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express-promise

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express-promise

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

  • 0.1.3
  • 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.

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);
});

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Package last updated on 04 Sep 2013

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