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gulpfile.js
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gulpfile.js
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// =====================================================================
// project settings
const src = {
assets: {
css: 'assets/css/**/*.+(scss|sass)',
js: [
'assets/js/*/**/*.js',
'assets/js/*.js',
],
img: 'assets/img/**/*.+(png|jpg|webp|tiff)'
},
dest: {
pub: 'public/',
img: 'public/images/'
}
},
opt = {
css: {
// "sourcemap=none": true,
// noCache: true,
// compass: true,
// style: sassStyle,
// lineNumbers: false,
outputStyle: 'expanded'
},
src: {
base: 'assets/',
sourcemap: true
},
img: {
base: 'assets/img/',
sourcemap: true
}
},
// =====================================================================
// gulp packages
gulp = require('gulp'),
sass = require('gulp-sass')(require('sass')),
minifyJS = require('gulp-terser'),
autoPrefixer = require('gulp-autoprefixer'),
rename = require('gulp-rename'),
delFiles = require('del'),
cssMin = require('gulp-csso'),
concat = require('gulp-concat'),
addHeader = require('gulp-header'),
webp = require('gulp-webp'),
fs = require('fs');
let sources;
function initialize () {
return new Promise(
(resolve, reject) =>
{
fs.readFile(
'assets/sources.json',
'utf-8',
(error, data) =>
{
sources = JSON.parse(data);
resolve();
}
)
}
);
}
// =====================================================================
//clean target directories
function clean() {
return delFiles([
src.dest.pub + 'css/',
sources.js.directory
], {
force: true
});
}
// =====================================================================
// compile SASS/SCSS files into target css public directory
function css() {
return gulp.src(src.assets.css, opt.src)
.pipe(
sass(opt.css)
.on('error', sass.logError)
)
.pipe(autoPrefixer())
.pipe(cssMin())
.pipe(
rename(
{
suffix: '.min'
}
)
)
.pipe(gulp.dest(src.dest.pub));
}
// =====================================================================
// watch css changes
function watch_css() {
return gulp.watch(src.assets.css, css);
}
// =====================================================================
// minifine and put main.js scripts into target directories
function js() {
return gulp.src(sources.js.files)
.pipe(concat(sources.js.name))
.pipe(addHeader('"use strict";\n'))
// .pipe(minifyJS())
.pipe(gulp.dest(sources.js.directory));
}
// =====================================================================
// watch js changes
function watch_js() {
return gulp.watch(src.assets.js, js);
}
// =====================================================================
// converting images into webp
function img() {
return gulp.src(src.assets.img, opt.img)
.pipe(webp({
quality: 100,
method: 6
}))
.pipe(gulp.dest(src.dest.img));
}
function watch_img() {
return gulp.watch(src.assets.img, img);
}
// =====================================================================
// BUILD TASKS
exports.default = gulp.series(
initialize,
clean,
gulp.parallel(
css, js, img
),
gulp.parallel(
watch_css, watch_js, watch_img
)
);