[ticket/15403] Add useful gulp methods

PHPBB3-15403

gulpfile.js

@@ -0,0 +1,71 @@
+'use strict';
+
+const del = require('del');
+const gulp = require('gulp');
+const autoprefixer = require('gulp-autoprefixer');
+const sass = require('gulp-sass');
+const rename = require('gulp-rename');
+const sourcemaps = require('gulp-sourcemaps');
+const cssnano = require('gulp-cssnano');
+const postcss = require('gulp-postcss');
+const stylefmt = require('gulp-stylefmt');
+const sorting = require('postcss-sorting');
+const atimport = require('postcss-import');
+const torem = require('postcss-pxtorem');
+const sortOrder = require('./.postcss-sorting.json');
+const pkg = require('./package.json');
+
+// Config
+const build = {
+	css: './phpBB/styles/prosilver/theme/',
+};
+
+const AUTOPREFIXER_BROWSERS = [
+	'> 1%',
+	'last 2 versions'
+];
+
+gulp.task('css', () => {
+	const css = gulp
+	.src(build.css + '*.css')
+	.pipe(autoprefixer(AUTOPREFIXER_BROWSERS))
+	.pipe(
+		postcss([
+			sorting(sortOrder)
+		])
+	)
+	.pipe(stylefmt())
+	.pipe(gulp.dest(build.css));
+
+	return css;
+});
+
+gulp.task('clean', () => {
+	del(['dist']);
+});
+
+gulp.task('minify', () => {
+	const css = gulp
+	.src(build.css + '/bidi.css')
+	.pipe(sourcemaps.init())
+	.pipe(
+		postcss([
+			atimport()
+		])
+	)
+	.pipe(cssnano())
+	.pipe(rename({
+		suffix: '.min',
+		extname: '.css'
+	}))
+	.pipe(sourcemaps.write('./'))
+	.pipe(gulp.dest(build.css));
+
+	return css;
+});
+
+gulp.task('watch', () => {
+	gulp.watch('phpBB/styles/prosilver/theme/*.css', ['css']);
+});
+
+gulp.task('default', ['css', 'watch']);