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gulp是什么？
http://gulpjs.com/ 相信你会明白的！
与著名的构建工具grunt相比，有什么优势呢？
易于使用，代码优于配置
高效，不会产生过多的中间文件，减少I/O压力
易于学习，API非常少，你能在很短的事件内学会gulp
那些常用的gulp插件
No.1、run-sequence
Links: https://www.npmjs.com/package/run-sequence
作用：让gulp任务，可以相互独立，解除任务间的依赖，增强task复用
推荐指数：★★★★★
No.2、browser-sync
Links: http://www.browsersync.io/
作用：静态文件服务器，同时也支持浏览器自动刷新
推荐指数：★★★★★
No.3、del
Links：https://www.npmjs.com/package/del
作用：删除文件/文件夹
推荐指数：★★★★★
No.4、gulp-coffee
Links: https://github.com/wearefractal/gulp-coffee
作用：编译coffee代码为Js代码，使用coffeescript必备
推荐指数：★★★★
No.5、coffee-script
Links: https://www.npmjs.com/package/coffee-script
作用：gulpfile默认采用js后缀，如果要使用gulpfile.coffee来编写，那么需要此模块
推荐指数：★★★
No.6、gulp-nodemon
Links: https://www.npmjs.com/package/gulp-nodemon
作用：自动启动/重启你的node程序，开发node服务端程序必备
推荐指数：★★★★★
No.7、yargs
Links: https://www.npmjs.com/package/yargs
作用：用于获取启动参数，针对不同参数，切换任务执行过程时需要
推荐指数：★★★
No.8、gulp-util
Links: https://www.npmjs.com/package/gulp-util
作用：gulp常用的工具库
推荐指数：★★★★★
No.9、gulp-uglify
Links: https://www.npmjs.com/package/gulp-uglify
作用：通过UglifyJS来压缩JS文件
推荐指数：★★★★
No.9、gulp-concat
Links: https://www.npmjs.com/package/gulp-concat
作用：合并JS
推荐指数：★★★★
No.10、gulp-sourcemaps
Links: https://www.npmjs.com/package/gulp-sourcemaps
作用：处理JS时，生成SourceMap
推荐指数：★★★★
No.11、gulp-less
Links：https://www.npmjs.com/package/gulp-less
作用：将less预处理为css
推荐指数：★★★★
No.12、gulp-sass
Links：https://www.npmjs.com/package/gulp-sass
作用：将sass预处理为css
推荐指数：★★★★
No.13、gulp-autoprefixer
Links：https://www.npmjs.com/package/gulp-autoprefixer
作用：使用Autoprefixer来补全浏览器兼容的css。
推荐指数：★★★★
No.14、gulp-minify-css
Links：https://www.npmjs.com/package/gulp-minify-css
作用：压缩css。
推荐指数：★★★★
No.15、connect-history-api-fallback
Links：https://www.npmjs.com/package/connect-history-api-fallback
作用：开发angular应用必须，用于支持HTML5 history API.
推荐指数：★★★
一般的gulpfile文件（采用coffee编写）
首先是，node应用程序：
gulp = require(‘gulp‘)
runSequence = require(‘run-sequence‘)
coffee = require(‘gulp-coffee‘)
gutil = require(‘gulp-util‘)
del = require(‘del‘)
nodemon = require(‘gulp-nodemon‘)
argv = require(‘yargs‘).argv
rename = require(‘gulp-rename‘)
browserSync = require(‘browser-sync‘)
reload = browserSync.reload
# 处理参数
isDebug = not (argv.r || false)
# --入口任务-----------------------------------------------------------------
gulp.task(‘default‘, (callback)->
runSequence(
[‘clean‘]
[‘coffee-server‘, ‘copy-server‘, ‘copy-client‘, ‘coffee-client‘, ‘copy-views‘]
‘serve‘
[‘browserSync‘, ‘watch‘]
callback
)
)
# --构建相关任务---------------------------------------
gulp.task(‘clean‘, (callback)->
del([‘./dist/‘], callback)
)
gulp.task(‘coffee-server‘, ->
gulp.src([
‘./src/**/*.coffee‘
‘!./src/public/**/*.coffee‘
‘!./src/views/**‘
])
.pipe(coffee({bare: true}).on(‘error‘, gutil.log))
.pipe(gulp.dest(‘./dist/‘))
)
gulp.task(‘copy-server‘, ->
gulp.src([
‘./src/config*/*.json‘
‘./src/database*/*.*‘
])
.pipe(gulp.dest(‘./dist/‘))
)
gulp.task(‘copy-client‘, ->
gulp.src([
‘./src/public*/**/*‘
‘!./src/public*/**/*.coffee‘
])
.pipe(gulp.dest(‘./dist/‘))
)
gulp.task(‘coffee-client‘, ->
gulp.src([
‘./src/public*/**/*.coffee‘
])
.pipe(coffee({bare: true}).on(‘error‘, gutil.log))
.pipe(gulp.dest(‘./dist/‘))
)
gulp.task(‘copy-views‘, ->
gulp.src(‘./src/views/**/*.html‘)
.pipe(rename({extname: ‘.vash‘}))
.pipe(gulp.dest(‘./dist/views‘))
)
# --启动程序,打开浏览器任务----------------------------------------------------
nodemon_instance = undefined
gulp.task(‘serve‘, (callback)->
called = false
if not nodemon_instance
nodemon_instance = nodemon({
script: ‘./dist/index.js‘
ext: ‘none‘
})
.on(‘restart‘, ->
console.log(‘restart server......................‘)
)
.on(‘start‘, ->
if not called
called = true
callback()
)
else
nodemon_instance.emit("restart")
callback()
nodemon_instance
)
gulp.task(‘browserSync‘, ->
browserSync({
proxy: ‘localhost:3000‘
port: 8888
#files: [‘./src/public/**/*‘]
open: true
notify: true
reloadDelay: 500 # 延迟刷新
})
)
# --监视任务------------------------------------------------
gulp.task(‘watch‘, ->
gulp.watch([
‘./src/**/*.*‘
‘!./src/**/*.coffee‘
], [‘reload-client‘])
gulp.watch(‘./src/**/*.coffee‘, [‘reload-server‘])
)
gulp.task(‘reload-client‘, (callback) ->
runSequence(
[‘copy-client‘, ‘coffee-client‘, ‘copy-views‘]
‘bs-reload‘
callback
)
)
gulp.task(‘reload-server‘, (callback) ->
runSequence(
[‘copy-server‘, ‘coffee-server‘]
‘serve‘
‘bs-reload‘
callback
)
)
gulp.task(‘bs-reload‘, ->
browserSync.reload()
)接下来是前端网站：
gulp = require(‘gulp‘)
gutil = require(‘gulp-util‘)
coffee = require(‘gulp-coffee‘)
del = require(‘del‘)
runSequence = require(‘run-sequence‘)
browserSync = require(‘browser-sync‘)
historyApiFallback = require(‘connect-history-api-fallback‘)
# 入口点
gulp.task(‘default‘, ->
runSequence(
[‘clean‘]
[‘copy‘]
[‘serve‘]
)
)
gulp.task(‘copy‘, ->
gulp.src([
‘./src/**/*.*‘
‘!./src/**/*.coffee‘
‘!./src/**/*.less‘
])
.pipe(gulp.dest(‘./dist‘))
)
gulp.task(‘clean‘, (callback)->
del([‘./dist/‘], callback)
)
gulp.task(‘serve‘, ->
browserSync({
server: {
baseDir: "./dist"
middleware: [historyApiFallback]
}
port: 2222
})
)
gulp.task(‘watch‘, ->
# do something...
)转自（http://www.mamicode.com/info-detail-517085.html ）
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