npm config variables
1 min read • 27 Oct 2022Views:
In javascript projects, we can set config object in the package.json which takes config variables which we can use in our script declarations.
Let's take an example, here's a minimal project with following package.json
{
"name": "app",
"version": "1.0.0",
"description": "",
"main": "index.js",
"config": {
"port": 3005
},
"scripts": {
"start": "echo My port is $npm_package_config_port"
},
"author": "Akul Srivastava",
"license": "ISC"
}
We can use this variable in our scripts by adding $npm_package_config_ prefix to it, as shown above. Here's the output for the same-