next/dist/esm/lib/find-root.js

The React Framework

import { dirname } from 'path';
import findUp from 'next/dist/compiled/find-up';
import * as Log from '../build/output/log';
export function findRootLockFile(cwd) {
    return findUp.sync([
        'pnpm-lock.yaml',
        'package-lock.json',
        'yarn.lock',
        'bun.lock',
        'bun.lockb'
    ], {
        cwd
    });
}
export function findRootDir(cwd) {
    const lockFile = findRootLockFile(cwd);
    if (!lockFile) return undefined;
    const lockFiles = [
        lockFile
    ];
    while(true){
        const nextDir = dirname(dirname(lockFiles[lockFiles.length - 1]));
        const newLockFile = findRootLockFile(nextDir);
        if (newLockFile) {
            lockFiles.push(newLockFile);
        } else {
            break;
        }
    }
    // Only warn if not in a build worker to avoid duplicate warnings
    if (typeof process.send !== 'function' && lockFiles.length > 1) {
        Log.warnOnce(`Warning: Found multiple lockfiles. Selecting ${lockFiles[lockFiles.length - 1]}.\n   Consider removing the lockfiles at:${lockFiles.slice(0, -1).map((str)=>'\n   * ' + str).join('')}\n`);
    }
    return dirname(lockFile);
}

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