有没有一种方法可以使用npm脚本运行tsc -watch&& nodemon-看吗? [英] Is there a way to use npm scripts to run tsc -watch && nodemon --watch?

问题描述

我正在寻找一种使用npm脚本同时运行tsc --watch && nodemon --watch的方法.我可以独立运行此命令，但是当我要同时运行它们时，仅执行第一个命令. 例如. 如果我有这个脚本:

I'm looking for a way to use npm scripts to run tsc --watch && nodemon --watch at the same time. I can run this commands independently, but when I want run both of them, only the first one is executed. eg. if I have this script:

"scripts": {    
    "runDeb": "set NODE_ENV=development&& tsc --watch && nodemon --watch"
  }

tsc --watch已执行，但从未调用nodemon，反之亦然.

tsc --watch is executed but nodemon is never called, and vice versa.

推荐答案

我认为您想要的是这样的东西(我当前的设置):

I think what you want is something like this (my current setup):

"scripts": {
    "compile": "tsc && node app.js",
    "dev": "./node_modules/nodemon/bin/nodemon.js -e ts  --exec \"npm run compile\""
}

我创建了两个脚本"compile"和"dev".要开始开发，您只需运行npm run dev即可启动nodemon并使其监视.ts文件(使用-e标志).然后，每次.ts文件更改nodemon都会exec基本上执行并运行节点应用程序的编译任务.

I created two scripts "compile" and "dev". To start developing you simply run npm run dev which starts nodemon and makes it watch .ts files (using the -e flag). Then, every time a .ts file changes nodemon will exec the compile task which basically compiles and runs the node app.

虽然并发使用是一个不错的选择，但我的设置可以保证tsc的工作已在尝试执行生成的.js文件之前完成.

While using concurrently is a good option, my setup guarantees that tsc's work is done before attempting to execute the resulting .js files.

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