import { promises as fs } from 'fs';
import { bold, green } from '../picocolors';
import os from 'os';
import path from 'path';
import * as CommentJson from 'next/dist/compiled/comment-json';
import * as Log from '../../build/output/log';
export async function writeDefaultConfig(baseDir, { exists, emptyEslintrc, emptyPkgJsonConfig }, selectedConfig, eslintrcFile, pkgJsonPath, packageJsonConfig) {
    if (!exists && emptyEslintrc && eslintrcFile) {
        const ext = path.extname(eslintrcFile);
        let newFileContent;
        if (ext === '.yaml' || ext === '.yml') {
            newFileContent = "extends: 'next'";
        } else {
            newFileContent = CommentJson.stringify(selectedConfig, null, 2);
            if (ext === '.js') {
                newFileContent = 'module.exports = ' + newFileContent;
            }
        }
        await fs.writeFile(eslintrcFile, newFileContent + os.EOL);
        Log.info(`We detected an empty ESLint configuration file (${bold(path.basename(eslintrcFile))}) and updated it for you!`);
    } else if (!exists && emptyPkgJsonConfig && packageJsonConfig) {
        packageJsonConfig.eslintConfig = selectedConfig;
        if (pkgJsonPath) await fs.writeFile(pkgJsonPath, CommentJson.stringify(packageJsonConfig, null, 2) + os.EOL);
        Log.info(`We detected an empty ${bold('eslintConfig')} field in package.json and updated it for you!`);
    } else if (!exists) {
        await fs.writeFile(path.join(baseDir, '.eslintrc.json'), CommentJson.stringify(selectedConfig, null, 2) + os.EOL);
        console.log(green(`We created the ${bold('.eslintrc.json')} file for you and included your selected configuration.`));
    }
}

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