lint-staged.config.mjs

import { ESLint } from 'eslint'

const removeIgnoredFiles = async (files) => {
	const eslint = new ESLint()
	const ignoredFiles = await Promise.all(
		files.map((file) => eslint.isPathIgnored(file)),
	)
	const filteredFiles = files.filter((_, i) => !ignoredFiles[i])
	return filteredFiles.join(' ')
}

const lintStagedConfig = {
	'**/*.{js,jsx,ts,tsx}': async (files) => {
		const filesToLint = await removeIgnoredFiles(files)
		return [`eslint --max-warnings=0 ${filesToLint}`]
	},
	'*': 'prettier --write --ignore-unknown',
}

export default lintStagedConfig