177 lines
3.9 KiB
JavaScript
177 lines
3.9 KiB
JavaScript
/**
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* Module dependencies.
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*/
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var express = require('express')
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, fs = require('fs')
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, ejs = require('ejs')
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, EventEmitter = require('events').EventEmitter
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, path = require('path')
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, proto = require('./application')
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, utils = require('express/node_modules/connect').utils
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, DataSource = require('loopback-datasource-juggler').DataSource
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, ModelBuilder = require('loopback-datasource-juggler').ModelBuilder
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, assert = require('assert')
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, i8n = require('inflection');
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/**
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* Expose `createApplication()`.
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*/
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var loopback = exports = module.exports = createApplication;
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/**
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* Framework version.
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*/
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loopback.version = require('../package.json').version;
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/**
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* Expose mime.
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*/
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loopback.mime = express.mime;
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/**
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* Create an loopback application.
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*
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* @return {Function}
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* @api public
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*/
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function createApplication() {
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var app = express();
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utils.merge(app, proto);
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return app;
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}
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/**
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* Expose express.middleware as loopback.*
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* for example `loopback.errorHandler` etc.
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*/
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for (var key in express) {
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Object.defineProperty(
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loopback
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, key
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, Object.getOwnPropertyDescriptor(express, key));
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}
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/**
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* Expose additional loopback middleware
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* for example `loopback.configure` etc.
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*/
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fs
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.readdirSync(path.join(__dirname, 'middleware'))
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.filter(function (file) {
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return file.match(/\.js$/);
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})
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.forEach(function (m) {
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loopback[m.replace(/\.js$/, '')] = require('./middleware/' + m);
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});
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/**
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* Error handler title
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*/
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loopback.errorHandler.title = 'Loopback';
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/**
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* Create a data source with passing the provided options to the connector.
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*
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* @param {String} name (optional)
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* @param {Object} options
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*
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* - connector - an loopback connector
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* - other values - see the specified `connector` docs
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*/
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loopback.createDataSource = function (name, options) {
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var ds = new DataSource(name, options);
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ds.createModel = function (name, properties, settings) {
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var ModelCtor = loopback.createModel(name, properties, settings);
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ModelCtor.attachTo(ds);
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return ModelCtor;
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};
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return ds;
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};
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/**
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* Create a named vanilla JavaScript class constructor with an attached set of properties and options.
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*
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* @param {String} name - must be unique
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* @param {Object} properties
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* @param {Object} options (optional)
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*/
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loopback.createModel = function (name, properties, options) {
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return loopback.Model.extend(name, properties, options);
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}
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/**
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* Add a remote method to a model.
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* @param {Function} fn
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* @param {Object} options (optional)
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*/
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loopback.remoteMethod = function (fn, options) {
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fn.shared = true;
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if(typeof options === 'object') {
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Object.keys(options).forEach(function (key) {
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fn[key] = options[key];
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});
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}
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fn.http = fn.http || {verb: 'get'};
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}
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/**
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* Create a template helper.
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*
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* var render = loopback.template('foo.ejs');
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* var html = render({foo: 'bar'});
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*
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* @param {String} path Path to the template file.
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* @returns {Function}
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*/
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loopback.template = function (file) {
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var templates = this._templates || (this._templates = {});
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var str = templates[file] || (templates[file] = fs.readFileSync(file, 'utf8'));
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return ejs.compile(str);
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}
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/**
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* Get an in-memory data source. Use one if it already exists.
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*
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* @param {String} [name] The name of the data source. If not provided, the `'default'` is used.
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*/
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loopback.memory = function (name) {
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name = name || 'default';
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var memory = (
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this._memoryDataSources
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|| (this._memoryDataSources = {})
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)[name];
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if(!memory) {
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memory = this._memoryDataSources[name] = loopback.createDataSource({
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connector: loopback.Memory
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});
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}
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return memory;
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}
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/*
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* Built in models / services
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*/
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loopback.Model = require('./models/model');
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loopback.Email = require('./models/email');
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loopback.User = require('./models/user');
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loopback.Application = require('./models/application');
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loopback.AccessToken = require('./models/access-token');
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