checkCircularDeps.js

#!/usr/bin/env node

const madge = require('madge');
const pc = require('picocolors');
const dedent = require('dedent');

const dirPath = process.env.PWD;

const checkCircularDeps = async () => {
  const indexPath = `${dirPath}/dist/index.js`;
  console.log('Checking for any circular dependencies..');

  const res = await madge(indexPath);
  const circular = res.circular();
  if (circular.length > 0) {
    const errorPaths = circular.map((arr) => arr.join(' -> '));
    console.log(
      pc.red(dedent`\n\nERROR: Circular dependencies found! 
                            Usually this means you're importing directly from the index file.\n
                            Please fix the import path(s) in these files:\n
                            `)
    );
    errorPaths.forEach((val, idx) =>
      console.log(pc.red(pc.bold(`${idx + 1}. ${val}\n`)))
    );
    process.exit(1);
  }
};

const standAlone = async () => {
  await checkCircularDeps();
  process.exit(0);
};

if (require.main === module) {
  standAlone();
}

module.exports = checkCircularDeps;