Getting Started Document 07 Staged Output

const { src, dest, series, watch, parallel } = require("gulp");// //es2016 to es2015const babelz = require("gulp-babel");//compressionconst uglify = require("gulp-uglify");function clean(cb) {console.log('clean up dist');cb();}function js(cb) {console.log('processing js');// first stage outputsrc('./src/js/common/echarts.min.js').pipe(dest("./dist/js/common"))// second stage outputsrc(['./src/js/**/*.js','!./src/js/common/echarts.min.js']).pipe(babelz({presets: ["es2015"],})).pipe(uglify()) //compress.pipe(dest("./dist/js/"))cb();}function css(cb) {console.log('processing css');cb();}function img(cb) {console.log('processing img');cb();}function build(cb) {console.log('Packaging');cb();}exports.default = series(clean, js, css, img, build);

echarts.min.js is already compressed, no need to compress any more, it will be migrated directly in the first stage without processing

Bypass the problem that the file size exceeds 500kb when packaging