.routes
The routes feature allows a custom hook to easily bind new routes to a Sails app at load time. If implemented, routes should be an object with either a before key, an after key, or both. The values of those keys should in turn be objects whose keys are route addresses, and whose values are route-handling functions with the standard (req, res, next) parameters. Any routes specified in the before object will be bound before custom user routes (as defined in sails.config.routes and blueprint routes. Conversely, routes specified in the after object will be bound after custom and blueprint routes. For example, consider the following count-requests hook:
module.exports = function (sails) {
// Declare a var that will act as a reference to this hook.
var hook;
return {
initialize: function(cb) {
// Assign this hook object to the `hook` var.
// This allows us to add/modify values that users of the hook can retrieve.
hook = this;
// Initialize a couple of values on the hook.
hook.numRequestsSeen = 0;
hook.numUnhandledRequestsSeen = 0;
// Signal that initialization of this hook is complete
// by calling the callback.
return cb();
},
routes: {
before: {
'GET /*': function (req, res, next) {
hook.numRequestsSeen++;
return next();
}
},
after: {
'GET /*': function (req, res, next) {
hook.numUnhandledRequestsSeen++;
return next();
}
}
}
};
};
This hook will process all requests via the function provided in the before object, and increment its numRequestsSeen variable. It will also process any unhandled requests via the function provided in the after object—that is, any routes that aren't bound in the app via a custom route configuration or a blueprint.
The two variables set up in the hook will be available to other modules in the Sails app as
sails.hooks["count-requests"].numRequestsSeenandsails.hooks["count-requests"].numUnhandledRequestsSeen
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