FM / lib

/var/www/verywell.gr/server/delivery/node_modules/express/lib/

/var/www/verywell.gr/server/delivery/node_modules/express/lib

Name	Size	Mode	Actions
middleware/	-	0755	rm
router/	-	0755	rm
application.js	14593	0644	edit dl rm
express.js	2409	0644	edit dl rm
request.js	12505	0644	edit dl rm
response.js	28014	0644	edit dl rm
utils.js	5955	0644	edit dl rm
view.js	3325	0644	edit dl rm

Edit: /var/www/verywell.gr/server/delivery/node_modules/express/lib/application.js (14593B)

/*!
 * express
 * Copyright(c) 2009-2013 TJ Holowaychuk
 * Copyright(c) 2013 Roman Shtylman
 * Copyright(c) 2014-2015 Douglas Christopher Wilson
 * MIT Licensed
 */

'use strict';

/**
 * Module dependencies.
 * @private
 */

var finalhandler = require('finalhandler');
var Router = require('./router');
var methods = require('methods');
var middleware = require('./middleware/init');
var query = require('./middleware/query');
var debug = require('debug')('express:application');
var View = require('./view');
var http = require('http');
var compileETag = require('./utils').compileETag;
var compileQueryParser = require('./utils').compileQueryParser;
var compileTrust = require('./utils').compileTrust;
var deprecate = require('depd')('express');
var flatten = require('array-flatten');
var merge = require('utils-merge');
var resolve = require('path').resolve;
var setPrototypeOf = require('setprototypeof')

/**
 * Module variables.
 * @private
 */

var hasOwnProperty = Object.prototype.hasOwnProperty
var slice = Array.prototype.slice;

/**
 * Application prototype.
 */

var app = exports = module.exports = {};

/**
 * Variable for trust proxy inheritance back-compat
 * @private
 */

var trustProxyDefaultSymbol = '@@symbol:trust_proxy_default';

/**
 * Initialize the server.
 *
 *   - setup default configuration
 *   - setup default middleware
 *   - setup route reflection methods
 *
 * @private
 */

app.init = function init() {
  this.cache = {};
  this.engines = {};
  this.settings = {};

this.defaultConfiguration();
};

/**
 * Initialize application configuration.
 * @private
 */

app.defaultConfiguration = function defaultConfiguration() {
  var env = process.env.NODE_ENV || 'development';

// default settings
  this.enable('x-powered-by');
  this.set('etag', 'weak');
  this.set('env', env);
  this.set('query parser', 'extended');
  this.set('subdomain offset', 2);
  this.set('trust proxy', false);

// trust proxy inherit back-compat
  Object.defineProperty(this.settings, trustProxyDefaultSymbol, {
    configurable: true,
    value: true
  });

debug('booting in %s mode', env);

this.on('mount', function onmount(parent) {
    // inherit trust proxy
    if (this.settings[trustProxyDefaultSymbol] === true
      && typeof parent.settings['trust proxy fn'] === 'function') {
      delete this.settings['trust proxy'];
      delete this.settings['trust proxy fn'];
    }

// inherit protos
    setPrototypeOf(this.request, parent.request)
    setPrototypeOf(this.response, parent.response)
    setPrototypeOf(this.engines, parent.engines)
    setPrototypeOf(this.settings, parent.settings)
  });

// setup locals
  this.locals = Object.create(null);

// top-most app is mounted at /
  this.mountpath = '/';

// default locals
  this.locals.settings = this.settings;

// default configuration
  this.set('view', View);
  this.set('views', resolve('views'));
  this.set('jsonp callback name', 'callback');

if (env === 'production') {
    this.enable('view cache');
  }

Object.defineProperty(this, 'router', {
    get: function() {
      throw new Error('\'app.router\' is deprecated!\nPlease see the 3.x to 4.x migration guide for details on how to update your app.');
    }
  });
};

/**
 * lazily adds the base router if it has not yet been added.
 *
 * We cannot add the base router in the defaultConfiguration because
 * it reads app settings which might be set after that has run.
 *
 * @private
 */
app.lazyrouter = function lazyrouter() {
  if (!this._router) {
    this._router = new Router({
      caseSensitive: this.enabled('case sensitive routing'),
      strict: this.enabled('strict routing')
    });

this._router.use(query(this.get('query parser fn')));
    this._router.use(middleware.init(this));
  }
};

/**
 * Dispatch a req, res pair into the application. Starts pipeline processing.
 *
 * If no callback is provided, then default error handlers will respond
 * in the event of an error bubbling through the stack.
 *
 * @private
 */

app.handle = function handle(req, res, callback) {
  var router = this._router;

// final handler
  var done = callback || finalhandler(req, res, {
    env: this.get('env'),
    onerror: logerror.bind(this)
  });

// no routes
  if (!router) {
    debug('no routes defined on app');
    done();
    return;
  }

router.handle(req, res, done);
};

/**
 * Proxy `Router#use()` to add middleware to the app router.
 * See Router#use() documentation for details.
 *
 * If the _fn_ parameter is an express app, then it will be
 * mounted at the _route_ specified.
 *
 * @public
 */

app.use = function use(fn) {
  var offset = 0;
  var path = '/';

// default path to '/'
  // disambiguate app.use([fn])
  if (typeof fn !== 'function') {
    var arg = fn;

while (Array.isArray(arg) && arg.length !== 0) {
      arg = arg[0];
    }

// first arg is the path
    if (typeof arg !== 'function') {
      offset = 1;
      path = fn;
    }
  }

var fns = flatten(slice.call(arguments, offset));

if (fns.length === 0) {
    throw new TypeError('app.use() requires a middleware function')
  }

// setup router
  this.lazyrouter();
  var router = this._router;

fns.forEach(function (fn) {
    // non-express app
    if (!fn || !fn.handle || !fn.set) {
      return router.use(path, fn);
    }

debug('.use app under %s', path);
    fn.mountpath = path;
    fn.parent = this;

// restore .app property on req and res
    router.use(path, function mounted_app(req, res, next) {
      var orig = req.app;
      fn.handle(req, res, function (err) {
        setPrototypeOf(req, orig.request)
        setPrototypeOf(res, orig.response)
        next(err);
      });
    });

// mounted an app
    fn.emit('mount', this);
  }, this);

return this;
};

/**
 * Proxy to the app `Router#route()`
 * Returns a new `Route` instance for the _path_.
 *
 * Routes are isolated middleware stacks for specific paths.
 * See the Route api docs for details.
 *
 * @public
 */

app.route = function route(path) {
  this.lazyrouter();
  return this._router.route(path);
};

/**
 * Register the given template engine callback `fn`
 * as `ext`.
 *
 * By default will `require()` the engine based on the
 * file extension. For example if you try to render
 * a "foo.ejs" file Express will invoke the following internally:
 *
 *     app.engine('ejs', require('ejs').__express);
 *
 * For engines that do not provide `.__express` out of the box,
 * or if you wish to "map" a different extension to the template engine
 * you may use this method. For example mapping the EJS template engine to
 * ".html" files:
 *
 *     app.engine('html', require('ejs').renderFile);
 *
 * In this case EJS provides a `.renderFile()` method with
 * the same signature that Express expects: `(path, options, callback)`,
 * though note that it aliases this method as `ejs.__express` internally
 * so if you're using ".ejs" extensions you don't need to do anything.
 *
 * Some template engines do not follow this convention, the
 * [Consolidate.js](https://github.com/tj/consolidate.js)
 * library was created to map all of node's popular template
 * engines to follow this convention, thus allowing them to
 * work seamlessly within Express.
 *
 * @param {String} ext
 * @param {Function} fn
 * @return {app} for chaining
 * @public
 */

app.engine = function engine(ext, fn) {
  if (typeof fn !== 'function') {
    throw new Error('callback function required');
  }

// get file extension
  var extension = ext[0] !== '.'
    ? '.' + ext
    : ext;

// store engine
  this.engines[extension] = fn;

return this;
};

/**
 * Proxy to `Router#param()` with one added api feature. The _name_ parameter
 * can be an array of names.
 *
 * See the Router#param() docs for more details.
 *
 * @param {String|Array} name
 * @param {Function} fn
 * @return {app} for chaining
 * @public
 */

app.param = function param(name, fn) {
  this.lazyrouter();

if (Array.isArray(name)) {
    for (var i = 0; i < name.length; i++) {
      this.param(name[i], fn);
    }

return this;
  }

this._router.param(name, fn);

return this;
};

/**
 * Assign `setting` to `val`, or return `setting`'s value.
 *
 *    app.set('foo', 'bar');
 *    app.set('foo');
 *    // => "bar"
 *
 * Mounted servers inherit their parent server's settings.
 *
 * @param {String} setting
 * @param {*} [val]
 * @return {Server} for chaining
 * @public
 */

app.set = function set(setting, val) {
  if (arguments.length === 1) {
    // app.get(setting)
    var settings = this.settings

while (settings && settings !== Object.prototype) {
      if (hasOwnProperty.call(settings, setting)) {
        return settings[setting]
      }

settings = Object.getPrototypeOf(settings)
    }

return undefined
  }

debug('set "%s" to %o', setting, val);

// set value
  this.settings[setting] = val;

// trigger matched settings
  switch (setting) {
    case 'etag':
      this.set('etag fn', compileETag(val));
      break;
    case 'query parser':
      this.set('query parser fn', compileQueryParser(val));
      break;
    case 'trust proxy':
      this.set('trust proxy fn', compileTrust(val));

// trust proxy inherit back-compat
      Object.defineProperty(this.settings, trustProxyDefaultSymbol, {
        configurable: true,
        value: false
      });

break;
  }

return this;
};

/**
 * Return the app's absolute pathname
 * based on the parent(s) that have
 * mounted it.
 *
 * For example if the application was
 * mounted as "/admin", which itself
 * was mounted as "/blog" then the
 * return value would be "/blog/admin".
 *
 * @return {String}
 * @private
 */

app.path = function path() {
  return this.parent
    ? this.parent.path() + this.mountpath
    : '';
};

/**
 * Check if `setting` is enabled (truthy).
 *
 *    app.enabled('foo')
 *    // => false
 *
 *    app.enable('foo')
 *    app.enabled('foo')
 *    // => true
 *
 * @param {String} setting
 * @return {Boolean}
 * @public
 */

app.enabled = function enabled(setting) {
  return Boolean(this.set(setting));
};

/**
 * Check if `setting` is disabled.
 *
 *    app.disabled('foo')
 *    // => true
 *
 *    app.enable('foo')
 *    app.disabled('foo')
 *    // => false
 *
 * @param {String} setting
 * @return {Boolean}
 * @public
 */

app.disabled = function disabled(setting) {
  return !this.set(setting);
};

/**
 * Enable `setting`.
 *
 * @param {String} setting
 * @return {app} for chaining
 * @public
 */

app.enable = function enable(setting) {
  return this.set(setting, true);
};

/**
 * Disable `setting`.
 *
 * @param {String} setting
 * @return {app} for chaining
 * @public
 */

app.disable = function disable(setting) {
  return this.set(setting, false);
};

/**
 * Delegate `.VERB(...)` calls to `router.VERB(...)`.
 */

methods.forEach(function(method){
  app[method] = function(path){
    if (method === 'get' && arguments.length === 1) {
      // app.get(setting)
      return this.set(path);
    }

this.lazyrouter();

var route = this._router.route(path);
    route[method].apply(route, slice.call(arguments, 1));
    return this;
  };
});

/**
 * Special-cased "all" method, applying the given route `path`,
 * middleware, and callback to _every_ HTTP method.
 *
 * @param {String} path
 * @param {Function} ...
 * @return {app} for chaining
 * @public
 */

app.all = function all(path) {
  this.lazyrouter();

var route = this._router.route(path);
  var args = slice.call(arguments, 1);

for (var i = 0; i < methods.length; i++) {
    route[methods[i]].apply(route, args);
  }

return this;
};

// del -> delete alias

app.del = deprecate.function(app.delete, 'app.del: Use app.delete instead');

/**
 * Render the given view `name` name with `options`
 * and a callback accepting an error and the
 * rendered template string.
 *
 * Example:
 *
 *    app.render('email', { name: 'Tobi' }, function(err, html){
 *      // ...
 *    })
 *
 * @param {String} name
 * @param {Object|Function} options or fn
 * @param {Function} callback
 * @public
 */

app.render = function render(name, options, callback) {
  var cache = this.cache;
  var done = callback;
  var engines = this.engines;
  var opts = options;
  var renderOptions = {};
  var view;

// support callback function as second arg
  if (typeof options === 'function') {
    done = options;
    opts = {};
  }

// merge app.locals
  merge(renderOptions, this.locals);

// merge options._locals
  if (opts._locals) {
    merge(renderOptions, opts._locals);
  }

// merge options
  merge(renderOptions, opts);

// set .cache unless explicitly provided
  if (renderOptions.cache == null) {
    renderOptions.cache = this.enabled('view cache');
  }

// primed cache
  if (renderOptions.cache) {
    view = cache[name];
  }

// view
  if (!view) {
    var View = this.get('view');

view = new View(name, {
      defaultEngine: this.get('view engine'),
      root: this.get('views'),
      engines: engines
    });

if (!view.path) {
      var dirs = Array.isArray(view.root) && view.root.length > 1
        ? 'directories "' + view.root.slice(0, -1).join('", "') + '" or "' + view.root[view.root.length - 1] + '"'
        : 'directory "' + view.root + '"'
      var err = new Error('Failed to lookup view "' + name + '" in views ' + dirs);
      err.view = view;
      return done(err);
    }

// prime the cache
    if (renderOptions.cache) {
      cache[name] = view;
    }
  }

// render
  tryRender(view, renderOptions, done);
};

/**
 * Listen for connections.
 *
 * A node `http.Server` is returned, with this
 * application (which is a `Function`) as its
 * callback. If you wish to create both an HTTP
 * and HTTPS server you may do so with the "http"
 * and "https" modules as shown here:
 *
 *    var http = require('http')
 *      , https = require('https')
 *      , express = require('express')
 *      , app = express();
 *
 *    http.createServer(app).listen(80);
 *    https.createServer({ ... }, app).listen(443);
 *
 * @return {http.Server}
 * @public
 */

app.listen = function listen() {
  var server = http.createServer(this);
  return server.listen.apply(server, arguments);
};

/**
 * Log error using console.error.
 *
 * @param {Error} err
 * @private
 */

function logerror(err) {
  /* istanbul ignore next */
  if (this.get('env') !== 'test') console.error(err.stack || err.toString());
}

/**
 * Try rendering a view.
 * @private
 */

function tryRender(view, options, callback) {
  try {
    view.render(options, callback);
  } catch (err) {
    callback(err);
  }
}

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