Sparouter

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Table of Contents

• SPARouter
• Installation
• Basic Usage
  • Examples
• Query Parameters
  • Example
• API

SPARouter

SPARouter is a very light-weight javascript plugin basically for routing front-end for single page applications. SPARouter allows you to create routes in your front-end whether it is a Single Page Application or not and pass function you would want to execute if these routes are matched.

Installation

You can install SPARouter by hosting it locally or by cdn

• via npm
  npm install @kodnificent/sparouter
• via cdn
  Include this code just before the closing head tag of your html page

For develpment use only
<script src="https://unpkg.com/@kodnificent/sparouter@1.1.0/dist/sparouter.js"></script>

For production use
<script src="https://unpkg.com/@kodnificent/sparouter@1.1.0/dist/sparouter.min.js"></script>

Basic Usage

Use SPARouter through these easy steps.

• first create a new instance of the SPARouter class by passing options to it.
• Call the router.get() method for each route and add it's callback function to it.
• Call router.notFoundHandler() to add a callback function it no route was matched. i.e 404 handler
• Finally call the router.init() to initialize the router.

Examples

import SPARouter from "@kodnificent/sparouter"; // if you are hosting locally
const options = {
historyMode : true // set this to true if you use the HTML5 history mode API
}
const router = new SPARouter(options);

router.get("/", function(req, router){

console.log(`Welcome to my home page! The request url is ${req.url}`);
//outputs: Welcome to my home page! The request url is /

}).setName("home");

router.get("/user/{username}", function(req, router){

console.log(`Showing profile for ${req.param.username}. To go back home click <a href="${router.pathFor("home")}">here</a>`);
// if url is /user/victor
//ouputs: Showing profile for victor. To go back home click <a href="/">here</a> 

}).setName("user-profile");

router.notFoundHandler(function(){

console.log("oops! the page you are looking for is probably eaten by a snake");
// if user navigates to /wrong-page
//outputs: oops! the page you are looking for is probably eaten by a snake

});
router.init();

Query Parameters

From version 1.1.0, you can now utilize the router.query object which stores the url search query params.
The router.query object can be accessed from outside the callback function or inside it.

Example

// let's assume the user navigated to http://mysite.com/search-page?q=book%20store&books=harry%potter,wizard%20%of%20oz
router.get('/search-page', function(req, router){
     router.query.get('q'); // outputs: book store
     router.query.has('books'); // outputs: true
     router.query.getAll('books'); // outputs: ["harry porter", "wizard of oz"]
});

API

The full API documentation can be found here.