gulpfile.js

'use strict';

var gulp = require('gulp'),
	browserify = require('browserify'),
	uglify = require('gulp-uglify'),
	source = require('vinyl-source-stream'),
	buffer = require('vinyl-buffer'),
	rename = require('gulp-rename'),
	gulpif = require('gulp-if'),
	sass = require('gulp-sass'),
	pug = require('gulp-pug'),
	copy = require('gulp-copy'),
	sourcemaps = require('gulp-sourcemaps'),
	header = require('gulp-header'),
	isSourcemaps = require('minimist')(process.argv.slice(2)).sourcemaps,
	appVersion = require('./package.json').version;


// LIB
gulp.task('build', function() {
	return browserify({ entries: 'standalone.js', debug: isSourcemaps }).bundle()
		.pipe(source('./granim.js'))
		.pipe(buffer())
		.pipe(gulpif(!isSourcemaps, header('/*! Granim v' + appVersion + ' - https://sarcadass.github.io/granim.js */\n')))
		.pipe(gulp.dest('./dist/'));
});

gulp.task('buildMin', ['build'], function() {
	return gulp.src('./dist/granim.js')
		.pipe(rename({ suffix: '.min' }))
		.pipe(uglify({ preserveComments: 'license' }))
		.pipe(gulp.dest('./dist/'));
});

gulp.task('docDist', ['buildMin'], function() {
	return gulp.src('./dist/granim.min.js')
		.pipe(copy('./docs/assets/js/vendor/', { prefix: 1 }));
});


// DOC
gulp.task('buildDoc:html', function() {
	return gulp.src('./docs/assets/pug/*.pug')
		.pipe(pug({
			pretty: true
		}))
		.pipe(gulp.dest('./docs/'));
});

gulp.task('buildDoc:js', function() {
	return browserify({ entries: './docs/assets/js/app/index.js', debug: isSourcemaps }).bundle()
		.pipe(source('./index.js'))
		.pipe(buffer())
		.pipe(uglify())
		.pipe(rename('script.js'))
		.pipe(gulp.dest('./docs/assets/js/'));
});

gulp.task('buildDoc:css', function() {
	return gulp.src('./docs/assets/css/scss/index.scss')
		.pipe(gulpif(isSourcemaps, sourcemaps.init({ loadMaps: true })))
		.pipe(sass({ outputStyle: 'compressed' })
			.on('error', sass.logError)
		)
		.pipe(gulpif(isSourcemaps, sourcemaps.write({ includeContent: true })))
		.pipe(rename('style.css'))
		.pipe(gulp.dest('./docs/assets/css/'))
});


// TASKS
	// lib
gulp.task('default', ['build', 'buildMin', 'docDist']);

gulp.task('watch', ['default'], function() {
	gulp.watch('./lib/**/*.js', ['default'])
});

	// doc
gulp.task('buildDoc', ['buildDoc:html', 'buildDoc:js', 'buildDoc:css']);

gulp.task('watchDoc', ['buildDoc'], function() {
	gulp.watch('./docs/assets/pug/**/*', ['buildDoc:html']);
	gulp.watch('./docs/assets/js/app/**/*', ['buildDoc:js']);
	gulp.watch('./docs/assets/css/scss/**/*', ['buildDoc:css']);
});