import fs from "node:fs";
import path from "node:path";
import os from "node:os";
let cachedProjectRoot: string | null = null;
const desktopMarkers = [".expanse.json", "expanse.json", "project.json", "scene.json", "app.json", "Config.json"]; // best-effort markers
export function isLikelyDesktopProject(dir: string): boolean {
for (const marker of desktopMarkers) {
const candidate = path.join(dir, marker);
try {
if (fs.existsSync(candidate)) return true;
} catch {}
}
try {
const spaces = path.join(dir, "spaces");
if (fs.existsSync(spaces) && fs.statSync(spaces).isDirectory()) return true;
} catch {}
try {
const configDir = path.join(dir, "config");
if (fs.existsSync(configDir) && fs.statSync(configDir).isDirectory()) return true;
} catch {}
return false;
}
function discoverDesktopProject(base: string): string | null {
try {
const entries = fs.readdirSync(base, { withFileTypes: true });
for (const entry of entries) {
if (!entry.isDirectory()) continue;
const projectDir = path.join(base, entry.name);
if (isLikelyDesktopProject(projectDir)) return projectDir;
}
} catch {}
return null;
}
export function getProjectRoot(): string {
if (process.env.PROJECT_ROOT) {
cachedProjectRoot = process.env.PROJECT_ROOT;
return process.env.PROJECT_ROOT;
}
if (cachedProjectRoot) return cachedProjectRoot;
const candidates: string[] = [];
if (process.env.EIGHTHWALL_DESKTOP_ROOT) {
candidates.push(process.env.EIGHTHWALL_DESKTOP_ROOT);
}
const home = os.homedir();
candidates.push(path.join(home, "Documents", "8th-Wall"));
candidates.push(path.join(home, "Documents", "8th Wall"));
for (const base of candidates) {
const detected = discoverDesktopProject(base);
if (detected) {
process.env.PROJECT_ROOT = detected;
cachedProjectRoot = detected;
return detected;
}
}
const fallback = path.resolve(process.cwd(), "project");
cachedProjectRoot = fallback;
return fallback;
}
export function resetCachedProjectRoot(root?: string) {
cachedProjectRoot = root ?? null;
if (root) {
process.env.PROJECT_ROOT = root;
}
}
