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gulpfile.js
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gulpfile.js
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var options = {
jsEntryPoint: 'scripts/app.js',
jsBundlePath: 'dist',
jsBundleName: 'bundle',
scssEntryPoint: 'styles/site.scss',
scssWatchPath: 'styles/**/*.scss',
scssIncludePath: ['styles/**'],
scssDistPath: 'styles/dist',
autoprefixer: {
browsers: ['last 2 versions', '> 5%', 'Firefox ESR']
},
// set a variable telling us if we're building in release/prod or dev
isProduction: process.env.NODE_ENV && process.env.NODE_ENV === 'Release' ? true : false
};
var gulp = require('gulp');
var sourcemaps = require('gulp-sourcemaps');
var source = require('vinyl-source-stream');
var buffer = require('vinyl-buffer');
var browserify = require('browserify');
var watchify = require('watchify');
var babel = require('babelify');
var uglify = require("gulp-uglify");
var noop = require('gulp-noop');
var sass = require('gulp-sass');
var autoprefixer = require('gulp-autoprefixer');
var clean = require('gulp-clean');
var stringify = require('stringify');
var glslify = require('glslify');
var server = require('gulp-server-livereload');
var babelify = babel.configure({
presets: ["es2015", "stage-0", "es2017"],
plugins: ["transform-object-rest-spread", "transform-es2015-parameters", "transform-runtime", "add-module-exports"]
});
function transpileAndBundleJs(watch) {
var b = browserify(options.jsEntryPoint, { debug: true })
.transform(glslify)
.transform(babelify);
// .transform(stringify, {
// appliesTo: { includeExtensions: ['.vertex', '.fragment', '.glsl'] },
// minify: false
// });
var bundler = watch ? watchify(b) : b;
function bundle() {
console.log('[' + new Date().toTimeString() + '] hack.gl -> Transpiling and bundling js assets...');
bundler.bundle()
.on('error', function(err) { console.error(err); this.emit('end'); })
.pipe(source(options.jsBundleName + '.js'))
.pipe(buffer())
.pipe(options.isProduction ? noop() : sourcemaps.init({ loadMaps: true }))
.pipe(options.isProduction ? uglify() : noop())
.on('error', function (err) { console.error(err); this.emit('end'); })
.pipe(options.isProduction ? noop() : sourcemaps.write('./'))
.pipe(gulp.dest(options.jsBundlePath));
}
if (watch) {
bundler.on('update', function() {
bundle();
});
}
bundle();
}
function watchJs() {
return transpileAndBundleJs(true);
};
gulp.task('sass', function () {
console.log('[' + new Date().toTimeString() + '] hack.gl -> Transpiling and bundling scss assets...');
return gulp
.src(options.scssEntryPoint)
.pipe(options.isProduction ? noop() : sourcemaps.init())
.pipe(sass({
errLogToConsole: true,
outputStyle: options.isProduction ? 'compressed' : 'expanded',
includePaths: options.scssIncludePath
}))
.on('error', function (err) { console.error(err); this.emit('end'); })
.pipe(autoprefixer(options.autoprefixer))
.pipe(options.isProduction ? noop() : sourcemaps.write('./'))
.pipe(gulp.dest(options.scssDistPath));
});
gulp.task('clean-scripts', function () {
return gulp
.src(options.jsBundlePath, { read: false })
.pipe(clean());
});
gulp.task('clean-css', function () {
return gulp
.src(options.scssDistPath, { read: false })
.pipe(clean());
});
gulp.task('build', ['clean-scripts', 'clean-css'], function () {
console.log('hack.gl -> Building assets for ' + (options.isProduction ? '[PRODUCTION]' : '[DEVELOPMENT]'));
gulp.start('sass');
return transpileAndBundleJs(false);
});
gulp.task('watch', ['build'], function () {
gulp.watch(options.scssWatchPath, ['sass']);
return watchJs();
});
gulp.task('webserver', ['watch'], function () {
gulp.src('.')
.pipe(server({
livereload: {
enable: true,
filter: function (filename, cb) {
cb(!/\.(sa|le)ss$|node_modules/.test(filename));
},
defaultFile: 'index.html'
},
directoryListing: false,
open: true
}));
});
gulp.task('default', ['build']);