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续Gulp使用入门

这是我的文件目录结构图

续Gulp使用入门 下面是我gulpfile.js的配置

'use strict'var gulp=require('gulp');var gutil=require('gulp-util');var uglify=require('gulp-uglify');var watchPath=require('gulp-watch-path');var combiner=require('stream-combiner2');var sourcemaps=require('gulp-sourcemaps');var minifycss=require('gulp-minify-css');var autoprefixer=require('gulp-autoprefixer');var sass=require('gulp-sass');var imagemin=require('gulp-imagemin');var handleError=function(err){  var colors=gutil.colors;  console.log('\n')  gutil.log(colors.red('Error!'))  gutil.log('fileName: ' + colors.red(err.fileName))  gutil.log('lineNumber: ' + colors.red(err.lineNumber))  gutil.log('message: ' + err.message)  gutil.log('plugin: ' + colors.yellow(err.plugin))}var combiner=require('stream-combiner2')gulp.task('gutil',function(){  gutil.log('message');  gutil.log(gutil.colors.red('error'))  gutil.log(gutil.colors.green('message:')+"some")})//压缩jsgulp.task('uglifyjs',function(){  var combined=combiner.obj([    gulp.src('src/js/**/*.js'),    sourcemaps.init(),    uglify(),    sourcemaps.write('./'),    gulp.dest('dist/js/')  ])  combined.on('error',handleError)})//压缩cssgulp.task('minifycss',function(){  gulp.src('src/css/**/*.css')    .pipe(sourcemaps.init())    .pipe(autoprefixer({        browsers: 'last 2 versions'    }))    .pipe(minifycss())    .pipe(sourcemaps.write('./'))    .pipe(gulp.dest('dist/css'));})//编译scssgulp.task('sass',function(){      gulp.src('src/sass/**/*.scss')      .on('error',function(err){        console.error('Error!',err.message)      })      .pipe(sourcemaps.init())      .pipe(autoprefixer({        browsers: 'last 2 versions'      }))      .pipe(sass({outputStyle: 'compact'}))      .pipe(minifycss())      .pipe(sourcemaps.write('./'))      .pipe(gulp.dest('dist/css'))})//压缩图片gulp.task('image', function () {  gulp.src('src/images/**/*')    .pipe(imagemin({      progressive: true    }))    .pipe(gulp.dest('dist/images'))})// gulp.watch('src/js/**/*.js',function(event){//   console.log(event);  //   当修改 src/js/log.js 文件时//   event {//     // 发生改变的类型,不管是添加,改变或是删除//     type: 'changed', //     // 触发事件的文件路径//     path: 'D:/wamp/www/gulpBuildProject/src/js/log.js'//   }  // })//捕获错误信息var handleError=function(err){  var colors=gutil.colors;  console.log('\n');  gutil.log(colors.red('Error!'))  gutil.log('filename: '+colors.red(err.filename))  gutil.log('lineNumber: '+ colors.red(err.lineNumber))  gutil.log('message: ' + err.message)  gutil.log('plugin: ' + colors.yellow(err.plugin))}//监听js修改gulp.task('watchjs',function(){  gulp.watch('src/js/**/*.js',function(event){    var paths=watchPath(event,'src/','dist/')    paths={      srcPath: 'src/js/log.js',      srcdir:'src/js/',      distPath:'dist/js/log.js',      distDir:'dist/js',      srcFilename:'log.js',      distFilename:'log.js'    }    gutil.log(gutil.colors.green(event.type)+ ' ' + paths.srcPath)    gutil.log('Dist '+ paths.distPath)    var combined=combiner.obj([      gulp.src(paths.srcPath),      uglify(),      gulp.dest(paths.distDir)    ])    // gulp.src(paths.srcPath)    //   .pipe(uglify())    //   .pipe(gulp.dest(paths.distDir))    combined.on('error',handleError);  })})//监听css修改gulp.task('watchcss',function(){  gulp.watch('src/css/**/*.css',function(event){    var paths=watchPath(event,'src/','dist/');    gutil.log(gutil.colors.green(event.type) + ' ' + paths.srcPath)    gutil.log('Dist ' +paths.distPath)    gulp.src(paths.srcPath)      .pipe(sourcemaps.init())      .pipe(autoprefixer({        browsers: 'last 2 versions'      }))      .pipe(minifycss())      .pipe(sourcemaps.write('./'))      .pipe(gulp.dest(paths.distDir));  })})//监听编译sassgulp.task('watchsass',function(){  gulp.watch('src/sass/**/*',function(event){    var paths=watchPath(event,'src/sass/','dist/css/')    gulp.log(gutil.colors.green(event.type)+ ' ' + paths.srcPath)    gulp.log('Dist ' + paths.distPath)    sass(paths.srcPath)      .on('error',function(err){        console.error('Error!', err.message);      })      .pipe(sourcemaps.init())      .pipe(sass())      .pipe(minifycss())      .pipe(autoprefixer({        browsers:'last 2 versions'      }))      .pipe(sourcemaps.write('./'))      pipe(gulp.dest(paths.distDir))  })})//监听压缩图片gulp.task('watchimage', function () {  gulp.watch('src/images/**/*', function (event) {    var paths = watchPath(event,'src/','dist/')    gutil.log(gutil.colors.green(event.type) + ' ' + paths.srcPath)    gutil.log('Dist ' + paths.distPath)    gulp.src(paths.srcPath)      .pipe(imagemin({        progressive: true      }))      .pipe(gulp.dest(paths.distDir))  })})//配置文件复制任务gulp.task('watchcopy',function(){  gulp.watch('src/fonts/**/*',function(event){    var paths=watchPath(event)    gulp.log(gutil.colors.green(event.type)+ ' ' + paths.srcPath)    gulp.log('Dist ' + paths.distPath)    gulp.src(paths.srcPath)      .pipe(gulp.dest(paths.distDir))  })})gulp.task('copy',function(){  gulp.src('src/fonts/**/*')    .pipe(gulp.dest('dist/fonts/'))})gulp.task('default',['watchjs','watchcss','watchsass','watchimage','watchcopy'])

 




原标题:续Gulp使用入门

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