@phren/cli/dist/bridge/locate.js

Knowledge layer for AI agents - CLI, MCP server, and data layer

import { realpathSync } from "node:fs";
import { readFile, stat } from "node:fs/promises";
import { homedir } from "node:os";
import path from "node:path";
import { BridgeError } from "./protocol.js";
import { herdrRoot } from "./herdr.js";
import { phrenStoreRoot } from "./transcripts.js";
const PROJECT_NAME = /^[a-z0-9][a-z0-9-]*$/;
const SEARCH_ROOTS = ["", "Sites", "Projects", "projects", "Code", "code", "dev", "src", "repos", "workspace"];
export async function locateProject(project, activity, env = process.env) {
    if (!PROJECT_NAME.test(project) || project.length > 100)
        throw new BridgeError(400, "Invalid project name.");
    const found = [];
    const seen = new Set();
    const offer = async (directory, source, lastSeen) => {
        let dir = path.resolve(directory);
        try {
            if (!(await stat(dir)).isDirectory())
                return;
            // On a case-insensitive disk ~/projects and ~/Projects are one folder;
            // the real path (native, so it carries the on-disk case) dedupes them.
            dir = realpathSync.native(dir);
        }
        catch {
            return; /* not on this computer */
        }
        if (seen.has(dir))
            return;
        seen.add(dir);
        found.push({ directory: dir, source, ...(lastSeen ? { lastSeen } : {}) });
    };
    // Paths from journals and Herdr use whichever separator the computer
    // does; split on both so Windows folders are trimmed like POSIX ones.
    const segments = (directory) => directory.split(/[\\/]/);
    const namesProject = (directory) => segments(directory).includes(project);
    const trimmed = (directory) => {
        const parts = segments(directory);
        return parts.slice(0, parts.lastIndexOf(project) + 1).join(path.sep);
    };
    // 1. Folders an agent session ran in, newest first — the strongest signal
    // that this is the folder the person means.
    for (const event of [...activity].reverse()) {
        const directory = typeof event.directory === "string" ? event.directory : undefined;
        if (directory && path.isAbsolute(directory) && namesProject(directory)) {
            // Trim to the project segment so a session started in a subfolder
            // still opens the project itself.
            await offer(trimmed(directory), "activity", typeof event.at === "string" ? event.at : undefined);
        }
    }
    // 2. Workspaces Herdr has saved.
    try {
        const session = JSON.parse(await readFile(path.join(herdrRoot(), "session.json"), "utf8"));
        for (const match of JSON.stringify(session).matchAll(/"cwd":\s*"((?:\\.|[^"\\])*)"/g)) {
            const directory = JSON.parse(`"${match[1]}"`);
            if (path.isAbsolute(directory) && namesProject(directory)) {
                await offer(trimmed(directory), "herdr");
            }
        }
    }
    catch { /* no saved session */ }
    // 3. phren's own registration, when it points at this machine.
    try {
        const config = await readFile(path.join(phrenStoreRoot(env), project, "phren.project.yaml"), "utf8");
        const match = /^sourcePath:\s*(.+)$/m.exec(config);
        if (match)
            await offer(match[1].trim().replace(/^['"]|['"]$/g, ""), "phren");
    }
    catch { /* unregistered */ }
    // 4. The roots phren's locator searches.
    const home = homedir();
    for (const root of [...(env.PROJECTS_DIR ? [env.PROJECTS_DIR] : []), ...SEARCH_ROOTS.map(r => path.join(home, r))]) {
        await offer(path.join(root, project), "search");
    }
    return found.slice(0, 8);
}