lindell / JsBarcode

var header = require('gulp-header');

var clean = require('gulp-clean');

var gulpWebpack = require('webpack-stream');

var webpack = require('webpack');

var babel = require("gulp-babel");

var runSequence = require('run-sequence');

var fs = require('fs');

var settings = require('./settings.json');

var shared = require('./shared.js');

gulp.task("clean", function(){

	return gulp.src(["bin/", "dist/"], {read: false})

		.pipe(clean());

});

gulp.task("babel", function () {

	return babelFunc();

});

function babelFunc(){

	return gulp.src("src/**/*")

		.pipe(babel({

			presets: ['es2015'],

			plugins: [["transform-es2015-classes", {loose: true}]]

		}))

		.pipe(gulp.dest("bin/"));

}

gulp.task("webpack", ["babel"], function () {

	return webpackFunc();

});

function webpackFunc(){

	return gulp.src('bin/JsBarcode.js')

		.pipe(gulpWebpack(

			{

				output: {

					filename: 'JsBarcode.all.js'

				}

			}

		, webpack))

		.pipe(gulp.dest("dist/"));

}

gulp.task("webpack-min", ["babel"], function () {

	return webpackMin('all');

});

function webpackMin(name, dest){

	dest = dest || './';

	return gulp.src('bin/JsBarcode.js')

		.pipe(gulpWebpack(

			{

				output: {

					filename: shared.minifiedFilename(name)

				},

				plugins: [new webpack.optimize.UglifyJsPlugin()]

			}

		, webpack))

		.pipe(header(settings.banner, require(settings.baseDir + 'package.json') ))

		.pipe(gulp.dest("dist/" + dest));

}

gulp.task("webpack-all", function (cb) {

	var barcodes = require('./barcode-building.json');

	// Move the real barcodes/index.js out of the way while compiling the individual barcodes

	fs.renameSync("src/barcodes/index.js", "src/barcodes/index.tmp.js");

	// Take a barcode from the barcodes array, call the functions to compile that

	// format and have a callback when it has finished.

	loopBarcode(0);

});

// Takes information about a barcode formatSize

// Modifies the barcodes/index.js file to only import the specified format

// and then does a recompilation and minifies everything with webpack

function createBarcodeInclude(barcode, callback){

	var toFile = "";

	toFile += "import {" + barcode.names + "} from '" + barcode.barcodeFile + "'";

	toFile += "\n";

	toFile += "export default {" + barcode.names + "}";

	// Write a new barcodes/index file that only includes the specified barcode

	fs.writeFile("src/barcodes/index.js", toFile, function(){

		// Remove the compiled barcodes/index file (if it exist)

		if(fs.existsSync("bin/barcodes/index.js")){

			fs.unlinkSync("bin/barcodes/index.js");

		}

		// Re-compile with babel and webpack everything

		babelFunc().on('end', function(){

			webpackMin(barcode.name, 'barcodes/').on('end', callback);

		});

	});

}

gulp.task('compress', function(cb) {

	runSequence(

		"clean",

		"webpack-all",

		"webpack",

		"webpack-min",

		cb

	);

});

gulp.task('compile', ['babel']);

gulp.task('compile-web', ['webpack']);