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gulpfile.js
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gulpfile.js
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'use strict';
const { src, dest, series, parallel, watch } = require('gulp');
const pug = require('gulp-pug');
const sass = require('gulp-sass');
sass.compiler = require('node-sass');
const sourcemaps = require('gulp-sourcemaps');
const browserSync = require('browser-sync').create();
const postcss = require('gulp-postcss');
const del = require('del');
const cssnano = require('cssnano');
const autoprefixer = require('autoprefixer');
// ===============
// COMMON
// ===============
// Constants
const distFolder = './dist';
const srcFolder = './src';
const files = {
styles: {
main: `${srcFolder}/styles/app.scss`,
src: `${srcFolder}/styles/**/*.*`,
dist: `${distFolder}/assets/styles`
},
assets: {
src: `${srcFolder}/assets/**/*.*`,
dist: `${distFolder}/assets/`
},
views: {
src: `${srcFolder}/views/pages/**/*.pug`,
watchs: `${srcFolder}/views/**/*.pug`,
dist: distFolder
}
}
// Clean dist folder before compile files
function cleanDist() {
return del(distFolder);
}
// Move content from 'src/assets' to 'dist/assets' folder
function assetsToDist() {
return src(files.assets.src)
.pipe(dest(files.assets.dist));
}
// Compile pug to html
function compileViews() {
return src(files.views.src)
.pipe(pug())
.pipe(dest(distFolder));
}
function commonTasks() {
return series(
cleanDist,
assetsToDist,
compileViews
);
}
// ===============
// DEVELOPMENT
// ===============
// Compile scss to css and add source map
function devStyles() {
return src(files.styles.main)
.pipe(sourcemaps.init())
.pipe(sass().on('error', sass.logError))
.pipe(sourcemaps.write())
.pipe(dest(files.styles.dist))
.pipe(browserSync.stream());
}
// Start local server, live reload and call others dev tasks
function devServer(cb) {
browserSync.init({
server: distFolder,
open: false
});
watch(files.styles.src, parallel(devStyles));
watch(files.views.watchs, parallel(compileViews))
.on('change', browserSync.reload);
watch(files.assets.src, parallel(assetsToDist));
return cb;
}
// Run development tasks
function devTasks() {
return series(
commonTasks(),
devStyles,
devServer
);
}
// ===============
// PRODUCTION
// ===============
// Compile scss to css, add prefixes and minify.
function prodStyles() {
return src(files.styles.main)
.pipe(sass().on('error', sass.logError))
.pipe(postcss([
autoprefixer(),
cssnano({ preset: 'default' })
]))
.pipe(dest(files.styles.dist));
}
// Run production tasks
function prodTasks() {
return series(commonTasks(), prodStyles);
}
// ====================
// Public tasks
// ====================
exports.devTasks = devTasks();
exports.prodTasks = prodTasks();