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@andrewfarinella/mapi

mapi

---

A simple RESTful API interface.

Install

NPM

$ npm install @andrewfarinella/mapi --save

Yarn

$ yarn add @andrewfarinella/mapi

Example

import Mapi from '@andrewfarinella/mapi'

const api = new Mapi({
    base: 'http://localhost:8080',
    services: [ 'posts' ]
});

api.posts.get(1)
    .then(response => {
        // Do whatever...
    }).catch(err => {
        // Handle error...
    })

Usage

Import

import mapi from '@andrewfarinella/mapi'

// or

mapi = require('@andrewfarinella/mapi')

mapi setup

const api = mapi({
    base: 'http://localhost:8080',
    headers: [
        ['Authorization', 'MyKeyHere']
    ],
    services: [
        {
            name: 'posts',
            base: '/different-base'
        },
        'comments'
    ]
})

Service setup

Services can be registered either at setup or afterwards using the mapi.registerService() method.

The only required property is name. If base is not supplied, the base will be generated based on the name property.

api = mapi({base: 'http://localhost:8080'})

api.registerService({
  name: 'posts',
    base: '/posts',
    defaultEndpoints: true,
    hasHealthCheck: true,
    healthCheck: {
      method: 'GET',
      endpoint: '/health',
      hasBody: false,
      requiresAuth: false,
      alias: 'health'
    },
    endpoints: [
      {
        method: 'GET',
        endpoint: '/:id?',
        hasParams: true,
        hasBody: false,
        requiresAuth: true,
        alias: 'get'
      },
      {
        method: 'POST',
        endpoint: '/',
        hasParams: false,
        hasBody: true,
        requiresAuth: true,
        alias: 'create'
      },
      {
        method: 'PUT',
        endpoint: '/:id',
        hasParams: true,
        hasBody: true,
        requiresAuth: true,
        alias: 'update'
      },
      {
        method: 'DELETE',
        endpoint: '/:id',
        hasParams: true,
        hasBody: false,
        requiresAuth: true,
        alias: 'delete'
      }
    ],
    services: [
      {
        name: 'new' // Builds to /posts/new
      }
    ]
})

Endpoint setup

Endpoints can be registered when a service is registered or by calling service.registerEndpoint().

While the only required field for endpoints is alias, the endpoint URL will not auto-generate based on the alias property, but instead will default to '/'. This may have unintended side-effects, so it's recommended that an endpoint property always be supplied as well.

api = mapi({base: 'http://localhost:8080', services: ['posts']})

api.posts.registerEndpoint({
  method: 'GET',
  endpoint: '/:id',
  hasParams: true,
  params: [
    {
      slug: 'id',
      pattern: ':id',
      required: true
    }
  ]
  hasBody: false,
  alias: 'get'
})

If no parameters are listed but hasParams is set to true and there is at least one : in the endpoint, mapi will attempt to discover the parameters automatically. If a parameter is not required, it can be indicated by ending it with ? such as /:id?.

Making Calls

When making a call to a registered endpoint, the number of arguments expected depends on the hasParams and hasBody properties.

// hasParams === false && hasBody === false
api.posts.get()
  .then((response => {})).catch(err => {})

// hasParams === true && hasBody === false
api.posts.get(params)
  .then((response => {})).catch(err => {})

// hasParams === false &&& hasBody === true
api.posts.create(body)
  .then((response => {})).catch(err => {})

// hasParams === true &&& hasBody === true
api.posts.update(params, body)
  .then((response => {})).catch(err => {})

Parameters can be passed to the call as either a string, integer, or an object.

// Endpoint has only one parameter, so we can pass it a string/integer

// /posts/:id
api.posts.get(1) // /posts/1

// /posts/:slug
api.posts.get('my-post-slug') // /posts/my-post-slug

// Parameters can also be passed within an object

// /posts/:id/comments/:commentId
api.posts.getComments({
  id: 1,
  commentId: 3
})