jmms/bin/exec.js

Jmms cli tools, Jmms is a java meta-micro-service framework

const chalk   = require('chalk');
const meow    = require('meow');
const cmd     = require('commander');
const yo      = require('./yo');
const log     = require('../generators/log');
const pkg     = require('../package.json');
const binName = Object.keys(pkg.bin)[0];
const version = pkg.version;

//Init yo.
yo.init();

//Init commander
cmd.version(version).usage('[command] [options]').allowUnknownOption();

//Handle --help
cmd.on('--help',() => {
    log.info('\n')
});

//Handle unknown command.
cmd.on('command:*', (name) => {
    log.error(`${chalk.yellow(name)} is not a known command. See '${chalk.white(`${binName} --help`)}'.`);
    process.exit(1);
})

/* Create yo generator commands (only for parent generator) */
Object.keys(yo.metas).forEach((generator) => {
    const meta = yo.metas[generator];
    const name = yo.toCommandName(generator, meta);

    const command = cmd.command(name)
                        .description(meta.desc)
                        .allowUnknownOption()
                        .action((_) => {
                            yo.run(meta, false);
                        })
                        .on('--help', () => {
                            yo.run(meta, true);
                        });

    /*
    if(meta.opts) {
        Object.keys(meta.opts).forEach(key => {
            const opt = meta.opts[key];
            const flags = yo.toCommandOptionFlags(opt);
            const desc  = yo.toCommandOptionDesc(opt);
            command.option(flags, desc);
        });
    }
    */
});

//Parse command line args
cmd.parse(process.argv);

//Print help if no args.
if (cmd.args.length < 1) {
    cmd.help();
}