by Sai gowtham

npm ERR! missing script: build:ssr [Solved]

Learn, how to fix the npm ERR! missing script: build:ssr error in your angular project.

This error occurs due to the following reasons:

  1. Using the npm run build:ssr command without defining it inside the scripts object in your

package.json file.

  1. Running the “npm run build:ssr” command in a different directory.

  2. Not initialized a package.json file in your project directory.

Run npm build:ssr
npm ERR! Missing script: "build:ssr"
npm ERR!
npm ERR! To see a list of scripts, run:
npm ERR!   npm run

npm ERR! A complete log of this run can be found in:

To fix the npm ERR! Missing script:“build:ssr” error, add the build:ssr script to your package.json file and open the root project directory in your terminal before running the npm run build:ssr command.

Here is an example:

"scripts": {
     "build:ssr": "npm run build:client-and-server-bundles && npm run compile:server",
},

Sometimes, the error occurs if you forgot to add a angular universal package to your root project, to add it please run the below command.

ng add @nguniversal/express-engine

This will add a build:ssr script and other necessary scripts to your package.json file.

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