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rc-model

v2.0.4

Published

A JAVASCRIPT LIBRARY FOR BUILDING DATA-DRIVEN REACT APPLICATIONS

Downloads

3

Readme

React Model

npm version Travis build status npm download npm license

A JAVASCRIPT LIBRARY FOR BUILDING DATA-DRIVEN REACT APPLICATIONS

As we know, React has no networking/AJAX features. And you can see in this article: http://andrewhfarmer.com/react-ajax-best-practices/, we have many approach to make an AJAX request in React app.

I like Relay, especially Higher-Order Components pattern but it only works with GraphQL. Then I make a small library based on Relay concept and it works with RESTful backends.

Installation

You'll need both React and React Model:

rc-lazy

Containers

Create a React component with Store decorator:

import React, { Component } from 'react'
import { Xhr, MutationType, Store } from 'rc-model'

Xhr.BASE_URL = '/api'

@Store({
  endpoint: 'system'
})
class MyComponent extends Component {
  render() {
    const { TestData } = this.props.store.data
    return <div>
      <p>{JSON.stringify(TestData)}</p>
    </div>;
  }
}

export default MyComponent

You can setup network layer throught Xhr.BASE_URL. In this case, when you setup Xhr.BASE_URL = '/api', every AJAX requests will call to http://<IP Server>:<Port>/api/

You need to setup the endpoint to make an AJAX request to http://<IP Server>:<Port>/api/<endpoint> throught Container decorator:

@Store({
  endpoint: 'system'
})

The response data will be pushed to this.props.store.data.

In case you want to add some query params, just change the endpoint fragment:

@Store({
  endpoint: {
    name: 'system',
    initialVariables: () => {
      return {
        page: 1,
        size: 20
      }
    }
  }
})

If you want to do something with the response data before it's pushed to props, just add the next function like below:

@Store({
  endpoint: 'system',
  next: response => {
    // Do something with response before return
    return response
  }
})

Mutations

Add mutations fragment into Container decorator, type can be MutationType.POST, MutationType.PUT, MutationType.DELETE.

@Store({
  endpoint: 'system',
  mutations: {
    login: {
      type: MutationType.POST,
      path: 'security/login'
    }
  }
})

As you can see from above, we add login to mutations fragment as a POST request and it will call to http://<IP Server>:<Port>/api/security/login Then you can call login as a function like this:

  handleLogin() {
    this.props.store.login({
      record: {
        Id: "my_id",
        Password: "my_password"
      },
      next: response => {
        console.log(response)
      },
      error: () => {
        console.error('Error!!!')
      }
    })
  }

We pass an object as a parameter into login function with the format:

{
  record:  { ... }, // data to be sent to the server
  next: response => { ... }, // a function to be called if the request succeeds.
  error: response => { ... } // a function to be called if the request fails.
  complete: response => { ... } // a function to be called if the request fails.
}

Handle when Ajax complete

You can register a handler to be called when Ajax requests complete (with an error):

import { Xhr } from 'rc-model'

Xhr.ajaxBefore = () => {
  console.log('Ajax Before')
}

Xhr.ajaxError = (error) => {
  console.log('Ajax Error!!!')
}

Xhr.ajaxComplete = () => {
  console.log('Ajax Complete')
}

License

rc-model is released under the MIT license.