At the end of my last post about Grunt I mentioned that I will be adding code to concatenate the javascript, compress the images and also tidy the code up abit. I have now done this ….
Javascript
I moved all of the javascript to a folder called _js and then set up the following ….
js: {
src: [
‘_js/jquery.min.js’, ‘_js/jquery.plugin.min.js’, ‘js/bootstrap.min.js’, ‘_js/jquery.flexslider-min.js’, ‘_js/smooth-scroll.min.js’,’ _js/skrollr.min.js’, ‘_js/twitterFetcher_v10_min.js’, ‘_js/spectragram.min.js’, ‘_js/scrollReveal.min.js’, ‘_js/isotope.min.js’, ‘_js/lightbox.min.js’, ‘_js/jquery.countdown.min.js’, ‘_js/scripts.js’
],
dest: ‘js/main.js’
}
As you can see I am having to merge the javascript in a certain order, I tried using src: [‘_js/*’] but this broke a lot of the site.
Now I have all of the javascript in a single file which works I can compress it using Uglify ….
uglify: {
options: {
banner: ‘/*! <%= pkg.name %> <%= grunt.template.today(“dd-mm-yyyy”) %> */\n’
},
my_target: {
files: {
‘js/main.min.js’: [‘js/main.js’]
}
}
},
I then created a task to put it all together ….
grunt.registerTask(‘js’, [‘concat:js’, ‘uglify’]);
as well as adding the _js and tasks to the watch section of my Gruntfile.js.
Images
I use the TinyPNG Photoshop plug-in to export the headers and other images so most of the graphics on the site are already quite compressed, however to ensure that everything is as optimised as possible I added the following ….
imgcompress: {
dist: {
options: {
optimizationLevel: 7,
progressive: true
},
files: [{
expand: true,
cwd: ‘img/’,
src: ‘{,*/}*.{png,jpg,jpeg}’,
dest: ‘img/’
}]
}
},
svgmin: {
dist: {
files: [{
expand: true,
cwd: ‘img/’,
src: ‘{,*/}*.svg’,
dest: ‘img/’
}]
}
},
as the site has a lot of image files Newer was used to files are only processed if they have been changed or haven’t been processed. I added the following task ….
grunt.registerTask(‘images’, [‘newer:imgcompress’, ‘newer:svgmin’]);
However, for the moment I have left it out of the watch list as it can take a little while to execute.
Full files
This now means my Gruntfile.js looks like ….
module.exports = function(grunt) {
grunt.initConfig({
pkg: grunt.file.readJSON(‘package.json’),
less: {
development: {
options: {
compress: true,
yuicompress: true,
optimization: 2
},
files: {
“_css/main.css”: “_less/main.less”
}
}
},
concat: {
css: {
src: [
‘_css/*’
],
dest: ‘css/main.css’
},
js: {
src: [
‘_js/jquery.min.js’, ‘_js/jquery.plugin.min.js’, ‘js/bootstrap.min.js’, ‘_js/jquery.flexslider-min.js’, ‘_js/smooth-scroll.min.js’,’ _js/skrollr.min.js’, ‘_js/twitterFetcher_v10_min.js’, ‘_js/spectragram.min.js’, ‘_js/scrollReveal.min.js’, ‘_js/isotope.min.js’, ‘_js/lightbox.min.js’, ‘_js/jquery.countdown.min.js’, ‘_js/scripts.js’
],
dest: ‘js/main.js’
}
},
cssmin: {
css: {
src: ‘css/main.css’,
dest: ‘css/main.min.css’
}
},
uglify: {
options: {
banner: ‘/*! <%= pkg.name %> <%= grunt.template.today(“dd-mm-yyyy”) %> */\n’
},
my_target: {
files: {
‘js/main.min.js’: [‘js/main.js’]
}
}
},
jekyll: {
options: {
src: ‘.’
},
dist: {
options: {
dest: ‘./_site’,
config: ‘_config-dev.yml’
}
}
},
imgcompress: {
dist: {
options: {
optimizationLevel: 7,
progressive: true
},
files: [{
expand: true,
cwd: ‘img/’,
src: ‘{,*/}*.{png,jpg,jpeg}’,
dest: ‘img/’
}]
}
},
svgmin: {
dist: {
files: [{
expand: true,
cwd: ‘img/’,
src: ‘{,*/}*.svg’,
dest: ‘img/’
}]
}
},
watch: {
options: {
livereload: true,
},
css: {
files: [‘_css/*’, ‘_less/*’],
tasks: [‘less’, ‘concat:css’, ‘cssmin:css’, ‘jekyll’]
},
js: {
files: [‘_js/*’],
tasks: [‘concat:js’, ‘uglify’, ‘jekyll’]
},
html: {
files: [‘*.html’, ‘_includes/*.html’, ‘_layouts/*.html’, ‘_posts/*’, ‘*.yml’, ‘img/*’],
tasks: [‘jekyll’],
options: {
spawn: false,
}
}
},
connect: {
server: {
options: {
port: 8000,
base: ‘./_site’
}
}
},
});
require(‘load-grunt-tasks’)(grunt);
grunt.registerTask(‘default’, [‘concat:js’, ‘uglify’, ‘less’, ‘concat:css’, ‘cssmin:css’, ‘jekyll’, ‘connect’, ‘watch’]);
grunt.registerTask(‘css’, [‘less’, ‘concat:css’, ‘cssmin:css’]);
grunt.registerTask(‘js’, [‘concat:js’, ‘uglify’]);
grunt.registerTask(‘server’, [‘connect’, ‘watch’]);
grunt.registerTask(‘images’, [‘newer:imgcompress’, ‘newer:svgmin’]);
};
And the package.json file ….
{
“name”: “mediaglasses”,
“version”: “0.0.1”,
“description”: “The Media Glasses Jekyll site”,
“author”: “Russ McKendrick <[email protected]>”,
“homepage”: “http://media-glass.es/",
“license”: “”,
“devDependencies”: {
“grunt”: “~0.4.5”,
“grunt-contrib-concat”: “*”,
“grunt-contrib-cssmin” : “*”,
“grunt-contrib-watch” : “*”,
“grunt-contrib-less”: “*”,
“grunt-jekyll”: “*”,
“grunt-contrib-connect”: “*”,
“grunt-contrib-uglify”: “*”,
“grunt-contrib-imagemin”: “*”,
“grunt-svgmin”: “*”,
“grunt-imgcompress”: “*”,
“grunt-newer”: “*”,
“load-grunt-tasks”: “*”
}
}