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Trolley

General router for Janet programming language. The main idea is the path and action to which it resolves with params as defined in routes.

Routes

We define routes as a struct with keys which contain path with optional params definition and values which contain actions to which the path resolves.

Example:

{"/" root
 "/home" home
 "/people/:id" people}

Compiling routes

You can compile routes' configuration from the previous part to routing table where keys contain PEG for matching route and values contains action it resolves. This function is mostly for internal or advanced usage of this lib.

Example:

(import trolley)
(trolley/compile-routes 
  {"/" root
   "/home" home
   "/people/:id" people})
=> @{<core/peg 0x559E29164210> :root <core/peg 0x559E29159180> :home}

Id of core/peg differs on your machine.

Router

This function returns routing function from routes definition, which then can be used to match the path and returns action and table with parameters.

Example:

(import trolley)
(def match 
  (trolley/router {"/" root "/home" home "/people/:id" people})) 
(match "/people/3")
=> (people @{:id "3"})

Resolver

This function returns resolving function from routes definition, which then can be used to resolve url path for the action and parameters.

Example:

(import trolley)
(def path-for
  (trolley/resolver {"/" root "/home" home "/people/:id" people})) 
(path-for people @{:id "3"})
=> "/people/3"