composr-core

4.0.1 • Public • Published

CompoSR Core


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js-standard-style

The core package for Corbel's Composr. NPM page

Usage

npm install --save composr-core

Read:

What are Phrases or Snippets?

Setup for fetching remote data from Corbel

var composr = require('composr-core');
 
var options = {
  credentials: {
    clientId: 'demo',
    clientSecret: 'demo',
    scopes: 'demo'
  },
  urlBase: 'https://remote-corbel.com',
  timeout: 3000
};
 
//Trigger the load of data from the "remote corbel"
composr.init(options)
  .then(function() {
    //Ready to go
  });

Setup with local data

var composr = require('composr-core');
 
//Register phrases (Returns a promise)
var phrasesLoaded = composr.Phrase.register(domain, phrases);
 
//Register snippets (Returns a promise)
var snippetsLoaded = composr.Snippet.register(domain, snippets);
 
Promise.all([phrasesLoaded, snippetsLoaded])
  .then(function(){
    //Ready to go
  });

Suscribe to log events

//Suscribe to core log events (Optional)
composr.events.on('debug', 'myProject', function(){
    console.log.apply(console, arguments);
});
 
composr.events.on('info', 'myProject', function(){
    console.info.apply(console, arguments);
});
 
composr.events.on('warn', 'myProject', function(){
    console.warn.apply(console, arguments);
});
 
composr.events.on('warn', 'myProject', function(){
    console.warn.apply(console, arguments);
});

Phrases execution

Standalone execution

It will use internal "mocked" req, res, next objects

var path = '/user/1231/test';
var method = 'get'; //get, post, put, delete
var params = {
  timeout: 10000
};
 
composr.Phrase.runByPath(domain, url, method, params, function(err, response){
   //if err, phrase missing
   //response.status, response.body
  });

Tunneling "restify" req, res, next

var path = '/user/1231/test';
var method = 'get'; //get, post, put, delete
var params = {
  req: req,
  res: res,
  timeout: 10000
};
 
composr.Phrase.runByPath(domain, url, method, params, function(err, response){
   //if err, phrase missing
   //response.status, response.body
  });

Phrase parameters

Using mocked handlers

You can send an object containing the request headers and other for the body. Use params if you don't want to extract the params from the url or if you are using composr.Phrase.runByID

var headers = {
  'Authorization' : 'Token'
};
 
var body = {
  'name' : 'test'
};
 
var params = {
  'user' : '123'
};
 
var query = {
  'foo' : 'bar'
};
 
var params = {
  headers,
  body,
  query,
  params
}

Using restify handlers

Whoa, just execute your dinamics endpoints.

var params = {
  req,
  res,
  next
}

Injecting a custom corbel-js driver instance

var params = {
  corbelDriver
}

Phrase execution timeout

var params = {
  timeout: 10000 //miliseconds
}

Other parameters

var params = {
  domain,
  functionMode : false, //In case you want to execute phrases inside vm contexts (memory intensive)
}

Restify example

router.get('/user/me', function(req, res, next) {
  var params = {
    req: req,
    res: res,
    next: next,
    timeout: 10000 
  };
 
  var uid = req.get('User-ID')//for example
 
  composr.Phrase.runByPath(domain, 'userdetail/' + uid, 'get', params, 
    function(err, response){
      //Executed and already sent to client.
    });
});

Debugging phrases

When registering some phrase models, pass the url to the "code" file in order to allow vm.Script to find the reference:

phraseModel.debug = {
  'get' : '/myAbsolute/path/phrase.code.js'
};
 
composr.Phrase.register(phraseModel);

Later on, from your project, you can launch node-inspector debug and add breackpoints in the phrase.code.js file.

API

composr.Phrase.validate

composr.Phrase.compile

composr.Phrase.register

composr.Phrase.unregister

composr.Phrase.runById

composr.Phrase.runByPath

composr.Phrase.getPhrases

composr.Phrase.getById

composr.Phrase.getByMatchingPath

composr.Snippet.validate

composr.Snippet.compile

composr.Snippet.register

composr.Snippet.unregister

composr.Snippet.runByName

composr.Snippet.getByName

composr.Snippet.getSnippets

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Install

npm i composr-core

Weekly Downloads

4

Version

4.0.1

License

ISC

Last publish

Collaborators

  • rafinskipg