fes.js/packages/fes/src/utils/getCwd.js

import { join, isAbsolute } from 'path';

export default () => {
    const cwd = process.cwd();
    if (process.env.APP_ROOT) {
    // avoid repeat cwd path
        if (!isAbsolute(process.env.APP_ROOT)) {
            return join(cwd, process.env.APP_ROOT);
        }
        return process.env.APP_ROOT;
    }
    return cwd;
};