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gulpfile.js
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'use strict';
////////////////////////////////////////////////////////////////////////////////
// Dependencies //
////////////////////////////////////////////////////////////////////////////////
var babelify = require('babelify'),
browserify = require('browserify'),
buffer = require('vinyl-buffer'),
del = require('del'),
ghPages = require('gulp-gh-pages'),
gulp = require('gulp'),
htmlmin = require('gulp-htmlmin'),
minifyCss = require('gulp-minify-css'),
sass = require('gulp-sass'),
source = require('vinyl-source-stream'),
uglify = require('gulp-uglify'),
watchify = require('watchify');
////////////////////////////////////////////////////////////////////////////////
// Paths //
////////////////////////////////////////////////////////////////////////////////
var paths = {
src_html : './src/index.html',
src_js : './src/index.js',
src_scss : './src/styles/**/*.scss',
dest : './build/'
};
////////////////////////////////////////////////////////////////////////////////
// JS compilers //
////////////////////////////////////////////////////////////////////////////////
var compile = function (watch) {
var bundler = watchify(browserify(paths.src_js, { debug: true })
.transform(babelify));
var rebundle = function () {
console.log('> Bundling...');
bundler.bundle()
.on('error', function (err) { console.error(err); this.emit('end'); })
.pipe(source('script.js'))
.pipe(buffer())
.pipe(uglify())
.pipe(gulp.dest(paths.dest))
.on('end', function () { console.log('> Done bundling'); });
};
if (watch) {
bundler.on('update', function() {
rebundle();
});
}
rebundle();
};
var watch = function () {
return compile(true);
};
////////////////////////////////////////////////////////////////////////////////
// Gulp tasks //
////////////////////////////////////////////////////////////////////////////////
// Delete generated files
gulp.task('clean', function () {
del.sync(paths.dest, { force: true });
});
// Process main HTML file
gulp.task('html', function () {
return gulp.src(paths.src_html)
.pipe(htmlmin({
removeComments: true,
collapseWhitespace: true,
minifyJS: true
}))
.pipe(gulp.dest(paths.dest));
});
// Process SCSS files
gulp.task('scss', function () {
return gulp.src(paths.src_scss)
.pipe(sass().on('error', sass.logError))
.pipe(minifyCss())
.pipe(gulp.dest(paths.dest));
});
// Compile files
gulp.task('build', ['clean', 'html', 'scss'], function () {
return compile();
});
// Compile files and recompile on changes
gulp.task('watch', ['clean', 'html', 'scss'], function () {
gulp.watch(paths.src_html, ['html']);
gulp.watch(paths.src_scss, ['scss']);
return watch();
});
// Deploy to GitHub Pages
gulp.task('deploy', function() {
return gulp.src('./build/**/*')
.pipe(ghPages());
});
// Default: watch task
gulp.task('default', ['watch']);