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Often times, your app may have many parts to it that belong in their own route sections. Submounting is the perfect answer for this assuming you don't want to have multiple apps for each section.
Submounting can also be used for more rigorously defining the tree structure of your app. Use whichever one you're more comfortable with. In some cases, you may want to have optional segments as part of your routes, which is easily solvable through one of two ways:. You can have unicode non-ASCII characters in both the literal segments of your paths as well as in the dynamic segments of your path.
By default, the notFound handler passes to the next middleware, which has an opportunity to handle it. If instead of having another middleware handle, you want to handle it yourself, it is quite simple:. Often, you may have a route with parameters that requires data to be pulled down from a database. In the event that the item you are retrieving does not exist, you should be properly returning a Not Found.
Rather than having to replicate the logic of your Not Found handler, you can simply call next which will pass on to the next middleware or your defined Not Found handler. By default, the methodNotAllowed handler returns a to the user with no body, which would not be appropriate in an HTML application.
It might be in a JSON-based app, but that's up to you. For small apps, it's easy to put all your routes inline, but once things get big enough, that can be very troublesome maintenance-wise. Some of you may be wondering how to use Escort's routing framework without having to use Connect. It's not actually required or even used by Escort, it merely provides an interface that Connect accepts. Express is built on top of Connect, but it tends to expect that You'll be using the connect.
This is very easy to overcome, though. First, you'll need to serialize the URL structure of your webapp. This can be done at any point in your app's lifecycle, even in its own exposed route, as long as it occurs after configuration. You'll actually want to concatenate all your scripts as well as minify them when launching your production app, but I'm leaving that part out for clarity. If you find any issues with Escort or have any suggestions or feedback, please feel free to visit the github issues page.
Escort Escort is a middleware for Connect which provides routing and url generation capabilities. Installation The easiest way to install is through npm. Converters Converters provide a way to safely and consistently handle dynamic route parameter consumption and generation.
Submounting Logically divide segments of your app into different route submounts. Case-agnostic but aware Although domains are case-insensitive, URLs are not. Unicode-aware You are fully able to have unicode parts in your URLs without harm, and you register them as if they are normal paths.
Performance concerns Routing tends to be hit every request, since any caching that occurs typically starts inside one's route callback.
Dynamic routes are trickier and Escort has a two-phase approach for consuming them. URL generation Just as one can visit a URL and have it properly route to a callback to run which powers our apps, often we want the reverse: Multiple methods Unlike some other routing libraries, if you wish to bind a URL to multiple methods, it must all be done so at the same time using the bind function.
Multiple methods with the same callback If you'd rather not just call this. Converters For dynamic routes, different converters may be used for each dynamic parameter, each with their own capabilities and options. The default is the string converter, which is used when one is not specified.
Can specify minLength , maxLength , and allowUpperCase. Converts to and from Number. Can specify min , max , and fixedDigits. You merely have to define a function which returns an object that has the following interface: BaseConverter , but it's not necessary. Here is an example converter: Submounting Often times, your app may have many parts to it that belong in their own route sections. There is no performance downside to using submounting, it is merely a configuration nicety.
Optional route segments In some cases, you may want to have optional segments as part of your routes, which is easily solvable through one of two ways: You can provide two distinct routes to bind to: Unicode You can have unicode non-ASCII characters in both the literal segments of your paths as well as in the dynamic segments of your path.
All the URL encoding and decoding is transparently taken care of without issue. If instead of having another middleware handle, you want to handle it yourself, it is quite simple: Data-driven Not Founds Often, you may have a route with parameters that requires data to be pulled down from a database. Based in a residential apartment instead of a commercial storefront. No text in message body. Asian immigrant recently arrived in the US. In reference to a new, non-reviewed provider. Your service level could be different than reported by others.