gulpfile.js

var gulp = require("gulp");
var mainBowerFiles = require("main-bower-files");
var concat = require("gulp-concat");
var uglifyCSS = require("gulp-uglifycss");
var inject = require("gulp-inject");
var templateCache = require("gulp-angular-templatecache");
var uglify = require("gulp-uglify");
var ngAnnotate = require("gulp-ng-annotate");
var angularFilesort = require("gulp-angular-filesort");
var del = require("del");
var git = require("gulp-git");
var runSequence = require("gulp-run-sequence");
var injectVersion = require("gulp-inject-version");
var bump = require("gulp-bump");
var jsonminify = require("gulp-jsonminify");
var argv = require('yargs').argv;
var babel = require('gulp-babel');

gulp.task("clean", function () {
    return del.sync([
        "dist"
    ]);
});

gulp.task("build-template-cache", function () {
    return gulp.src([
		"./app/**/*.html",
		"!./app/index.html"])
        .pipe(templateCache("app.templates.js", {
            module: "calendarApp"
        }))
        .pipe(gulp.dest("./dist"));
});

gulp.task("build-js", ["build-vendor-js", "build-app-js"]);
gulp.task("build-vendor-js", function () {
    return gulp.src(mainBowerFiles({
        filter: "**/*.js"
    }))
        .pipe(uglify())
        .pipe(concat("vendor.min.js"))
        .pipe(gulp.dest("./dist"));
});

gulp.task("build-app-js", ["build-template-cache"], function () {
    return gulp.src([
		"./app/**/*.js",
		"!./app/bower_components/**"])
        .pipe(ngAnnotate())
        .pipe(babel({
            presets: ['es2015']
        }))
        .pipe(uglify())
		.pipe(angularFilesort())
        .pipe(concat("app.min.js"))
        .pipe(gulp.dest("./dist"));
});

gulp.task("build-css", ["build-vendor-css", "build-app-css"]);
gulp.task("build-vendor-css", function () {
    return gulp.src(mainBowerFiles({
        filter: "**/*.css"
    }))
        .pipe(uglifyCSS())
        .pipe(concat("vendor.min.css"))
        .pipe(gulp.dest("./dist"));
});

gulp.task("build-app-css", function () {
    return gulp.src([
		"./app/**/*.css",
		"!./app/bower_components/**"])
        .pipe(uglifyCSS())
        .pipe(concat("app.min.css"))
        .pipe(gulp.dest("./dist"));
});


gulp.task("build-json", function () {
	return gulp.src([
		"./app/**/*.json",
		"!./app/bower_components/**"
	])
		.pipe(jsonminify())
		.pipe(gulp.dest("./dist"));
});

gulp.task("inject", ["build-js", "build-css", "build-json"], function () {
	return gulp.src("./app/index.html")
		.pipe(inject(gulp.src("./dist/vendor.min.**", { read: false }), { name: "vendor", ignorePath: "dist", addRootSlash: false }))
		.pipe(inject(gulp.src("./dist/app.**", { read: false }), { ignorePath: "dist", addRootSlash: false }))
		.pipe(gulp.dest("./dist"));
});

gulp.task("build", ["clean", "inject"]);

gulp.task("setup", function (done) {
	process.chdir("./dist");
	return git.init(function (err) {
		if (err) throw err;
		return git.checkout("gh-pages", { args: "--orphan" }, function (err) {
			if (err) throw err;
			return git.addRemote("origin", "https://github.com/Tommatheussen/calendar-app.git", function (err) {
				if (err) throw err;
				return git.fetch("origin", "gh-pages", function (err) {
					if (err) throw err;
					return git.exec({ args: "branch --track gh-pages origin/gh-pages" }, function (err, stdout) {
						if (err) throw err;
						done();
					});
				});
			});
		});
	});
});

gulp.task("commit", function () {
	var pjson = require(__dirname + "/package.json");

	return gulp.src("./*")
		.pipe(git.add())
		.pipe(git.commit("New version " + pjson.version));
});

gulp.task("push", function (done) {
	return git.push("origin", "gh-pages", function (err) {
		if (err) throw err;
		process.chdir("..");
		done();
	});
});

gulp.task("bump", function (done) {
	runSequence("bump-v", "inject-v", done);
});

gulp.task("bump-v", function () {
    var type = argv.version || 'patch';
	return gulp.src("./package.json")
		.pipe(bump({ type: type }))
		.pipe(gulp.dest("./"));
});

gulp.task("inject-v", function (done) {
	return gulp.src("./dist/app.templates.js")
		.pipe(injectVersion())
		.pipe(gulp.dest("./dist"));
});

gulp.task("publish", ["build"], function (done) {
	runSequence("bump", "setup", "commit", "push", done);
});