aiwg/dist/src/cli/project-isolation/detect.js

Deployment tool and support utility for AI context. Copies agents, skills, commands, rules, and behaviors into the paths each AI platform reads (Claude Code, Codex, Copilot, Cursor, Warp, OpenClaw, and 6 more) so one source of truth works across 10 platfo

// Stat-only signal-walk used by warning.ts to decide whether the cwd looks
// like a project. Stat-only is required so detection stays under 50ms even
// in deep directories (NFR-PERF-01). Walk depth is bounded by
// MAX_PARENT_DEPTH (NFR-PERF-02).
import { existsSync, readdirSync, statSync } from 'node:fs';
import { join, parse } from 'node:path';
import { PROJECT_SIGNALS, CSPROJ_PATTERN, MAX_PARENT_DEPTH } from './signals.js';
// Walk `start` and up to MAX_PARENT_DEPTH parents looking for any entry in
// PROJECT_SIGNALS, or any file matching CSPROJ_PATTERN. Returns on first
// hit so a project root in cwd short-circuits the walk.
export function detectProjectSignal(start) {
    let dir = start;
    for (let depth = 0; depth <= MAX_PARENT_DEPTH; depth++) {
        for (const signal of PROJECT_SIGNALS) {
            if (existsSync(join(dir, signal))) {
                return { found: true, signal, foundAt: dir };
            }
        }
        if (hasCsprojFile(dir)) {
            return { found: true, signal: '*.csproj', foundAt: dir };
        }
        const parent = parse(dir).dir;
        if (parent === dir)
            break;
        dir = parent;
    }
    return { found: false, signal: null, foundAt: null };
}
// True when `dir` directly contains at least one *.csproj file.
function hasCsprojFile(dir) {
    try {
        const entries = readdirSync(dir);
        for (const entry of entries) {
            if (CSPROJ_PATTERN.test(entry)) {
                const full = join(dir, entry);
                try {
                    if (statSync(full).isFile())
                        return true;
                }
                catch {
                    // Ignore stat failures for individual entries — keep walking.
                }
            }
        }
    }
    catch {
        // Unreadable dir is treated as "no signal here." Walk continues.
    }
    return false;
}
// True when `cwd` is one of the directories where we should prompt the
// user. $HOME, /, and /tmp are the canonical surprise-deploy locations.
// The check tolerates trailing separators on Windows.
export function isUnsuitableCwd(cwd, home) {
    const normalized = stripTrailingSep(cwd);
    if (normalized === stripTrailingSep(home))
        return true;
    if (normalized === '/')
        return true;
    if (normalized === '/tmp')
        return true;
    return false;
}
function stripTrailingSep(p) {
    if (p.length > 1 && (p.endsWith('/') || p.endsWith('\\'))) {
        return p.slice(0, -1);
    }
    return p;
}
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