eslint-output-tsv.js

const { ESLint, Linter } = require('eslint');
const path = require('path');

const eslint = new ESLint();
const fixable = new Map();
new Linter().getRules().forEach((val, key) => {
  if (val.meta.fixable) {
    fixable.set(key, true);
  }
});
(async function main() {
  const results = await eslint.lintFiles(['.']);

  results.forEach((r) => {
    const filepath = path.relative(process.cwd(), r.filePath);
    r.messages.forEach((message) => {
      console.log(
        [
          filepath,
          message.line,
          message.column,
          message.endLine,
          message.endColumn,
          message.ruleId,
          message.message,
          fixable.get(message.ruleId) ? 'true' : 'false',
        ].join('\t')
      );
    });
  });
})().catch((error) => {
  process.exitCode = 1;
  console.error(error);
});