monitme/src/command.js

Powerful task for developers

const argv = process.argv;
const cli = {
    command: argv[2] ? (argv[2].startsWith('-') ? '' : argv[2]) : '',
    args: argv.filter((v, i) => i > 2 && !v.startsWith('-')),
    options: argv.filter((v, i) => i > 1 && v.startsWith('-'))
};
const entries = [];

function Command(name, description) {
    this.name = name;
    this.options = {};
    entries.push({ command: name, description, options: [] });
}

Command.prototype.option = function(name, description) {
    var names = name.split(',').map(x => x.trim());
    entries.filter(x => x.name = this.name).forEach((_, index) => entries[index].options.push({ name, description }));
    var ok = cli.options.some(v => names.indexOf(v) >= 0);
    names.forEach(name => this.options[name.replace('--', '').replace('-', '')] = ok);
    return this;
}

/**
 * @param action {((args: string[], options: any) => void)}
 */
Command.prototype.action = function(action) {
    if (cli.command == this.name && !command.RAN) {
        action.call(this, cli.args, this.options);
        command.RAN = true;
    }
}

const command = (name, description) => new Command(name, description);

command.log = (...args) => console.log(args.join(' '));

command.chalk = require('chalk').default;

command.command = (...args) => new command(...args);

command.rl = require('readline-sync');

module.exports = command;