YARD (yet another router design)

object-route-map.js

ROUTE(request,
  { head: 'get', put: 'set', patch: 'set', post:'postTo' },
  {
    '/': service,
    '/products': products,
    '/products/:pid': productItems,
    '/session': session,
    '/:collection': collection,
    '/:collection/:item': item
  }
);

var service = {
    get: function(request, response) { }
};

var products = {
    get: function(request, response) { }
};

var productItems = {
    get: function(request, response, pid) { }
};

var session = {
    get: function(request, response) { },
    set: function(request, response) { }
};

var collection = {
    get: function(request, response, cid) { },
    postTo: function(request, response, cid) { }
};

var item = {
    get: function(request, response, cid, iid) { },
    set: function(request, response, cid, iid) { },
    'delete': function(request, response, cid, iid) { }
};

// -- inlined --

ROUTE(request,
  { head: 'get', put: 'set', patch: 'set', 'delete': del },
  {
    '/':                  { get:getService },
    '/products':          { get:getProducts, post:addProduct },
    '/products/:pid':     { get:getProduct, set:setProduct, del:delProduct },
    '/session':           { get:getSession, set:setSession },
    '/:collection':       { get:getCollection, /* ... */ },
    '/:collection/:item': { get:getItem, /* ... */ }
  }
);

// -- name trailers --

ROUTE(request,
  { head: 'get', put: 'set', patch: 'set', post:'postTo' },
  {
    '/': service,
    '/session': session,
    '/products': products,
    '/products/:pid': [products, 'Product'],
    '/:collection': collection,
    '/:collection/:item': [collection, 'Item']
  }
);

var service = {
    get: function(request, response) { }
};

var session = {
    get: function(request, response) { },
    set: function(request, response) { }
};

var products = {
    get: function(request, response) { }
    getProduct: function(request, response, pid) { }
};

var collection = {
    get: function(request, response, cid) { },
    postTo: function(request, response, cid) { },
    getItem: function(request, response, cid, iid) { },
    setItem: function(request, response, cid, iid) { },
    deleteItem: function(request, response, cid, iid) { }
};

// -- another use of name trailers --

MyServer.prototype.handleHttpRequest = function(request, response) {
  ROUTE(request,
    { head: 'get', put: 'set', patch: 'set', post:'postTo' },
    {
      '/': [this, 'Service'],
      '/products': [this, 'Products'],
      '/products/:pid': [this, 'Product'],
    }
  );
};

MyServer.prototype.getService = function(request, response) { };

MyServer.prototype.getProducts = function(request, response) { };

MyServer.prototype.postToProducts = function(request, response) { };

MyServer.prototype.getProduct = function(request, response, pid) { };

MyServer.prototype.setProduct = function(request, response, pid) { };

MyServer.prototype.deleteProduct = function(request, response, pid) { };