node-pipes
A node.js module for Easy chaining operations, a lightweight ETL:
$ npm install node-pipes
Then import it into your project:
//Initilze The Node Pipesvar Pipes = ; //Instancevar pipes = ; //Sample datavar data = name: 'zahir' age: 33 name: 'carlo' age: 30 name: 'David' age: 25 name: 'PA' age: 27 name: 'Cyrille' age: 37 name: 'JB' age: 31 ; //ENJOY WITH PIPES
Simple Handlet
pipes
.streamFrom(data)
.handler(function(message){
//handle each input message
console.log('Current Message', message);
})
.run()
;
Filtrage
pipes
.streamFrom(data)
.filter(function(message){
return message.age >= 30
})
.handler(function(message){
//Only messages that age >= 30 are handled
console.log('Only age >=30', message);
})
.run()
;
Aggregation Computation
pipes
.streamFrom(data)
//Each 3 messages
.aggregate('count:3', function(dataList){
console.log('Count ', dataList, '\n');
})
.run()
;
Windowing
pipes //WINDOWING ;
Streaming Twitter
pipes
.streamFromTwitter({
username: 'your user name',
password: 'your password',
track: '#airbus'
})
.handler(function(tweet){
console.log('received tweet', tweet);
})