var gulp = require(‘gulp‘);
//引入插件对其进行实例化，用$变量方便我们的操作
var $ = require(‘gulp-load-plugins‘)();
var open = require(‘open‘);

var app = {
srcPath: ‘src/‘,
devPath: ‘build/‘,
prdPath: ‘dist/‘
};
//深度遍历文件
gulp.task(‘lib‘, function() {
gulp.src(‘bower_components/**/*.js‘)
.pipe(gulp.dest(app.devPath + ‘vendor‘))
.pipe(gulp.dest(app.prdPath + ‘vendor‘))
.pipe($.connect.reload());
});

gulp.task(‘html‘, function() {
gulp.src(app.srcPath + ‘**/*.html‘)
.pipe($.plumber())
.pipe(gulp.dest(app.devPath))
.pipe(gulp.dest(app.prdPath))
.pipe($.connect.reload());
});

gulp.task(‘json‘, function() {
gulp.src(app.srcPath + ‘data/**/*.json‘)
.pipe($.plumber())
.pipe(gulp.dest(app.devPath + ‘data‘))
.pipe(gulp.dest(app.prdPath + ‘data‘))
.pipe($.connect.reload());
});

gulp.task(‘less‘, function() {
gulp.src(app.srcPath + ‘style/index.less‘)
.pipe($.plumber())
.pipe($.less())
.pipe(gulp.dest(app.devPath + ‘css‘))
.pipe($.cssmin())
.pipe(gulp.dest(app.prdPath + ‘css‘))
.pipe($.connect.reload());
});

gulp.task(‘js‘, function() {
gulp.src(app.srcPath + ‘script/**/*.js‘)
.pipe($.plumber())
.pipe($.concat(‘index.js‘))
.pipe(gulp.dest(app.devPath + ‘js‘))
.pipe($.uglify())
.pipe(gulp.dest(app.prdPath + ‘js‘))
.pipe($.connect.reload());
});

gulp.task(‘image‘, function() {
gulp.src(app.srcPath + ‘image/**/*‘)
.pipe($.plumber())
.pipe(gulp.dest(app.devPath + ‘image‘))
.pipe($.imagemin())
.pipe(gulp.dest(app.prdPath + ‘image‘))
.pipe($.connect.reload());
});
//合并
gulp.task(‘build‘, [‘image‘, ‘js‘, ‘less‘, ‘lib‘, ‘html‘, ‘json‘]);

//每次发布后要定时清除dist
gulp.task(‘clean‘, function() {
gulp.src([app.devPath, app.prdPath])
.pipe($.clean());
});

gulp.task(‘serve‘, [‘build‘], function() {
$.connect.server({
root: [app.devPath],
livereload: true,
port: 1234
});
open("http://localhost:1234");

//自动化监控及构建
gulp.watch(‘bower_components/**/*‘, [‘lib‘]);

gulp.watch(app.srcPath + ‘**/*.html‘, [‘html‘]);
gulp.watch(app.srcPath + ‘data/**/*.json‘, [‘json‘]);
gulp.watch(app.srcPath + ‘style/**/*.less‘, [‘less‘]);
gulp.watch(app.srcPath + ‘script/**/*.js‘, [‘js‘]);
gulp.watch(app.srcPath + ‘image/**/*‘, [‘image‘]);
});

gulp.task(‘default‘, [‘serve‘]);

构建参考代码