var gulp = require('gulp'), minifycss = require('gulp-minify-css'), concat = require('gulp-concat'), less = require('gulp-less'), gulpif = require('gulp-if'), order = require('gulp-order'), gutil = require('gulp-util'), rename = require('gulp-rename'), foreach = require('gulp-foreach'), debug = require('gulp-debug'), path =require('path'), merge = require('merge-stream'), del = require('del'), size = require('gulp-size'), plumber = require('gulp-plumber'), autoprefixer = require('gulp-autoprefixer'), jshint = require('gulp-jshint'), inject = require('gulp-inject'), cache = require('gulp-cache'), ngAnnotate = require('gulp-ng-annotate'), csso = require('gulp-csso'), useref = require('gulp-useref'), filter = require('gulp-filter'), rev = require('gulp-rev'), revReplace = require('gulp-rev-replace'), imagemin = require('gulp-imagemin'), minifyHtml = require('gulp-minify-html'), bowerFiles = require('main-bower-files'), replace = require('gulp-replace-task'); gulp.task('default', ['clean'], function () { gulp.start('fonts', 'styles'); }); gulp.task('clean', function (cb) { del(['.tmp', 'lemur/static/dist'], cb); }); gulp.task('dev:fonts', function () { var fileList = [ 'lemur/static/app/vendor/bower_components/bootstrap/dist/fonts/*', 'lemur/static/app/vendor/bower_components/fontawesome/fonts/*' ]; return gulp.src(fileList) .pipe(gulp.dest('.tmp/fonts')); }); gulp.task('dev:styles', function () { var baseContent = '@import "lemur/static/app/vendor/bower_components/bootstrap/less/bootstrap.less";@import "lemur/static/app/vendor/bower_components/bootswatch/$theme$/variables.less";@import "lemur/static/app/vendor/bower_components/bootswatch/$theme$/bootswatch.less";@import "lemur/static/app/vendor/bower_components/bootstrap/less/utilities.less";'; var isBootswatchFile = function (file) { var suffix = 'bootswatch.less'; return file.path.indexOf(suffix, file.path.length - suffix.length) !== -1; }; var isBootstrapFile = function (file) { var suffix = 'bootstrap-', fileName = path.basename(file.path); return fileName.indexOf(suffix) === 0; }; var fileList = [ 'lemur/static/app/styles/lemur.css', 'lemur/static/app/vendor/bower_components/bootswatch/sandstone/bootswatch.less', 'lemur/static/app/vendor/bower_components/fontawesome/css/font-awesome.css', 'lemur/static/app/vendor/bower_components/angular-spinkit/src/angular-spinkit.css', 'lemur/static/app/vendor/bower_components/angular-chart.js/dist/angular-chart.css', 'lemur/static/app/vendor/bower_components/angular-loading-bar/src/loading-bar.css', 'lemur/static/app/vendor/bower_components/angular-ui-switch/angular-ui-switch.css', 'lemur/static/app/vendor/bower_components/angular-wizard/dist/angular-wizard.css', 'lemur/static/app/vendor/bower_components/ng-table/ng-table.css', 'lemur/static/app/vendor/bower_components/angularjs-toaster/toaster.css' ]; return gulp.src(fileList) .pipe(gulpif(isBootswatchFile, foreach(function (stream, file) { var themeName = path.basename(path.dirname(file.path)), content = replaceAll(baseContent, '$theme$', themeName), file = string_src('bootstrap-' + themeName + '.less', content); return file; }))) .pipe(less()) .pipe(gulpif(isBootstrapFile, foreach(function (stream, file) { var fileName = path.basename(file.path), themeName = fileName.substring(fileName.indexOf('-') + 1, fileName.indexOf('.')); // http://stackoverflow.com/questions/21719833/gulp-how-to-add-src-files-in-the-middle-of-a-pipe // https://github.com/gulpjs/gulp/blob/master/docs/recipes/using-multiple-sources-in-one-task.md return merge(stream, gulp.src(['.tmp/styles/font-awesome.css', '.tmp/styles/lemur.css'])) .pipe(concat('style-' + themeName + ".css")); }))) .pipe(plumber()) .pipe(concat('styles.css')) .pipe(minifycss()) .pipe(autoprefixer('last 1 version')) .pipe(gulp.dest('.tmp/styles')) .pipe(size()); }); // http://stackoverflow.com/questions/1144783/replacing-all-occurrences-of-a-string-in-javascript function escapeRegExp(string) { return string.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1"); } function replaceAll(string, find, replace) { return string.replace(new RegExp(escapeRegExp(find), 'g'), replace); } function string_src(filename, string) { var src = require('stream').Readable({ objectMode: true }); src._read = function () { this.push(new gutil.File({ cwd: "", base: "", path: filename, contents: new Buffer(string) })); this.push(null); }; return src; } gulp.task('dev:scripts', function () { return gulp.src(['lemur/static/app/angular/**/*.js']) .pipe(jshint()) .pipe(jshint.reporter('jshint-stylish')) .pipe(size()); }); gulp.task('build:extras', function () { return gulp.src(['lemur/static/app/*.*', '!lemur/static/app/*.html']) .pipe(gulp.dest('lemur/static/dist')); }); function injectHtml(isDev) { return gulp.src('lemur/static/app/index.html') .pipe( inject(gulp.src(bowerFiles({ base: 'app' }), { read: false }), { starttag: '<!-- inject:bower:{{ext}} -->', addRootSlash: false, ignorePath: isDev ? ['lemur/static/app/', '.tmp/'] : null }) ) .pipe(inject(gulp.src(['lemur/static/app/angular/**/*.js'], { read: false }), { read: false, starttag: '<!-- inject:{{ext}} -->', addRootSlash: false, ignorePath: isDev ? ['lemur/static/app/', '.tmp/'] : null })) .pipe(inject(gulp.src(['.tmp/styles/**/*.css'], { read: false }), { read: false, starttag: '<!-- inject:{{ext}} -->', addRootSlash: false, ignorePath: isDev ? ['lemur/static/app/', '.tmp/'] : null })) .pipe( gulpif(!isDev, inject(gulp.src('lemur/static/dist/ngviews/ngviews.min.js'), { read: false, starttag: '<!-- inject:ngviews -->', addRootSlash: false }) ) ) .pipe(gulp.dest('.tmp/')); } gulp.task('dev:inject', ['dev:styles', 'dev:scripts'], function () { return injectHtml(true); }); gulp.task('build:inject', ['dev:styles', 'dev:scripts', 'build:ngviews'], function () { return injectHtml(false); }); gulp.task('build:ngviews', function () { return gulp.src(['lemur/static/app/angular/**/*.html']) .pipe(minifyHtml({ empty: true, spare: true, quotes: true })) .pipe(gulp.dest('lemur/static/dist/angular')) .pipe(size()); }); gulp.task('build:html', ['dev:styles', 'dev:scripts', 'build:ngviews', 'build:inject'], function () { var jsFilter = filter('**/*.js'); var cssFilter = filter('**/*.css'); var assets = useref.assets(); return gulp.src('.tmp/index.html') .pipe(assets) .pipe(rev()) .pipe(jsFilter) .pipe(ngAnnotate()) .pipe(jsFilter.restore()) .pipe(cssFilter) .pipe(csso()) .pipe(cssFilter.restore()) .pipe(assets.restore()) .pipe(useref()) .pipe(revReplace()) .pipe(gulp.dest('lemur/static/dist')) .pipe(size()); }); gulp.task('build:fonts', ['dev:fonts'], function () { return gulp.src('.tmp/fonts/**/*') .pipe(gulp.dest('lemur/static/dist/fonts')); }); gulp.task('build:images', function () { return gulp.src('lemur/static/app/images/**/*') .pipe(cache(imagemin({ optimizationLevel: 3, progressive: true, interlaced: true }))) .pipe(gulp.dest('lemur/static/dist/images')) .pipe(size()); }); gulp.task('build', ['build:ngviews', 'build:inject', 'build:images', 'build:fonts', 'build:html', 'build:extras']);