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gulpfile.babel.js
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gulpfile.babel.js
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/* eslint-env node, process */
"use strict";
// Gulp and node
const gulp = require( "gulp" );
const cp = require( "child_process" );
const notify = require( "gulp-notify" );
const size = require( "gulp-size" );
// Basic workflow plugins
const browserSync = require( "browser-sync" );
const browserify = require( "browserify" );
const source = require( "vinyl-source-stream" );
const buffer = require( "vinyl-buffer" );
const clean = require( "gulp-clean" );
const sass = require( "gulp-sass" );
const jekyll = process.platform === "win32" ? "jekyll.bat" : "jekyll";
const messages = {
jekyllBuild: "<span style=\"color: grey\">Running:</span> $ jekyll build"
};
// Performance workflow plugins
const htmlmin = require( "gulp-htmlmin" );
const prefix = require( "gulp-autoprefixer" );
const sourcemaps = require( "gulp-sourcemaps" );
const uglify = require( "gulp-uglify" );
const critical = require( "critical" );
const workboxBuild = require('workbox-build');
// Image Generation
const responsive = require( "gulp-responsive" );
const rename = require( "gulp-rename" );
const imagemin = require( "gulp-imagemin" );
const src = {
css: "_sass/jekyll-sleek.scss",
js: ['_js/scripts.js', '_js/utils.js'],
};
const dist = {
css: "_site/assets/css",
js: "_site/assets/js"
};
function handleErrors() {
var args = Array.prototype.slice.call( arguments );
notify.onError( {
title: "Compile Error",
message: "<%= error.message %>"
} ).apply( this, args );
this.emit( "end" ); // Keep gulp from hanging on this task
}
// SASS
gulp.task( "sass", function() {
return gulp.src( src.css )
.pipe( sourcemaps.init() )
.pipe( sass( {
outputStyle: "compressed",
includePaths: [ "scss" ],
onError: browserSync.notify
} ).on( "error", sass.logError ) )
.pipe( sourcemaps.write( { includeContent: false } ) )
.pipe( sourcemaps.init( { loadMaps: true } ) )
.pipe( prefix() )
.pipe( sourcemaps.write( "./" ) )
.pipe( rename( { basename: "main" } ) )
.pipe( gulp.dest( dist.css ) )
.pipe( browserSync.reload( { stream: true } ) )
.pipe( gulp.dest( "assets/css" ) );
} );
// JS
gulp.task( "js", function() {
return browserify( src.js, { debug: true, extensions: [ "es6" ] } )
.transform( "babelify", { presets: [ "es2015" ] } )
.bundle()
.on( "error", handleErrors )
.pipe( source( "bundle.js" ) )
.pipe( buffer() )
.pipe( sourcemaps.init( { loadMaps: true } ) )
.pipe( uglify() )
.pipe( sourcemaps.write( "./maps" ) )
.pipe( size() )
.pipe( gulp.dest( dist.js ) )
.pipe( browserSync.reload( { stream: true } ) )
.pipe( gulp.dest( "assets/js" ) );
} );
gulp.task( "critical", function( done ) {
critical.generate( {
base: "_site/",
src: "index.html",
css: [ "assets/css/main.css" ],
dimensions: [ {
width: 320,
height: 480
}, {
width: 768,
height: 1024
}, {
width: 1280,
height: 960
} ],
dest: "../_includes/critical.css",
minify: true,
extract: false,
ignore: [ "@font-face" ]
} );
done();
} );
// Minify HTML
gulp.task( "html", function( done ) {
gulp.src( "./_site/index.html" )
.pipe( htmlmin( { collapseWhitespace: true } ) )
.pipe( gulp.dest( "./_site" ) );
gulp.src( "./_site/*/*html" )
.pipe( htmlmin( { collapseWhitespace: true } ) )
.pipe( gulp.dest( "./_site/./" ) );
done();
} );
// Service Worker
gulp.task( "sw", function() {
return workboxBuild.generateSW( {
swDest: "./sw.js",
globDirectory: "_site",
globPatterns: ["**/*.{html,css,png,jpg,svg}"]
} );
} );
// Images
gulp.task( "img", function() {
// Just pass through videos with not supported extensions.
gulp.src(['_video/*.*'], {base: '_video/'})
.pipe(gulp.dest('assets/video'));
// Just pass through icons with not supported extensions.
gulp.src(['_img/icons/*', '!_img/icons/*.{png.jpg}'], {base: '_img/'})
.pipe(gulp.dest('assets/img'));
// Icons with supported extensions are minified.
gulp.src(['_img/icons/*.{png,jpg}'], {base: '_img/'})
.pipe(responsive({
'**/*': {}
}))
.pipe(imagemin())
.pipe(gulp.dest('assets/img'));
return gulp.src( "_img/posts/*.{png,jpg}" )
.pipe( responsive( {
"*": [ // For all the images in the posts folder
{
width: 230,
rename: { suffix: "_placehold" }
},
{ // thubmnail
width: 535,
rename: { suffix: "_thumb" }
},
{ // thumbnail @2x
width: 535 * 2,
rename: { suffix: "_thumb@2x" }
},
{
width: 575,
rename: { suffix: "_xs" }
},
{
width: 767,
rename: { suffix: "_sm" }
},
{
width: 991,
rename: { suffix: "_md" }
},
{
width: 1999,
rename: { suffix: "_lg" }
},
{ // max-width hero
width: 1920
}, {
height: 500,
rename: {suffix: '_goup'}
}
]
},
{
quality: 70,
progressive: true,
withMetadata: false,
errorOnEnlargement: false,
errorOnUnusedConfig: false,
silent: true
} ) )
.pipe( imagemin() )
.pipe( gulp.dest( "assets/img/posts/" ) );
} );
// Build the Jekyll Site
gulp.task( "jekyll-build", function( done ) {
browserSync.notify( messages.jekyllBuild );
return cp.spawn( jekyll, [ "build" ], { stdio: "inherit" } )
.on( "close", done );
} );
// Rebuild Jekyll & do page reload
gulp.task( "rebuild", gulp.series( [ "jekyll-build", "sw" ], function( done ) {
browserSync.reload();
done();
} )
);
gulp.task( "clean", function() {
return gulp.src( "_site", { read: false, allowEmpty: true } )
.pipe( clean() );
} );
gulp.task( "serve", function() {
return browserSync( {
server: {
baseDir: "_site"
}
} );
} );
gulp.task( "styles", gulp.series( [ "sass", "critical" ] ) );
gulp.task( "watch", function() {
gulp.watch( "_sass/**/*.scss", gulp.series( "styles", "sw" ) );
gulp.watch( [
"*.html",
"_layouts/*.html",
"_includes/*.html",
'_elements/*.md',
'_examples/*.md',
'_raw_maps/*.md',
'_data/api.json',
'_includes/*.js',
"_posts/*.md",
"pages_/*.md"
], gulp.series( "rebuild" ) );
gulp.watch( "_js/**/*.js", gulp.series( "js", "sw" ) );
} );
gulp.task( "build", gulp.series( [
"clean",
gulp.parallel( [ "sass", "js", "img" ] ),
"jekyll-build",
"critical",
"sw"
] ) );
gulp.task( "default", gulp.series( [
"build",
gulp.parallel ( [
"serve",
"watch"
] )
] ) );