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| var gulp = require('gulp'); var minifycss = require('gulp-minify-css'); var uglify = require('gulp-uglify'); var htmlmin = require('gulp-htmlmin'); var htmlclean = require('gulp-htmlclean'); var imagemin = require('gulp-imagemin'); var babel = require('gulp-babel');
// 压缩css文件 gulp.task('minify-css', function (done) { return gulp.src('./public/**/*.css') .pipe(minifycss()) .pipe(gulp.dest('./public')); done(); });
// 压缩html文件 gulp.task('minify-html', function (done) { return gulp.src('./public/**/*.html') .pipe(htmlclean()) .pipe(htmlmin({ removeComments: true, minifyJS: true, minifyCSS: true, minifyURLs: true, })) .pipe(gulp.dest('./public')); done(); });
// 压缩js文件 gulp.task('minify-js', function (done) { return gulp.src(['./public/**/*.js', '!./public/**/*.min.js']) .pipe(babel({ //将ES6代码转译为可执行的JS代码 presets: ['es2015'] // es5检查机制 })) .pipe(uglify()) .pipe(gulp.dest('./public')); done(); });
// 压缩 public/images 目录内图片(Version<3) // gulp.task('minify-images', function () { // gulp.src('./public/images/**/*.*') // .pipe(imagemin({ // optimizationLevel: 5, //类型:Number 默认:3 取值范围:0-7(优化等级) // progressive: true, //类型:Boolean 默认:false 无损压缩jpg图片 // interlaced: false, //类型:Boolean 默认:false 隔行扫描gif进行渲染 // multipass: false, //类型:Boolean 默认:false 多次优化svg直到完全优化 // })) // .pipe(gulp.dest('./public/images')); // });
// 压缩 public/images 目录内图片(Version>3) gulp.task('minify-images', function (done) { gulp.src('./public/images/**/*.*') .pipe(imagemin([ imagemin.gifsicle({interlaced: true}), imagemin.jpegtran({progressive: true}), imagemin.optipng({optimizationLevel: 5}), imagemin.svgo({ plugins: [ {removeViewBox: true}, {cleanupIDs: false} ] }) ])) .pipe(gulp.dest('./public/images')); done(); });
//4.0以前的写法 //gulp.task('default', [ // 'minify-html', 'minify-css', 'minify-js', 'minify-images' //]); //4.0以后的写法 // 执行 gulp 命令时执行的任务 gulp.task('default', gulp.series(gulp.parallel('minify-html', 'minify-css', 'minify-js', 'minify-images')), function () { console.log("----------gulp Finished----------"); // Do something after a, b, and c are finished. });
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