@sema-agent/core/dist/core/memory-engine/entry-scan.js

Stateless, task-oriented AI agent core

import { lstatSync, readdirSync } from "node:fs";
import { join, relative } from "node:path";
export const MEMORY_INDEX_FILENAME = "MEMORY.md";
export const DEFAULT_MAX_ENTRY_DEPTH = 3;
export function scanEntryFiles(dir, opts = {}) {
    const maxDepth = opts.maxDepth ?? DEFAULT_MAX_ENTRY_DEPTH;
    const out = [];
    const walk = (d, depth) => {
        let names;
        try {
            names = readdirSync(d);
        }
        catch {
            if (d !== dir)
                opts.onSkip?.(d, "unreadable");
            return;
        }
        for (const name of names.sort()) {
            if (name.startsWith(".") || name === MEMORY_INDEX_FILENAME) {
                if (name.startsWith("."))
                    opts.onSkip?.(join(d, name), "dotfile");
                continue;
            }
            const p = join(d, name);
            let st;
            try {
                st = lstatSync(p);
            }
            catch {
                opts.onSkip?.(p, "unreadable");
                continue;
            }
            if (st.isSymbolicLink()) {
                opts.onSkip?.(p, "symlink");
                continue;
            }
            if (st.isDirectory()) {
                if (depth + 1 <= maxDepth)
                    walk(p, depth + 1);
                else
                    opts.onSkip?.(p, "depth");
                continue;
            }
            if (!st.isFile())
                continue;
            if (!name.endsWith(".md")) {
                opts.onSkip?.(p, "nonmd");
                continue;
            }
            out.push({ path: p, slug: relative(dir, p).replace(/\.md$/, "") });
        }
    };
    walk(dir, 0);
    return out;
}