iwmlib/gulpfile.js

const { src, dest, parallel } = require('gulp')
const uglify = require('gulp-uglify')
const rename = require('gulp-rename')
const concat = require('gulp-concat')
const replace = require('gulp-replace')
const prettier = require('gulp-prettier')

function vendors() {
    return src(
        [
            './node_modules/optimal-select/dist/optimal-select.js',
            './node_modules/hammerjs/hammer.js',
            './node_modules/propagating-hammerjs/propagating.js',
            './node_modules/pixi.js/dist/browser/pixi.js',           
			'./node_modules/pixi-compressed-textures/lib/crn_decomp.js',
            './node_modules/pixi-compressed-textures/dist/pixi-compressed-textures.js',
            './node_modules/pixi-filters/dist/pixi-filters.js',
            './node_modules/pixi-particles/dist/pixi-particles.js',
            './node_modules/pixi-projection/dist/pixi-projection.umd.js',
            './node_modules/gsap/src/uncompressed/TweenMax.js',
            './node_modules/gsap/src/uncompressed/TimelineMax.js',
            './lib/3rdparty/jquery.js',
            './lib/3rdparty/pixi-ease.js',
            './lib/3rdparty/pixi-viewport.js',
            './lib/3rdparty/convertPointFromPageToNode.js',
            './lib/3rdparty/jquery.hypher.js',
            './lib/3rdparty/hyphenation/de.js',
            './lib/3rdparty/hyphenation/en-gb.js'
        ],
        { sourcemaps: false }
    )
        .pipe(concat('iwmlib.3rdparty.js'))
        .pipe(replace(/^\/\/# sourceMappingURL=.*$/gim, ''))
        .pipe(dest('dist', { sourcemaps: false }))
        .pipe(rename({ extname: '.min.js' }))
        .pipe(uglify())
        .pipe(dest('dist', { sourcemaps: false }))
}

function preload() {
    return src(['./node_modules/gsap/src/uncompressed/TweenMax.js', './lib/3rdparty/convertPointFromPageToNode.js'], {
        sourcemaps: false
    })
        .pipe(concat('iwmlib.3rdparty.preload.js'))
        .pipe(replace(/^\/\/# sourceMappingURL=.*$/gim, ''))
        .pipe(dest('dist', { sourcemaps: false }))
        .pipe(rename({ extname: '.min.js' }))
        .pipe(uglify())
        .pipe(dest('dist', { sourcemaps: false }))
}

function prettify() {
    return src(
        ['./lib/*.js', './lib/card/*.js', './lib/pixi/*.js', './lib/pixi/deepzoom/*.js', '!./lib/bootstrap.babel.js'],
        {
            base: './lib'
        }
    )
        .pipe(
            prettier({
                singleQuote: true,
                jsxSingleQuote: true,
                tabWidth: 4,
                semi: false,
                printWidth: 120
            })
        )
        .pipe(dest('./lib'))
}

exports.prettify = prettify
exports.default = parallel(vendors, preload)