API Service

Simple http service / api wrapper for client-side JavaScript or Node.js. This class helps you creating collections of api-resources with an intuitive and simple api.

Setup

npm install api-service

Simple usage

var Service = require('api-service');

var myApiWrapper = new Service('http://localhost/api')

    // Add users endpoints
    .add('users.list', { method: 'get', route: '/users' })
    .add('users.signup', { method: 'post', route: '/users/signup' })
    .add('users.get.byId', { method: 'get', route: '/users/:id' })
    .add('users.get.byUsername', { method: 'get', route: '/users/username/:username' })

    // Add posts endpoints
    .add('posts.save', { method: 'post', route: '/posts' })
    .add('posts.list', { method: 'get', route: '/posts' })
    .add('posts.get.byId', { method: 'get', route: '/posts/:id' })
    .add('posts.delete', { method: 'delete', route: '/posts/:id' })

    // Add a middleware function that sets authorization header to request
    .use(function (req, next) {
        if (token) {
            req.setRequestHeader('Authorization', token);
        }

        next();
    });

// GET /users
myApiWrapper.users.list()
.then(function (res) {
    var users = res.body;
}, function (res) {
   var error = res.body;
});

// GET /users?q=foo
myApiWrapper.users.list({}, { q: 'foo' })
.then(function (res) {
    var users = res.body;
});


// POST /posts with payload
myApiWrapper.posts.save({ title: 'Foo bar', text: 'Some text...' })
.then(function (res) {
    var success = res.body.success;
}, function (res) {
   var error = res.body;
});

// DELETE /posts/some_id
myApiWrapper.posts.save({ id: 'some_id' })
.then(function (res) {
    var success = res.body.success;
}, function (res) {
   var error = res.body;
});

Service

This class is used to group and organise instances of the api-resource class. Service instances are also event-emitters and they will propagate all events sent by any of their Resource children.

Constructor

• baseUrl (String) Service base URL (E.g. 'http://www.my-api.com') - without / at the end

Events

The events propagated by this class are documented in the Resource readme.

Methods

• .add(namespace, [ options ]) Add an endpoint to the service. This will be an instance of Resource pass the options to its constructor
• .use(middleware) Add a middleware function to the resource. The function will be called on the Resource instance and receive as arguments the XMLHttpRequest request instance and the next function to proceed.

Test

Tests are currently written on server-side only. Run npm install and npm test to test.

Contribution

Contributions are welcome as long as documented and tested.

License

Copyright (c) 2014 Kano Computing Ltd. - Released under the MIT license