'use strict'; var gulp = require('gulp'); var rename = require('gulp-rename'); var uglify = require('gulp-uglify'); var concat = require('gulp-concat'); var watch = require('gulp-watch'); var files = [ "src/utils.js", "src/box.js", "src/printer.js", "src/paths.js", "src/slicer.js" ]; var destination = 'build/'; gulp.task('default', function () { return gulp.src(files) // .pipe(watch(files)) .pipe(concat('d3d.js')) .pipe(gulp.dest(destination)) .pipe(uglify()) .pipe(rename({extname: '.min.js'})) .pipe(gulp.dest(destination)); });