@defikitdotnet/education-module-ai/lib/middleware/errorHandler.js

AI Education Module using Agent Framework

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.ApiError = void 0;
exports.errorHandler = errorHandler;
/**
 * Custom error class for API errors
 */
var ApiError = /** @class */ (function (_super) {
    __extends(ApiError, _super);
    function ApiError(message, statusCode) {
        if (statusCode === void 0) { statusCode = 500; }
        var _this = _super.call(this, message) || this;
        _this.statusCode = statusCode;
        _this.name = "ApiError";
        return _this;
    }
    return ApiError;
}(Error));
exports.ApiError = ApiError;
/**
 * Centralized error handling middleware
 */
function errorHandler(err, req, res, next) {
    console.error("Error:", err);
    // Handle custom API errors
    if (err instanceof ApiError) {
        res.status(err.statusCode).json({
            error: err.message,
        });
        return;
    }
    // Handle JWT errors
    if (err.name === "JsonWebTokenError" || err.name === "TokenExpiredError") {
        res.status(401).json({
            error: "Invalid or expired token",
        });
        return;
    }
    // Handle validation errors
    if (err.name === "ValidationError") {
        res.status(400).json({
            error: err.message,
        });
        return;
    }
    // Handle other errors
    res.status(500).json({
        error: "Internal Server Error",
    });
}