gulp任务

/**
 * Created by gaoshan on 2017/9/21 0021.
 */

/*
 *   1. less 编译 压缩 合并
 *   2. js 合并 压缩 混淆
 *   3. img 复制
 *   4. html 压缩
 */

var gulp = require('gulp');
var less = require('gulp-less');
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var htmlmin = require('gulp-htmlmin');
var browserSync = require('browser-sync');

gulp.task('style', function () {
    gulp.src('src/css/*.less')
        .pipe(less())
        .pipe(gulp.dest('dist/css'))
        .pipe(browserSync.reload({
            stream: true
        }));
});

gulp.task('script', function () {
    gulp.src('src/js/*.js')
        .pipe(concat('main.js'))
        .pipe(uglify())
        .pipe(gulp.dest('dist/js'))
        .pipe(browserSync.reload({
            stream: true
        }));
});

gulp.task('image', function () {
    gulp.src('src/img/*')
        .pipe(gulp.dest('dist/img'))
        .pipe(browserSync.reload({
            stream: true
        }));
});

gulp.task('html', function () {
    gulp.src('src/*.html')
        .pipe(htmlmin({ collapseWhitespace: true }))
        .pipe(gulp.dest('dist/'))
        .pipe(browserSync.reload({
            stream: true
        }));
});

gulp.task('serve', function () {
    browserSync({
        server: {
            baseDir: ['dist']
        }
    }, function (err, bs) {
    });
    gulp.watch('src/css/*.less', ['style']);
    gulp.watch('src/js/*.js', ['script']);
    gulp.watch('src/img/*', ['image']);
    gulp.watch('src/*.html', ['html']);
});