Thumbnail Node.js mini app

.gitignore

node_modules

readme.md

Thumbnail app

1. Take the screenshot
2. Upload it to an S3 bucket

Install

npm install s3
npm install webshot

Usage

node screen.js http://url/to/my/page

Credits

Created by Makis Tracend ( @tracend )

config.js

// configure
module.exports = {
	aws: {
	  key: "0000_S3_KEY_0000",
	  secret: "0000_S3_SECRET_0000",
	  bucket: "S3_BUCKET"
	}, 
	screenSize: { width: 1024, height: 768 }, 
	delay: 5000,
	path: '/', // this is the path in the S3 bucket where the image will be saved
	filename: false
}

package.json

{
	"name": "thumbnail-app",
	"version": "0.1.0",
	"author": "tracend",
	"contributors": [
		{
		"name": "Makis Tracend",
		"email": "makis@makesit.es"
		}
	],
	"homepage": "http://makesites.org",
	"repository": {
		"type": "git",
		"url": "git://gist.github.com/tracend/5735129.git"
	},
	"bugs": {
		"url": "https://gist.github.com/tracend/5735129"
	},
	"licenses": [
		{
		"type": "MIT",
		"url": "http://makesites.org/licenses/MIT"
		}
	],
	"engines": {
		"node": ">=0.8.x"
	},
	"main": "screen",
	"scripts": {
		"start": "screen.js"
	},
	"dependencies": {
        "s3" : "*", 
        "webshot" : "*"
	}
}

screen.js

// dependencies
var fs = require('fs'), 
	s3 = require('s3'), 
	webshot = require('webshot'),
	config = require('./config');

// createClient allows any options that knox does.
var client = s3.createClient( config.aws );

// pass the URL as a command line argument
var url = process.argv[2];
var file = ( config.filename ) ? config.filename : url.substring(url.lastIndexOf('/')+1)+'.png';

var options = {
	renderDelay: config.delay || 0,
	windowSize: config.screenSize, 
	shotSize	: { width: 'window', height: 'window' }
}

webshot( url, file, options, function(err) {
	// error check? 
	// upload a file to s3
	var uploader = client.upload(file, config.path+file);
	
	uploader.on('error', function(err) {
		console.error("unable to upload:", err.stack);
	});
	uploader.on('end', function(url) {
		// delete local file
		fs.unlink( file );
		console.log("file available at", url);
	});
	
});