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Example gulpfile from the 'Automating your build tasks easily with Gulp.js' article.
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| var gulp = require('gulp'); // Require gulp | |
| // Sass dependencies | |
| var sass = require('gulp-sass'); // Compile Sass into CSS | |
| var minifyCSS = require('gulp-minify-css'); // Minify the CSS | |
| // Minification dependencies | |
| var minifyHTML = require('gulp-minify-html'); // Minify HTML | |
| var concat = require('gulp-concat'); // Join all JS files together to save space | |
| var stripDebug = require('gulp-strip-debug'); // Remove debugging stuffs | |
| var uglify = require('gulp-uglify'); // Minify JavaScript | |
| var imagemin = require('gulp-imagemin'); // Minify images | |
| // Other dependencies | |
| var size = require('gulp-size'); // Get the size of the project | |
| var browserSync = require('browser-sync'); // Reload the browser on file changes | |
| var jshint = require('gulp-jshint'); // Debug JS files | |
| var stylish = require('jshint-stylish'); // More stylish debugging | |
| // Tasks -------------------------------------------------------------------- > | |
| // Task to compile Sass file into CSS, and minify CSS into build directory | |
| gulp.task('styles', function() { | |
| gulp.src('./app/sass/styles.scss') | |
| .pipe(sass().on('error', sass.logError)) | |
| .pipe(gulp.dest('./app/css')) | |
| .pipe(minifyCSS()) | |
| .pipe(gulp.dest('./build/styles/')) | |
| .pipe(browserSync.reload({ | |
| stream: true, | |
| })); | |
| }); | |
| // Task to minify new or changed HTML pages | |
| gulp.task('html', function() { | |
| gulp.src('./app/*.html') | |
| .pipe(minifyHTML()) | |
| .pipe(gulp.dest('./build/')); | |
| }); | |
| // Task to concat, strip debugging and minify JS files | |
| gulp.task('scripts', function() { | |
| gulp.src(['./app/scripts/lib.js', './app/scripts/*.js']) | |
| .pipe(concat('script.js')) | |
| .pipe(stripDebug()) | |
| .pipe(uglify()) | |
| .pipe(gulp.dest('./build/scripts/')); | |
| }); | |
| // Task to minify images into build | |
| gulp.task('images', function() { | |
| gulp.src('./app/images/*') | |
| .pipe(imagemin({ | |
| progressive: true, | |
| })) | |
| .pipe(gulp.dest('./build/images')); | |
| }); | |
| // Task to run JS hint | |
| gulp.task('jshint', function() { | |
| gulp.src('./app/scripts/*.js') | |
| .pipe(jshint()) | |
| .pipe(jshint.reporter('jshint-stylish')); | |
| }); | |
| // Task to get the size of the app project | |
| gulp.task('size', function() { | |
| gulp.src('./app/**') | |
| .pipe(size({ | |
| showFiles: true, | |
| })); | |
| }); | |
| // Task to get the size of the build project | |
| gulp.task('build-size', function() { | |
| gulp.src('./build/**') | |
| .pipe(size({ | |
| showFiles: true, | |
| })); | |
| }); | |
| // Serve application | |
| gulp.task('serve', ['styles', 'html', 'scripts', 'images', 'jshint', 'size'], function() { | |
| browserSync.init({ | |
| server: { | |
| baseDir: 'app', | |
| }, | |
| }); | |
| }); | |
| // Run all Gulp tasks and serve application | |
| gulp.task('default', ['serve', 'styles'], function() { | |
| gulp.watch('app/sass/**/*.scss', ['styles']); | |
| gulp.watch('app/*.html', browserSync.reload); | |
| gulp.watch('app/scripts/**/*.js', browserSync.reload); | |
| }); |
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