parse_args.js

// Copyright (c) 2017 Uber Technologies, Inc.
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'use strict';

var safeParse = require('./safe_parse.js');

module.exports = function parseArgs() {
    var program = require('commander');
    program.description('Run an example')
        .option('-n, --clusterName <name>', 'Name of cluster')
        .option('-s, --size <size>', 'Size of cluster')
        .option('-b, --bootstrap <bootstrap>', 'JSON compatible array of hosts')
        .option('-p, --port <port>', 'Base port for cluster')
        .option('-h, --host <host>', 'Address of host')
        .option('[options] example.js')
    program.parse(process.argv);
    return {
        name: program.clusterName,
        size: Number(program.size),
        bootstrapNodes: safeParse(program.bootstrap),
        basePort: Number(program.port),
        host: program.host
    };
};