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gulpfile.js
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gulpfile.js
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const gulp = require('gulp');
const concat = require('gulp-concat');
const terser = require('gulp-terser');
const sourcemaps = require('gulp-sourcemaps');
const postcss = require('gulp-postcss');
const cssnano = require('cssnano');
const autoprefixer = require('autoprefixer');
const { src, series, parallel, dest, watch} = require('gulp');
const jsPath = 'src/js/**/*.js';
const cssPath = 'src/css/**/*.css';
function copyHtml() {
return src('src/*.html').pipe(gulp.dest('dist'));
}
function jsTask() {
return src(jsPath)
.pipe(sourcemaps.init())
.pipe(terser())
.pipe(sourcemaps.write('.'))
.pipe(dest('dist/js'));
}
function cssTask() {
return src(cssPath)
.pipe(sourcemaps.init())
.on('CssSyntaxError', function (er) {
console.error('Throwing error:', er);
})
.pipe(concat('base.css'))
.pipe(postcss([autoprefixer(), cssnano()]))
.pipe(sourcemaps.write('.'))
.pipe(dest('dist/css'));
}
function watchTask() {
watch([cssPath, jsPath], { interval: 1000 }, parallel(jsTask));
}
exports.cssTask = cssTask;
exports.jsTask = jsTask;
exports.copyHtml = copyHtml;
exports.default = series(
parallel(copyHtml, cssTask, jsTask),
watchTask
);