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gulpfile.js
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gulpfile.js
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var gulp = require('gulp'),
util = require('gulp-util'),
rename = require('gulp-rename'),
file = require('gulp-file'),
concat = require('gulp-concat'),
clean = require('gulp-clean'),
sass = require('gulp-sass'),
sourcemaps = require('gulp-sourcemaps'),
uglify = require('gulp-uglify'),
htmlmin = require('gulp-htmlmin'),
purify = require('gulp-purifycss'),
cleanCss = require('gulp-clean-css'),
execFile = require('child_process').execFile,
replace = require('gulp-replace'),
fs = require('fs');
var js = function(name) {
return './resources/assets/js/' + name + '.js';
}, jscomponent = function (name) {
return './vendor/bower_components/' + name + '.js';
}, scss = function(name) {
return './resources/assets/sass/' + name + '.scss';
}, sasscomponent = function(name) {
return './vendor/bower_components/' + name;
}
var production = util.env.production === true;
var paths = {
sass: [ scss('app')
],
js : [ jscomponent('angular/angular')
, jscomponent('angular-resource/angular-resource')
, jscomponent('angular-sanitize/angular-sanitize')
, jscomponent('angular-ui-router/release/angular-ui-router')
, jscomponent('jquery/dist/jquery') // bootstraps javascript requires jQuery
, jscomponent('bootstrap-sass/assets/javascripts/bootstrap/collapse' )
, jscomponent('bootstrap-sass/assets/javascripts/bootstrap')
, jscomponent('satellizer/satellizer')
, jscomponent('ngstorage/ngStorage')
, js('controllers')
, js('controllers/*')
, js('directives')
, js('directives/*')
, js('filters')
, js('filters/*')
, js('services')
, js('services/*')
, js('app') // needs to be last
],
// Live Reload javascript, this only gets written to the public/ directory
// when --production is *not* given
lrjs: [ jscomponent('livereload-js/dist/livereload')
],
tmpl: [ 'resources/views/ng-templates/*.html'
, 'resources/views/ng-templates/forms/*.html'
, 'resources/views/ng-templates/word/*.html'
, 'resources/views/index.php'
]
}
var target_dirs = {
js: './public/js/',
css: './public/css/',
version: './public/',
onepage: './public/'
};
var js_tasks =
production ?
[ 'js-combine'
, 'js-minify'
] :
[ 'js-combine'
, 'js-live-reload'
];
var css_tasks =
production ?
[ 'sass-compile'
, 'css-purify'
, 'css-minify'
] :
[ 'sass-compile'
];
var common_tasks = js_tasks.concat(css_tasks);
var default_tasks = common_tasks.concat(
production ?
[ 'onepage'
] :
[ 'gen-version'
, 'live-reload-server'
]);
gulp.task('default', default_tasks);
gulp.task('js-combine', function() {
return gulp.src(paths.js)
.pipe(sourcemaps.init())
.pipe(concat('app.js'))
.pipe(sourcemaps.write('./'))
.pipe(gulp.dest(target_dirs.js))
});
gulp.task('js-minify', ['js-combine'], function() {
return gulp.src(target_dirs.js + 'app.js')
.pipe(uglify())
.pipe(rename({extname: '.min.js'}))
.pipe(gulp.dest(target_dirs.js));
});
gulp.task('js-live-reload', function() {
return gulp.src(paths.lrjs)
.pipe(gulp.dest(target_dirs.js));
});
gulp.task('sass-compile', function() {
return gulp.src(paths.sass)
.pipe(sourcemaps.init())
.pipe(sass({
outputStyle: 'expanded',
includePaths: [sasscomponent('bootstrap-sass/assets/stylesheets')]
}).on('error', sass.logError))
.pipe(sourcemaps.write('./'))
.pipe(gulp.dest(target_dirs.css));
});
// Removes unused css classes
gulp.task('css-purify', ['sass-compile'], function() {
return gulp.src(target_dirs.css + 'app.css')
.pipe(purify([target_dirs.js + 'app.js'].concat(paths.tmpl), {
info: true
}))
.pipe(rename({extname: '.purified.css'}))
.pipe(gulp.dest(target_dirs.css));
});
gulp.task('css-minify', ['sass-compile', 'css-purify'], function() {
return gulp.src(target_dirs.css + 'app.purified.css')
.pipe(cleanCss({
advanced: true,
agressiveMerging: true,
mediaMerging: true,
keepSpecialComments: '*',
debug: true,
restructuring: true,
sourceMap: false,
rebase: true,
target: 'public' // rebase urls in CSS
}, function(details) {
util.log("Minified CSS by " + Math.round(details.stats.efficiency * 1000) / 10 + "%, " + details.stats.minifiedSize + "/" + details.stats.originalSize + " bytes");
}))
.pipe(rename({extname: '.min.css'}))
.pipe(gulp.dest(target_dirs.css));
});
// Generate a version file. It's contents get added to
// the request url for all asses to bust the cache
gulp.task('gen-version', function() {
return file('version', Date.now() + "", { src: true })
.pipe(gulp.dest(target_dirs.version));
});
// Compiles the whole application into a single .html file
// When lumen is configured to be in production, it serves the file when requesting GET /
gulp.task('onepage', ['js-minify', 'css-minify'], function(done) {
var phpCode = "$_SERVER[\"REQUEST_METHOD\"]=\"GET\";\n$_SERVER[\"REQUEST_URI\"]=\"/\";\n$a=require(\"bootstrap/app.php\");\n$a->run();";
execFile('php', ['-r', phpCode], {
maxBuffer: 4 * 1024 * 1024 /* 4MB */,
env: {'APP_ENV': 'gulp'}
}, function(error, stdout, stderr) {
if(error) {
util.log("cannot request index page for single page minification.");
util.log(error);
util.log(stdout);
return;
}
var inlineEncode = function(str) {
return str.replace(/\$/g, '$$$$')
}
var javascript = inlineEncode(fs.readFileSync(target_dirs.js + 'app.min.js', {encoding: 'utf8'}));
var css = inlineEncode(fs.readFileSync(target_dirs.css + 'app.purified.min.css', {encoding: 'utf8'}));
var htaccess = fs.readFileSync(target_dirs.onepage + '/.htaccess.in');
var cspNonce = Math.random().toString(36).substring(2,10);
file('index.html', stdout, { src: true })
.pipe(htmlmin({
caseSensitive: true, // custom tags, don't modify them because of angular
collapseWhitespace: true,
collapseInlineTagWhitespace: true,
customEventAttributes: [/ng-[a-z0-9]+/],
decodeEntities: true,
html5: true,
ignoreCustomComments: [/^!/],
minifyCSS: false,
minifyJS: false,
minifyURLs: true,
processScripts: ['text/ng-template'],
quoteCharacter: '"',
removeAttributeQuotes: true,
removeComments: true,
removeRedundantAttributes: true,
removeTagWhitespace: true,
sortAttributes: true,
sortClassName: true
}))
.on('error', util.log)
.pipe(replace(/<link [^>]*href=['"]?css\/app[^>]+>/, '<style>/*<!--*/' + css + '/*-->*/</style>'))
.pipe(replace(/<script [^>]*src=['"]?js\/app[^>]+><\/script>/, '<script type="text/javascript" nonce="' + cspNonce + '">/*<!--*/' + javascript + '//--></script>'))
.pipe(gulp.dest(target_dirs.onepage))
.on('end', function() {
file('.htaccess', htaccess, { src: true })
.pipe(replace(/@nonce@/, cspNonce))
.pipe(gulp.dest(target_dirs.onepage))
.on('end', done);
});
});
});
gulp.task('live-reload-server', function() {
var watches = [
target_dirs.js,
target_dirs.css,
'public/img'
];
livereload = require('livereload');
server = livereload.createServer();
util.log('LiveReload server started');
watches.forEach(function(watch) {
util.log('LiveReload is watching ' + watch);
server.watch(__dirname + '/' + watch );
});
});
gulp.task('watch', default_tasks, function() {
gulp.watch(paths.sass, css_tasks);
gulp.watch(paths.js, js_tasks);
});
gulp.task('clean', function() {
return gulp.src(
[ target_dirs.js
, target_dirs.css
, target_dirs.version + 'version'
, target_dirs.onepage + 'index.html'
], { read: false })
.pipe(clean());
});