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gulpfile.babel.js
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gulpfile.babel.js
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'use strict';
import plugins from 'gulp-load-plugins';
import yargs from 'yargs';
import browser from 'browser-sync';
import gulp from 'gulp';
import panini from 'panini';
import rimraf from 'rimraf';
import sherpa from 'style-sherpa';
import yaml from 'js-yaml';
import fs from 'fs';
// Load all Gulp plugins into one variable
const $ = plugins();
const p = require('./package.json');
// Check for --production flag
const PRODUCTION = !!(yargs.argv.production);
// Load settings from settings.yml
const { COMPATIBILITY, PATHS } = loadConfig();
function loadConfig() {
let ymlFile = fs.readFileSync('config.yml', 'utf8');
return yaml.load(ymlFile);
}
// Build production by running all of the below tasks
gulp.task('build',
gulp.series(clean, gulp.parallel(pages, sass, javascript, images, copy, fonts), stamp, buildRevision, buildRevReplace));
// Build development
gulp.task('build-dev',
gulp.series(clean, gulp.parallel(pages, sass, javascript, images, copy, fonts)));
// Build the site, run the server, and watch for file changes
gulp.task('default',
gulp.series('build-dev', server, watch));
// Version Bump
gulp.task('version', gulp.series(version));
// Stamp
gulp.task('stamp', gulp.series(stamp));
// Cache
gulp.task('cache', gulp.series(buildRevision,buildRevReplace));
gulp.task('clean',clean);
// Delete the "dist" folder
// This happens every time a build starts
function clean(done) {
rimraf(PATHS.dist, done);
}
// Copy files out of the assets folder
// This task skips "images", "js", and "sass" folders, which are builded separately
function copy() {
return gulp.src(PATHS.assets)
.pipe(gulp.dest(PATHS.dist));
}
// Only applies for fonts from bower dependencies
// Custom fonts are handled by the "other" task
function fonts(done) {
if (PATHS.fonts && PATHS.fonts.length > 0){
return gulp.src(PATHS.fonts)
.pipe($.filter('**/*.{eot,svg,ttf,woff,woff2}'))
.pipe($.flatten())
.pipe(gulp.dest(PATHS.dist + '/fonts/'));
}else {
done();
}
}
// Copy page templates into finished HTML files
function pages() {
return gulp.src('src/pages/**/*.{html,hbs,handlebars}')
.pipe(panini({
root: 'src/pages/',
layouts: 'src/layouts/',
partials: 'src/partials/',
data: 'src/data/',
helpers: 'src/helpers/'
}))
.pipe($.if(PRODUCTION,$.htmlmin({collapseWhitespace: true})))
.pipe(gulp.dest(PATHS.dist));
}
// Load updated HTML templates and partials into Panini
function resetPages(done) {
panini.refresh();
done();
}
function stamp(){
return gulp.src([
PATHS.dist + '/**/*.html'
])
.pipe($.replace('Meao! -->', `v${p.version} - Meao! -->`))
.pipe(gulp.dest(PATHS.dist));
}
// Generate a style guide from the Markdown content and HTML template in styleguide/
// function styleGuide(done) {
// sherpa('src/styleguide/index.md', {
// output: PATHS.dist + '/styleguide.html',
// template: 'src/styleguide/template.html'
// }, done);
// }
// Compile Sass into CSS
// In production, the CSS is compressed
function sass() {
return gulp.src(PATHS.sassMain)
.pipe($.sourcemaps.init())
.pipe($.sass({
includePaths: PATHS.sass
})
.on('error', $.sass.logError))
.pipe($.cssimport({
includePaths: 'src/assets/css/*.css'
}))
.pipe($.autoprefixer({
browsers: COMPATIBILITY
}))
// Comment in the pipe below to run UnCSS in production
//.pipe($.if(PRODUCTION, $.uncss(UNCSS_OPTIONS)))
.pipe($.if(PRODUCTION, $.cssnano()))
.pipe($.if(!PRODUCTION, $.sourcemaps.write()))
.pipe(gulp.dest(PATHS.dist + '/css'))
.pipe(browser.reload({ stream: true }));
}
// Combine JavaScript into one file
// In production, the file is minified
function javascript() {
return gulp.src(PATHS.javascript)
.pipe($.sourcemaps.init())
.pipe($.babel())
.pipe($.concat('main.js'))
.pipe($.if(PRODUCTION, $.uglify()
.on('error', e => { console.log(e); })
))
.pipe($.if(!PRODUCTION, $.sourcemaps.write()))
.pipe(gulp.dest(PATHS.dist + '/scripts'));
}
// Copy images to the "dist" folder
// In production, the images are compressed
function images() {
return gulp.src('src/assets/images/**/*')
.pipe($.if(PRODUCTION, $.imagemin({
progressive: true
})))
.pipe(gulp.dest(PATHS.dist + '/images'));
}
// Start a server with BrowserSync to preview the site in
function server(done) {
browser.init({
server: PATHS.dist
});
done();
}
// Reload the browser with BrowserSync
function reload(done) {
browser.reload();
done();
}
// Watch for changes to static assets, pages, Sass, and JavaScript
function watch() {
gulp.watch(PATHS.assets, copy);
gulp.watch('src/pages/**/*.html').on('all', gulp.series(pages, browser.reload));
gulp.watch('src/{layouts,partials}/**/*.html').on('all', gulp.series(resetPages, pages, browser.reload));
gulp.watch('src/assets/scss/**/*.scss').on('all', gulp.series(sass, browser.reload));
gulp.watch('src/assets/scripts/**/*.js').on('all', gulp.series(javascript, browser.reload));
gulp.watch('src/assets/images/**/*').on('all', gulp.series(images, browser.reload));
//gulp.watch('src/styleguide/**').on('all', gulp.series(styleGuide, browser.reload));
}
// Basic usage:
function version(){
var options = {
type : 'patch',
};
if (yargs.argv.minor){
options.type = 'minor';
} else if (yargs.argv.major){
options.type = 'major';
} else if (yargs.argv.version){
options = {
version: yargs.argv.version
};
}
return gulp.src('./package.json')
.pipe($.bump(options))
.pipe(gulp.dest('./'));
}
function buildRevision() {
return gulp.src([
PATHS.dist + '/**/*.+(css|js)'
])
.pipe($.rev())
.pipe($.print())
.pipe($.revDeleteOriginal())
.pipe(gulp.dest(PATHS.dist))
.pipe($.rev.manifest())
.pipe(gulp.dest(PATHS.dist));
}
function buildRevReplace() {
var manifest = gulp.src(PATHS.dist + '/rev-manifest.json');
return gulp.src(PATHS.dist + '/**/*.html')
.pipe($.print())
.pipe($.revReplace({ manifest: manifest }))
.pipe(gulp.dest(PATHS.dist));
}