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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 type { ConfigAvailable } from './hasEslintConfiguration'
import * as Log from '../../build/output/log'
export async function writeDefaultConfig(
baseDir: string,
{ exists, emptyEslintrc, emptyPkgJsonConfig }: ConfigAvailable,
selectedConfig: any,
eslintrcFile: string | null,
pkgJsonPath: string | null,
packageJsonConfig: { eslintConfig: any } | null
) {
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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