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https://github.com/JulesGuesnon/LightRouter

💡 LightRouter is a router made for Revery
https://github.com/JulesGuesnon/LightRouter

reason reasonml revery router

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💡 LightRouter is a router made for Revery

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README

        

# :bulb: LightRouter

LightRouter is a Router (pretty obvious right?) for [Revery](https://github.com/revery-ui/revery).

## :zap: Requirements

- The reason native package manager [Esy](https://esy.sh/)

## :wrench: Installation

### Add the module

In the folder of the project, open a terminal and run:

```bash
esy add re-light-router
```

### Add it to dune

In your dune file add `LightRouter` in your `libraries`:

```
(...
(libraries ... LightRouter)
)
```

### Build

Well now you just have to build:

```bash
esy build
```

## :fire: Usage

**There's a complete example in the [example](/example) folder, you can take a look here if you wanna see a full application**

### Create the router

You need to define the configuration of the router and then make one

```reason
/* Router.re */
open LightRouter;

module RouterConfig = {
/* Define your routes */
type route =
| Home
| About
| Error(string);

/* Set de the default one */
let defaultRoute = Home;
};

include Make(RouterConfig);
```

### Use it

Setup the router where you want in your application:

```reason
/* App.re */
open Revery;
open Revery.UI;

let make = () => {
...

switch (route) {
| Home =>
| About =>
| Error(message) =>
}
}
/>
...
}
```

### Change the route

Use the `RouterLink` to redirect in your app:

```reason
/* Home.re */
open Revery;
open Revery.UI;

let make = () => {
...
{
print_endline("Clicked");
true;
}}
style=Style.[...]
>


...
}
```

You probably noticed the `true` at the end of the `onClick`. This boolean allows you to prevent or allow the redirection.

```reason
/* Home.re */
open Revery;
open Revery.UI;

let make = () => {
...
{
print_endline("You will never be redirected");
/* By returning false, it will prevent the redirection */
false;
}}
style=Style.[...]
>


...
}
```

### Retrieve the route in a component

If a component need an information about the route in your app, you can use the `useRoute` hook in order to get the current route and the name of it.

```reason
/* About.re */
open Revery;
open Revery.UI;

let stringOfRoute = route => {...}

let%component make = () => {
let%hook (route, redirect) = Router.useRoute();
...

{
print_endline("Programmatic redirection");
redirect(Home);
}}>


...
}
```

### Retrieve the route outside of a component

You may need the route outside of a component. You can subscribe to the route changes and trigger a callback every time the it changes:

```reason
/* NotAComponent.re */
let callMeOnRouteUpdate = (previousRoute, currentRoute) => {...}

/* Calling `unsubscribe` wont call anymore callMeOnRouteUpdate */
let unsubscribe = Router.subscribe(callMeOnRouteUpdate);
```

### Programmatic redirection outside of component

If you need to redirect the user from a function that is not related to components, it's easy:

```reason
/* Somewhere.re */

let myFunction = () => {
Router.redirect(Home);
}
```