Quick CLI argv parser and validator
npm install dargnpm i darg
javascript
import getArgs from 'darg';
//Run without any options to get an object of all args supplied at runtime
const args = getArgs({
file:{
required: true,
type: "string",
help: "A helpful message",
requires: ['output']
alias: "f"
}
output:{
help: "Another helpful message",
required: true,
type: "string", //supported: number/json/any
alias: "o",
}
},{
usage: "Usage: myapp.js " //customize help header
});
console.log(args);
`
#### Example Run
`bash
> node cli.js -f ./file.js --output=./out.js
{
file: "./file.js",
output: "./out.js"
}
`
#### Example Help:
`bash
> node cli.js
The paramater '--file' is required.
The paramater '--output' is required.
Usage: myapp.js
--file/-f [required] Another helpful message
--output/-o [required] A helpful message
``