cli.js

#!/usr/bin/env node
/**
 * Update cli using meow instead of yargs
 */

const { gulp } = require('./gulp');
const server = require('./index');
const path = require('path');
const fs = require('fs-extra');
const _ = require('lodash');
const meow = require('meow');
const log = require('fancy-log');
const alias = {
  p: 'port',
  h: 'host',
  s: 'ssl',
  c: 'config'
};
const cli = meow(
  `
  Usage
    $ gulp-server-io <root>

  Options
    -p, --port Port number (default 8000)
    -h, --host host name (default localhost)
    -s, --https use https using snake oil cert (default to false)
    -c, --config pass a config json file (default '')

  Examples
    $ gulp-server-io /path/to/app
  or pass as an array
    $ gulp-server-io /path/to/app,node_modules,dev

  Serve up to broadcast your app
    $ gulp-server-io /path/to/app -h 0.0.0.0

  Use a config file
    $ gulp-server-io /path/to/app -c ./config.json
  The configuration option is the same as in README
  * When using --config (-c) flag, all the other flag will be ignore
`,
  { alias }
);
const serve = cli => {
  if (_.isEmpty(cli.input[0])) {
    return log.error(
      'Sorry the path to your file is required! Run `gulp-server-io` --help for more information'
    );
  }
  const argv = cli.flags;
  const dirs = cli.input[0].split(',');
  gulp.src(dirs.map(d => path.resolve(d))).pipe(
    server(
      (function() {
        let config;
        // Use the config to ovewrite everything else
        if (argv.config) {
          config = fs.readJsonSync(argv.config);
          if (!config) {
            throw new Error(['configuration file', argv.config, 'not found!'].join(' '));
          }
        } else {
          config = {};
          if (argv.port) {
            config.port = argv.port;
          }
          if (argv.host) {
            config.host = argv.host;
          }
          if (argv.https) {
            config.https = {
              enable: true
            };
          }
        }
        return config;
      })()
    )
  );
};
// Run
serve(cli);