@tracker1/config-merge/src/bin.js

Deep merge configuration .yml in directory trees into output file.

#!/usr/bin/env node

const minimist = require('minimist');
const { isDirectory } = require('./util');
const configMerge = require('./index');

const helpText = '\nUsage:\n    config-merge inputDirectory outputDirectory\n';

const checkDir = async ([name, path]) => {
  if (!(await isDirectory(path))) {
    return `${name} '${path}' is not a directory.`;
  }
};

const checkDirs = async dirs => {
  const errors = (await Promise.all(Object.entries(dirs).map(checkDir))).filter(r => r);
  if (errors.length) {
    throw { message: `\n${errors.join('\n')}\n${helpText}` };
    return true;
  }
  return false;
};

async function main(skip, processArgs) {
  if (skip) return;

  const argv = minimist(processArgs.slice(2));

  switch (true) {
    case argv.help:
    case argv['?']:
    case argv._.length != 2:
      console.log(helpText);
      return;
  }

  const [inputDirectory, outputDirectory] = argv._;

  if (await checkDirs({ inputDirectory, outputDirectory })) return;

  console.log(`PROCESSING: ${inputDirectory} ${outputDirectory}`);
  const config = await configMerge(inputDirectory, outputDirectory);
  // console.log(config);
}

module.exports = { main, checkDir, checkDirs, helpText };

main(!!module.parent, process.argv).catch(err => {
  console.error(err.message);
  process.exit(1);
});