const terser = require('gulp-terser'),
    concat = require('gulp-concat'),
    rename = require('gulp-rename'),
    gulp = require('gulp');

const basePath = __dirname + '/../../raw/worker/';
const config = {
    src: [
        basePath + 'eventHandler.js',
        basePath + 'database.js',
        basePath + 'id3.js',
        basePath + 'app.js',
    ],
    dest: __dirname + '/../../out/js'
};

function build() {
    return gulp.src(config.src)
        .pipe(concat('worker.js'))
        .pipe(gulp.dest(config.dest))
        .pipe(rename('worker.min.js'))
        .pipe(terser())
        .pipe(gulp.dest(config.dest));
}

module.exports.build = build;