don667/cli.js

DONNN! Based on Cowsay (https://github.com/piuccio/cowsay)

#!/usr/bin/env node
const yargs = require('yargs');
const fs = require('fs');
const path = require('path');

const argv = yargs.argv;

function getList() {
  console.log('Available faces:\n');
  // Получаем все файлы в папке faces, выводим их в консоль, убирая путь к ним и расширение .txt
  getFiles(`${__dirname}/faces`).forEach(file => console.log(path.basename(file, path.extname(file))));
}

function getHelp() {
// TODO:
// -a, --add\t\tAdd a new face to the list. An image file or a text file must be provided. 
// -m, --monochrome\tForce monochrome mode
  console.log(`Usage: don [options] [arguments]

Options:
  -f, --face\t\tShow a specific face
  -h, --help\t\tShow this help
  -l, --list\t\tList all available faces
  -r, --random\t\tShow a random face`);
}

switch (true) {
  // case argv.a || argv.add:
  //   break;
  case argv.h || argv.help:
    getHelp();
    break;
  case argv.l || argv.list:
    getList();
    break;
  // case argv.m || argv.monochrome:
  //   break;
  default:
    say();
    break;
}

function getFiles(dir, files_) {
  files_ = files_ || [];
  var files = fs.readdirSync(dir);
  for (var i in files) {
    var name = dir + '/' + files[i];
    if (fs.statSync(name).isDirectory()) {
      getFiles(name, files_);
    } else {
      files_.push(name);
    }
  }
  return files_;
}

function say() {
  const module = require('./index.js');
  console.log(module.say(argv));
}