eslint-plugin-no-copy-paste-default-export/src/rules/default.js

no more copy-pasted classes with wrong display name

import path from 'path';
const classNameMatch = /export[\s]+default[\s]+class[\s]+([\S]+)/i;

module.exports = function(context) {
  return {
    'ExportDefaultDeclaration': node => {
      const filename = path.parse(context.getFilename()).name;
      const match = classNameMatch.exec(context.getSource(node));

      if (match && match[1] !== filename) {
        context.report(node, `(class name) ${match[1]} !== ${filename} (file name)`);
      }
    }
  };
};

module.exports.meta = {
  config: 2
};