dlueth/qoopido.nucleus

var id         = 'dist',
    gulp       = require('gulp'),
    pump       = require('pump'),
    del        = require('del'),
    path       = require('path'),
    plugins    = require('gulp-load-plugins')(),
    livereload = require('gulp-livereload'),
    config     = require('../config'),
    settings   = config.tasks[id];

function watch() {
    livereload.listen();

    return gulp.watch(settings.watch, gulp.series(id + ':lint', id + ':build'))
        .on('unlink', function(file) {
            /*
            var relpath  = path.relative(path.resolve('src'), file),
                resolved = path.resolve('build', relpath);

            console.log(file, relpath, resolved);
            */
            //del.sync(resolved);
        });
}

function lint() {
    return gulp.src(settings.watch)
        .pipe(plugins.eslint())
        .pipe(plugins.eslint.format())
        .pipe(plugins.eslint.failAfterError())
        .pipe(plugins.size(config.settings.size));
}

function clean() {
    return del(settings.clean, { force: true });
}

function build(done) {
    pump([
        gulp.src(settings.process || settings.watch),
        // beautify
        plugins.include(config.settings.include),
        plugins.injectVersion({ prepend: '', replace: '{{package.version}}' }),
        // generate minified
        plugins.sourcemaps.init({ largeFile: true }),
        plugins.terser({
            ecma: 5,
            compress: {
                'passes':  5,
                'typeofs': false
            }
        }),
        plugins.header(config.banner),
        plugins.chmod(config.permissions),
        plugins.size(config.settings.size),
        plugins.sourcemaps.write('.'),
        gulp.dest(settings.dest),
        plugins.touchFd()
    ], function() {
        livereload.reload();
        done();
    });
}

gulp.task(id + ':watch', watch);
gulp.task(id + ':lint', lint);
gulp.task(id + ':clean', clean);
gulp.task(id + ':build', build);
gulp.task(id, gulp.series(id + ':lint', id + ':clean', id + ':build'));