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gulpfile.babel.js
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gulpfile.babel.js
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'use strict';
import browser from 'browser-sync';
import gulp from 'gulp';
import jsImport from 'gulp-js-import';
import minify from 'gulp-minify';
import plugins from 'gulp-load-plugins';
import { rimraf } from 'rimraf';
import yargs from 'yargs';
const $ = plugins();
const PATHS = {
dist: 'dist',
assets: ['src/**/*.html'],
javascript: ['src/utils.js'],
};
const PORT = 8000;
const PRODUCTION = !!yargs.argv.production;
function clean(done) {
rimraf(PATHS.dist, {}).then(function () {
done();
});
}
function copy() {
return gulp.src(PATHS.assets).pipe(gulp.dest(PATHS.dist));
}
function javascript() {
return (
gulp
.src(PATHS.javascript)
.pipe($.if(!PRODUCTION, $.sourcemaps.init()))
.pipe($.concat('utils.js'))
.pipe(jsImport({ hideConsole: true }))
// .pipe($.if(PRODUCTION, $.uglify()
// .on('error', e => { console.log(e.message, e.fileName, e.lineNumber); })
// ))
.pipe($.if(!PRODUCTION, $.sourcemaps.write()))
.pipe(minify({ ext: { min: '.min.js' } }))
.pipe(gulp.dest(PATHS.dist))
);
}
function server(done) {
browser.init({
server: PATHS.dist,
port: PORT,
});
done();
}
function reload(done) {
browser.reload();
done();
}
function watch() {
gulp.watch(PATHS.assets, copy);
gulp.watch('src/**/*.js').on('all', gulp.series(javascript, browser.reload));
}
gulp.task('build', gulp.series(clean, gulp.parallel(javascript, copy)));
gulp.task('default', gulp.series('build', server, watch));