Jakefile.js

var build = require('./build/build.js'),
	lint = require('./build/hint.js'),
	fs = require('fs');

var COPYRIGHT = fs.readFileSync('src/copyright.js', 'utf8');

desc('Check Raphael Layer source for errors with JSHint');
task('lint', function() {
	var files = build.getFiles();

	console.log('Checking for JS errors...');

	var errorsFound = lint.jshint(files);

	if(errorsFound > 0) {
		console.log(errorsFound + ' error(s) found.\n');
		fail();
	} else {
		console.log('\t No errors found.');
	}
});

desc('Combine and compress Raphael Layer source files');
task('build', ['lint'], function(compsBase32, buildName) {
	var pathPart = 'dist/rlayer' + (buildName ? '-' + buildName : ''),
		srcPath = pathPart + '-src.js',
		path = pathPart + '.js';

	var files = build.getFiles(compsBase32);

	console.log('Concatenating ' + files.length + ' files...');

	var content = build.combineFiles(files);

	var oldSrc = build.load(srcPath),
		newSrc = COPYRIGHT + content,
		srcDelta = build.getSizeDelta(newSrc, oldSrc);

	console.log('\tUncompressed size: ' + newSrc.length + ' bytes (' + srcDelta + ')');

	if(newSrc == oldSrc) {
		console.log('\tNo changes.');
	} else {
		build.save(srcPath, newSrc);
		console.log('\tSaved to ' + srcPath);
	}

	console.log('Compressing...');

	var oldCompressed = build.load(path),
		newCompressed = COPYRIGHT + build.uglify(content),
		delta = build.getSizeDelta(newCompressed, oldCompressed);

	console.log('\tCompressed size: ' + newCompressed.length + ' bytes (' + delta + ')');

	if(newCompressed === oldCompressed) {
		console.log('\tNo changes.');
	} else {
		build.save(path, newCompressed);
		console.log('\tSaved to ' + path);
	}
});

task('default', ['build']);