gulp_css2js

var gulp = require('gulp');

var rename = require('gulp-rename');

var concat = require('gulp-concat');

var uglify = require('gulp-uglify');

var cssmin = require('gulp-minify-css');

var through = require('through-gulp');

var fs = require('fs');

function gulp_css2js() {

    return through(function (file, enc, cb) {

        if (file.isBuffer()) {

            var cssContents = file.contents;

            cssContents = cssContents.toString();

            cssContents = cssContents.replace(/'/gm, '"');

            var insertStyleCode = '' +

                'function insertStyleCode(styleCode) {' +

                '    var styleNode = document.createElement("style");' +

                '    styleNode.type = "text/css";' +

                '    if (styleNode.styleSheet) { styleNode.styleSheet.cssText = styleCode;' +

                '    } else { styleNode.innerHTML = styleCode;}' +

                '    document.getElementsByTagName("head")[0].appendChild(styleNode);' +

                '}' +

                '';

            var jsContents = '' +

                '(function(){' +

                '   ' + insertStyleCode +

                '   var styleCode = \'' + cssContents + '\' ;' +

                '   insertStyleCode(styleCode);' +

                '})();';

            file.contents = new Buffer(jsContents);

            this.push(file);

            cb();

        } else {

            cb();

        }

    });

}

gulp.task('soma_news_ad_css',function(){

    return gulp.src('./events/soma_news_ad/soma_news_ad.css')

        .pipe(cssmin())

        .pipe(gulp_css2js())

        .pipe(rename('soma_news_ad_css.js'))

        .pipe(gulp.dest('./events/soma_news_ad/dist'));

});

gulp.task('soma_news_ad',['soma_news_ad_css'],function () {

    var jsArray = [

        './events/soma_news_ad/soma_news_ad.js',

        './events/soma_news_ad/dist/soma_news_ad_css.js'

    ];

    return gulp.src(jsArray)

        .pipe(concat('soma_news_ad_pack.js'))

        .pipe(gulp.dest('./events/soma_news_ad/dist'))

        .pipe(rename({suffix: '.min'}))

        .pipe(uglify())

        .pipe(gulp.dest('./events/soma_news_ad/dist'));

});