@incdevco/framework/lambda/cognito-sync/index.js

node.js lambda framework

var Util = require('util');

var Base = require('../index');

function Lambda(config) {
  'use strict';
  
  Base.call(this, config);
  
  this.handlers = config.handlers || {};
  
}

Util.inherits(Lambda, Base);

Lambda.prototype.handler = function (event, context) {
  'use strict';
  
  var promise = this.Promise.resolve(true), self = this;
  
  this.log('original-event', JSON.stringify(event, null, 2));
  
  if (this.handlers[event.datasetName]) {
    
    promise = this.Promise.try(function () {
      
      return self.handlers[event.datasetName](event);
      
    });
    
  }
  
  promise
  .then(function() {
    
    context.succeed(event);
    
  })
  .catch(function (exception) {
    
    context.fail(exception);
    
  });
  
};

Lambda.prototype.register = function (dataset, handler) {
  'use strict';
  
  this.handlers[dataset] = handler;
  
  return this;
  
};

module.exports = Lambda;