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gulpfile.js
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gulpfile.js
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// generated on 2021-07-09 using generator-webapp 4.0.0-8
const { src, dest, watch, series, parallel, lastRun } = require('gulp');
const gulpLoadPlugins = require('gulp-load-plugins');
const fs = require('fs');
const mkdirp = require('mkdirp');
const Modernizr = require('modernizr');
const browserSync = require('browser-sync');
const del = require('del');
const autoprefixer = require('autoprefixer');
const cssnano = require('cssnano');
const { argv } = require('yargs');
const $ = gulpLoadPlugins();
const server = browserSync.create();
const port = argv.port || 9000;
const isProd = process.env.NODE_ENV === 'production';
const isTest = process.env.NODE_ENV === 'test';
const isDev = !isProd && !isTest;
function styles() {
return src('app/styles/*.scss', {
sourcemaps: !isProd,
})
.pipe($.plumber())
.pipe($.sass.sync({
outputStyle: 'expanded',
precision: 10,
includePaths: ['.']
}).on('error', $.sass.logError))
.pipe($.postcss([
autoprefixer()
]))
.pipe(dest('.tmp/styles', {
sourcemaps: !isProd,
}))
.pipe(server.reload({stream: true}));
};
function scripts() {
return src('app/scripts/**/*.js', {
sourcemaps: !isProd,
})
.pipe($.plumber())
.pipe($.babel())
.pipe(dest('.tmp/scripts', {
sourcemaps: !isProd ? '.' : false,
}))
.pipe(server.reload({stream: true}));
};
async function modernizr() {
const readConfig = () => new Promise((resolve, reject) => {
fs.readFile(`${__dirname}/modernizr.json`, 'utf8', (err, data) => {
if (err) reject(err);
resolve(JSON.parse(data));
})
})
const createDir = () => new Promise((resolve, reject) => {
mkdirp(`${__dirname}/.tmp/scripts`, err => {
if (err) reject(err);
resolve();
})
});
const generateScript = config => new Promise((resolve, reject) => {
Modernizr.build(config, content => {
fs.writeFile(`${__dirname}/.tmp/scripts/modernizr.js`, content, err => {
if (err) reject(err);
resolve(content);
});
})
});
const [config] = await Promise.all([
readConfig(),
createDir()
]);
await generateScript(config);
}
const lintBase = (files, options) => {
return src(files)
.pipe($.eslint(options))
.pipe(server.reload({stream: true, once: true}))
.pipe($.eslint.format())
.pipe($.if(!server.active, $.eslint.failAfterError()));
}
function lint() {
return lintBase('app/scripts/**/*.js', { fix: true })
.pipe(dest('app/scripts'));
};
function lintTest() {
return lintBase('test/spec/**/*.js');
};
function html() {
return src('app/*.html')
.pipe($.useref({searchPath: ['.tmp', 'app', '.']}))
.pipe($.if(/\.js$/, $.uglify({compress: {drop_console: true}})))
.pipe($.if(/\.css$/, $.postcss([cssnano({safe: true, autoprefixer: false})])))
.pipe($.if(/\.html$/, $.htmlmin({
collapseWhitespace: true,
minifyCSS: true,
minifyJS: {compress: {drop_console: true}},
processConditionalComments: true,
removeComments: true,
removeEmptyAttributes: true,
removeScriptTypeAttributes: true,
removeStyleLinkTypeAttributes: true
})))
.pipe(dest('dist'));
}
function images() {
return src('app/images/**/*', { since: lastRun(images) })
.pipe($.imagemin())
.pipe(dest('dist/images'));
};
function fonts() {
return src('app/fonts/**/*.{eot,svg,ttf,woff,woff2}')
.pipe($.if(!isProd, dest('.tmp/fonts'), dest('dist/fonts')));
};
function extras() {
return src([
'app/*',
'!app/*.html'
], {
dot: true
}).pipe(dest('dist'));
};
function clean() {
return del(['.tmp', 'dist'])
}
function measureSize() {
return src('dist/**/*')
.pipe($.size({title: 'build', gzip: true}));
}
const build = series(
clean,
parallel(
lint,
series(parallel(styles, scripts, modernizr), html),
images,
fonts,
extras
),
measureSize
);
function startAppServer() {
server.init({
notify: false,
port,
server: {
baseDir: ['.tmp', 'app'],
routes: {
'/node_modules': 'node_modules'
}
}
});
watch([
'app/*.html',
'app/images/**/*',
'.tmp/fonts/**/*'
]).on('change', server.reload);
watch('app/styles/**/*.scss', styles);
watch('app/scripts/**/*.js', scripts);
watch('modernizr.json', modernizr);
watch('app/fonts/**/*', fonts);
}
function startTestServer() {
server.init({
notify: false,
port,
ui: false,
server: {
baseDir: 'test',
routes: {
'/scripts': '.tmp/scripts',
'/node_modules': 'node_modules'
}
}
});
watch('test/index.html').on('change', server.reload);
watch('app/scripts/**/*.js', scripts);
watch('test/spec/**/*.js', lintTest);
}
function startDistServer() {
server.init({
notify: false,
port,
server: {
baseDir: 'dist',
routes: {
'/node_modules': 'node_modules'
}
}
});
}
let serve;
if (isDev) {
serve = series(clean, parallel(styles, scripts, modernizr, fonts), startAppServer);
} else if (isTest) {
serve = series(clean, scripts, startTestServer);
} else if (isProd) {
serve = series(build, startDistServer);
}
exports.serve = serve;
exports.build = build;
exports.default = build;