optpas

Command line option parser.

Install

npm i optpas

Local run

Help

node run.js help

  test : Option parser test.
    -b|--bool   <0> : Boolean.
    -i|--int    <0> : Integer.
    -f|--float  <0> : Float.
    -s|--string <>  : String.
    -x|--flag       : Flag.
  help : Show usage.

Test

Success

node run.js test -- -b 1 -i 2 -f 3.4 -s 5 -x a b c

{"options":{"bool":true,"int":2,"float":3.4,"string":"5","flag":true},"values":["a","b","c"]}

Failure: Invalid option

node run.js test -- -a

Invalid option: -a

Failure: Not found parameter

node run.js test -- -i

Not found parameter: -i

How to use

1. Create script

./optpas.js

var optpas = require("optpas");
var parser = new optpas.OptionParser();
parser.Add('b', "bool", "0", "Boolean.", (v) => {return (0 != parseInt(v));});
parser.Add('i', "int", "0", "Integer.", (v) => {return parseInt(v);});
parser.Add('f', "float", "0", "Float.", (v) => {return parseFloat(v);});
parser.Add('s', "string", "", "String.");
parser.Add('x', "flag", null, "Flag.", () => {return true;});
var parsed = parser.Parse(process.argv.slice(2));
console.log(JSON.stringify(parsed));

2. Run script

node ./optpas.js