Function generateConfigFile

src/init.ts:196–233

(
  options: Options,
  filename: string,
  contents: string,
)

export const ESLINT_IGNORE = "module.exports = ['build/']\n";

async function generateConfigFile(
  options: Options,
  filename: string,
  contents: string,
) {
  let existing;
  try {
    existing = await read(filename, 'utf8');
  } catch (e) {
    const err = e as Error & {code?: string};
    if (err.code === 'ENOENT') {
      /* not found, create it. */
    } else {
      throw new Error(`Unknown error reading ${filename}: ${err.message}`);
    }
  }

  let writeFile = true;
  if (existing && existing === contents) {
    options.logger.log(`No edits needed in ${filename}`);
    return;
  } else if (existing) {
    writeFile = await query(
      `${chalk.bold(filename)} already exists`,
      'Overwrite',
      false,
      options,
    );
  }

  if (writeFile) {
    options.logger.log(`Writing ${filename}...`);
    if (!options.dryRun) {
      await writeFileAtomic(filename, contents);
    }
    options.logger.log(contents);
  }
}

async function generateESLintConfig(options: Options): Promise<void> {
  return generateConfigFile(options, './eslint.config.js', ESLINT_CONFIG);