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express-promise

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express-promise

An [express.js](http://expressjs.com) middleware for easy rendering async query.

  • 0.1.4
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
834
increased by7.06%
Maintainers
1
Weekly downloads
 
Created
Source

express-promise

An express.js middleware for easy rendering async query.

Build Status

Cases

1. previously

app.get('/users/:userId', function(req, res) {
    User.find(req.params.userId).then(function(user) {
        Project.getMemo(req.params.userId).then(function(memo) {
            res.json({
                user: user,
                memo: memo
            });
        });
    });
});

1. now

app.get('/users/:userId', function(req, res) {
    res.json({
        user: User.find(req.params.userId),
        memo: Project.getMemo(req.params.userId)
    });
});

2. previously

app.get('/project/:projectId', function(req, res) {
    var field = req.query.fields.split(';');
    var result = {};

    var pending = 0;
    if (field.indexOf('people') !== -1) {
        pending++;
        Project.getField(req.params.projectId).then(function(result) {
            result.people = result;
            if (--pending) {
                output();
            }
        });
    }

    if (field.indexOf('tasks') !== -1) {
        pending++;
        Project.getTaskCount(req.params.projectId).then(function(result) {
            result.tasksCount= result;
            if (--pending) {
                output();
            }
        });
    }

    function output() {
        res.json(result);
    }
});

2. now

app.get('/project/:projectId', function(req, res) {
    var field = req.query.fields.split(';');
    var result = {};

    if (field.indexOf('people') !== -1) {
        result.people = Project.getField(req.params.projectId);
    }

    if (field.indexOf('tasks') !== -1) {
        result.tasksCount = Project.getTaskCount(req.params.projectId);
    }

    res.json(result);
});

Install

$ npm install express-promise

Usage

app.use(require('express-promise')());

License

The MIT License (MIT)

Copyright (c) 2013 Zihua Li

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Package last updated on 05 Sep 2013

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