I am a full stack developer.
Major in front-end develop and back-end develop (using Node.js).
一个最简单的低代码编辑器
windows系统使用pnpm dev:all
启动项目,报错'NODE_ENV' 不是内部或外部命令,也不是可运行的程序
。
原因:
严格来说,这其实不算错误,知识Win和Mac的环境变量设置方式不同。
这是在Windows系统才会出现的一种报错现象。需要安装cross-env (pnpm install cross-env save-dev
) ,安装完成之后再在package.json文件中,对应有NODE_ENV的前面加上cross-env即可解决。
{
"scripts": {
"bootstrap": "npm install -g pnpm pm2 ts-node nodemon",
"build:all": "npm run clean && npm run build:client && npm run build:server",
"build:client": "cross-env NODE_ENV=prod webpack --config ./package/client/build/webpack.prod.js",
"build:server": "cross-env NODE_ENV=prod tsc --p ./package/server",
"clean": "rm -rf output",
"dev:all": "npm run dev:client & npm run dev:server",
"dev:client": "cross-env NODE_ENV=dev webpack serve --progress --hot --config ./package/client/build/webpack.dev.js",
"dev:server": "cross-env NODE_ENV=dev nodemon --watch './package/server/**/*.ts' --exec 'ts-node' ./package/server/app.ts",
"format": "prettier --write './package/**/*.ts' './package/**/*.js'",
"start": "cross-env NODE_ENV=prod pm2 start output/app.js"
},
}
从左侧组件库拖拽到画布中,怎么实现在画布内自由拖拽,修改组件的宽高呢
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