Protractor screenshots

onPrepare.js

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

afterEach(function(){
	var passed = jasmine.getEnv().currentSpec.results().passed();
	// Replace all space characters in spec name with dashes
	var specName = jasmine.getEnv().currentSpec.description.replace(/ /g, '-'),
		baseFileName = specName,
		screenshotsDir = path.resolve(__dirname + '../screenshots/');

	if (!passed) {
		// Create screenshots dir if doesn't exist
		if (!fs.existsSync(screenshotsDir)) {
			fs.mkdirSync(screenshotsDir);
		}

		var file = path.resolve(screenshotsDir + '/' + baseFileName + '.png');
		browser.takeScreenshot().then(function (png) {
			console.log('Writing file ' + file);
			fs.writeFileSync(file, png, {encoding: 'base64'}, console.log);
		}, console.log);
	}
});