ name: name }, unit);
}
workers.push(_load(model, unit));
}
}
return Promise.all(workers);
};
var _load = function _load(model, datasource) {
if (!datasource) {
return Promise.resolve();
}
if (typeof datasource === 'function') {
var options = { retrieve: datasource, dump: true };
return loadData(model, options);
}
if (datasource instanceof Array) {
return loadSequence(model, datasource);
}
if (typeof datasource.retrieve === 'function') {
return loadData(model, datasource);
}
return loadParallel(model, datasource);
};
var removePendingWorker = function removePendingWorker(model, worker) {
for (var i = 0; i < model.pendingWorkers.length; i++) {
Eif (model.pendingWorkers[i] === worker) {
model.pendingWorkers.splice(i, 1);
return;
}
}
};
var forwardToPrepare = function forwardToPrepare() {
var processError = function processError(ex) {
var error = { success: false, name: '$prepare', options: {}, error: ex };
throw error;
};
try {
var preparing = this.prepare();
Iif (Deferred.isPromise(preparing)) {
return preparing.then(null, processError);
} else {
return preparing;
}
} catch (ex) {
processError(ex);
}
};
var setProperty = function setProperty(model, name, value) {
var type = model.store.hasOwnProperty(name) ? 'change' : 'add';
var oldValue = model.store[name];
model.store[name] = value;
if (oldValue !== value) {
return { type: type, name: name, oldValue: oldValue, newValue: value };
}
return null;
};
var Model = function (_EventTarget) {
_inherits(Model, _EventTarget);
function Model(args) {
_classCallCheck(this, Model);
var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(Model).call(this));
_this.store = {};
_this.pendingWorkers = [];
if (args) {
_this.fill(args, SILENT);
}
_this.initialize();
return _this;
}
_createClass(Model, [{
key: 'initialize',
value: function initialize() {}
}, {
key: 'addPendingWorker',
value: function addPendingWorker(worker) {
this.pendingWorkers.push(worker);
var cbk = util.bind(removePendingWorker, null, this, worker);
worker.then(cbk, cbk);
}
}, {
key: 'getDatasource',
value: function getDatasource() {
return this.datasource;
}
}, {
key: 'load',
value: function load() {
try {
var datasource = this.getDatasource();
var loading = _load(this, datasource);
return loading.then(util.bind(forwardToPrepare, this));
} catch (ex) {
return Promise.reject(ex);
}
}
}, {
key: 'prepare',
value: function prepare() {}
}, {
key: 'get',
value: function get(name) {
return this.store[name];
}
}, {
key: 'set',
value: function set(name, value, options) {
options = options || {};
var record = setProperty(this, name, value);
if (record && !options.silent) {
var event = { changes: [record] };
this.fire('change', event);
}
return value;
}
}, {
key: 'fill',
value: function fill(extension, options) {
options = options || {};
var changes = [];
for (var name in extension) {
if (extension.hasOwnProperty(name)) {
var record = setProperty(this, name, extension[name]);
if (record) {
changes.push(record);
}
}
}
if (changes.length && !options.silent) {
var event = { changes: changes };
this.fire('change', event);
}
return extension;
}
}, {
key: 'remove',
value: function remove(name, options) {
if (!this.store.hasOwnProperty(name)) {
return;
}
options = options || {};
var value = this.store[name];
delete this.store[name];
if (!options.silent) {
var event = { changes: [{ type: 'remove', name: name, oldValue: value, newValue: undefined }] };
this.fire('change', event);
}
return value;
}
}, {
key: 'getAsModel',
value: function getAsModel(name) {
var value = this.get(name);
Iif (!value || {}.toString.call(value) !== '[object Object]') {
return new Model();
} else {
return new Model(value);
}
}
}, {
key: 'dump',
value: function dump() {
return util.mix({}, this.store);
}
}, {
key: 'has',
value: function has(name) {
return this.store.hasOwnProperty(name);
}
}, {
key: 'hasValue',
value: function hasValue(name) {
return this.has(name) && this.store[name] != null;
}
}, {
key: 'hasReadableValue',
value: function hasReadableValue(name) {
return this.hasValue(name) && this.store[name] !== '';
}
}, {
key: 'valueOf',
value: function valueOf() {
return this.dump();
}
}, {
key: 'clone',
value: function clone() {
return new Model(this.store);
}
}, {
key: 'handleError',
value: function handleError(error) {
throw error;
}
}, {
key: 'dispose',
value: function dispose() {
Eif (this.pendingWorkers) {
for (var i = 0; i < this.pendingWorkers.length; i++) {
var worker = this.pendingWorkers[i];
Eif (typeof worker.abort === 'function') {
try {
worker.abort();
} catch (ex) {}
}
}
this.pendingWorkers = null;
}
}
}, {
key: 'setContext',
value: function setContext(context) {
this.context = context;
}
}, {
key: 'getContext',
value: function getContext() {
return this.context;
}
}]);
return Model;
}(EventTarget);
return Model;
});
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(typeof define !== 'function') {var define = require('amdefine')(module)}\n\ndefine(function (require) {\n    'use strict';\n\n    const util = require('./util');\n    const Deferred = require('./Deferred');\n    const EventTarget = require('fc-mini-event/EventTarget');\n\n    const SILENT = {silent: true};\n\n    const loadData = (model, options) => {\n        const addDataToModel = (value) => {\n            if (options.dump) {\n                model.fill(value, SILENT);\n            }\n            else {\n                model.set(options.name, value, SILENT);\n            }\n\n            return {success: true, name: options.name, options, value};\n        };\n\n        const buildError = (error) => ({success: false, name: options.name, options, error});\n\n        try {\n            const value = options.retrieve(model, options);\n\n            if (Deferred.isPromise(value)) {\n                if (typeof value.abort === 'function') {\n                    model.addPendingWorker(value);\n                }\n                return value.then(addDataToModel, (error) => {\n                    error = buildError(error);\n                    try {\n                        const result = model.handleError(error);\n                        return addDataToModel(result);\n                    }\n                    catch (ex) {\n                        if (ex.success === false) {\n                            throw ex;\n                        }\n                        else {\n                            throw buildError(ex);\n                        }\n                    }\n                });\n            }\n            else {\n                const result = addDataToModel(value);\n                return Promise.resolve(result);\n            }\n        }\n        catch (ex) {\n            const error = buildError(ex);\n            return Promise.reject(error);\n        }\n    };\n\n    const loadSequence = (model, datasource) => {\n        let loading = Promise.resolve();\n        for (let i = 0; i < datasource.length; i++) {\n            const unit = datasource[i];\n            const task = util.bind(load, null, model, unit);\n            loading = loading.then(task);\n        }\n        return loading;\n    };\n\n    const loadParallel = (model, datasource) => {\n        const workers = [];\n        for (const name in datasource) {\n            if (datasource.hasOwnProperty(name)) {\n                let unit = datasource[name];\n                if (typeof unit === 'function') {\n                    unit = {retrieve: unit, name};\n                }\n                else if (typeof unit.retrieve === 'function') {\n                    unit = util.mix({name}, unit);\n                }\n\n                workers.push(load(model, unit));\n            }\n        }\n\n        return Promise.all(workers);\n    };\n\n    const load = (model, datasource) => {\n        if (!datasource) {\n            return Promise.resolve();\n        }\n\n        if (typeof datasource === 'function') {\n            const options = {retrieve: datasource, dump: true};\n            return loadData(model, options);\n        }\n\n        if (datasource instanceof Array) {\n            return loadSequence(model, datasource);\n        }\n\n        if (typeof datasource.retrieve === 'function') {\n            return loadData(model, datasource);\n        }\n\n        return loadParallel(model, datasource);\n    };\n\n    const removePendingWorker = (model, worker) => {\n        for (let i = 0; i < model.pendingWorkers.length; i++) {\n            if (model.pendingWorkers[i] === worker) {\n                model.pendingWorkers.splice(i, 1);\n                return;\n            }\n        }\n    };\n\n    const forwardToPrepare = function () {\n        const processError = (ex) => {\n            const error = {success: false, name: '$prepare', options: {}, error: ex};\n            throw error;\n        };\n\n        try {\n            const preparing = this.prepare();\n            if (Deferred.isPromise(preparing)) {\n                return preparing.then(null, processError);\n            }\n            else {\n                return preparing;\n            }\n        }\n        catch (ex) {\n            processError(ex);\n        }\n    };\n\n    const setProperty = (model, name, value) => {\n        const type = model.store.hasOwnProperty(name) ? 'change' : 'add';\n        const oldValue = model.store[name];\n        model.store[name] = value;\n\n        if (oldValue !== value) {\n            return {type, name, oldValue, newValue: value};\n        }\n\n        return null;\n    };\n\n    class Model extends EventTarget {\n        constructor(args) {\n            super();\n\n            this.store = {};\n            this.pendingWorkers = [];\n\n            if (args) {\n                this.fill(args, SILENT);\n            }\n\n            this.initialize();\n        }\n\n        initialize() {}\n\n        addPendingWorker(worker) {\n            this.pendingWorkers.push(worker);\n            const cbk = util.bind(removePendingWorker, null, this, worker);\n            worker.then(cbk, cbk);\n        }\n\n        getDatasource() {\n            return this.datasource;\n        }\n\n        load() {\n            try {\n                const datasource = this.getDatasource();\n                const loading = load(this, datasource);\n                return loading.then(util.bind(forwardToPrepare, this));\n            }\n            catch (ex) {\n                return Promise.reject(ex);\n            }\n        }\n\n        prepare() {}\n\n        get(name) {\n            return this.store[name];\n        }\n\n        set(name, value, options) {\n            options = options || {};\n\n            const record = setProperty(this, name, value);\n            if (record && !options.silent) {\n                const event = {changes: [record]};\n                this.fire('change', event);\n            }\n\n            return value;\n        }\n\n        fill(extension, options) {\n            options = options || {};\n\n            const changes = [];\n            for (const name in extension) {\n                if (extension.hasOwnProperty(name)) {\n                    const record = setProperty(this, name, extension[name]);\n                    if (record) {\n                        changes.push(record);\n                    }\n                }\n            }\n\n            if (changes.length && !options.silent) {\n                const event = {changes};\n                this.fire('change', event);\n            }\n\n            return extension;\n        }\n\n        remove(name, options) {\n            if (!this.store.hasOwnProperty(name)) {\n                return;\n            }\n\n            options = options || {};\n            const value = this.store[name];\n            delete this.store[name];\n\n            if (!options.silent) {\n                const event = {changes: [{type: 'remove', name, oldValue: value, newValue: undefined}]};\n                this.fire('change', event);\n            }\n\n            return value;\n        }\n\n        getAsModel(name) {\n            const value = this.get(name);\n            if (!value || {}.toString.call(value) !== '[object Object]') {\n                return new Model();\n            }\n            else {\n                return new Model(value);\n            }\n        }\n\n        dump() {\n            return util.mix({}, this.store);\n        }\n\n        has(name) {\n            return this.store.hasOwnProperty(name);\n        }\n\n        hasValue(name) {\n            return this.has(name) && this.store[name] != null;\n        }\n\n        hasReadableValue(name) {\n            return this.hasValue(name) && this.store[name] !== '';\n        }\n\n        valueOf() {\n            return this.dump();\n        }\n\n        clone() {\n            return new Model(this.store);\n        }\n\n        handleError(error) {\n            throw error;\n        }\n\n        dispose() {\n            if (this.pendingWorkers) {\n                for (let i = 0; i < this.pendingWorkers.length; i++) {\n                    const worker = this.pendingWorkers[i];\n                    if (typeof worker.abort === 'function') {\n                        try {\n                            worker.abort();\n                        }\n                        catch (ex) {\n                        }\n                    }\n                }\n                this.pendingWorkers = null;\n            }\n        }\n\n        setContext(context) {\n            this.context = context;\n        }\n\n        getContext() {\n            return this.context;\n        }\n\n    }\n\n    return Model;\n});\n"]} |