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jsender

v0.0.6

Published

Simple and structured application level JSON responses for Express. Based on JSend specification.

Downloads

13

Readme

JSender

Build Status

Simple and structured application level JSON responses for Express. Based on JSend specification (http://labs.omniti.com/labs/jsend).

Installation

npm install jsender

Setup the middleware in your Express app. Before any routes.

var express = require('express')
  , jsender = require('jsender')
  ;

var app = express();

// ... (other middlewares)
app.use(jsender());

app.get('/', function (req, res){
  res.success({
    notice: 'Hello, World!'
  });
});

// JSON Response
// {
//   "status": "success",
//   "data": {
//     "notice": "Hello, World!"
//   }
// }

API

JSender augments the node res object with the following methods.

success(data)

  • data: Optional response data object.
function (req, res){
  res.success({
    notice: 'Hello, World!'
  });
};

// JSON Response
// {
//   "status": "success",
//   "data": {
//     "notice": "Hello, World!"
//   }
// }

fail(data)

  • data: Required failure data.
function (req, res){
  res.fail({
    name: 'Name is required.'
  });
};

// JSON Response
// {
//   "status": "fail",
//   "data": {
//     "name": "Name is required."
//   }
// }

error(message, data, code)

  • message: Required error message.
  • data: Optional error data.
  • code: Optional error code.
function (req, res){
  res.error('Server error.');
};

// JSON Response
// {
//   "status": "error",
//   "message": "Server error."
// }

jsend(err, data)

  • err: An error object or null.
  • data: Optional response data object.
function (req, res){
  books.find()
    .exec(res.jsend);
};

// same as

function (req, res){
  books.find()
    .exec(function (err, data){
      if (err)
        return res.jsend(err);

      res.jsend(null, data);
    });
};