gulp-lazy-pipelines/src/index.js

gulp lazy pipelines for frontend development

const gulp = require('gulp');
const gutil = require('gulp-util');
const tap = require('gulp-tap');
const sourcemaps = require('gulp-sourcemaps');
const buffer = require('gulp-buffer');
const lazypipe = require('lazypipe');
const uglify = require('gulp-uglify');
const rename = require('gulp-rename');
const gif = require('gulp-if');
const browserify = require('browserify');
const stylus = require('gulp-stylus');
const postcss = require('gulp-postcss');
const autoprefixer = require('autoprefixer');
const pug = require('gulp-pug');
const concat = require('gulp-concat');
const babel = require('gulp-babel');

export function buildPipeline(newName, presets='es2015', plugins='') {
		presets = typeof(presets) === 'string' ? [presets] : presets;
		return lazypipe()
	.pipe(sourcemaps.init)
	.pipe(babel, {
			presets: presets,
			plugins: plugins
	})
	.pipe(concat, newName)
	.pipe(sourcemaps.write, '.');
}

export function bundlePipeline(newName, ugly) {
		let pipeline = lazypipe()
			.pipe(tap,  function (file) {
		gutil.log('bundling ' + file.path);
		file.contents = browserify(file.path, {debug: true}).bundle();
			})
			.pipe(buffer)
			.pipe(sourcemaps.init, {loadMaps: true});

		if (newName) {
	pipeline = lazypipe()
			.pipe(pipeline)
			.pipe(rename, newName);
		}

		pipeline = pipeline = lazypipe()
	.pipe(pipeline)
	.pipe(sourcemaps.write,  './');

		return pipeline;
}

export function stylusPipeline(params = {}, newName) {
		let pipeline = lazypipe()
			.pipe(sourcemaps.init)
					.pipe(stylus, params)
					.pipe(postcss, [autoprefixer()]);

		if (newName) {
	pipeline = lazypipe()
			.pipe(pipeline)
			.pipe(rename, newName);
		}

		pipeline = lazypipe()
	.pipe(pipeline)
	.pipe(sourcemaps.write, './');

		return pipeline;
}

export function templatePipeline(params = {}) {
	return lazypipe()
		.pipe(sourcemaps.init)
		.pipe(pug, params)
		.pipe(sourcemaps.write, './');
}