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 findRootDirAndLockFiles(cwd) {
    const lockFile = findRootLockFile(cwd);
    if (!lockFile) return {
        lockFiles: [],
        rootDir: cwd
    };
    const lockFiles = [
        lockFile
    ];
    while(true){
        const lastLockFile = lockFiles[lockFiles.length - 1];
        const currentDir = dirname(lastLockFile);
        const parentDir = dirname(currentDir);
        // dirname('/')==='/' so if we happen to reach the FS root (as might happen in a container we need to quit to avoid looping forever
        if (parentDir === currentDir) break;
        const newLockFile = findRootLockFile(parentDir);
        if (!newLockFile) break;
        lockFiles.push(newLockFile);
    }
    return {
        lockFiles,
        rootDir: dirname(lockFiles[lockFiles.length - 1])
    };
}
export function warnDuplicatedLockFiles(lockFiles) {
    if (lockFiles.length > 1) {
        const additionalLockFiles = lockFiles.slice(0, -1).map((str)=>`\n   * ${str}`).join('');
        if (process.env.TURBOPACK) {
            Log.warnOnce(`Warning: Next.js inferred your workspace root, but it may not be correct.\n` + ` We detected multiple lockfiles and selected the directory of ${lockFiles[lockFiles.length - 1]} as the root directory.\n` + ` To silence this warning, set \`turbopack.root\` in your Next.js config, or consider ` + `removing one of the lockfiles if it's not needed.\n` + `   See https://nextjs.org/docs/app/api-reference/config/next-config-js/turbopack#root-directory for more information.\n` + ` Detected additional lockfiles: ${additionalLockFiles}\n`);
        } else {
            Log.warnOnce(`Warning: Next.js inferred your workspace root, but it may not be correct.\n` + ` We detected multiple lockfiles and selected the directory of ${lockFiles[lockFiles.length - 1]} as the root directory.\n` + ` To silence this warning, set \`outputFileTracingRoot\` in your Next.js config, or consider ` + `removing one of the lockfiles if it's not needed.\n` + `   See https://nextjs.org/docs/app/api-reference/config/next-config-js/output#caveats for more information.\n` + ` Detected additional lockfiles: ${additionalLockFiles}\n`);
        }
    }
}

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