@sema-agent/core/dist/core/arg-summary.js

Stateless, task-oriented AI agent core

import { writtenAssignmentPrefix } from "../tools/fs/bash-program-position.js";
import { isSensitiveRecordKey } from "./credential-vocabulary.js";
import { egressText } from "./untrusted-egress.js";
const ACTIVITY_ARG_MAX = 80;
function truncCodePoints(s) {
    const cp = Array.from(s);
    return cp.length > ACTIVITY_ARG_MAX ? cp.slice(0, ACTIVITY_ARG_MAX).join("") + "…" : s;
}
const basename = (p) => p.split(/[/\\]/).filter((x) => x.length > 0).pop() ?? p;
export function primaryActivityArg(args) {
    if (!args || typeof args !== "object")
        return undefined;
    const a = args;
    const str = (k) => typeof a[k] === "string" && a[k].length > 0 ? a[k] : undefined;
    let val;
    const command = str("command");
    const path = str("file_path") ?? str("filePath") ?? str("path") ?? str("notebook_path");
    const url = str("url");
    if (command !== undefined) {
        const tokens = command.trim().split(/\s+/);
        let i = 0;
        while (i < tokens.length && writtenAssignmentPrefix(tokens[i]) !== undefined) {
            if (/["'\\]/.test(tokens[i]))
                return undefined;
            i++;
        }
        if (i >= tokens.length)
            return undefined;
        const name = basename(tokens[i]);
        val = tokens.length > i + 1 ? `${name} …` : name;
    }
    else if (path !== undefined) {
        val = basename(path);
    }
    else if (url !== undefined) {
        const parsed = (() => { try {
            return new URL(url);
        }
        catch {
            return undefined;
        } })();
        if (parsed !== undefined && parsed.host !== "") {
            val = `${parsed.origin}${parsed.pathname}`;
        }
        else {
            const head = url.split(/[?#]/, 1)[0] ?? url;
            const sep = head.indexOf("://");
            const scheme = sep > 0 && /^[a-z][a-z0-9+.-]*$/i.test(head.slice(0, sep)) ? head.slice(0, sep + 3) : "";
            const rest = head.slice(scheme.length);
            const at = rest.lastIndexOf("@");
            val = scheme + (at === -1 ? rest : rest.slice(at + 1));
        }
    }
    else {
        val = str("pattern") ?? str("query") ?? str("description");
        if (val === undefined) {
            for (const k of Object.keys(a)) {
                if (isSensitiveRecordKey(k))
                    continue;
                const v = a[k];
                if (typeof v === "string" && v.length > 0) {
                    val = v;
                    break;
                }
            }
        }
    }
    if (val === undefined)
        return undefined;
    return truncCodePoints(egressText("same-principal", val));
}