标签: 在线实时转换 需要babel-register .babelrc中: { presets: [es2015 ]
标签:
在线实时转换需要babel-register
.babelrc中:
项目中main.js配置:
前提是安置对应的包
require('babel-register') require('./src/app')本身写的要运行的为app.js,这样配置后会在运行main.js是自动转为es5并执行
通过配置手动转换需要babel-cli
安置babel后
运行babel src -d dist
src为本身写的es6目录文件,dist为转码后的es5文件,,没有则创建
运行node dist/app.js
这样就可以以es5来运行本身的项目了
package.json:
{ "name": "edu", "version": "1.0.0", "description": "", "main": "app.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1", "dev": "node main.js", "build": "babel src -d dist", "prestart": "npm run build", "start": "node dist/app.js" }, "keywords": [], "author": "", "license": "ISC", "dependencies": { "bootstrap": "^3.3.7", "echarts": "^3.4.0", "ejs": "^2.5.5", "express": "^4.14.1", "font-awesome": "^4.7.0", "jquery": "^3.1.1", "nprogress": "^0.2.0" }, "devDependencies": { "babel-cli": "^6.22.2", "babel-preset-es2015": "^6.22.0", "babel-register": "^6.22.0" } }dependencies为项目依赖文件,上线必需要安置的
devDependencies为开发阶段使用的工具,只在开发阶段使用
对配置的解释
"dev": "node main.js",
运行node run dev=node main.js
"build": "babel src -d dist",
运行npm run build=babel src -d dist
运行npm start或npm run start=npm run build+node dist/app.js
es6转码和package.json中的配置
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