index

#!/usr/bin/env node
'use strict'

const fs = require('fs');
const yaml = require('js-yaml');

const program = require('commander');

program
  .version(JSON.parse(require('fs').readFileSync(
    require.main.filename.match(/^(.+)\/.+$/)[1] + '/package.json')).version)
    .option('-i --input-file <fileName>',
            'input file .env.yaml',
            '.env.yaml')
    .option('-o --output-file <fileName>',
            'output file .env',
            '.env')
    .option('-e --environ <environ>',
            'select env default local',
            'local')
    .usage('{options}')
    .parse();

const options = program.opts();

const yamlFilePath = options.inputFile;
const envFilePath = options.outputFile;
const environ = options.environ;

// 既存の .env ファイルを削除
if (fs.existsSync(envFilePath)) {
  fs.unlinkSync(envFilePath);
}
  
const yamlContent = fs.readFileSync(yamlFilePath, 'utf8');
const data = yaml.load(yamlContent);

const envData = [];

for (const key in data) {
if (typeof data[key] === 'object') {
  const keys =  Object.keys(data[key]);
  if (keys.includes(environ)) {
    envData.push(`${key}="${data[key][environ]}"`);
  } else if (keys.includes("default")) {
    envData.push(`${key}="${data[key]["default"]}"`);
  }
} else {
  envData.push(`${key}="${data[key]}"`);
}
}

fs.writeFileSync(envFilePath, envData.join('\n'), 'utf8');
  
//   console.log('.env ファイルが生成されました:');
//   console.log(envData.join('\n'));