@juspay/neurolink/dist/proxy/updateChecker.js

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/**
 * Proxy auto-update version checker.
 *
 * Queries the npm registry for the latest published version of
 * `@juspay/neurolink` and compares it against the currently running version.
 * Designed to be non-blocking and failure-tolerant — any error (network,
 * timeout, parse) silently returns `updateAvailable: false`.
 */
import { execFile as execFileCb } from "node:child_process";
import { promisify } from "node:util";
import { logger } from "../utils/logger.js";
const execFile = promisify(execFileCb);
/** Timeout (ms) for the `npm view` child process. */
const NPM_VIEW_TIMEOUT_MS = 10_000;
/**
 * Parse a version string of the form `major.minor.patch` into numeric
 * components. Returns `null` when the string does not match.
 */
function parseSemVer(version) {
    const match = /^(\d+)\.(\d+)\.(\d+)$/.exec(version.trim());
    if (!match) {
        return null;
    }
    return {
        major: Number(match[1]),
        minor: Number(match[2]),
        patch: Number(match[3]),
    };
}
/**
 * Returns `true` when `latest` is strictly greater than `current`.
 *
 * Both arguments must be valid semver strings; returns `false` on any
 * parse failure so the caller never sees a spurious "update available".
 */
function isNewerVersion(current, latest) {
    const cur = parseSemVer(current);
    const lat = parseSemVer(latest);
    if (!cur || !lat) {
        return false;
    }
    if (lat.major !== cur.major) {
        return lat.major > cur.major;
    }
    if (lat.minor !== cur.minor) {
        return lat.minor > cur.minor;
    }
    return lat.patch > cur.patch;
}
// ---------------------------------------------------------------------------
// Core check
// ---------------------------------------------------------------------------
/**
 * Query npm for the latest version of `@juspay/neurolink` and compare it
 * against {@link currentVersion}.
 *
 * On **any** failure the function resolves (never rejects) with
 * `{ updateAvailable: false, latestVersion: currentVersion }`.
 */
export async function checkForUpdate(currentVersion) {
    const fail = {
        currentVersion,
        latestVersion: currentVersion,
        updateAvailable: false,
    };
    try {
        logger.debug("[UpdateChecker] Checking for updates", { currentVersion });
        const { stdout } = await execFile("npm", ["view", "@juspay/neurolink", "version", "--json"], { timeout: NPM_VIEW_TIMEOUT_MS });
        // `npm view ... --json` wraps the value in double-quotes, e.g. `"9.32.0"`
        const parsed = JSON.parse(stdout);
        if (typeof parsed !== "string") {
            logger.warn("[UpdateChecker] Unexpected npm output type", {
                type: typeof parsed,
            });
            return fail;
        }
        const latestVersion = parsed.trim();
        if (!parseSemVer(latestVersion)) {
            logger.warn("[UpdateChecker] Failed to parse latest version", {
                latestVersion,
            });
            return fail;
        }
        const updateAvailable = isNewerVersion(currentVersion, latestVersion);
        logger.debug("[UpdateChecker] Version check complete", {
            currentVersion,
            latestVersion,
            updateAvailable,
        });
        return { currentVersion, latestVersion, updateAvailable };
    }
    catch (error) {
        const message = error instanceof Error ? error.message : String(error);
        logger.warn("[UpdateChecker] Update check failed", { error: message });
        return fail;
    }
}