arg-parser

node-arg-parser

node cli arguments parser

Install

npm install arg-parser

Example

test.js

import Args from 'arg-parser';
const args = new Args(
    'ArgParserTester',
    '1.0',
    'NodeJS arg-parser module tester',
    'In addition to these parameters - more info here...'
);

args.add({ name: 'input', desc: 'input file', switches: [ '-i', '--input-file'], value: 'file' });
args.add({ name: 'output', desc: 'output file', switches: [ '-o', '--output-file'], value: 'file' });
args.add({ name: 'quiet', desc: 'quiet mode', switches: [ '-q', '--quiet'] });
args.add({ name: 'verbose', desc: 'verbose mode', switches: [ '-V', '--verbose'] });
args.add({ name: 'text', desc: 'text to store', required: true });

if (args.parse()) console.log(args.params);

Run test.js

node test.js -h

Output

NodeJS arg-parser module tester
usage: test [options] <text>

    <text>                   text to store

    -V, --verbose            verbose mode
    -h, --help               display help & usage
    -i, --input-file=FILE    input file
    -o, --output-file=FILE   output file
    -q, --quiet              quiet mode
    -v, --version            display cli name & version

    In addition to these parameters - more info here...