68 lines
1.5 KiB
JavaScript
68 lines
1.5 KiB
JavaScript
/**
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* Module dependencies.
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*/
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var ModuleLoader = require('sl-module-loader')
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, path = require('path');
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/**
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* Export the middleware.
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*/
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module.exports = configure;
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/**
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* Load application modules based on the current directories configuration files.
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*/
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function configure(root) {
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var moduleLoader = configure.createModuleLoader(root);
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var app = this;
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process.__asteroidCache = {};
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return function configureMiddleware(req, res, next) {
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var modules = req.modules = res.modules = moduleLoader;
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moduleLoader.load(function (err) {
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if(err) {
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next(err);
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} else {
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var models = modules.instanceOf('ModelConfiguration');
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var dataSources = modules.instanceOf('DataSource');
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// define models from config
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models.forEach(function (model) {
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app.models[model.options.name] = model.ModelCtor;
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});
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// define data sources from config
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dataSources.forEach(function (dataSource) {
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app.dataSources[dataSources.options.name] = dataSource;
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});
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next();
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}
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});
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}
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}
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configure.createModuleLoader = function (root) {
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var options = {
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alias: BUNDLED_MODULE_ALIAS
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};
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return ModuleLoader.create(root || '.', options);
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};
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/**
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* Turn asteroid bundled deps into aliases for the module loader
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*/
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var BUNDLED_MODULE_ALIAS = require('../../package.json')
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.bundleDependencies
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.reduce(function (prev, cur) {
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prev[cur] = path.join('asteroid', 'node_modules', cur);
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return prev;
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}, {});
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