node-plan

WORK IN PROGRESS. NOT READY FOR USE.

Execute a complicated dependency graph of tasks with smooth progress events.

Usage

$3

``js

var s3 = require('s3')
, path = require('path');

var s3DowloadTask = {
start: function(done) {
var self = this;
var client = s3.createClient({
key: "s3 key",
secret: "s3 secret",
bucket: "s3 bucket"
});
this.info.bucket = this.settings.s3_bucket;
this.emit('update');
var s3_url = this.context.s3_url;
delete this.context.s3_url;
var ext = path.extname(s3_url);
this.context.temp_path = this.context.makeTemp({
suffix: ext
});
var downloader = client.download(s3_url, this.context.temp_path);
downloader.on('error', done);
downloader.on('progress', function(amount_done, amount_total){
self.info.amount_done = amount_done;
self.info.amount_total = amount_total;
self.emit('progress');
});
downloader.on('end', done);
},
};
`

$3

`js
var Plan = require('planner').Plan;

var plan = new Plan();
plan.addTask(task);
plan.addDependency(task, task2);
plan.on('error', function(err) {
console.log("error:", err);
});
plan.on('progress', function(amountDone, amountTotal) {
console.log("progress", amountDone, amountTotal);
});
plan.on('update', function(task) {
console.log("update", task.info);
});
plan.on('end', function() {
console.log("done");
});
plan.start();
``

Documentation

$3

$3