cli.js

#!/usr/bin/env node --harmony
const fs = require('fs');
const path = require('path');
const commander = require('commander');
const prompt = require('prompt');
const chalk = require('chalk');
const Switcher = require('./switcher.js')();

const data = JSON.parse(fs.readFileSync(path.resolve(__dirname, './package.json'), 'utf8'));

commander
.usage('<command> [options]')
.version(data.version);

commander.command('list')
.alias('ls')
.description('Lists available AWS profiles from [~/.aws/credentials]')
.action(() => {
  console.log(chalk.green('Available profiles:'));
  Switcher.listProfiles()
  .catch(err => console.error(err));
});

commander.command('current')
.alias('c')
.description('List the current default profile')
.action(() => {
  Switcher.getCurrentProfile().then(name => {
    return console.log(chalk.green(`Current profile: ${name}`));
  })
  .catch(err => console.error(err));
});

commander.command('switch')
.alias('sw')
.description('Switches the default profile to a different, user-specified profile')
.option('-p, --profile  <optional>', 'The name of the profile to make the default profile')
.option('-i, --index <optional>', 'The index of the profile to make the default profile (from list command)')
.action(cmd => {
  if (cmd.profile) {
    console.log(chalk.green(`Switching default aws profile to ${cmd.profile}`));
    Switcher.switchProfileByName(cmd.profile);
  } else if (cmd.index) {
    Switcher.getProfileNameByIndex(cmd.index).then(name => {
      console.log(chalk.green(`Switching default aws profile to ${name}`));
      return Switcher.switchProfileByName(name);
    })
    .catch(err => console.error(err));
  } else {
    Switcher.listProfiles()
    .then(() => {
      prompt.start();
      prompt.get(['index'], (err, result) => {
        if (err) {
          throw err;
        }
        Switcher.getProfileNameByIndex(result.index).then(name => {
          console.log(chalk.green(`Switching default aws profile to ${name}`));
          return Switcher.switchProfileByName(name);
        })
        .catch(err => console.error(err));
      });
    });
  }
});

commander.on('--help', () => {
  console.log('  Examples:');
  console.log('');
  console.log('    $ switcher list');
  console.log('    $ switcher switch -p profile_name');
  console.log('    $ switcher switch -i 2');
  console.log('');
});

commander.parse(process.argv);