import path from "node:path" ;
import { fileURLToPath } from "node:url" ;
import { openClawRootFs, openClawRootFsSync } from "./openclaw-root.fs.runtime.js" ;
const CORE_PACKAGE_NAMES = new Set(["openclaw" ]);
function parsePackageName(raw: string): string | null {
const parsed = JSON.parse(raw) as { name?: unknown };
return typeof parsed.name === "string" ? parsed.name : null ;
}
async function readPackageName(dir: string): Promise<string | null > {
try {
return parsePackageName(await openClawRootFs.readFile(path.join(dir, "package.json" ), "utf-8" ));
} catch {
return null ;
}
}
function readPackageNameSync(dir: string): string | null {
try {
return parsePackageName(
openClawRootFsSync.readFileSync(path.join(dir, "package.json" ), "utf-8" ),
);
} catch {
return null ;
}
}
async function findPackageRoot(startDir: string, maxDepth = 12 ): Promise<string | null > {
for (const current of iterAncestorDirs(startDir, maxDepth)) {
const name = await readPackageName(current);
if (name && CORE_PACKAGE_NAMES.has(name)) {
return current;
}
}
return null ;
}
function findPackageRootSync(startDir: string, maxDepth = 12 ): string | null {
for (const current of iterAncestorDirs(startDir, maxDepth)) {
const name = readPackageNameSync(current);
if (name && CORE_PACKAGE_NAMES.has(name)) {
return current;
}
}
return null ;
}
function * iterAncestorDirs(startDir: string, maxDepth: number): Generator<string> {
let current = path.resolve(startDir);
for (let i = 0 ; i < maxDepth; i += 1 ) {
yield current;
const parent = path.dirname(current);
if (parent === current) {
break ;
}
current = parent;
}
}
function candidateDirsFromArgv1(argv1: string): string[] {
const normalized = path.resolve(argv1);
const candidates = [path.dirname(normalized)];
// Resolve symlinks for version managers (nvm, fnm, n, Homebrew/Linuxbrew)
// that create symlinks in bin/ pointing to the real package location.
try {
const resolved = openClawRootFsSync.realpathSync(normalized);
if (resolved !== normalized) {
candidates.push(path.dirname(resolved));
}
} catch {
// realpathSync throws if path doesn't exist; keep original candidates
}
const parts = normalized.split(path.sep);
const binIndex = parts.lastIndexOf(".bin" );
if (binIndex > 0 && parts[binIndex - 1 ] === "node_modules" ) {
const binName = path.basename(normalized);
const nodeModulesDir = parts.slice(0 , binIndex).join(path.sep);
candidates.push(path.join(nodeModulesDir, binName));
}
return candidates;
}
export async function resolveOpenClawPackageRoot(opts: {
cwd?: string;
argv1?: string;
moduleUrl?: string;
}): Promise<string | null > {
for (const candidate of buildCandidates(opts)) {
const found = await findPackageRoot(candidate);
if (found) {
return found;
}
}
return null ;
}
export function resolveOpenClawPackageRootSync(opts: {
cwd?: string;
argv1?: string;
moduleUrl?: string;
}): string | null {
for (const candidate of buildCandidates(opts)) {
const found = findPackageRootSync(candidate);
if (found) {
return found;
}
}
return null ;
}
function buildCandidates(opts: { cwd?: string; argv1?: string; moduleUrl?: string }): string[] {
const candidates: string[] = [];
if (opts.moduleUrl) {
try {
candidates.push(path.dirname(fileURLToPath(opts.moduleUrl)));
} catch {
// Ignore invalid file:// URLs and keep other package-root hints.
}
}
if (opts.argv1) {
candidates.push(...candidateDirsFromArgv1(opts.argv1));
}
if (opts.cwd) {
candidates.push(opts.cwd);
}
return candidates;
}
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