SW Sass Processor

index.js

var fs = require('fs'),
	os = require('os'),
	path = require('path'),
	Hapi = require('hapi'),
	Promise = require('promise'),
	lib = require('./lib.js'),
	sassProcessor = require('./sass_processor.js'),
	pseudoProcessor = require('./pseudo_processor')	;



require('./configurator.js')('./weblauncher.user.json', './weblauncher.json')
	.catch(function(err){
		console.log('SOMETHING WRONG WITH CONFIGURATION'.red);
		return Promise.reject(err);
	})
	.then(function(args){
		run(args);
	})
	.catch(function (err) {
		console.log('ERROR OCCURRED'.red);
		console.log(err.stack || err);
	});


function run(cfg) {
	console.log('\nbackend:\n'.green, cfg.backend.host);
	console.log('config:\n'.green, cfg, '\n');

	pseudoProcessor.run(cfg);
    sassProcessor.run(cfg);

	var pack = new Hapi.Pack();
	var server = pack.server(cfg.port, {
		files: {
			relativeTo: cfg.dirs.src
		}
	});
	var serverStatic = pack.server(cfg.sport, {
		files: {
			relativeTo: cfg.dirs.build
		}
	});

	require('./routes/proxy.js')([server, serverStatic], cfg);

	// Devportal
	require('./routes/desktop/dyn/devportal.js')([server, serverStatic], cfg);

	// ServiceWeb
	require('./routes/desktop/static/static.js')([serverStatic], cfg);

	require('./routes/desktop/dyn/rclibx.js')([server], cfg);
	require('./routes/desktop/dyn/desktop.js')([server], cfg);
	require('./routes/desktop/dyn/assets.js')([server], cfg);
	require('./routes/desktop/dyn/boot.js')([server], cfg);
	require('./routes/desktop/common.js')([server, serverStatic], cfg);

	// MobileWeb
	require('./routes/mobile/dyn/boot.js')([server], cfg);
	require('./routes/mobile/dyn/images.js')([server], cfg);
	require('./routes/mobile/dyn/assets.js')([server], cfg);

	pack.start();
}

sass-processor.js

var path = require('path'),
	exec = require('child_process').exec,
	colors = require('colors'),
    fs = require('fs'),
	os = require('os'),
	_ = require('lodash');


var MODE_COMPILE = 'compile',
	MODE_WATCH = 'watch';

function _progress(msg) {
	var i = 0;
	return function tick() {
		i = (i + 1) % 4;
		var dots = new Array(i + 1).join('.');
		var stdout = process.stdout;
		stdout.clearLine && stdout.clearLine(); //for running under IntelliJ IDEA
		stdout.cursorTo && stdout.cursorTo(0);
		stdout.write && stdout.write(msg + dots);
	};
}

function _getCmd(mode, builderDir, srcDir, force, lang) {
	var cfgPath = path.join(builderDir, 'compass-config.rb');

    // Support old SASS configs
    if (!fs.existsSync(cfgPath)) {
        cfgPath = path.join(builderDir, 'sass_cfg', 'config-' + lang + '.rb');
    }

	return _.template('compass <%= command %> -c <%= config %> --sass-dir=<%= sassDir %> --css-dir=<%= cssDir %> <%= force %>')({
        command: mode,
        config: cfgPath,
        sassDir: srcDir,
        cssDir: srcDir,
        force: force ? '--force' : ''
    });
}

function run(cfg) {
    var mode = cfg.sassOnce ? MODE_COMPILE : MODE_WATCH;
    var cmd = _getCmd(mode, cfg.dirs.builder, cfg.dirs.src, cfg.sassForce, cfg.language);

    exec('compass clean', { cwd: __dirname }, function() { // todo: check it

        console.log('EXECUTING SASS COMMAND:', cmd);

        var child = exec(cmd, {
            cwd: __dirname ,
            env: _.assign({SASS_LOCALE: cfg.language}, process.env)
        });

        var msg = _.template('sass-processor (<%= mode %>) for language=<%= lang %> ')({
                lang: cfg.language,
                mode: mode
            }),
            progressTick = _progress(msg);

        child.stdout.on('data', function (data) {
            progressTick();
        });

        child.on('exit', function (data) {
            console.log(os.EOL + 'DONE: sass compile');
        });

        child.stderr.on('data', function (data) { // error or warning
            console.log(os.EOL + data);
            console.error('SOMETHING OCCURRED DURING SASS-COMPILE'.red);
        });
    });
}

exports.run = run;