.lintstagedrc.js

const path = require('path');

const getLintFlags = (absolutePaths) => {
    const cwd = process.cwd();
    const relativePaths = absolutePaths.map((file) => path.relative(cwd, file));
    /**
     *
     * Some file paths are too long and cannot be added as parameter to eslint
     * https://serverfault.com/questions/9546/filename-length-limits-on-linux/9548#9548
     *
     * */
    const filePathLengthLimit = relativePaths.find((path) => path.length > 250);

    /**
     *
     * There is a case, when the command is too long and eslint cannot execute it.
     *
     * */
    const isTooManyFilesToLint = relativePaths.length > 20;

    return {
        relativePaths,
        filePathLengthLimit,
        isTooManyFilesToLint,
    };
};

module.exports = {
    '**/*.{js,jsx,ts,tsx}': (absolutePaths) => {
        const { relativePaths } = getLintFlags(absolutePaths);

        return `eslint ${relativePaths.join(' ')}`;
    },
    '**/*.css': (absolutePaths) => {
        const { relativePaths } = getLintFlags(absolutePaths);

        return `stylelint  --config .stylelintrc ${relativePaths.join(' ')}`;
    },
};